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Location: EMEA Note: We are hiring for this role in any country ClickHouse has a hiring presence. About the Team The Core Engineering team is responsible for working on the beloved ClickHouse open-source project https://github.com/ClickHouse/ClickHouse while working cross-functionally across engineering and product teams as we develop and expand our Cloud service offering. We are seeking a Senior Software Quality Engineer who will focus on improving the efficiency and quality of both our open-source and cloud offerings. You will build out automation of critical operational functions that ensure ClickHouse Cloud operates smoothly worldwide and at our massive scale. The ideal candidate for this position is someone with strong technical skills and a background in release engineering. What will you do? - Build and enhance test automation frameworks and develop automated test cases. - Try out new features and ensure they land smoothly in Production. - Test cross-functional implementations across internal teams at ClickHouse. - Implement new testing strategies and automation for large and complex distributed systems. - Evaluate the new functionality of ClickHouse for each release, and identify opportunities in the existing codebase for improvement. - Engineer and improve existing testing infrastructure. About you: - Extensive knowledge of SQL. - Previously worked in a similar SDET, Release Engineering, or QA role related to a classical database or distributed system. - Have hands-on experience with any programming language (Python, Go, C++). - Can read C++ code for validation. - Working knowledge of Git, Linux and shell scripting. - Experience with both manual testing and automation testing. - Demonstrated ability to work collaboratively, including with remote teams. Ability to learn complex technology quickly in a fast-paced, team-driven environment. - You have excellent communication skills and the ability to work well within and across engineering teams. - You are a strong problem-solver and have solid production debugging skills. - You thrive in a fast-paced environment and see yourself as a partner with the business with the shared goal of moving the business forward. #LI-remote PERKS - Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in over 25 countries. - Healthcare - Employer contributions towards your healthcare. - Equity in the company - Every new team member who joins our company receives stock options. - Time off - Flexible time off in the US, generous entitlement in other countries. - A USD$500 Home office setup if you’re a remote employee. - Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites. CULTURE - WE ALL SHAPE IT As part of a rapidly scaling start-up, you will be instrumental in shaping our culture. Are you interested in finding out more about our culture? Learn more about our values here https://clickhouse.com/company/careers. Check out our blog posts https://clickhouse.com/blog or follow us on LinkedIn https://www.linkedin.com/company/clickhouseinc/life/0c1ee7f4-2129-488d-b413-e7f6270659fd/?viewAsMember=true to find out more about what’s happening at ClickHouse. EQUAL OPPORTUNITY & PRIVACY ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Please see here https://clickhouse.com/legal/applicant-privacy-notice for our Privacy Statement.

Location: Remote Workplace: Remote Blockstream https://blockstream.com/ was founded in 2014 by Dr. Adam Back https://en.wikipedia.org/wiki/Adam_Back and a group of fellow cryptographers and engineers who were passionate about Bitcoin and its potential to change the future of finance. Focusing on building fundamental Bitcoin infrastructure, Blockstream quickly became one of the industry's leading technology powerhouses. Blockstream is transforming traditional financial systems by equipping enterprises and consumers with Bitcoin-based solutions that enhance efficiency, security, and scalability. Our vision is to empower the world with tools that strengthen financial security, streamline everyday use, and unlock new opportunities for growth.  In pursuit of our expansive vision, we’ve built a full stack of innovative products on top of the Bitcoin protocol, from layer-2 projects like Liquid and Core Lightning, to end-user software and hardware wallets like Green and Jade. Our brand stands for innovation in the Bitcoin community, and we’re growing our team to accelerate the future. As a QA Engineer, you will be responsible for designing, implementing, and executing test strategies to ensure the stability and performance of our Bitcoin and blockchain-based applications. You will work closely with developers, product managers, and devops engineers to identify issues early, automate testing processes, and maintain high-quality standards for our products. What You Will Be Doing (Responsibilities): - Develop and execute: test plans, test cases, and test scripts for blockchain-based applications and APIs. - Design, implement, and maintain automated testing frameworks for functional, performance, and security testing. - Conduct manual and automate testing of transactions, wallets, payment systems, and decentralized applications. - Identity, document, and track defects using bug-tracking tools (e.g. Jira, GitHub). - Collaborate with developers to conduct feature reviews and ensure testability of new features. - Perform security testing to detect vulnerabilities in products. - Work closely with DevOps to integrate testing into CI/CD pipelines, and optimize test execution in cloud-based environments. - Conduct regression testing and maintain a robust suite of automated tests to prevent system failures. - Research and implement test practices for blockchain and fintech QA methodologies. What We Look For In You (Required Qualifications): - 2+ years in software quality assurance; preferably in fintech, blockchain, or security-focused industries. - Proficiency in automation testing frameworks. - Strong understanding of Bitcoin and blockchain technology. - Experience with API testing tools. - Knowledge of scripting languages. - Understanding of security testing methodologies, including penetration testing and vulnerability assessments. - Experience with performance testing tools. - Strong analytical and problem-solving skills. - Ability to work in a fast-paced, remote-first, and collaborative environment. - Excellent communication and documentation skills.   🔒 Stay Safe from Job Scams All official Blockstream communication will come from an @blockstream.com email address. We will never ask you to share sensitive information or purchase equipment during the hiring process. If in doubt, contact us at hr@blockstream.com. Learn more about avoiding job scams here https://consumer.ftc.gov/consumer-alerts/2022/05/want-work-home-spot-scams-first.

