76 to 100 of 626 Remote Open Source Jobs

Founded in 2023, the company has already secured significant early-stage funding, including a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, Generative AI, and reinforcement … or equivalent experience 5+ years of experience working with cross-functional software development teams Experience shipping and iterating on production-grade software components professionally and/or in the open-source community Ability to write robust, well tested, and well-designed code that frequently gets deployed to users Strong understanding of product development and navigating large codebases Located … in London/Paris and open to working in office Tech Stack: Python FastAPI Typescript + React Open source LLMs On premise deployments Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months fully paid parental leave 25 days holiday + bonus days for company closure Subsidised lunches More ❯

observability into core engineering workflows. Design and build developer-friendly tooling and APIs to support incident response, performance analysis, and platform debugging at scale. Leverage (and optionally contribute to) open-source standards like OpenTelemetry to ensure interoperability and extensibility. Champion a pragmatic approach to observability-balancing performance, cost, and user value across diverse engineering teams. Qualifications Twilio values … abstractions. Ability to make forward-looking technical decisions and lead others through ambiguity. Familiarity with ClickHouse, Grafana Loki, Athena, or equivalent systems for log and metrics querying. Contributions to open-source observability tools or communities. Experience building cost visibility or FinOps tooling for cloud compute and telemetry pipelines. Location This role will be based in our Dublin, Ireland … who embody our Twilio Magic values and empower employees to build positive change in their communities. If this role isn't what you're looking for, please consider other open positions. Equal Opportunity Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health More ❯

ideal candidate is someone with passion for web development, a with a particular focus on front end design; ideally, you should have previous experience with data visualization, contributed to open source projects, and/or show a strong track record of personal software projects. However, as a full stack role, you are also expected to be familiar with … testing, deployments, observability. Strong written and spoken English. Desirable Skills Working knowledge of the following: Data visualization libraries like D3js Microservices Monorepo/turborepo architecture Docker Past experience with open source projects. Past experience in community engagement projects. Familiarity with Scrum/Agile software development practices. Our Offer £65,000 and share options in our startup Company issued More ❯

infrastructure. This role is responsible for architecting and managing robust, scalable, and secure data environments using technologies like DB2, PostgreSQL, AWS (Aurora Postgres, Glue, Lambda, Redshift, Athena, S3), and open-source databases. The ideal candidate will demonstrate expertise in data engineering, architecture, and administration, leading innovation and best practices across the organization. Responsibilities Key Responsibilities: Architect, implement, containerize … Aurora Postgres, Glue, Lambda, Redshift, Athena, S3, and Pyspark, leveraging Terraform for infrastructure as code. Hands-on experience with database administration and design for DB2, PostgreSQL, MySQL, and other open-source databases. Ensure strict adherence to organizational data management and governance policies (e.g., State Farm standards), promoting data security, integrity, and compliance. Identify and evaluate critical and emerging More ❯

Go Developer Location: London Bridge Hybrid: 1x every fortnight We are working with a small, technical team based in London Bridge to build innovative solutions, working with cutting-edge, open-source platform frameworks. As a Senior Go Developer, you will work on complex distributed systems, shaping modern development, contributing to product design and working closely with customers to … improving engineering efficiency Experience in working in Agile environments London Bridge, Hybrid (1 day in office every 2 weeks) Salary (£90-120k DOE) Culture: Forward thinking, engineering-led, open-source focused. Apply now for more information. More ❯

Go Developer Location: London Bridge Hybrid: 1x every fortnight We are working with a small, technical team based in London Bridge to build innovative solutions, working with cutting-edge, open-source platform frameworks. As a Senior Go Developer, you will work on complex distributed systems, shaping modern development, contributing to product design and working closely with customers to … improving engineering efficiency Experience in working in Agile environments London Bridge, Hybrid (1 day in office every 2 weeks) Salary (£90-120k DOE) Culture: Forward thinking, engineering-led, open-source focused. Apply now for more information. More ❯

experience for both small projects and large monorepos. Stay abreast of industry trends and advancements in CI/CD technologies, bringing innovative ideas to the team. Engage with the open-source community, participate in discussions, and contribute to related projects, aligning with Vercel's commitment to giving back to the developer community. Write clean, efficient, tested, and well … If You: Are a React or Next.js expert. Have worked to develop a CI/CD platform for other developers to use. Have experience contributing to, or participating in open source projects. Benefits: Competitive compensation package, including equity. Inclusive Healthcare Package. Learn and Grow - we provide mentorship and send you to events that help you build your network More ❯

