1 to 25 of 201 Open Source Jobs in the UK

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many … of the stack, including bare metal, virtualization (KVM), containerization (Docker/LXC/LXD), storage (Ceph and Linux filesystems), networking (OVS, OVN and Core networking), OpenStack, Kubernetes and the open source applications running on top of them. It will challenge you to show the breadth of your engineering skills, which will be needed to work on almost any … aspect of Ubuntu and the open source applications large enterprise customers run. This role is an opportunity for a technologist with a passion for Linux and open source to build a career with Canonical and drive success for our customers, community and the company. If you have an affinity for open source software, great More ❯

About k6 At k6, we build next-generation reliability testing tools for developers and DevOps engineers. We are pushing forward the state-of-the-art in our industry, creating open-source tools that have great developer experience and enable engineers to build reliable systems. k6 is an open-source tool that we built to reinvent the … and enable engineers to build systems that scale. About the role: Senior Software Engineer - k6 Core You will be one of five developers and maintainers of k6, a modern open-source tool for performance testing, written in Go. k6 was released publicly in early 2017 and has already received over 26,800 stars on Github and has an … be able to expand your knowledge and skills in different directions. Required skills We are looking for a person combining very strong programming skills with experience in contributing to open-source projects. Have a strong programming background and experience developing applications in Go (or another language with high-concurrency/parallelism) Good technical communication skills Understand internet protocols More ❯

is a pioneering community interest company created to support our members as they embrace the opportunities being created by rapid advances in AI technology. Our belief is that collaborative open source development is a critical foundation for companies creating impactful technologies and competing at a global level. As a Software Engineer (AI/ML) you will help build … smart systems, and their components, that leverage the latest open source artificial intelligence and machine learning technologies to solve real world challenges. Open development is at the heart of what we do and we encourage our engineers to play an active role in open source communities. Excellent programming abilities with experience in relevant languages (Python … Rust, C++ and/or Go). Experience with relevant libraries/tools (PyTorch, Tensorflow, Neo4j) and/or AI accelerators (GPU, TPU) is a plus. Deep understanding of open source development processes (RFCs/proposals, GitHub pull requests) with demonstrable contributions to open source projects and/or communities. Exceptional written and verbal communication skills More ❯

We're looking for open-source contributors and experienced engineers who understand how to review, maintain, and troubleshoot live repositories. Who You Are An open-source developer or maintainer who has contributed to or reviewed code in live repositories Comfortable reasoning about Git at a deep level Adept at debugging repository states and fixing broken histories … without data loss Preferred Qualifications 3+ years of software engineering experience in open-source, backend, or DevOps roles Demonstrated history of contributions on GitHub, GitLab, or other OSS platforms (Bonus) Experience in code review or AI/LLM model evaluation Why Join Turn your open-source experience into valuable, high-impact data Fully remote, flexible work More ❯

About Us Always open. Our code, our culture, our opportunities. Leading open innovation without limits. We are SUSE. SUSE is a global leader in innovative, reliable, and secure enterprise open source solutions, including SUSE Linux Suite, SUSE Rancher Suite, SUSE Edge Suite, and SUSE AI Suite. More than 60% of the Fortune 500 rely on SUSE to … power their mission-critical workloads, enabling them to innovate everywhere – from the data center to the cloud, to the edge and beyond. SUSE puts the "open" back in open source, collaborating with partners and communities to give customers the agility to tackle innovation challenges today and the freedom to evolve their strategy and solutions tomorrow. For more … a related technical field within a global enterprise software company. Proven track record of building, leading, and scaling large, geographically dispersed technical sales organizations. Deep understanding of enterprise software, open source technologies, cloud, containerization, and DevOps principles. Demonstrated ability to develop and execute strategic sales and GTM plans, resulting in significant revenue growth and market share expansion. Proven More ❯

resources and knowledge, to codevelop and grow businesses, fast. As a Software Engineer (AI/ML) you will help build smart systems, and their components, that leverage the latest open source artificial intelligence and machine learning technologies to solve real world challenges. Open development is at the heart of what we do and we encourage our engineers … to play an active role in open source communities. Requirements The ideal candidate will have: Excellent programming abilities with experience in relevant languages (Python, Rust, C++ and/or Go). Experience with relevant libraries/tools (PyTorch, Tensorflow, Neo4j) and/or AI accelerators (GPU, TPU) is a plus. Deep understanding of open source development … processes (RFCs/proposals, GitHub pull requests) with demonstrable contributions to open source projects and/or communities. Exceptional written and verbal communication skills, with the ability to present complex technical concepts clearly to diverse audiences. Some familiarity with containerization technologies (Docker, Podman, Kubernetes) and cloud (AWS, GCP) application deployment including monitoring (Grafana). Desire to work in More ❯

