Задачи:
— Разработка и поддержка серверных приложений и RESTful API на Kotlin (Ktor или Spring Boot).
— Проектирование микросервисной архитектуры с паттернами межсервисного взаимодействия.
— Проектирование и оптимизация схем баз данных PostgreSQL/MongoDB, реализация кэширования (Redis).
— Интеграция брокеров сообщений (Kafka, RabbitMQ) для асинхронной и событийно-ориентированной обработки.
— Реализация аутентификации и авторизации (JWT, OAuth2), написание чистого и документированного кода.
— Контейнеризация приложений с Docker, оркестрация с Kubernetes, настройка CI/CD.
— Написание unit и интеграционных тестов (JUnit, MockK), оптимизация производительности.
— Взаимодействие с мобильными и фронтенд-командами по API контрактам, участие в код-ревью.
Требования:
— Опыт коммерческой backend-разработки на Kotlin от 3 лет.
— Глубокие знания Kotlin и практический опыт с Ktor или Spring Boot.
— Понимание REST API и опыт работы с PostgreSQL/MySQL и ORM.
— Практический опыт с Coroutines, Flow, брокерами сообщений (Kafka, RabbitMQ, Redis).
— Знание микросервисов, стратегий кэширования, контейнеризации (Docker, Kubernetes).
— Опыт работы с Git, CI/CD инструментами, тестовыми фреймворками (JUnit, MockK, Kotest).
— Базовые знания облачных платформ (AWS, GCP, Azure) и лучших практик безопасности.
— Сильные навыки решения проблем и умение работать в распределенной команде.
— Английский язык на уровне B2 и выше (письменно и устно).
Будет плюсом:
— Опыт с GraphQL, gRPC, event sourcing/CQRS.
— Знания Elasticsearch, serverless, распределенного трейсинга.
— Опыт с другими JVM-языками (Java, Scala), потоковой обработкой данных (Kafka Streams, Flink).
— Знакомство с поисковыми системами, MLOps, блокчейн-бэкендом.
— Вклад в open-source проекты на Kotlin или backend.
Условия:
— Удаленная работа, полный рабочий день, аутсорс/аутстафф.
— Географические ограничения: кандидаты из Египта, Индии, Пакистана и Афганистана не рассматриваются.
Location: Indonesia; Remote - Europe; Remote, Worldwide
Workplace: remote
Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train the world’s most advanced AI systems. We’re building smarter, more human AI with a diverse community in 100+ countries.
At Welo Data, Limitless AI. Limitless You. isn’t just a slogan—it’s our promise. We build smarter AI through the power of human contribution, offering limitless opportunities for our global community to grow, contribute, and work on their terms.
Are you detail-oriented and curious about tech?
Welo Data is building a global network of linguists, language enthusiasts, and culturally aware contributors to shape safer, smarter AI.
By joining our talent community, you’ll be first in line for flexible, remote projects in annotation, evaluation, and prompt creation—always on your terms.
Note: This is not an active job opening. By applying, you’ll join our global contributor network. When a project aligns with your skills and availability, we’ll reach out with all the details, including scope, timeline, and compensation.
What You’ll Need
- Native or near-native fluency in Tajik
- Based in: Worldwide, Remote
- English proficiency
- Comfortable with digital tools
- Detail-oriented and curious
Why Join Us?
🚀 Limitless You – Work when and where you want, with room to grow
🤖 Limitless AI – Contribute to smarter, more inclusive AI
🌎 Be Part of Us – Join a global, supportive community
About our projects:
Welo Data projects vary by scope and complexity, but all play a role in building more accurate, inclusive, and human-centered AI.
Depending on your skills, you might:
📝 Annotate or label text, images, or audio to train AI systems
🔍 Evaluate search results, ads, or chatbot responses for quality and relevance
💬 Create and test prompts to improve large language models (LLMs)
🌍 Ensure content reflects cultural, linguistic, or industry-specific accuracy
Some projects last a few days; others may extend over several weeks. Before each one, you’ll receive clear details on tasks, timelines, and compensation, so you can decide what works best for you.