use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building meaningful missions. More ❯

use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building meaningful missions. More ❯

use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation they’re building meaningful More ❯

use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation they’re building meaningful More ❯

responsibilities Define and champion the technical strategy for services, ensuring alignment with user needs and business goals Lead technical specialists across multiple projects, solving architectural challenges. Design and assure open-source, user-centred systems in agile environments. Own the technical design and evolution of services, including integration and interoperability. Provide technical governance and present designs to boards such … governance boards and ensuring alignment with standards. Previous or current experience developing web services using Python/Django and/or NodeJS/React with knowledge of cloud technologies, open-source technologies and secure system design. Proven leadership in guiding technical teams, delivering user-focused services in agile environments and communicating complex concepts to varied stakeholders. Desirable skills More ❯

responsibilities Define and champion the technical strategy for services, ensuring alignment with user needs and business goals Lead technical specialists across multiple projects, solving architectural challenges. Design and assure open-source, user-centred systems in agile environments. Own the technical design and evolution of services, including integration and interoperability. Provide technical governance and present designs to boards such … governance boards and ensuring alignment with standards. Previous or current experience developing web services using Python/Django and/or NodeJS/React with knowledge of cloud technologies, open-source technologies and secure system design. Proven leadership in guiding technical teams, delivering user-focused services in agile environments and communicating complex concepts to varied stakeholders. Desirable skills More ❯

responsibilities Define and champion the technical strategy for services, ensuring alignment with user needs and business goals Lead technical specialists across multiple projects, solving architectural challenges. Design and assure open-source, user-centred systems in agile environments. Own the technical design and evolution of services, including integration and interoperability. Provide technical governance and present designs to boards such … governance boards and ensuring alignment with standards. Previous or current experience developing web services using Python/Django and/or NodeJS/React with knowledge of cloud technologies, open-source technologies and secure system design. Proven leadership in guiding technical teams, delivering user-focused services in agile environments and communicating complex concepts to varied stakeholders. Desirable skills More ❯

responsibilities Define and champion the technical strategy for services, ensuring alignment with user needs and business goals Lead technical specialists across multiple projects, solving architectural challenges. Design and assure open-source, user-centred systems in agile environments. Own the technical design and evolution of services, including integration and interoperability. Provide technical governance and present designs to boards such … governance boards and ensuring alignment with standards. Previous or current experience developing web services using Python/Django and/or NodeJS/React with knowledge of cloud technologies, open-source technologies and secure system design. Proven leadership in guiding technical teams, delivering user-focused services in agile environments and communicating complex concepts to varied stakeholders. Desirable skills More ❯

responsibilities Define and champion the technical strategy for services, ensuring alignment with user needs and business goals Lead technical specialists across multiple projects, solving architectural challenges. Design and assure open-source, user-centred systems in agile environments. Own the technical design and evolution of services, including integration and interoperability. Provide technical governance and present designs to boards such … governance boards and ensuring alignment with standards. Previous or current experience developing web services using Python/Django and/or NodeJS/React with knowledge of cloud technologies, open-source technologies and secure system design. Proven leadership in guiding technical teams, delivering user-focused services in agile environments and communicating complex concepts to varied stakeholders. Desirable skills More ❯

fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since … structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our open-source projects here ! Role overview As a fullstack cross-platform Senior Android Engineer, you'll play a pivotal role in developing Proton Pass using Jetpack Compose and Rust. … meetings Work that Matters: Proton is a community-first organisation, started with the support of a crowdfunding campaign and built with community input - to this day, Proton's only source of revenue is user subscriptions: over 100 million people trust and support Proton, and we put our users and community first in everything we do (read more about our More ❯

the mission, using large language models (LLMs) to automate complex systems and empower engineering teams worldwide. This is your chance to work with cutting-edge transformer architectures and essential open-source tools to solve core infrastructure challenges at a massive scale. As a key member of the team, you'll take full ownership of designing and scaling advanced … and researchers dedicated to responsible, scalable AI. Your growth is supported with dedicated research time, a flexible hybrid model, and the opportunity to advance the field through publications and open-source contributions. If you're driven to build AI that delivers tangible value, this is the role for you. What You'll Do Conduct advanced research and implement More ❯

