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Location: Ontario, Canada - Remote About FirstPrinciples At FirstPrinciples, we're building Theo, the AI platform for R&D teams. By bringing together an organization's data, the world's research, and their choice of AI models and tools, we're creating a unified platform designed for verifiable scientific work. We're a small, ambitious team at an early stage of growth, tackling complex technical challenges and building something with the potential to meaningfully change how R&D teams work. We're looking for people who thrive in fast-paced environments, take ownership, adapt quickly, and aren't afraid to experiment. You'll have the opportunity to make a meaningful impact, work closely with talented people across disciplines, and help shape both our technology and the company as we grow. Why This Role Exists: We're looking for a Business Development Representative to help us generate pipeline, identify new opportunities, and shape how we bring Theo to market. This isn't a role where you'll follow an established playbook. You'll help build one. You'll thrive here if you're curious, resourceful, and energized by a fast-paced startup environment where priorities evolve quickly. We're looking for someone who takes ownership, isn't afraid to experiment, and is excited to make a meaningful impact as we grow. What You'll Do - Generate and qualify new business opportunities through proactive outbound prospecting, including cold calls, email, LinkedIn, and other creative approaches. - Research and identify potential customers across R&D organizations, building an understanding of their challenges, workflows, and opportunities for AI adoption. - Develop a deep understanding of Theo and confidently communicate its value to prospective customers. - Lead initial discovery and qualification conversations to understand customer needs and identify strong opportunities for our Account Executives. - Partner closely with Account Executives and leadership to build pipeline, refine messaging, and improve our sales approach. - Experiment with new prospecting strategies, test different messaging, and use what you learn to improve results. - Maintain accurate prospect, account, and activity information in Salesforce to support pipeline visibility and follow through. - Share customer insights and market feedback with our Product and Engineering teams to help shape our product and go-to-market strategy. - Take ownership of your pipeline and work toward monthly qualified opportunity targets, continuously looking for ways to improve performance. - Contribute beyond your day-to-day responsibilities when needed. We're a small team, and everyone plays a role in moving the business forward. Who You Are - You have 1-3 years of experience in sales, business development, or a customer-facing role, ideally in B2B SaaS. - You're proactive, resourceful, and comfortable figuring things out without a playbook. - You thrive in fast-paced environments where priorities shift and ambiguity is part of the job. - You're resilient, persistent, and comfortable with rejection. - You're curious about AI and enjoy learning how complex technology solves real-world problems. - You're a strong communicator who can build relationships and engage technical stakeholders. - You take ownership, move quickly, and focus on outcomes rather than just activity. - You're eager to learn, open to feedback, and excited to grow into an Account Executive role. What You'll Get - The opportunity to help build our go-to-market motion from the ground up. - Direct exposure to leadership and experienced sales professionals. - A clear opportunity to develop toward an Account Executive role. - The chance to work with cutting-edge AI technology transforming R&D. - A fast-moving, collaborative startup environment where your ideas and contributions matter.