Sonatype is the software supply chain security company. We provide the world's best end-to-end software supply chain security solution, combining the only proactive protection against malicious open source, the only enterprise grade SBOM management and the leading open source dependency management platform. This empowers enterprises to create and maintain secure, quality, and innovative … software at scale. As founders of Nexus Repository and stewards of Maven Central, the world's largest repository of Java open-source software, we are software pioneers and our open source expertise is unmatched. We empower innovation with an unparalleled commitment to build faster, safer software and harness AI and data intelligence to mitigate risk, maximize More ❯

value. At Syntasso, you'll be part of a small, expert team driving a global shift in how platform engineering is done. Your ideas will directly influence Kratix, our open source framework, and our commercial product, Syntasso Kratix Enterprise. By joining us, you won't just build technology, you'll help define the standards of a new discipline. … empower, not constrain. We started the company after seeing too many teams struggle to build internal platforms that developers actually enjoy using. That's why we created Kratix: an open source framework that helps organisations design, deliver, and scale their platforms with confidence. One early adopter cut platform onboarding from weeks to hours using Kratix, freeing engineers to … users in mind. You'll find us pairing on problems, running regular learning sessions, and sharing ideas that often spark new improvements for Kratix or contributions back to the open source ecosystem we care about so deeply. You'll also be learning from experienced leaders who've built and scaled successful platform engineering businesses before. Our leadership team More ❯

recognition since 2021 demonstrates his unwavering dedication to knowledge sharing, community building, and technical innovation within the software development ecosystem. His contributions span multiple channels, from creating widely-adopted open-source security tools to producing educational content that reaches developers across the globe. Jamie's community impact is exemplified through The Modern .NET Show podcast , which serves as … including the United States (25% of all downloads), United Kingdom (15%), Canada (7%), and Asia (30%), providing accessible technical education to developers at all career stages. Technical excellence through open-source contribution forms another cornerstone of Jamie's recognition. His OwaspHeaders.Core library has achieved remarkable success with over 1.2 million downloads, providing essential web application security features to … responsibility," Jamie commented following the announcement. "It represents not just individual achievement, but a commitment to the broader developer community. Through RJJ Software, The Modern .NET Show, and my open-source contributions, I'm able to help organisations and developers alike realise their full potential using modern technologies." The MVP recognition enhances RJJ Software's position as a More ❯

Technical Architect - Data Products & Open Data 12-Month Contract Inside IR35 2 days a week on site in London Role Overview We are seeking an experienced Technical Architect to provide technical leadership for data products and open data services. This role requires a strong background in data product design, solution architecture, and open data platforms, with the … ability to lead multi-disciplinary teams and drive technical strategy across a large programme. Key Responsibilities Lead technical architecture and solution design for data products and open data services Provide design leadership across a multi-disciplinary team Apply expertise in data cataloguing, metadata management, and open/licensed data portals Leverage understanding of AI developments to shape and … enhance data services Work with open source tools and cloud infrastructure (AWS, Terraform) Guide technical direction and ensure consistent implementation across the programme Collaborate with a core team of 7-8 and a wider programme of 50 Essential Skills & Experience Proven experience with data products and open/licensed data portals Knowledge of data cataloguing systems and More ❯

approach to our work that has retained many of the best elements of start-up mentality whilst also recognising the need for mature delivery and execution. We work with open-source technologies including Linux KVM, QEMU, Open vSwitch and Libvirt. Your Role Design, develop, and maintain AHV features, often interacting with Open Source communities. Constantly … internals and concepts of distributed systems. Familiarity with x86 architecture, virtualisation, and/or storage and network management. Familiarity with KVM and QEMU is preferred. Experience in interaction with open source communities is preferred. Work Arrangement Hybrid: This role operates in a hybrid capacity, blending the benefits of remote work with the advantages of in-person collaboration. For More ❯

