1 to 25 of 168 Open Source Jobs in London

Platform Transformation Contribute to the design and evolution of a petabyte-scale cyber data platform Support a major replatforming initiative from Databricks to an open-source-based architecture Ensure solutions are scalable, resilient, and aligned to future state architecture Technology Evaluation & Standardisation Evaluate open-source technologies … Facilitate design forums and influence stakeholders without direct authority Key Focus Areas of the Role The role spans three core areas: Data platform replatforming (open-source big data ecosystem) Solution design for custom cybersecurity products Stakeholder engagement across architecture and governance functions Skills & Experience Required Core Technical Skills ...

real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale. With $125M raised at Series … contributions can shape how this technology shows up in the real world. Today, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. We have 100M+ monthly open ...

complexity into fun. About Tiptap Chances are high that you've already used Tiptap without knowing it in one of the apps you have open daily. With 37k GitHub stars and over 45M npm downloads per month, Tiptap is the most popular open-source editor framework worldwide … build, every prospect you unblock turns into revenue, into products our customers ship, and into the signal that shapes our roadmap. Our Core Values Open Source: We believe in the power of open source and community collaboration. Transparency: We share knowledge openly. Autonomy and Impact: Your ...

Mindset: Experience building or managing CI/CD pipelines for foundational software. You believe that "toil" is a bug and automation is the feature Open Source Pedigree: A proven track record of engaging with the open-source community. You understand the nuances of upstreaming … high-performing team of kernel and systems engineers, fostering a culture of "collaboration-first" and continuous knowledge sharing both internally and with the global open-source community Own the OS Lifecycle: Oversee the end-to-end delivery of the Linux Kernel and core OS components. Your goal ...

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 … 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. Purpose of the role Proton continues to grow rapidly as increasing numbers of people across the globe seek greater privacy controls ...

experience today and work with Product Owners to deliver progress in high impact areas. Additionally, this role will focus on enabling the use of open-source programming languages and tooling. About the Role Major accountabilities: Develop and maintain R packages that enable clinical trial team through supporting data … best practices for data science and software development. Documentation of tools and processes to support modernization in an inclusive manner. Appetite to engage in open-source communities to collaborate in external settings. Minimum requirement: MSc in a quantitative/computational science or eqivalent Experience as an R developer ...

generalist role. You'll be the go-to expert for Amazon SNS, Amazon SQS, Amazon MQ, and the broader messaging ecosystem including open-source technologies like RabbitMQ, Apache ActiveMQ, and MQTT-based architectures. You'll guide customers through trade-offs between managed services and self-managed alternatives, helping … leadership in the messaging space - Collaborate with account teams and other specialists to identify messaging-related opportunities and accelerate customer adoption - Engage with the open-source community and help customers understand when managed services vs. self-hosted solutions best fit their needs About the team ### Diverse Experiences ...

London, you'll be the founding leader of a team working on two products: Hegel , our property-based testing library family, and Bombadil , our open-source browser testing product. This isn't a "manage the roadmap and attend standups" kind of role — you'll be in the code … London team — hire exceptional engineers, onboard them well, and create the kind of environment where they do the best work of their careers. Foster Open Source Communities – Further our OSS testing frameworks by interacting with the community to build sustainable and rich relationships between Antithesis, our users ...

High Daily Rate We are seeking an experienced Linux Kernel Engineer with a proven track record of contributing to the Linux mainline through upstream open-source development. This is a unique opportunity to join one of the world's leading semiconductor organisations, working at the forefront of embedded … Doing Developing and enhancing Linux kernel functionality for cutting-edge semiconductor technologies. Contributing code directly to the Linux mainline and engaging with the upstream open-source community. Working closely with platform, firmware, and hardware engineering teams to deliver high-performance solutions. Driving kernel optimisation, debugging, and feature development ...