Location: Ontario, Canada - Remote; Anywhere About FirstPrinciples At FirstPrinciples, we're building Theo, the AI platform for R&D teams. By bringing together an organization's data, the world's research, and their choice of AI models and tools, we're creating a unified platform designed for verifiable scientific work. We're a small, ambitious team at an early stage of growth, tackling complex technical challenges and building something with the potential to meaningfully change how R&D teams work. We're looking for people who thrive in fast-paced environments, take ownership, adapt quickly, and aren't afraid to experiment. You'll have the opportunity to make a meaningful impact, work closely with talented people across disciplines, and help shape both our technology and the company as we grow. Why This Role Exists: We’re building products to accelerate progress in physics - but that only matters if the right researchers discover them, understand how they work, and make the decision to adopt them. Besides building the technology, the challenge is earning the trust of researchers and institutions, and translating it into active usage and commercial relationships. This role exists to lead that journey. You’ll work across the full sales lifecycle: from identifying and reaching out to researchers and organizations, to discovery, demos, evaluations, and close. You’ll help prospective users move from curiosity, to confidence that the platform can advance their research. Your impact will directly shape who we serve, how we bring the product to market, and how quickly we build a repeatable path to adoption and revenue. What You’ll Do: - Own the full sales cycle, from outbound prospecting and pipeline generation through discovery, product demonstrations, negotiation, and closing. - Build and execute targeted outbound strategies to identify, engage, and convert prospective customers across R&D-intensive organizations. - Develop a strong understanding of our ideal customer profile (ICP), buyer personas, and customer pain points to deliver compelling, value-driven sales conversations. - Lead discovery conversations that uncover business challenges, qualify opportunities, and clearly demonstrate how Theo can deliver value. - Deliver compelling product demonstrations and proposals tailored to customer needs, connecting technical capabilities to measurable business outcomes. - Build relationships with key decision-makers and navigate complex, multi-stakeholder sales cycles involving technical teams, business leaders, and procurement. - Drive customer evaluations and pilots forward by establishing clear success criteria, managing stakeholders, and converting successful evaluations into paying customers. - Own pipeline management, deal progression, forecasting, and revenue targets, maintaining accurate and actionable CRM data. - Collaborate with Research Partners, Product, and Engineering to address customer needs, overcome technical objections, and move opportunities toward close. - Continuously experiment with prospecting strategies, messaging, and sales approaches to improve conversion rates and accelerate revenue growth. - Help build and refine our early sales playbook, establishing repeatable processes that will support the growth of our commercial organization. Who You Are: - Exceptionally curious and analytical, with the ability to rapidly develop fluency in unfamiliar technical and scientific domains - High agency and learning velocity; you’re comfortable being dropped into a complex topic, figuring it out quickly, and operating without an established playbook - Able to form strong, testable points of view from incomplete information, grounded in first-principles reasoning rather than defaulting to established frameworks - Commercially minded and excited by turning complex technology into customer relationships, adoption, and revenue - Strong communicator who asks sharp questions, listens carefully, leads credible discovery conversations, and can move an opportunity toward a decision - Comfortable initiating conversations, prospecting into new organizations, and building relationships from the ground up - Persistent and highly organized; you follow through, maintain momentum, and are comfortable being accountable for measurable commercial outcomes - You may come from sales, investing, consulting, banking, data/analytics, a technical startup, scientific commercialization, or another highly analytical environment. Traditional enterprise sales experience is not required What You’ll Get: - The opportunity to work on foundational problems at the intersection of AI and physics - A high-trust, low-bureaucracy environment with real ownership - Remote-first work with flexibility in how you structure your day - Exposure to cutting-edge ideas across AI, scientific discovery, and emerging technologies - A culture that values curiosity, depth of thinking, and first-principles reasoning - The chance to contribute to work aimed at advancing fundamental science