How to Apply?
Click the “Apply” button on our website to fill out a short form and join our talent database. It only takes a few minutes to get started and become part of our growing community.
📬 Questions?
If you have any questions about the process, feel free to contact us at TalentRequests@welocalize.com.
Location: United States; Remote - Europe; Remote, Worldwide
Workplace: remote
Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train the world’s most advanced AI systems. We’re building smarter, more human AI with a diverse community in 100+ countries.
At Welo Data, Limitless AI. Limitless You. isn’t just a slogan—it’s our promise. We build smarter AI through the power of human contribution, offering limitless opportunities for our global community to grow, contribute, and work on their terms.
Are you detail-oriented and curious about tech?
Welo Data is building a global network of linguists, language enthusiasts, and culturally aware contributors to shape safer, smarter AI.
By joining our talent community, you’ll be first in line for flexible, remote projects in annotation, evaluation, and prompt creation—always on your terms.
Note: This is not an active job opening. By applying, you’ll join our global contributor network. When a project aligns with your skills and availability, we’ll reach out with all the details, including scope, timeline, and compensation.
What You’ll Need
- Native or near-native fluency in Somali
- Based in: Worldwide, Remote
- English proficiency
- Comfortable with digital tools
- Detail-oriented and curious
Why Join Us?
🚀 Limitless You – Work when and where you want, with room to grow
🤖 Limitless AI – Contribute to smarter, more inclusive AI
🌎 Be Part of Us – Join a global, supportive community
About our projects:
Welo Data projects vary by scope and complexity, but all play a role in building more accurate, inclusive, and human-centered AI.
Depending on your skills, you might:
📝 Annotate or label text, images, or audio to train AI systems
🔍 Evaluate search results, ads, or chatbot responses for quality and relevance
💬 Create and test prompts to improve large language models (LLMs)
🌍 Ensure content reflects cultural, linguistic, or industry-specific accuracy
Some projects last a few days; others may extend over several weeks. Before each one, you’ll receive clear details on tasks, timelines, and compensation, so you can decide what works best for you.
How to Apply?
Click the “Apply” button on our website to fill out a short form and join our talent database. It only takes a few minutes to get started and become part of our growing community.
📬 Questions?
If you have any questions about the process, feel free to contact us at TalentRequests@welocalize.com.
Location: Philippines; Remote - Europe; Remote, Worldwide
Workplace: remote
Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train the world’s most advanced AI systems. We’re building smarter, more human AI with a diverse community in 100+ countries.
At Welo Data, Limitless AI. Limitless You. isn’t just a slogan—it’s our promise. We build smarter AI through the power of human contribution, offering limitless opportunities for our global community to grow, contribute, and work on their terms.
Are you detail-oriented and curious about tech?
Welo Data is building a global network of linguists, language enthusiasts, and culturally aware contributors to shape safer, smarter AI.
By joining our talent community, you’ll be first in line for flexible, remote projects in annotation, evaluation, and prompt creation—always on your terms.
Note: This is not an active job opening. By applying, you’ll join our global contributor network. When a project aligns with your skills and availability, we’ll reach out with all the details, including scope, timeline, and compensation.
What You’ll Need
- Native or near-native fluency in Tagalog
- Based in: Philippines
- English proficiency
- Comfortable with digital tools
- Detail-oriented and curious
Why Join Us?
🚀 Limitless You – Work when and where you want, with room to grow
🤖 Limitless AI – Contribute to smarter, more inclusive AI
🌎 Be Part of Us – Join a global, supportive community
About our projects:
Welo Data projects vary by scope and complexity, but all play a role in building more accurate, inclusive, and human-centered AI.
Depending on your skills, you might:
📝 Annotate or label text, images, or audio to train AI systems
🔍 Evaluate search results, ads, or chatbot responses for quality and relevance
💬 Create and test prompts to improve large language models (LLMs)
🌍 Ensure content reflects cultural, linguistic, or industry-specific accuracy
Some projects last a few days; others may extend over several weeks. Before each one, you’ll receive clear details on tasks, timelines, and compensation, so you can decide what works best for you.