curious and open-minded individual with an interest in conducting state-of-the-art foundational machine learning research? Thomson Reuters Labs is seeking Research Scientists with a passion for building complex agent-based AI systems in a data-rich, complex academic environment driven by real-world problems. Foundational Research … model training. Extensive experience working on agent-based systems, tool-using AI, or multi-agent coordination in LLM contexts (e.g. startup, industry, or extensive open-source experience). Strong software and/or infrastructure engineering skills and ensuring well-managed software delivery, as evidenced by code contributions ...

curious and open-minded individual with an interest in conducting state-of-the-art foundational machine learning research? Thomson Reuters Labs is seeking Research Scientists with a passion for building complex agent-based AI systems in a data-rich, complex academic environment driven by real-world problems. Foundational Research … model training. Extensive experience working on agent‐based systems, tool‐using AI, or multi‐agent coordination in LLM contexts (e.g., startup, industry, or extensive open‐source experience). Strong software and/or infrastructure engineering skills and ensuring well‐managed software delivery, as evidenced by code contributions ...

distributed systems, data pipelines, and platform architecture. Establish CI/CD pipelines, Infrastructure as Code, automated testing, and deployment practices. Evaluate and integrate open-source technologies and distributed data frameworks. Mentor engineers and promote engineering excellence across the team. Work closely with architecture, product, security, and external stakeholders. … secure data access models. Exposure to event-driven architectures and streaming technologies such as Kafka, Flink, or Spark Streaming. Experience evaluating or contributing to open-source technologies. ...

candidate will have come from a strong technical background, and have an understanding of attack vectors for high threat environments, across both proprietary and open-source technology stacks. You will advise and enable technical teams to make security decisions and provide advice and guidance, ensuring the effective … programmes, projects or a product-centric organisation. You will have a good understanding of a broad range of industry-standard technologies, both proprietary and open source, across a diverse range of Microsoft and Linux-based deployments, across physical, virtual and containerised compute. You will have experience in securing ...

efficiently unblocking them with direction, leading upward, and establishing alignment Raise the profile of MS Tech through public content and contribution/creation into open-source technology Support recruitment, onboarding and internal and external brand outreach activities Tech Stack M&S uses a variety of technologies across … technical Desirable experience Previous software engineering community leadership experience Professional presentation delivery at internal and external events An ambition to be an open-source contributor, technology writer or speaker Advocate and experience of Continuous Integration and Continuous Delivery Advanced experience of DevOps: you build ...

solutions at enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of cloud, open source and proprietary technologies to achieve the best possible outcome for our clients. We have world class architecture and software engineering communities … hyperscaler frameworks and design methodology (e.g. C4, Domain Driven Design & TOGAF/SAFe). (Desired, but not essential) Exposure/hands-on experience of open source technologies and development frameworks (e.g. Spring, ReactJS, NodeJS). Experience designing DevOps enabled platforms using containerisation technologies: Docker or Kubernetes ...

operated Kubernetes in production at genuine scale within a fast-moving startup or scale-up environment. Non-Negotiables Kubernetes (K8s) AWS Terraform Open-source observability – (Grafana, Prometheus, Loki, or equivalent at scale Startup, scale-up or fast-growth background What You'll Work With AWS Kubernetes Terraform & Terragrunt … Open-source observability (Grafana, Prometheus, Loki, Sentry) GitHub & Jenkins Redis ML/AI workflow pipelines Nice to Haves GCP - minor secondary cloud exposure Distributed tracing at scale Edge architecture or CDN delivery experience Why Join/Projects The team is at a real inflection point technically. Three substantial ...

monitors, including chain‐of‐thought reasoning, structured outputs, and multi‐step verification Future projects (likely not in the first 6 months) Fine‐tune smaller open‐source models to create efficient, specialized monitors for high‐volume production environments Design and build agentic monitoring systems that autonomously investigate logs … based on empirical findings (e.g., prompting, scaffolding, agent design, fine‐tuning, or RL). Strong Python programming skills Demonstrated ability to work independently on open‐ended research problems Bonus Experience with AI evaluation frameworks, in particular Inspect (though other frameworks are relevant as well) Familiarity with AI safety concepts ...

monitors, including chain-of-thought reasoning, structured outputs, and multi-step verification Future projects (likely not in the first 6 months) Fine-tune smaller open-source models to create efficient, specialized monitors for high-volume production environments Design and build agentic monitoring systems that autonomously investigate logs … based on empirical findings (e.g., prompting, scaffolding, agent design, fine-tuning, or RL). Strong Python programming skills Demonstrated ability to work independently on open-ended research problems Bonus: Experience with AI evaluation frameworks, in particular Inspect (though other frameworks are relevant as well) Familiarity with AI safety concepts ...