Location: Ontario, Canada - Remote About FirstPrinciples At FirstPrinciples, we're building Theo, the AI platform for R&D teams. By bringing together an organization's data, the world's research, and their choice of AI models and tools, we're creating a unified platform designed for verifiable scientific work. We're a small, ambitious team at an early stage of growth, tackling complex technical challenges and building something with the potential to meaningfully change how R&D teams work. We're looking for people who thrive in fast-paced environments, take ownership, adapt quickly, and aren't afraid to experiment. You'll have the opportunity to make a meaningful impact, work closely with talented people across disciplines, and help shape both our technology and the company as we grow. Why This Role Exists: We’re building products to accelerate progress in physics - but that only matters if the right researchers discover them, understand how they work, and make the decision to adopt them. Besides building the technology, the challenge is earning the trust of researchers and institutions, and translating it into active usage and commercial relationships. This role exists to lead that journey. You’ll work across the full sales lifecycle: from identifying and reaching out to researchers and organizations, to discovery, demos, evaluations, and close. You’ll help prospective users move from curiosity, to confidence that the platform can advance their research. Your impact will directly shape who we serve, how we bring the product to market, and how quickly we build a repeatable path to adoption and revenue. What You’ll Do - Rapidly develop fluency in customers’ technical domains, research programs, and scientific problems to identify where FirstPrinciples can create value - Prepare highly targeted account strategies and outreach based on a genuine understanding of the organization and its work - Build relationships and pipeline across commercial R&D teams, industry researchers, research groups, national laboratories, and other research-intensive organizations - Own the end-to-end commercial lifecycle: from prospecting and qualification, to discovery, demos, proposals, and close - Run technically credible discovery conversations and product demos that connect researchers’ goals to concrete product use cases - Help prospective customers structure pilot plans, establish success criteria, and build confidence in adopting the platform - Navigate multiple stakeholders across scientific, technical, administrative, procurement, and leadership functions - Partner closely with Research Partners throughout discovery, evaluation, onboarding, and expansion - Bring market feedback, objections, and emerging use cases back to product, research, and engineering - Build lightweight systems for outreach, qualification, account planning, CRM management, follow-up, and forecasting that can scale with the organization - Own clear pipeline, conversion, and revenue goals while helping define our early sales playbook Who You Are - Exceptionally curious and analytical, with the ability to rapidly develop fluency in unfamiliar technical and scientific domains - High agency and learning velocity; you’re comfortable being dropped into a complex topic, figuring it out quickly, and operating without an established playbook - Able to form strong, testable points of view from incomplete information, grounded in first-principles reasoning rather than defaulting to established frameworks - You enjoy doing the work before the meeting: reading papers, researching companies, understanding unfamiliar technical problems, and developing a point of view - Commercially minded and excited by turning complex technology into customer relationships, adoption, and revenue - Strong communicator who asks sharp questions, listens carefully, leads credible discovery conversations, and can move an opportunity toward a decision - Able to understand complex research goals and translate technical capabilities into clear, credible value - Comfortable initiating conversations, prospecting into new organizations, and building relationships from the ground up - Persistent and highly organized; you follow through, maintain momentum, and are comfortable being accountable for measurable commercial outcomes - You may come from sales, investing, consulting, banking, data/analytics, a technical startup, scientific commercialization, or another highly analytical environment. Traditional enterprise sales experience is not required What You’ll Get - The opportunity to work on foundational problems at the intersection of AI and physics - A high-trust, low-bureaucracy environment with real ownership - Remote-first work with flexibility in how you structure your day - Exposure to cutting-edge ideas across AI, scientific discovery, and emerging technologies - A culture that values curiosity, depth of thinking, and first-principles reasoning - The chance to contribute to work aimed at advancing fundamental science