How to Apply?
Click the “Apply” button on our website to fill out a short form and join our talent database. It only takes a few minutes to get started and become part of our growing community.
📬 Questions?
If you have any questions about the process, feel free to contact us at TalentRequests@welocalize.com.
Location: Philippines; Remote - Europe; Remote, Worldwide
Workplace: remote
Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train the world’s most advanced AI systems. We’re building smarter, more human AI with a diverse community in 100+ countries.
At Welo Data, Limitless AI. Limitless You. isn’t just a slogan—it’s our promise. We build smarter AI through the power of human contribution, offering limitless opportunities for our global community to grow, contribute, and work on their terms.
Are you detail-oriented and curious about tech?
Welo Data is building a global network of linguists, language enthusiasts, and culturally aware contributors to shape safer, smarter AI.
By joining our talent community, you’ll be first in line for flexible, remote projects in annotation, evaluation, and prompt creation—always on your terms.
Note: This is not an active job opening. By applying, you’ll join our global contributor network. When a project aligns with your skills and availability, we’ll reach out with all the details, including scope, timeline, and compensation.
What You’ll Need
- Native or near-native fluency in Cebuano
- Based in: Worldwide, Remote
- English proficiency
- Comfortable with digital tools
- Detail-oriented and curious
Why Join Us?
🚀 Limitless You – Work when and where you want, with room to grow
🤖 Limitless AI – Contribute to smarter, more inclusive AI
🌎 Be Part of Us – Join a global, supportive community
About our projects:
Welo Data projects vary by scope and complexity, but all play a role in building more accurate, inclusive, and human-centered AI.
Depending on your skills, you might:
📝 Annotate or label text, images, or audio to train AI systems
🔍 Evaluate search results, ads, or chatbot responses for quality and relevance
💬 Create and test prompts to improve large language models (LLMs)
🌍 Ensure content reflects cultural, linguistic, or industry-specific accuracy
Some projects last a few days; others may extend over several weeks. Before each one, you’ll receive clear details on tasks, timelines, and compensation, so you can decide what works best for you.
How to Apply?
Click the “Apply” button on our website to fill out a short form and join our talent database. It only takes a few minutes to get started and become part of our growing community.
📬 Questions?
If you have any questions about the process, feel free to contact us at TalentRequests@welocalize.com.
Location: Indonesia; Remote - Europe; Remote, Worldwide
Workplace: remote
Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train the world’s most advanced AI systems. We’re building smarter, more human AI with a diverse community in 100+ countries.
At Welo Data, Limitless AI. Limitless You. isn’t just a slogan—it’s our promise. We build smarter AI through the power of human contribution, offering limitless opportunities for our global community to grow, contribute, and work on their terms.
Are you detail-oriented and curious about tech?
Welo Data is building a global network of linguists, language enthusiasts, and culturally aware contributors to shape safer, smarter AI.
By joining our talent community, you’ll be first in line for flexible, remote projects in annotation, evaluation, and prompt creation—always on your terms.
Note: This is not an active job opening. By applying, you’ll join our global contributor network. When a project aligns with your skills and availability, we’ll reach out with all the details, including scope, timeline, and compensation.
What You’ll Need
- Native or near-native fluency in Sundanese
- Based in: Worldwide, Remote
- English proficiency
- Comfortable with digital tools
- Detail-oriented and curious
Why Join Us?
🚀 Limitless You – Work when and where you want, with room to grow
🤖 Limitless AI – Contribute to smarter, more inclusive AI
🌎 Be Part of Us – Join a global, supportive community
About our projects:
Welo Data projects vary by scope and complexity, but all play a role in building more accurate, inclusive, and human-centered AI.
