1 to 25 of 165 Open Source Jobs in London

Remote Mesa/Graphics Software Developer (Remote/Anywhere)

Hiring Organisation
Collabora
Location
London, UK
looking for a passionate and enthusiastic open-source software developer, with contributions to the Mesa 3D Graphics Library, to join our ever growing geographically-distributed Graphics domain team. The Graphics domain team is contributing to the entire Linux Graphics stack from the Linux kernel up to the Graphics … toolkits including but not limited to DRI and kernel-mode graphics drivers, Wayland/Weston, OpenGL, Vulkan, OpenGL/EGL and other open-source Graphics drivers within the Mesa 3D Graphics Library for different customers’ projects in various market verticals. \n Key Responsibilites Discussing technology with clients ...

Remote Open Source Software Developer (Speculative; Remote/Anywhere)

Hiring Organisation
Collabora
Location
London, UK
application.\n Key Responsibilities Discussing technology with clients and represent Collabora at conferences and trade shows to demonstrate and promote our leadership in the open source arena Analysing client problems and designing solutions leveraging open source technologies and Collabora's technical expertise Defining and scoping client … projects in collaboration with the delivery team Contributing publicly to open source projects to ensure Collabora's continuing technical leadership Gain working knowledge of customers’ products, applications, technical and business strengths and target markets Understanding client needs and reconciling time constraints, available technologies and resources, and open ...

Remote Open Source Analyst - Violent Extremist Organisations - Pakistan Specialist

Hiring Organisation
Centre For Information Resilience
Location
London, UK
Centre for Information Resilience (CIR) is an independent organisation dedicated to exposing human rights violations and threats to democracy. We achieve this through open source research, digital investigations, capacity-building with local partners, and collaboration with media to amplify our impact. CIR was born out of a determination … proficiency in both Pashto and Urdu languages. Closing date: Tuesday 19th May 2026 at 23:55pm. About the project The OSINT Investigator utilises their open-source intelligence (OSINT) investigation skills to conduct research and analysis of open-source information in support of CIR’s Terrorism research ...

Senior Software Engineer Agent & Datapath (eBPF) - Isovalent

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Isovalent, now part of Cisco, is the company founded by the creators of Cilium and eBPF. Cisco Isovalent builds open-source software and enterprise solutions solving networking, security, and observability needs for modern cloud native infrastructure. The flagship technology, Cilium, is the choice of numerous, industry-leading, global … eBPF. What you'll do Developing high-quality golang and eBPF code for the Cilium OSS/Enterprise and golang ebpf library, while following open source development principles and best practices Technical guidance and mentorship Active participation in the open-source community Possibility to speak ...

Senior Software Engineer, Docker Agents (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Docker containers are the perfect vehicle to host and run AI agents—providing isolation, portability, and reproducibility. You’ll be working on cagent, our opensource project (https://github.com/docker/cagent), and expanding on it to enable developers to build, deploy, and scale intelligent … implement systems that leverage Docker containers as the ideal runtime for AI agents, ensuring isolation, scalability, and portability Expand cagent: Maintain and evolve the opensource cagent project, adding new capabilities for containerized agent deployment and orchestration Agent Runtime Development: Build robust infrastructure for packaging, deploying, and managing ...

Senior Software Engineer - MSX Compute Workflows

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
write React/TypeScript as part of shipping complete features, though it's not the primary focus of the role. Our Stack (100% Open Source) Backend: Golang, Python Infrastructure & Orchestration: Docker, Kubernetes, Airflow, Salt, Ansible, Chef Data: PostgreSQL, Redis, Kafka API: REST, GraphQL Frontend: React with TypeScript What … evolves its compute infrastructure — and how that infrastructure becomes the foundation for services, containers, and cloud workloads as Bloomberg's platform strategy advances. Our open source commitment Bloomberg is deeply invested in open source. We've spent over a decade building critical infrastructure with open source ...

Senior Software Engineer - MSX Compute Workflows

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
write React/TypeScript as part of shipping complete features, though it's not the primary focus of the role. Our Stack (100% Open Source) Backend: Golang, Python Infrastructure & Orchestration: Docker, Kubernetes, Airflow, Salt, Ansible, Chef Data: PostgreSQL, Redis, Kafka API: REST, GraphQL Frontend: React with TypeScript What … compute infrastructure — and how that infrastructure becomes the foundation for services, containers, and cloud workloads as the company's platform strategy advances. Our open source commitment the company is deeply invested in open source. We've spent over a decade building critical infrastructure with open source ...

Data scientist (Data Wrangler)

Hiring Organisation
NHS England
Location
Leeds / London, LS1 4AP, United Kingdom
Salary
£49387.00 to £56515.00
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 ...

Sales Engineer

Hiring Organisation
Tiptap
Location
City of London, London, United Kingdom
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 ...

Europe Sales Director: Open-Source & Cloud Growth

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
seeking a Director, Sales - Europe to lead revenue growth across Europe. This executive role involves building a high-performing sales organization and monetizing open-source and cloud offerings. The ideal candidate will have over 10 years of B2B sales experience, including 5 years in sales leadership, and knowledge … open-source business models. The position offers a hybrid work environment in London with competitive compensation and benefits. #J-18808-Ljbffr ...