Namespace-as-a-Service Kubernetes platform that offers isolated environments and on-demand infrastructure such as databases, caching and deployment tooling. Our approach is open source first, using CNCF projects including Cilium, Kyverno and Karpenter as core cluster add‐ons. We enable teams to deliver and scale applications … experience operating and engineering services on Kubernetes. Experience building or leading an Internal Developer Platform. Visible presence in the cloud native community through open source contributions, community engagement or conference speaking. Confident reviewing pull requests in Python and Golang. Strong object‐oriented programming skills. Experience leading globally distributed ...

Experience with asynchronous programming and concurrency primitives Experience building and shipping AI products end-to-end (at a startup, on a side project, in open source, or at scale in a larger company). Comfort working across the stack - frontend, backend, infrastructure. You are everywhere. Ability to work … technical stakeholders to scope, negotiate, and deliver solutions. A track record that shows drive: maybe you’ve launched something on your own, contributed to open source, or taken ownership of hairy projects others avoided. Bonus if you have: Early-stage startup experience, especially in AI, voice platforms ...

What You'll Do As a Computer Vision Engineer at Ultralytics, you will be at the forefront of developing and refining our world-class, open-source AI models. You will drive the entire lifecycle of our models, from research to real-world deployment. Key responsibilities include: Developing, training … Excellent problem-solving skills and the ability to perform in a fast-paced, high-intensity environment. A strong portfolio of projects or contributions to open-source AI repositories. 🌟 Cultural Fit - Intensity Required Ultralytics is a high-performance environment for world-class talent obsessed with achieving extraordinary results. ...

complex executive risk assessments, by integrating and providing intelligence across cyber/online threats, credible threats, and persons of interest (POI), with analysis of open-source content, deep and dark web activity, social network exposure, and availability of personal and behavioural information to produce actionable insights that inform … executive digital risk, and coordinated responses across the Bank's PS Programme Skills and Experience • Intelligence Analysis • Data Querying and Analysis • Social Media and Open Source Intelligence • General Cyber Security Awareness Our ideal candidate: • 4+ years of experience in cyber threat intelligence, protective intelligence, corporate security intelligence ...

Machine Learning team in Corporate and Investment Banking is transforming the operations of the world’s largest bank by leveraging the latest advancements in open source artificial intelligence and proprietary frontier models. To facilitate rapid growth, the team is focusing expertise in key "Domains" that are crucial … Domains. We seek an team member with a strong foundation in artificial intelligence and software engineering, who has made significant contributions to open source projects and/or led the development and maintenance of AI systems vital to business operations. As an Applied AI ML Director within ...

time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise needs, whether on-premises … Have applied ML methods to simulation or surrogate modelling Have experience automating large-scale simulation campaigns on HPC clusters Have contributed to a large open-source or industry codebase Have publications in engineering or ML venues (NeurIPS, ICLR, etc.) Love improving existing code by fixing typing issues, adding ...

content ef fectiveness.Experiment with new formats, channels, and distribution strategies. Engage with the Develo per CommunityStay connected to conversations within AI, developer tooling, and open-source communities.Help shape how the company is perceived by engineers and technical dec ision-makers. What We’ re Looking For Essen tial ExperienceStrong … developer tools, cloud, infrastructure, SaaS, or AI-focuse d organisations.Experience creating content that has generated significant engagement or measurable bu siness outcomes.Contributions to open-source projects or communities.Confidence presenting on video, webinars, demos, or c onference talks.Entrepreneurial mindset with experience building products, side projec ts, or startups. ...