Depending on your skills, you might:
📝 Annotate or label text, images, or audio to train AI systems
🔍 Evaluate search results, ads, or chatbot responses for quality and relevance
💬 Create and test prompts to improve large language models (LLMs)
🌍 Ensure content reflects cultural, linguistic, or industry-specific accuracy
Some projects last a few days; others may extend over several weeks. Before each one, you’ll receive clear details on tasks, timelines, and compensation, so you can decide what works best for you.
How to Apply?
Click the “Apply” button on our website to fill out a short form and join our talent database. It only takes a few minutes to get started and become part of our growing community.
📬 Questions?
If you have any questions about the process, feel free to contact us at TalentRequests@welocalize.com.
Location: India; Remote, Worldwide; Remote - Europe; Remote
Workplace: remote
Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train the world’s most advanced AI systems. We’re building smarter, more human AI with a diverse community in 100+ countries.
At Welo Data, Limitless AI. Limitless You. isn’t just a slogan—it’s our promise. We build smarter AI through the power of human contribution, offering limitless opportunities for our global community to grow, contribute, and work on their terms.
Are you detail-oriented and curious about tech?
Welo Data is building a global network of linguists, language enthusiasts, and culturally aware contributors to shape safer, smarter AI.
By joining our talent community, you’ll be first in line for flexible, remote projects in annotation, evaluation, and prompt creation—always on your terms.
Note: This is not an active job opening. By applying, you’ll join our global contributor network. When a project aligns with your skills and availability, we’ll reach out with all the details, including scope, timeline, and compensation.
What You’ll Need
- Native or near-native fluency in Koro
- Based in: Worldwide, Remote
- English proficiency
- Comfortable with digital tools
- Detail-oriented and curious
Why Join Us?
🚀 Limitless You – Work when and where you want, with room to grow
🤖 Limitless AI – Contribute to smarter, more inclusive AI
🌎 Be Part of Us – Join a global, supportive community
About our projects:
Welo Data projects vary by scope and complexity, but all play a role in building more accurate, inclusive, and human-centered AI.
Depending on your skills, you might:
📝 Annotate or label text, images, or audio to train AI systems
🔍 Evaluate search results, ads, or chatbot responses for quality and relevance
💬 Create and test prompts to improve large language models (LLMs)
🌍 Ensure content reflects cultural, linguistic, or industry-specific accuracy
Some projects last a few days; others may extend over several weeks. Before each one, you’ll receive clear details on tasks, timelines, and compensation, so you can decide what works best for you.
How to Apply?
Click the “Apply” button on our website to fill out a short form and join our talent database. It only takes a few minutes to get started and become part of our growing community.
📬Questions?
If you have any questions about the process, feel free to contact us at TalentRequests@welocalize.com.
Location: India; Remote, Worldwide; Remote - Europe; Remote
Workplace: remote
Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train the world’s most advanced AI systems. We’re building smarter, more human AI with a diverse community in 100+ countries.
At Welo Data, Limitless AI. Limitless You. isn’t just a slogan—it’s our promise. We build smarter AI through the power of human contribution, offering limitless opportunities for our global community to grow, contribute, and work on their terms.
Are you detail-oriented and curious about tech?
Welo Data is building a global network of linguists, language enthusiasts, and culturally aware contributors to shape safer, smarter AI.
By joining our talent community, you’ll be first in line for flexible, remote projects in annotation, evaluation, and prompt creation—always on your terms.
Note: This is not an active job opening. By applying, you’ll join our global contributor network. When a project aligns with your skills and availability, we’ll reach out with all the details, including scope, timeline, and compensation.
What You’ll Need
- Native or near-native fluency in Sanskrit
- Based in: Worldwide, Remote
- English proficiency
- Comfortable with digital tools
- Detail-oriented and curious
Why Join Us?
🚀 Limitless You – Work when and where you want, with room to grow
🤖 Limitless AI – Contribute to smarter, more inclusive AI
🌎 Be Part of Us – Join a global, supportive community
About our projects:
Welo Data projects vary by scope and complexity, but all play a role in building more accurate, inclusive, and human-centered AI.