Location: Ontario, Canada - Remote About FirstPrinciples At FirstPrinciples, we're building Theo, the AI platform for R&D teams. By bringing together an organization's data, the world's research, and their choice of AI models and tools, we're creating a unified platform designed for verifiable scientific work. We're a small, ambitious team at an early stage of growth, tackling complex technical challenges and building something with the potential to meaningfully change how R&D teams work. We're looking for people who thrive in fast-paced environments, take ownership, adapt quickly, and aren't afraid to experiment. You'll have the opportunity to make a meaningful impact, work closely with talented people across disciplines, and help shape both our technology and the company as we grow. Why This Role Exists: FirstPrinciples is looking for a driven and experienced product manager to join our team. In this role, you will play a key, cross-functional role helping shape the vision, development, and growth of our products. Building at the cutting-edge of AI and science, this role is a rare, rewarding opportunity to build for the unique and complex requirements of the spaces we operate in. The ideal candidate has a proven track record in product management who can combine strategic thinking with enough technical depth to guide our efforts and bring complex ideas to life. What You’ll Do: - Define, refine, and shape product capabilities across the Theo Platform products in alignment with FirstPrinciples’ mission. - Plan, prioritize, and drive product development while balancing technical constraints, product requirements, and strategic objectives. - Work closely with FirstPrinciples leadership to ensure the product vision addresses research challenges and supports scientific advancement. - Work closely with technical & engineering teams to translate high-level research concepts into actionable technical specifications and user stories, managing the day-to-day backlog. - Continuously improve and iterate your product portfolio, deeply owning the vision, strategy, and roadmap of your products. - Maintain consistent communication across the organization to ensure transparency and alignment. - Uphold operational excellence through documentation, cross-team alignment, and strong execution rituals. Who You Are: - 5+ years experience shipping products as a Product Manager at a technology company. - Educational Background: Bachelor's degree in computer science, engineering, or related technical field; ensuring you can comfortably debate technical tradeoffs. - Product Management: Deep understanding of modern product management craft and theory, as well as practical experience applying it. - Organizational & Planning Skills: Demonstrated ability to plan product roadmaps, prioritize features, and manage releases. - Technical Aptitude: Familiarity with software development processes, best practices, AI/ML concepts, and data infrastructure. - Collaboration & Communication: Strong written and verbal communication skills, and comfort working in a fast-paced startup environment with a remote-first team. - Bonus: Experience with foundational or frontier AI products, in physics and/or fundamental science topics, and in an early-stage startup environment. What You’ll Get: - The opportunity to work on foundational problems at the intersection of AI and physics - A high-trust, low-bureaucracy environment with real ownership - Remote-first work with flexibility in how you structure your day - Exposure to cutting-edge ideas across AI, scientific discovery, and emerging technologies - A culture that values curiosity, depth of thinking, and first-principles reasoning - The chance to contribute to work aimed at advancing fundamental science

Location: Ontario, Canada - Remote About FirstPrinciples At FirstPrinciples, we're building Theo, the AI platform for R&D teams. By bringing together an organization's data, the world's research, and their choice of AI models and tools, we're creating a unified platform designed for verifiable scientific work. We're a small, ambitious team at an early stage of growth, tackling complex technical challenges and building something with the potential to meaningfully change how R&D teams work. We're looking for people who thrive in fast-paced environments, take ownership, adapt quickly, and aren't afraid to experiment. You'll have the opportunity to make a meaningful impact, work closely with talented people across disciplines, and help shape both our technology and the company as we grow. Why This Role Exists: We’re building a new category of AI products for scientific discovery, and how we explain, package, and distribute those products matters almost as much as what we build. At our stage, Marketing is full-cycle and can’t be cleanly divided into large-company functions like brand, product marketing, demand generation, or content and web. We need marketers who can move comfortably across the entire stack with the marketing objective in mind. This role exists to expand the range and execution capacity of our marketing team, with particular ownership over our website and paid growth channels. You’ll launch and optimize campaigns, build and improve web experiences, and contribute wherever else Marketing needs leverage - including product launches, landing pages, content, creative, analytics, and marketing operations. You’ll be a hands-on builder who can both think about what we should do and independently make it happen. What You’ll Do: - Plan, produce, and build digital experiences that clearly communicate complex technical products while continuously improving conversion, usability, and performance - Plan, launch, manage, and optimize paid acquisition campaigns across channels such as LinkedIn and Google - Develop campaign concepts, audiences, creative, landing pages, experiments, and measurement - ensuring paid media is more than simply buying ads - Own the design, iteration, and ongoing improvement of