privacy, and regulatory standards (e.g., GDPR, SOC 2, HIPAA). Proficiency in designing systems with robust security measures and ensuring adherence to organizational and industry compliance requirements. Contribute to open source software, engage with maintainers, and actively participate in community curation. GitHub values Customer-obsessed Ship to learn Growth mindset Own the outcome Better together Diverse and inclusive … energy Deliver success Who We Are GitHub is the world's leading AI powered developer platform with 150 million developers and counting. We're also home to the biggest open source community on earth (and 99% of the world's software has open source code in its DNA). Many of the apps and programs you More ❯

Together, let's redefine what's possible and unleash your potential. Why this role matters Youll be part of a fast-moving group shaping Kyndryls Agentic AI Framework an open, modular system that connects data pipelines, LLMs, reasoning engines and orchestration layers to power autonomous solutions across industries. Were not just imagining the future of AI transformation were building … deployments will help clients move from proof-of-concepts to AI-native operations Collaborative innovation: Pair with data scientists, architects and platform engineers to deliver integrated, client-ready systems Open-source mindset: Contribute to the evolution of our Agentic AI framework and the wider AI ecosystem What youll do Design and build agentic systems that combine reasoning, planning … you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused someone who prioritizes customer success in their work. And finally, youre open and borderless naturally inclusive in how you work with others. Required Skills and Experience Degree or equivalent practical experience in computer science, data engineering, AI or a related technical More ❯

years of experience to manage the integration, deployment, and support of large-scale private cloud infrastructures. The ideal candidate will have hands-on experience with both Enterprise and open-source virtualization technologies, containerization, and storage solutions. Experience with RedHat OpenShift, and familiarity with variations of OpenStack or similar technologies, will be key. We're looking for someone who … has: 3-5 years of experience with open-source virtualization technologies, including OpenStack or similar platforms. Hands-on experience with containerization technologies like Docker and Kubernetes, with specific knowledge of Red Hat OpenShift. Strong understanding of storage solutions (block, file, and object storage) and how they are integrated into virtualized and containerized environments. Familiarity with private cloud infrastructures … a fast-paced environment while adhering to best practices for infrastructure deployment and management. Typical Job duties would include: Design, deploy, and support large-scale private cloud infrastructures using open-source and enterprise-grade solutions, including OpenShift, OpenStack, and other virtualization technologies. Collaborate with cross-functional teams to integrate private cloud infrastructure with existing environments, ensuring scalability, security More ❯

What you will be doing: Supporting and guiding our ClickHouse users, customers, and prospects via cases, chat, Slack, community, and meetings Develop solutions based on ClickHouse Cloud and ClickHouse open-source that can be shared with our users, community, and customers via documentation, knowledge base, blogs, meetups, webinars, and training Work closely with our global Support Services, Engineering … system, email, Slack, chat, and/or phone You will build strong, trusted relationships with colleagues, customers, and partners What you bring along: Technical breadth and depth in ClickHouse open-source or ClickHouse Cloud, or in domains relevant to ClickHouse, such as: SQL databases, OLAP, cloud-native SaaS, distributed systems Previous technical experience in roles such as Support … build trusted relationships with colleagues, customers, and partners You are self-driven, curious, and eager to continuously learn and grow Bonus points: Experience with ClickHouse Experience with OSS and open-source technologies, as a user, community member, or contributor Experience with Azure, GCP or AWS Experience with data pipelines such as Kafka, Kinesis, Spark, RabbitMQ, or others Compensation More ❯