Depending on your skills, you might:
📝 Annotate or label text, images, or audio to train AI systems
🔍 Evaluate search results, ads, or chatbot responses for quality and relevance
💬 Create and test prompts to improve large language models (LLMs)
🌍 Ensure content reflects cultural, linguistic, or industry-specific accuracy
Some projects last a few days; others may extend over several weeks. Before each one, you’ll receive clear details on tasks, timelines, and compensation, so you can decide what works best for you.
How to Apply?
Click the “Apply” button on our website to fill out a short form and join our talent database. It only takes a few minutes to get started and become part of our growing community.
📬Questions?
If you have any questions about the process, feel free to contact us at TalentRequests@welocalize.com.
Location: Ghana; Remote, Worldwide; Remote - Europe; Remote
Workplace: remote
Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train the world’s most advanced AI systems. We’re building smarter, more human AI with a diverse community in 100+ countries.
At Welo Data, Limitless AI. Limitless You. isn’t just a slogan—it’s our promise. We build smarter AI through the power of human contribution, offering limitless opportunities for our global community to grow, contribute, and work on their terms.
Are you detail-oriented and curious about tech?
Welo Data is building a global network of linguists, language enthusiasts, and culturally aware contributors to shape safer, smarter AI.
By joining our talent community, you’ll be first in line for flexible, remote projects in annotation, evaluation, and prompt creation—always on your terms.
Note: This is not an active job opening. By applying, you’ll join our global contributor network. When a project aligns with your skills and availability, we’ll reach out with all the details, including scope, timeline, and compensation.
What You’ll Need
- Native or near-native fluency in Twi
- Based in: Worldwide, Remote
- English proficiency
- Comfortable with digital tools
- Detail-oriented and curious
Why Join Us?
🚀 Limitless You – Work when and where you want, with room to grow
🤖 Limitless AI – Contribute to smarter, more inclusive AI
🌎 Be Part of Us – Join a global, supportive community
About our projects:
Welo Data projects vary by scope and complexity, but all play a role in building more accurate, inclusive, and human-centered AI.
Depending on your skills, you might:
📝 Annotate or label text, images, or audio to train AI systems
🔍 Evaluate search results, ads, or chatbot responses for quality and relevance
💬 Create and test prompts to improve large language models (LLMs)
🌍 Ensure content reflects cultural, linguistic, or industry-specific accuracy
Some projects last a few days; others may extend over several weeks. Before each one, you’ll receive clear details on tasks, timelines, and compensation, so you can decide what works best for you.
How to Apply?
Click the “Apply” button on our website to fill out a short form and join our talent database. It only takes a few minutes to get started and become part of our growing community.
📬Questions?
If you have any questions about the process, feel free to contact us at TalentRequests@welocalize.com.
Задачи:
— Проектирование и поддержка масштабируемых и отказоустойчивых серверных решений
— Внедрение и развитие практик надежности и доступности
— Диагностика и оптимизация серверного кода и баз данных
— Обеспечение своевременных решений для проблем в продуктивной среде
— Работа в небольшой команде, где backend-разработчики участвуют в обсуждениях игрового дизайна и влияют на принятие решений
Требования:
— Опыт коммерческой разработки 5+ лет
— Продуктовый подход с опытом работы над функциями, ориентированными на игроков, сотрудничество с продуктовыми командами и ответственность за функции от дизайна до продакшена
— Глубокие знания .NET, C#, ASP.NET Core
— Опыт работы с реляционными базами данных (MySQL, PostgreSQL и др.)
— Опыт с системами кэширования и технологиями обмена сообщениями (Redis, Memcached, Kafka, RabbitMQ и др.)
— Понимание принципов хорошей архитектуры приложений
— Опыт работы с высокими нагрузками (мультиплеерные игровые сессии, карты мира, LiveOps)
— Опыт работы с облачными платформами (AWS, Azure и др.)