our website and landing pages, working directly in tools such as Webflow - Use analytics and funnel data to understand how researchers and organizations discover us, where they drop off, and what we should improve - Support product launches with positioning, messaging, web updates, campaign execution, enablement materials, and other go-to-market needs - Contribute to content across formats including website copy, blog posts, customer stories, announcements, emails, and campaign creative - Work fluidly across Marketing, Product, Sales, Research, and Design, picking up high-impact work even when it falls outside a narrowly defined marketing specialty Who You Are: - 5+ years as a versatile, hands-on marketer who’s worked in technology companies and enjoys working across multiple parts of the marketing stack - Strong in digital marketing, with meaningful experience building websites or landing pages and running paid acquisition campaigns - Comfortable working directly in web editing tools and able to turn a rough idea, message, or wireframe into a polished live experience - Experienced with platforms such as Google Ads and LinkedIn Campaign Manager, including targeting, experimentation, optimization, and performance measurement - Strong visual and creative instincts, with the ability to judge and produce effective layouts, campaign creative, and digital experiences - A capable writer and communicator who can make complex or technical ideas understandable, compelling, and concise - Analytical enough to troubleshoot funnels, attribution, CAC, conversion rates, and experiment results without needing a dedicated analytics team - Comfortable in an early-stage environment where priorities change, functions overlap, and the best person for an important problem is often simply the person willing and able to own it What You’ll Get: - The opportunity to work on foundational problems at the intersection of AI and physics - A high-trust, low-bureaucracy environment with real ownership - Remote-first work with flexibility in how you structure your day - Exposure to cutting-edge ideas across AI, scientific discovery, and emerging technologies - A culture that values curiosity, depth of thinking, and first-principles reasoning - The chance to contribute to work aimed at advancing fundamental science

Location: Anywhere Workplace: Remote ABOUT FIRSTPRINCIPLES At FirstPrinciples, we're building Theo, the AI platform for R&D teams. By bringing together an organization's data, the world's research, and their choice of AI models and tools, we're creating a unified platform designed for verifiable scientific work. We're a small, ambitious team at an early stage of growth, tackling complex technical challenges and building something with the potential to meaningfully change how R&D teams work. We're looking for people who thrive in fast-paced environments, take ownership, adapt quickly, and aren't afraid to experiment. You'll have the opportunity to make a meaningful impact, work closely with talented people across disciplines, and help shape both our technology and the company as we grow. THE ROLE: We are seeking a Senior Engineering Manager to lead a team of four to six engineers building core capabilities for Theo and our scientific research platform. You will develop exceptional engineers, set technical direction, and turn ambitious research ideas into reliable systems. You will operate in a matrixed organization, bringing together specialists from engineering, AI research, physics, simulation, infrastructure, and product into multidisciplinary squads. A central part of the role is creating a tight feedback loop between research and engineering. You will help researchers and engineers shape solutions together, evolve promising prototypes collaboratively, and preserve scientific insight as experimental systems become robust, scalable products. This is a hands-on leadership role for someone comfortable moving between people development, architecture, execution, and frontier research. WHAT YOU’LL DO - Manage, coach, and develop a team of four to six engineers. - Form and lead multidisciplinary squads around clear scientific and product outcomes. - Translate open-ended research goals into technical strategies, milestones, and well-designed systems. - Partner closely with researchers and physicists from early exploration through implementation and production. - Create effective paths for researchers to contribute prototypes, algorithms, evaluations, and domain-specific code alongside engineers. - Help experimental systems mature without losing the ideas and assumptions that made them scientifically valuable. - Guide architecture, interfaces, technical standards, and major implementation decisions. - Establish clear ownership and decision-making across teams and reporting lines. - Balance research velocity with reliability, maintainability, reproducibility, security, and cost. - Build strong practices for testing, evaluation, observability, documentation, deployment, and operational ownership. - Stay close enough to the work to review designs, diagnose difficult problems, and contribute directly when it has high leverage. - Influence engineering strategy, hiring, organizational design, and technical culture beyond your immediate team. WHO YOU ARE: - Significant software engineering