1 to 25 of 91 Open Source Jobs in London

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 ...

quality insights, and building tools that support better decisions across the NHS. We value modern ways of working, including transparency, reproducibility, agile delivery, and open-source tools. As a Band 7 Data scientist (Data Wrangler), you'll collaborate with multidisciplinary teams, developing advanced data science methods, building data … enable good use of data science.o Champion adoption of modern ways of working to deliver analytical products (such as transparency, reproducibility, adoption of open-source tools, agile project management)o Communicate analytical insight in an engaging and impactful wayo Working in multi-disciplinary teams across NHSE to inject ...

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 ...

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 ...

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 ...

make and document key technical decisions Promote secure-by-design principles across all aspects of platform development Establish and maintain core engineering tooling, including source control, CI/CD pipelines, infrastructure-as-code, and automated testing frameworks Platform Engineering Design and implement identity and access management solutions with robust … workflow, and operational capabilities to support governance and compliance requirements Implement networking, monitoring, and security controls for highly secure environments Evaluate and integrate appropriate open-source technologies and third-party components Contribute to the design and delivery of scalable, resilient, and maintainable distributed systems Collaboration & Team Development ...

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 ...

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 ...

days a week and remote x2 days a week. Skills required for the role: Looking for a security architect who has worked in open-source code environment – i.e. analysing and securing risks from open-source code in the application ecosystem. Specifically with Python and R. ...

seeking a Director, Sales - Europe to spearhead revenue growth across the continent. This role demands a seasoned sales leader who understands the complexities of open-source technology, cloud, and enterprise environments. The successful candidate will lead a regional sales organization while defining sales strategies and driving growth ...

Contribute to the practice development through thought leadership and development of innovative services and offerings. We expect you to have: Strong working knowledge of open source, open standards and cloud technologies. Good understanding of architectural concepts, methodologies and approaches. Excellent working knowledge of design patterns and modelling ...

SDOs) where alignment is needed to advance Cisco’s product and technology vision. Pursue leadership roles in external standards and coordination as applicable with open‐source organizations of strategic importance to Cisco. Help shape direction in key existing SDOs and support the development of new standards and open‐source initiatives needed by the industry. Work with industry partners through existing organizations and new relationships to build initiatives important to Cisco’s future business. Support standards strategy development across Cisco’s businesses especially focusing on cross‐BE areas. Evangelize Cisco’s standards work with account teams ...

capabilities needed to welcome a billion customers. About the Team Backstage was created at Spotify and has grown into a leading SaaS and open source platform for developer portals. Thousands of companies use Backstage to bring structure to complex microservices environments, improve developer experience, and ship high-quality … software faster – including in the age of AI – without losing autonomy or control. Backstage powers centralized software catalogs, standards, and AI enablement capabilities across open source, plugins, and SaaS offerings. Our customers include global enterprises and Fortune 100 companies transforming their engineering culture. This role leads marketing ...

strategic partnerships with customers, vendors, and partners. Developing IP Strategies: Taking ownership of the company's IP strategy, including trademarks, patents, licensing, and open-source compliance. Data Privacy Compliance: Advising on data privacy and data protection regulations across multiple jurisdictions, including the US (CCPA, CPRA, HIPAA), EU (GDPR … CCPA, CPRA, HIPAA, GDPR, and other international regulations. Expertise in managing commercial tech transactions, including B2B licensing, SaaS agreements, and strategic partnerships. Familiarity with open-source licensing models and compliance. A proven ability to advise on product development while ensuring data protection compliance. Exceptional drafting, communication, and collaboration ...

platforms.* Familiarity with event-driven architectures, message queues (Kafka, SQS, RabbitMQ), and microservices patterns.* Experience with advanced AI/ML engineering, including fine-tuning open-source models, building evaluation frameworks for LLM outputs, or designing guardrails for enterprise AI deployments.* Experience with Citi Velocity, Citi Direct, or similar ...

workflows. A Sr. Compute Platform Engineer should be deeply familiar with the tools of their specialization and of their customers and engaged with the open-source community surrounding them - potentially, even to the level of contributing pull requests. Key Responsibilities: Designs, builds, and operates tools, services, workflows … development environments using tools like Jira and Confluence Deep familiarity with the tools, techniques, optimizations in high-performance applications space, including engagement with the opensource community (and potentially making contributions to such tools) #GSKOnyx #LI-GSK Why GSK? Uniting science, technology and talent to get ahead of disease together. ...

case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) Other Stuff NB: Please only apply if you have resided ...

case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) Other Stuff NB: Please only apply if you have resided ...

skills in web front end technologies such as HTML, CSS, Bootstrap Golang Spring Boot Docker Kubernetes Atlassian Build tools: Maven, Gradle, Ant Familiar with source control systems, such as GIT, including branching, merging, etc. Testing: TDD, unit testing, JUnit, Mockito, Cypress Good knowledge of relational databases such as MySQL … scripts, store procedures Shift to the left: Functional test automation (API testing, UI testing [cucumber, nightwatch]) Nice to have skills: AWS Knowledge of Open Source BPMN workflow engines (Camunda, Activiti or Flowable) Experience on a front-end javascript framework such as react, angular or vue.js RedHat OpenShift ...

specialists. The successful candidate will meet all of the following essential criteria: Demonstrable experience in designing large scale cloud migration projects/programmes with open source and commercial software within AWS, Azure, GCP or hybrid Experience in operating within a multi-disciplined team and clearly communicating complex technology … Understanding of NCSC Cloud Security Principles and its practical implementations Aker Systems Attributes At Aker we work as a team, we are collaborative, hardworking, open, and delivery obsessed. There is no blame culture here: try things, and take responsibility for the outcomes. You are always part of the wider ...

high‐performance networking (EFA, RDMA, InfiniBand) for distributed ML workloads Demonstrated ownership of production reliability for high‐throughput, latency‐sensitive systems Contributions to relevant open‐source projects (Kubernetes, Linux kernel, container runtimes, etc.) Skill in quickly understanding systems design tradeoffs and keeping track of rapidly evolving software systems ...

distributed systems, transaction management and telemetry pipelines - Understands how state is managed across multiple systems, how rollbacks occur, compensation patterns, fallback handling TMF Open API - Customisation and extension of schemas (extension knowledge is critical) - Understands their role in inter-component integration, how to change schemas, sync and async patterns … Deep understanding of TMF SID (Product/Service domains) and TMF Open APIs used across BSS/OSS HIGHLY DESIRABLE Cloud Services & Observability - Experience designing for multi-cloud, hybrid and on-prem environments - Skilled in cloud-native patterns (PaaS, SaaS, serverless, containers, orchestration) - Cloud platforms (AWS or GCP): commonly ...

DDaT standards. Lead technical specialists across multiple projects, solving complex architectural challenges and owning the technical design of services. Design and assure secure, open-source and user-centred systems, including integration, interoperability, cloud quality, security and performance. Provide technical governance, present designs to boards such as the Technical ...