Linux Kernel Engineer

Hiring Organisation
X4 Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£50.00 - £70.00 per hour
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 ...

Security Architect

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750 per day
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 ...

Security Architect

Hiring Organisation
TXP Technology x People
Location
London, UK
Employment Type
Full-time
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 ...

Remote Senior Staff Machine Learning Scientist, Operations

Hiring Organisation
Monzo
Location
London, UK
levels, fostering a culture of continuous learning and innovation. Engage with the broader ML community, sharing knowledge through conferences, blog posts, and open-source contributions. We’d love to hear from you if... What we’re doing here at Monzo excites you! You have a proven track record … . Nice to haves: Track record of shaping ML strategy and system design in highly-scaling support or operational environments. Contributions to industry standards, open source software libraries, or public thought leadership in machine learning systems. The Interview Process: Our interview process involves 3 main stages. We promise ...

Principal AI Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Timeseries Forecasting models to solve complex enterprise business and planning challenges. Generative AI Architecture: Architect GenAI solutions, focusing on fine‐tuning proprietary and opensource Large Language Models (LLMs) via Transformer architectures for specialised enterprise data tasks. Next‐Gen Interfaces: Design and integrate Conversational AI and autonomous Agentic … analytics applications. Familiarity with Anaplan or similar enterprise planning platforms. Experience with A/B testing and experimentation frameworks for AI features. Contributions to opensource ML projects or research publications. Our Commitment to Diversity, Equity, Inclusion, and Belonging (DEIB) We believe at Anaplan that diversity, equity, inclusion ...

Senior Database Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
current estate includes Sybase (ASE, IQ & Rep), MS SQL, and Oracle. Expertise in Sybase and MS SQL is essential, while exposure to Oracle and open-source technologies is highly desirable. This is a hands‐on role for an experienced DBA who enjoys solving challenging problems, improving performance … scripting Scripting of DB snapshotting automation (leveraging REST APIs, Pure storage) Desirable: Experienced with Oracle technologies Good understanding of Kubernetes technology Knowledge of opensource technologies such as PostgreSQL, MySQL, MongoDB Project management experience Understanding of Intel Windows server technology (Windows 2022 administration) Basic understanding of current ...

Solutions Architect - Big Data and DevOps (f/m/d)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Stackable is an innovative technology company focused on delivering cutting-edge, opensource Big Data solutions for data lakehouses, data mesh, event processing and AI. We specialise in designing, deploying, and managing scalable datainfrastructures that empower businesses to harness the power of data effectively. Our core product, the Stackable Data Platform … looking for a skilled Solutions Architect with a strong background in Big Data to joinour team. The ideal candidate will have expertise in open source Big Data technologies and Kubernetes and DevOps practices . This role will be instrumental in designing, implementing, and optimizing cloud-based ...

Principal / Lead Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, UK
Employment Type
Full-time
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 ...

Principal / Lead Engineer

Hiring Organisation
Intec Select Ltd
Location
London, Billingsgate, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
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 ...

Machine Learning Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
highly complex and heterogeneous scientific data such as from nuclear magnetic resonance (NMR), deploying and productionizing these models internally and externally, contributing to open-source software, and large-scale data analysis, curation, and pipeline building. Key Responsibilities Develop innovative machine learning approaches to elucidate and quantify the interactions … time series Strong dev-ops skillset, with proficiency in model deployment, versioning, distributed architectures, and containerization Track record of completed scientific software projects or open-source project contributions Skills and Abilities Strong written and verbal communication skills, with the ability to communicate effectively with team members in diverse ...

Senior Rust Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 here ! The team: We are looking for experienced Rust Engineers to join us across the board. We are currently hiring ...

Senior Software Engineer – Property-Based Testing (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Open Source Pledge is seeking a developer for its London team to build Hegel, a new family of property-based testing libraries. You will work on open-source initiatives requiring proficiency in property-based testing and familiarity with languages like Python and Rust. The role emphasizes ...

Applied AI ML Director

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Senior/Staff Engineer - Hegel

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
role, on a team based in London, is responsible for building out Hegel, our new family of property-based testing libraries. We are building open source libraries to provide top quality property-based testing in every language, both for the benefit of the community at large, and because … languages. Expert-level in at least one language that you would be keen to be "tastemaker" for a Hegel implementation. Having maintained an active open source library is a strong plus. The Tech: You can see most of the tech in question on https://github.com/ ...

Remote Manager, Software Engineering - Developer Tools (London, United Kingdom)

Hiring Organisation
Figma
Location
London, UK
London office. You’ll be working on one of the most exciting areas within Figma incorporating design thinking, the latest AI developments, and open source developer tooling. This is a full time role that can be held from our London hub or remotely in the UK. What … added plus if you also have: Experience building large scale systems using React, C++, and/or Ruby Experience building & maintaining open source software and/or libraries for developers At Figma, one of our values is Grow as you go. We believe in hiring smart, curious people ...