— Понимание принципов DDD
— Владение русским языком
Условия:
— Медицинская программа (включая стоматологию) или компенсация медицинских расходов, доступная в любом месте работы
— Медицинская программа для членов семьи при работе в офисах в Кипре, Армении и Казахстане
— Оплачиваемый отпуск и больничные
— Возможность работать в офисах в официальных локациях или удаленно
— Спортивные активности (йога, футбол, волейбол) в официальных локациях
— Пакет поддержки при релокации в официальные локации
— Курсы английского языка онлайн, уроки греческого и армянского для сотрудников в Кипре и Армении
— Участие в гейм-джемах, хакатонах, конференциях и митапах
— Поддержка социальных инициатив и участие в благотворительных проектах
Формат работы: в офисах компании в Кипре, Армении и Казахстане или удаленно.
Задачи:
- разрабатывать сервис модерации рекламы;
- курировать архитектуру сервисов на Python и следить, чтобы техническая архитектура соответствовала бизнес-требованиям;
- проводить ревью архитектурных решений коллег;
- проводить ревью кода коллег и давать полезную обратную связь;
- отвечать за работу системы, понимать, где нужно улучшить наблюдаемость и тестируемость, вести технический бэклог;
- участвовать в проработке решений со стороны бизнеса, продумывать варианты технической реализации и помогать бизнесу формулировать требования;
- координировать работу со смежными командами и договариваться о взаимовыгодных решениях;
- погружаться в специфику модерации в целом и модерации рекламных креативов в частности.
Требования:
- уверенно владеете Python;
- имеете опыт продуктовой разработки;
- готовы погружаться в продукт, понимать его требования, вместе с бизнесом прорабатывать и приоритизировать решения;
- готовы отвечать за систему со стороны технической команды;
- хорошо понимаете архитектуру, умеете оценивать технические компромиссы и доносить их до бизнеса;
- умеете строить расширяемые системы, балансируя между количеством абстракций и временем на реализацию;
- умеете строить наблюдаемые и тестируемые системы;
- понимаете и можете объяснить, как технические задачи связаны с планами бизнеса;
- умеете приоритизировать технический бэклог;
- имеете опыт менторинга инженеров и коммуникации с бизнесом;
- готовы глубже погружаться в бизнес-специфику задач и активно участвовать в проработке требований.
Location: Remote (Global)
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Lead the engineering org building Fortary's institutional digital asset platform: custody, trading, lending, staking, and treasury management for regulated financial institutions. You'll own the architecture and technical strategy for our distributed MPC custody system, grow the team, and partner with Product, Security, and executive leadership to ship secure, resilient infrastructure at institutional scale.
This is a leadership role at the intersection of distributed systems, applied cryptography, and institutional finance. You set technical direction, you're accountable for what ships, and you build the org that ships it.
What you'll do
- Lead multiple teams delivering Fortary's custody, transaction authorization, key management, wallet infrastructure, and blockchain integrations
- Own the architecture and roadmap for the distributed MPC custody platform, including disaster recovery, governance, and transaction policy controls
- Partner with Product, Security, BD, and executives to prioritize investments against customer, regulatory, and business needs
- Support multiple deployment models: managed platform and licensed software
- Ensure engineering practices meet the security, compliance, and governance bar required as Fortary moves toward chartered-institution status
- Lead incident response for outages, security events, and key management scenarios
- Hire, mentor, and grow engineering managers and senior engineers
- Drive adoption of AI-assisted engineering across the org
What you'll bring
- 10+ years in software engineering, 5+ leading teams shipping production-scale secure distributed systems
- Track record owning large-scale, security-critical platforms from architecture through production
- Deep expertise in modern cryptography and secure key management: MPC, threshold signatures, TEEs, HSMs
- Experience building cloud-native systems (Kubernetes, IaC, CI/CD, observability) with security and resilience as first-order concerns
- Fluency in the compliance frameworks for regulated finance: SOC 2, ISO 27001, NIST, AML/KYC, and awareness of the SEC/CFTC/OCC/MiCA landscape
- Experience across digital asset infrastructure: custody, trading, staking, treasury, and blockchain settlement
- Ability to communicate credibly with executives, institutional customers, auditors, and regulators
Bonus
- Experience scaling an org toward a chartered or licensed financial entity
- Background delivering both managed-service and licensed-software products
(**This is not a guarantee of compensation or salary, a final offer amount may vary based on factors including but not limited to experience and geographic location.)