Location: Limassol; Nicosia; Athens; Thessaloniki; Fully Remote - in other eligible locations Workplace: hybrid The Role:   Our team is expanding and we are hiring several high caliber QA Software Test Automation Engineers (Java) to join our fast-growing team. You will work with world class specialists in a friendly, supportive and open-minded environment on challenging goals that will help you to grow professionally and achieve new technical levels. This role will focus on improving and monitoring product quality via test automation framework development and test coverage extension for functional and performance suits. The main responsibilities of the position include: Closely collaborate with the development team to help deliver high quality software Understand and translate business requirements to technical requirements Enhance software delivery and quality throughout the entire Software Development Life Cycle Perform automated functional and performance testing Design and develop the test automation framework, implement required libraries, and conduct auto-tests Maintain CI pipelines and integrate automated scripts into CI tools Manage any issues that may arise and drive resolutions throughout the testing process Actively participate in the Software Development Life Cycle and Software Testing Life Cycle Main requirements: BSc/MSc in Computer Science Minimum 2 years’ experience in quality assurance and test automation (functional GUI and API) Practical experience in automation testing with Java (Playwright, REST Assured, or similar for mobile automation) is a must Experience in writing queries for SQL and NoSQL databases Experience in agile software development methodologies and testing procedures Strong interpersonal and organisational skills Committed to excellence, continuous improvement, and to achieving the best results Excellent written and verbal skills in English Benefit from: Attractive remuneration package Intellectually stimulating work environment Continuous personal development and international training opportunities The Hiring Experience: What Awaits You Let’s Connect – Intro Chat with Talent Acquisition Deep Dive – First Interview with Your Future Team Final Connection – Final Interview All applications will be treated with strict confidentiality!   By submitting this application, I confirm that I have read and agree to the terms of the Privacy and Data Protection Notice and the Confidentiality Undertaking.

Location: Kyiv Workplace: onsite Ajax Systems — міжнародна технологічна компанія і найбільший у Європі виробник охоронних систем. Продуктам Ajax довіряють уже понад 4,5 мільйони кінцевих користувачів і 330 тисяч PRO-користувачів у більш ніж 180 країнах. Компанія пропонує комплексні рішення для захисту житлових і комерційних об'єктів різного масштабу. Нині портфоліо Ajax налічує 280 пристроїв для захисту від вторгнення, відеоспостереження, пожежної безпеки та комфорту й автоматизації. Кожного року ми демонструємо кратне зростання як у чисельності команди, так і в кількості користувачів у всьому світі.    За розробку пристроїв у Ajax відповідає R&D, який складається з чотирьох департаментів: System, Device, Automation та QA.Device Department займається розробкою пристроїв для безпеки й автоматизації. А також ставить перед собою серйозні виклики в таких напрямках: - Low-Power: пристрої мають працювати максимально довго від штатних батарей; - Собівартість: масовий продукт повинен залишатися в діапазоні середнього цінового сегмента; - DFM (Design for Manufacturing) і DFH (Design for Human): схемотехніку, корпуси та інші елементи має бути легко повторити в сотнях тисяч пристроїв на виробництві без втрати якості. Розробка переважно ведеться для STM32 (але є і інші MCU та SoC), з використанням Embedded C. Вже зібрано сильну експертизу й талановитих працівників із числа Hardware- та Embedded C-інженерів, промислових дизайнерів, конструкторів-механіків.   Ajax шукає Junior Manual QA Engineer  в команду забезпечення якості девайсів в Києві. Завдання: Покращувати якість наших hardware продуктів Аналізувати вимоги до тестування пристроїв, функціоналу програм та тест-стендів. Підготовка чек-листів, тест-кейсів, тест-планів. Не просто знаходити баги, а за допомогою логів, дебагу та зовнішніх проявів з'ясовувати причини цих багів. Проводити дослідження роботи пристроїв та програм. Необхідні знання та навички: Базові знання електроніки, фізики та схемотехніки. Знання та розуміння теорії тестування. Ведення документації: складання тест-кейсів, сценаріїв користувача, чек-листів. Вміння грамотно описати баг репорт та вести життєвий цикл бага. Технічна освіта. Буде плюсом: Досвід тестування hardware проєктів (для Middle обовʼязково) Пропонуємо: Можливість пропонувати та реалізовувати власні ідеї, які мають вплив на продукт і виробництво; Роботу у вмотивованій команді та zero bullshit culture; Конкурентну заробітну плату; Медичне страхування; Корпоративну англійську мову; Можливість взяти участь у проєкті бета-тесту систем безпеки Ajax — отримання та тестування нових гаджетів до їх релізу. Ajax Systems — це українська історія успіху, місце неймовірної сили та енергії. Долучайтеся, щоб зробити Made in Ukraine 🇺🇦 синонімом надійності.