leading global organisations — constantly pushing boundaries and finding smarter ways to deliver value. Innovation is at the heart of everything this team does. They explore the latest cloud platforms, open-source tools, and modern technologies to create solutions that are as inspiring as they are effective. You'll join a thriving community of specialists who take pride in … ensuring best practices and high standards throughout delivery. Contributing to proposals and client engagements, helping to define innovative and competitive solutions. Staying hands-on with modern cloud-native and open-source technologies, continually learning and exploring new ideas. This is an opportunity to influence outcomes at every level — guiding technology choices and shaping solutions that make a lasting … clearly, and enjoy seeing your designs come to life. Our client is looking for someone with: Strong, hands-on experience with AWS and building cloud-native solutions. Expertise in open-source frameworks , API-led design , and secure, scalable architectures. A deep understanding of microservices , domain-driven design , event-driven systems , and containerisation . Familiarity with architectural frameworks such More ❯

skills, with the ability to guide small, inexperienced client teams in a collaborative yet authoritative manner. You will play a key role in shaping and delivering solutions built on open-source technologies, data pipelines, vector stores, and Generative AI (GenAI) capabilities, with an emphasis on integrating Large Language Models (LLMs). Key Responsibilities Leadership & Collaboration: Lead and mentor … non-technical audiences. Build strong relationships with client stakeholders, ensuring alignment on objectives and expectations. Technical Delivery: Design, implement, and document end-to-end data and GenAI solutions using open-source and cloud-based components. Develop and maintain data pipelines, vector databases, and LLM integrations. Configure and optimize solutions on Microsoft Azure Cloud. Ensure adherence to best practices … Required Skills & Experience Proven ability to lead small technical or client teams. Excellent communication and presentation skills. Strong team player with a collaborative, mentoring mindset. Hands-on experience with open-source technologies across front-end and back-end systems. Proficiency in data pipelines, vector stores, and Generative AI/LLM implementations. Working knowledge of Microsoft Azure Cloud services More ❯

Need Strong skills in C programming Experience with one or more of the following: C++, Python or Rust Confidence working in Linux environments Strong with embedded systems. Familiarity with open-source technologies and ecosystems A solid grasp of modern software development practices About the Team You'll be joining a multidisciplinary group of engineers united by a shared … passion for technology and innovation. The team works across the entire software development lifecycle - from concept and prototyping through to delivery and deployment. Experience with embedded systems and open-source development will help you stand out. We're Looking for Engineers Who Have a genuine enthusiasm for software engineering Enjoy collaborating with talented technical specialists Thrive on variety … every project brings fresh challenges and opportunities Desirable Experience Contributions to open-source projects CI/CD pipeline design and automation If you're excited by the idea of solving complex problems and creating next-generation software solutions, we'd love to hear from you. Apply today with your up-to-date CV. Contact: Laurence Powell @ KO2 Embedded More ❯

functional collaboration across sales, product, and marketing. Drive execution from concept to delivery, aligning product management with go-to-market initiatives. Identify and capitalize on new opportunities in the open source and cloud ecosystem . Represent the company at major cloud-related campaigns, opportunities, and events . Travel internationally (up to 2x per year for 1-2 weeks … record of building and growing global partner ecosystems . Exceptional leadership, presentation, and interpersonal skills, with the ability to energize stakeholders through data-driven storytelling . Passion for technology, open source, and cloud innovation. Strong work ethic, self-motivation, and accountability in a distributed work environment. Appreciation for diversity and effectiveness in multicultural, multinational organizations. Experience with Linux … competitive landscape. Nice to Have: Solid experience in the Public Cloud sector . Background in indirect/channel sales management . History of personal tech projects or contributions to open source. What We Offer Competitive compensation based on location, experience, and performance. Annual bonus or commission tied to results. Personal learning & development budget of USD 2,000 per year. More ❯

The Infrastructure Engineer is responsible for supporting and maintaining Responsiv Assist and Responsiv Cloud services, including s upport for IBM middleware, databases, and open-source software across Linux and Windows systems. In practice, this involves resolving support tickets, performing software installations and upgrades, proactive monitoring and management of cloud and customer platforms, and delivering infrastructure improvement projects. You … platforms. Perform software installations, upgrades, and patching for cloud and customer systems. Monitor cloud and on-premises platforms, identifying issues proactively and mitigating risks. Support IBM Middleware, databases, and open-source software across Linux and Windows systems. Contribute to technical planning, runbooks, and documentation to ensure consistent processes. Work with developers to support software development pipelines where necessary. … systems, networking, LVM, backups, clustering, upgrades, installation, and scripting Windows Server administration and Microsoft enterprise software. Database management: DB2, PostgreSQL IBM Middleware: WebSphere Application Server, MQ (Nice to Have) Open-source software configuration: Apache and similar packages Cloud platforms: Azure, AWS, GCP ? About Us ? Responsiv build distinctive business solutions that are simple and effective. Our expertise spans cloud More ❯