WHY AVA LABS?
If you've ever thought about joining an early stage Web3 company - this is it! We're a global, world-class team of experts in computer science, economics, finance, marketing, and law with offices in New York City and Miami. We're highly passionate about Web3 and redefining the way people build and use finance and decentralized applications of all kinds. The company received early-stage funding from Andreessen Horowitz, Initialized Capital, and Polychain Capital, with angel investments from Balaji Srinivasan and Naval Ravikant. Join us and be a pioneer in a new technology that will have implications across a range of verticals such as finance, gaming, investing, collectibles, among many others.
Ava Labs is committed to diversity in the workplace and we’re proud to be an Equal Opportunity Employer. We do not hire on basis of race, color, religion, creed, gender, national origin, citizenship, age, disability, veteran status, marital status, pregnancy, parental status, sex, gender expression or identity, sexual orientation, or any other basis protected by local, state or federal law. All employment is decided on the basis of qualifications, merit, and business need.
About the Role
You will design, implement, and evolve the Taproot Assets Protocol, working on mission critical peer-to-peer cryptocurrency daemons written in Go. You'll collaborate with the wider team on researching and designing future iterations of the protocol, participate in issue triage and code review of open source contributions, and communicate with the broader community and industry about the software and technology you build.
Requirements
— Strong engineering background with solid programming skills
— Experience in Go desired, C or C++ relevant as well
— Thorough understanding of the principles of distributed systems and peer-to-peer networking
— Solid engineering practices and processes, such as testing methodology and documentation
— Experience with Bitcoin, cryptography, and/or financial software
— Prior contributions to crypto protocols and open source software collaboration preferred
— Quick learner, geared towards implementation
— Eager to develop new skills and willing to take ownership of projects
Responsibilities
— Design and implement core Taproot Assets Protocol (TAP) features and algorithms
— Contribute to mission critical peer-to-peer cryptocurrency daemons written in Go
— Collaborate with the team on research and design of future iterations of the Taproot Assets Protocol
— Participate in issue triage and code review of open source contributions
— Communicate with the wider community and industry about the software and technology
Location: Remote, Global
ABOUT SUPABASE
Supabase is the Postgres development platform, built by developers for developers. We provide a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. All services are deeply integrated and designed for growth.
ABOUT THE ROLE
We're looking for engineers to join the team building Spark, a lightweight implementation of Supabase written in Rust. It runs on an embedded SQLite-based engine with a Postgres-compatible SQL layer, and ships a PostgREST and Auth compatible API, so applications written against @supabase/supabase-js work as-is. It exists because AI builders and platform partners need a database they can give to every prototype without the cost or the wait: sub-second provisioning, a footprint small enough to run inside a sandbox, and an upgrade path to full Supabase when an app graduates to production.
This is a role with a lot of agency. Small team, working product, patterns still to be set. You'll own large areas end to end and make real decisions from day one.