CommonAI to deliver on that. We are backed by VC giant Anthemis, our founders have been behind the companies like Arm, Raspberry Pi, and LowRISC that put the first open-source semiconductor chip into a high-volume consumer product. This is an opportunity to join a fast-growing company in AI and cloud computing that is bringing together … front-end and back-end technologies. The engineer will collaborate with cross-functional teams to design, develop, and implement cloud infrastructure solutions. What you’ll do · Work with existing open-source products to build our platform, modifying code where necessary. · Define infrastructure as code to build, deploy and troubleshoot our multi-cloud platform. · Work within secure frameworks, following More ❯

CommonAI to deliver on that. We are backed by VC giant Anthemis, our founders have been behind the companies like Arm, Raspberry Pi, and LowRISC that put the first open-source semiconductor chip into a high-volume consumer product. This is an opportunity to join a fast-growing company in AI and cloud computing that is bringing together … front-end and back-end technologies. The engineer will collaborate with cross-functional teams to design, develop, and implement cloud infrastructure solutions. What you’ll do · Work with existing open-source products to build our platform, modifying code where necessary. · Define infrastructure as code to build, deploy and troubleshoot our multi-cloud platform. · Work within secure frameworks, following More ❯

work ensures our models are not only intelligent, but also safe, trustworthy, and impactful at scale. What You'll Do Fine-tune & adapt - Use LoRA/QLoRA to optimize open-source models (LLaMA, Mistral, Gemma) Engineer prompts & curates data - Craft prompts and datasets that reflect tone, brand voice, and safety. Evaluate models - Build metrics pipelines for perplexity, toxicity … in algorithms, data structures, and clean code practices. Nice to Have Prior work in text generation, moderation, or personalization. Experience with RLHF or reinforcement learning in LLMs. Contributions to open-source ML projects. What You'll Get Flat structure & real ownership Full involvement in direction and consensus decision making Flexibility in work arrangement High-impact role with visibility More ❯

work ensures our models are not only intelligent, but also safe, trustworthy, and impactful at scale. What You'll Do Fine-tune & adapt - Use LoRA/QLoRA to optimize open-source models (LLaMA, Mistral, Gemma) Engineer prompts & curates data - Craft prompts and datasets that reflect tone, brand voice, and safety. Evaluate models - Build metrics pipelines for perplexity, toxicity … in algorithms, data structures, and clean code practices. Nice to Have Prior work in text generation, moderation, or personalization. Experience with RLHF or reinforcement learning in LLMs. Contributions to open-source ML projects. What You'll Get Flat structure & real ownership Full involvement in direction and consensus decision making Flexibility in work arrangement High-impact role with visibility More ❯

work ensures our models are not only intelligent, but also safe, trustworthy, and impactful at scale. What You'll Do Fine-tune & adapt - Use LoRA/QLoRA to optimize open-source models (LLaMA, Mistral, Gemma) Engineer prompts & curates data - Craft prompts and datasets that reflect tone, brand voice, and safety. Evaluate models - Build metrics pipelines for perplexity, toxicity … in algorithms, data structures, and clean code practices. Nice to Have Prior work in text generation, moderation, or personalization. Experience with RLHF or reinforcement learning in LLMs. Contributions to open-source ML projects. What You'll Get Flat structure & real ownership Full involvement in direction and consensus decision making Flexibility in work arrangement High-impact role with visibility More ❯

architectures. Be able to describe the structure and behaviour of the technology platform that underpins user applications and understand on-premise, Cloud hosting and end-user compute Knowledge of open source, open standards and cloud technologies An understanding of architectural concepts, methodologies and approaches Knowledge and demonstrable experience of both traditional and agile delivery methods Effectively explain More ❯

CommonAI to deliver on that. We are backed by VC giant Anthemis, our founders have been behind the companies like Arm, Raspberry Pi, and LowRISC that put the first open-source semiconductor chip into a high-volume consumer product. This is an opportunity to join a fast-growing company in AI and cloud computing that is bringing together … to design, develop, and implement cloud infrastructure solutions. You will be responsible for ensuring that our platform is scalable, secure and resilient. What you’ll do · Work with existing open-source products to build our platform, modifying code where necessary. · Define infrastructure as code to build, deploy and troubleshoot our multi-cloud platform. · Work within secure frameworks, following More ❯