scaling and optimising storage systems that support critical research and trading workloads. This role offers the opportunity to work on innovative, high-impact projects at the intersection of cloud, open-source, and high-performance computing. The Role: Design and develop scalable data orchestration services across cloud and on-prem environments. Create unified platform abstractions to streamline data access … across diverse storage technologies. Integrate open-source and vendor storage solutions through rapid prototyping and engineering. Optimise storage performance and efficiency across large-scale infrastructure. Collaborate across engineering functions to deliver robust end-to-end platform capabilities. Own operational responsibilities: troubleshooting, performance tuning, and user support. Your Background: 5+ years' development experience with a degree in Computer Science … complex backend systems at scale. Experience with Elasticsearch, Prometheus, Grafana and/or Datadog. Exposure either AWS or GCP plus IaC, (Terraform or similar) would be beneficial. Knowledge with open-source storage tools (Ceph, Minio, JuiceFS or Fuse) and familiarity with high-performance data transport protocols (RDMA, GPUDirect, DPDK) would be well received. This is a chance to More ❯

scaling and optimising storage systems that support critical research and trading workloads. This role offers the opportunity to work on innovative, high-impact projects at the intersection of cloud, open-source, and high-performance computing. The Role: Design and develop scalable data orchestration services across cloud and on-prem environments. Create unified platform abstractions to streamline data access … across diverse storage technologies. Integrate open-source and vendor storage solutions through rapid prototyping and engineering. Optimise storage performance and efficiency across large-scale infrastructure. Collaborate across engineering functions to deliver robust end-to-end platform capabilities. Own operational responsibilities: troubleshooting, performance tuning, and user support. Your Background: 5+ years' development experience with a degree in Computer Science … complex backend systems at scale. Experience with Elasticsearch, Prometheus, Grafana and/or Datadog. Exposure either AWS or GCP plus IaC, (Terraform or similar) would be beneficial. Knowledge with open-source storage tools (Ceph, Minio, JuiceFS or Fuse) and familiarity with high-performance data transport protocols (RDMA, GPUDirect, DPDK) would be well received. This is a chance to More ❯

AI to simplify tasks, save 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 or in cloud environments. Our offerings include … the security team to ensure infrastructure adheres to best security practices and compliance requirements Document processes and procedures to ensure consistency and knowledge sharing across the team Contribute to open source projects, research publications, blog articles and conferences About you Master's degree in Computer Science, Engineering or a related field 7+ years of experience in a DevOps … Remote This role is primarily based at one of our European offices (Paris, France and London, UK). We will prioritize candidates who either reside in Paris or are open to relocating. We strongly believe in the value of in person collaboration to foster strong relationships and seamless communication within our team. In certain specific situations, we will also More ❯

About the Core Technology Team The Core Technology Team comprises several teams building tools and infrastructure used across all of our research work. This includes projects like Inspect (our open-source evaluation framework), systems for running evaluations at scale, and hosting frontier open-weights models for evaluations or human studies. Working within the Core Technology Team, you … one of our "sandbox plugins" for Inspect, supporting advanced agentic evals with safe mechanisms to let models write and execute arbitrary code Implement support for a new class of open-weights model on our model hosting platform Support a research team with designing custom infrastructure for a new research project Collaborate with the open-source community on More ❯

level role for an individual who isn't just an expert in application security tooling but is also a visionary leader capable of shaping our organization's approach to open-source security and secure development practices across a global engineering footprint. You'll be instrumental in evolving our application security posture, acting as a subject matter expert and … policies, rules, and configurations to reduce false positives, increase accuracy, and align with Trimble's risk appetite across diverse product portfolios; Develop and implement strategies for managing and remediating open-source vulnerabilities and license compliance issues identified by our SCA tool, considering the varied needs of a global organization; Champion the adoption of SCA across all development teams More ❯