WHAT YOU'LL BE RESPONSIBLE FOR
In this role, you'll:
- Grow API compatibility with the Supabase client, keeping behavior faithful to hosted Supabase and backed by conformance tests
- Bring more of the Supabase stack to Turso/SQLite
- Find and work around gaps in the underlying database engine, with minimal repros and tests
- Build and harden the path for upgrading a project from Spark to full Supabase
- Own the developer experience end to end: the CLI, local tooling, and docs
- Build and harden the hosted offering while keeping the low cost structure in mind, kept loosely coupled so the implementation can be swapped without a rewrite
- Work directly with design partners and turn real-world migration and integration friction into a sharper product
- Engage with the open-source community and contribute back to the broader Supabase stack
YOU MIGHT BE A GOOD FIT IF YOU
- Have substantial backend or full-stack experience with strong fluency in Rust, have shipped production Rust, and have built or contributed to a backend system, framework, or developer platform before
- Are a strong generalist, comfortable moving across the stack from API design to storage internals to infrastructure, and picking up whatever the problem needs
- Read unfamiliar code without friction. A lot of the work means studying reference implementations in other languages, such as GoTrue in Go, PostgREST in Haskell, and matching their behavior in Rust
- Have a solid grounding in SQL and relational databases, experience working close to a database engine (transactions, MVCC, type systems), and the curiosity to dig into where Postgres and SQLite differ
- Know Postgres well enough to use it as the reference for correct behavior
- Have run services under tight resource limits (multi-tenant, serverless, or embedded)
- Have a bias toward compatibility and correctness, and reach for tests and specs to prove behavior
- Think around corners. When everyone reaches for the standard playbook, you look for the simpler path that fits a smaller box. You break a complex system down to the 20% that covers 80% of the need, then make it run somewhere far smaller than it was designed for
- Care about developer experience: clean APIs, fast feedback loops, and tooling that makes the right thing the easy thing
- Are comfortable owning ambiguous, early-stage work and making sound calls that inform and define the spec. This is a founding role on a brand-new team
- Are comfortable working in public repositories on a remote, async team
- Communicate clearly in writing
- Bonus: experience with the Supabase stack, building developer CLIs, a track record of open-source maintenance, or contributions to Rust database or web projects
WHAT WE OFFER
- Fully Remote
We hire globally. We believe you can do your best work from anywhere. There are no Supabase offices, but we provide a WeWork membership or co-working allowance you can use anywhere in the world.
- ESOP
Every team member receives ESOP (equity ownership) in the company. We want everyone to share in the upside of what we’re building together.
- Tech Allowance
Use this budget to set up your ideal work environment—laptop, monitor, headphones, or whatever helps you do your best work.
- Health Benefits
Supabase covers 100% of health insurance for employees and 80% for dependents, wherever you are. Your wellbeing and your family’s health are important to us.
- Annual Off-Sites
Once a year, the entire company gathers in a new city for a week of connection, collaboration, and fun. It’s a highlight of our year.
- Flexible Work
We operate asynchronously and trust you to manage your own time. You know what needs to be done and when.
- Professional Development
Every team member receives an annual education allowance to spend on learning—courses, books, conferences, or anything that supports your growth.
ABOUT THE TEAM
Supabase was born-remote and open-source-first. We believe our globally distributed team is our secret weapon in building tools developers love.
- ~400 team members
- 60+ countries
- 20+ languages spoken
- Over $1B raised (including our $500M Series F)
- 540,000+ community members
We move fast, build in public, and use what we ship. If it’s in your project, we probably use it in ours too. We believe deeply in the open-source ecosystem and strive to support—not replace—existing tools and communities.
Location: Rijeka
Workplace: remote
CSM Rijeka is looking for self-motivated and skilled seafarers to join our expanding fleet of Columbia Shipmanagement.
JOB DESCRIPTION
Responsible for the proper operation and maintenance of Engine room and other machinery equipment.
Experience in repairs and dry docking is required.
Holder of valid STCW certifications required for the position.
Good communication and leadership skills.
Effective English communication.
Safety culture and mindset.
Experience with multicultural working environment.
VESSEL'S SPECIFIC REQUIREMENTS
Minimum experience requirements: 4 months in Rank on the same vessel type and with 2 stroke engines.
Experience in Deepwell Centrifugal Cargo pump system is mandatory.
Experience in trading area USA and Australia is recommended.
Greek Language Speaking is recommended
CONTRACT TERMS & CONDITIONS
Contract Duration [4 months +/- 1 months]
Contract Benefit: competitive salary
Terms and condition as per CBA applicable
Rejoining Bonus
Free Internet onboard and wellbeing support
You may include with your application any reference, specific job qualification, and your availability date.
Looking forward to welcoming you in the Columbia Group Family.
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