experience building complex systems. - Experience managing and developing high-performing engineers, with a demonstrated ability to raise the velocity and accountability of engineering teams in a sustainable fashion. - A bias for action and iterative delivery, while maintaining high technical standards. - Strong technical judgement across architecture, implementation, and production operations. - Strong execution judgement of knowing when to explore, when to decide, when to simplify, and when to push a team toward completion. - Experience leading cross-functional or matrixed teams without relying on direct authority. - A record of turning ambiguous ideas or prototypes into dependable capabilities. - The ability to build trust and shared language across engineering and research disciplines. - Scientific curiosity and the technical humility to learn from deep domain experts. - Strong communication, facilitation, and conflict-resolution skills. - A pragmatic, low-ego leadership style grounded in evidence and clear reasoning. - Comfort operating where the problem, solution, and path to delivery may all be uncertain. PARTICULARLY RELEVANT EXPERIENCE - AI, machine learning, agentic systems, simulation, scientific computing, or research infrastructure. - Model engineering, applications, cloud infrastructure, distributed systems, or developer platforms. - Moving research prototypes into scalable, maintainable products. - Designing systems where evaluation, provenance, reproducibility, or scientific validity matter. - Working with physicists, mathematicians, or other research-intensive teams. - Leading remote and globally distributed teams. WHY FIRSTPRINCIPLES You will help define how engineers, AI researchers, and physicists work together to build a new kind of scientific instrument—one capable of contributing to humanity’s understanding of the universe. Please submit a resume and cover letter describing your leadership experience, technical background, and interest in our mission. Include “Senior Engineering Manager” in your cover letter.

Location: Ontario, Canada - Remote; Anywhere About FirstPrinciples At FirstPrinciples, we're building Theo, the AI platform for R&D teams. By bringing together an organization's data, the world's research, and their choice of AI models and tools, we're creating a unified platform designed for verifiable scientific work. We're a small, ambitious team at an early stage of growth, tackling complex technical challenges and building something with the potential to meaningfully change how R&D teams work. We're looking for people who thrive in fast-paced environments, take ownership, adapt quickly, and aren't afraid to experiment. You'll have the opportunity to make a meaningful impact, work closely with talented people across disciplines, and help shape both our technology and the company as we grow.   Key Responsibilities: - Contribute to the design and coding of the AI Physicist, a closed-loop research engine, including the development of tools to support hypotheses generation, peer review, physics based simulations, validation against experimental data and self-revision, among other things.  - Write safe, testable code and set up automated unit tests to catch errors and apply lessons from recent research findings.  - Explore and integrate SOTA tools into existing platforms to enhance model capabilities. These tools can provide advanced analysis and insights, furthering the understanding of theoretical physics. - Add self-improvement features that pass automated checks before deployment. - Track runtime metrics and suggest optimizations that keep the project efficient and sustainable. - Develop custom tech solutions tailored to the specific needs of researchers. This may include developing algorithms, data analysis tools, or other software to accelerate research in specific areas of theoretical physics. - Apply knowledge of product development principles and practices to ensure that the tools developed are useful and effective for theoretical physicists worldwide. - Collaborate with stakeholders to define requirements, prioritize features, and ensure successful delivery. Qualifications: - Bachelor's or Master's degree in Computer Science, Engineering, or related field. - Experience with common software architecture patterns and best practices. - Proven experience with web development and API integrations is essential. - Excellent programming skills are a must. - Proficiency in gen AI tools and their applications (e.g., ChatGPT, AlphaCode, Claude) is necessary. - Strong communication skills are crucial to articulate technical concepts to non-technical stakeholders. - Ability to work independently and collaboratively in a fast-paced environment. - Knowledge of theoretical physics or a strong interest in the field is a plus. - Familiarity with cloud technologies and infrastructure is a plus. - A passion for advancing knowledge and science advocacy is highly desirable. Application Process: - Interested candidates are invited to submit their resume, a cover letter detailing their qualifications and vision for the role, and references. Please include “Member of Technical Staff, Engineering" in the cover letter. Join us at FirstPrinciples and be a part of a transformative journey where science drives progress and unlocks the potential of humanity.