1 to 25 of 779 Permanent Open Source Jobs in the UK

to the Head of Security). In this role, you will drive critical application security initiatives across Vercel's products and platform. Your core focus will be onthreat modeling, open-source software security, secure code review, SDLC tooling, andbug bounty program management. You will support both our internal product engineering teams and customer-facing security programs, ensuring that … with broad scope - your work will not only secure Vercel's core infrastructure and applications (built with Next.js, Node.js, and serverless architecture), but also influence the security of the open-source ecosystems we contribute to. If you're based within a pre-determined commuting distance of one of our offices (SF, NY, London, or Berlin), the role includes … Next.js, Node.js, and our serverless backend. You'll uncover code-level vulnerabilities, provide actionable remediation guidance to developers, and establish best practices for secure coding across the engineering team. Open Source Security Management: Oversee Vercel's open-source security efforts. This includes monitoring and coordinating fixes for vulnerabilities in third-party open-source packages More ❯

Open source software is the new default in the enterprise, and Canonical is the new challenger to major enterprise software vendors. We deliver better open source from the data center to cloud and edge. Our Linux distribution Ubuntu is now the leading platform for public cloud compute, and the favorite platform for software engineers, data scientists … and AI developers. Our mission is to accelerate the adoption and quality of open source globally, and our goal is to ship the most software on the planet by cores. A tidal wave of open source innovation is the next phase of the entire enterprise software industry, and we aim to be the most compelling way … as well as databases, message queues, identity, observability, analytics, machine learning and web publishing capabilities. Customers love the idea that they can get security compliance and support for everything open source from a single company. Our goal is to have more solutions on tap than any other vendor, and we have built unique capabilities to make that possible More ❯

with full device ownership, control, and visibility. Led by the founders of the OpenTitan secure silicon project, zeroRISC promotes the adoption of high assurance software and services rooted in open silicon. Our products establish an immutable link between hardware and software, enabling trust in devices regardless of their manufacturing or deployment locations. Role Overview As a Software Engineer focusing … on silicon development methodology at zeroRISC, you will help expand the reach of open-source silicon projects like OpenTitan. You will develop adaptable design methodologies for seamless integration across various designs. You will work directly with zeroRISC customers to understand their needs and will design, implement, and maintain software tools supporting our mission of open-source silicon everywhere. We seek engineers with strong software design skills, knowledge of silicon development, enthusiasm for open-source communities, and the ability to learn quickly and adapt. Key Responsibilities Design, develop, and maintain high-quality open-source tools that support sustainable and scalable open silicon design Translate customer requirements into technical solutions that benefit More ❯

Qdrant is an open-source, high-performance vector database and similarity search engine, designed to power AI-driven applications. Our technology helps developers build state-of-the-art semantic search, RAG, recommendation systems, and large-scale AI solutions. We are growing our DevRel team and looking for passionate individuals to help shape the future of vector search technology. … a Developer Advocate, you will be the voice of Qdrant within the global developer community. Your mission is to educate, engage, and empower developers by creating technical content, fostering open-source contributions, and advocating for best practices in vector search and machine learning applications. You will work closely with engineering, product, and marketing teams to drive adoption and … at conferences, webinars, hackathons, and meetups to advocate for vector search technology. Developer Support & Onboarding : Help new users get started with Qdrant by creating educational resources and improving documentation. Open-Source Contributions : Collaborate with developers to improve Qdrant's open-source project by reviewing PRs, resolving issues, and gathering feedback. Product Feedback & Advocacy : Act as a More ❯

long-lasting loyalty between Red Hat and our customers. You have the opportunity to shape the future of our technology along with subject matter experts and developers in the Open Source Community. What you will do: Develop relationships with key business and IT stakeholders and become an expert on customer implementations by understanding their top business goals and … Ensure high level of customer experience with each qualified engagement Analyze and present periodic reviews of operational performance to customer leadership Establish and maintain parity with Red Hat's open hybrid cloud strategy Delivering trainings and presentations to customers staff Travel, as necessary, to visit customers or internal events What you will bring: Existing or previous SC level clearance … CI) and continuous delivery (CD) concepts Prior experience serving in a technical leadership or mentorship role About Red Hat Red Hat is the world's leading provider of enterprise open source software solutions, using a community-powered approach to deliver high-performing Linux, cloud, container, and Kubernetes technologies. Spread across 40+ countries, our associates work flexibly across work More ❯

Get paid to write open-source software Do you want to work on software used by billions around the world? Do you believe in the goals of the open-source software community? This team wants to hear from you. You will be working alongside similarly enthusiastic and highly skilled developers building software with open-source projects and making important contributions to the open-source community. You could be working on improvements to WebKit, or building new Linux kernel driver, or one of countless other projects this team tackles, all of them deeply technical. Requirements: • Knowledge and interest in developing systems level software such as kernel drivers, web rendering engines, display servers, or … A/V libraries. • Demonstrable and significant contributions to open-source projects. This includes engagement with the community and understanding of open-source development methodologies not just code commits. • High level of skill in C. Additional knowledge of Rust would be beneficial. • A Computer Science degree or similar experience. You will be working in a globally More ❯

We're a global team of over 400 people, working together to push the boundaries of open-source technology and multi-cloud solutions. Our vision is to become the trusted Data & AI Platform for everyone, leveraging the most popular open-source technologies like Apache Kafka, Aiven for PostgreSQL, Aiven for Clickhouse, and Aiven for OpenSearch. to … for forward-thinking and innovative approaches. About this team Our Customer Growth team plays a crucial role in our growth and profitability. We want to be the trusted data source data platform for everyone - which, let's face it, is an ambitious target. But thanks to our dedicated sales, pre-sales, and post-sales teams we are growing fast. … Right now, we are looking for a Senior Solutions Architect. Who we are So, how do we become the trusted open source data platform for everyone? By listening closely to our customers and taking action to ensure they achieve their business goals. You see, the software we create is merely a means of delivering value. Our thinking is More ❯

at Percona Join to apply for the Senior Software Engineer (Go/MongoDB) (Remote) role at Percona Percona seeks a flexible and efficient Senior Software Engineer to join its Open-Source Software Development team. You will work on Percona's open-source tools for MongoDB and related components, developing new products, features, and bug fixes in … with a geographically distributed team to design and implement new products and tools around MongoDB. Participate in code reviews to ensure high-quality software. Engage with the broader MongoDB open-source community by submitting and reviewing pull requests (PRs) and addressing issues the community raises. Work closely with product managers, QA teams, and community contributors to shape Perconas … environments, optimizing concurrency, data compression, and encryption algorithms to handle multi-terabyte databases with minimal performance degradation across distributed sharded environments Your active participation in the MongoDB or similar open-source community and proven track record of code contributions will set you apart Experience in Linux systems administration, including suitable expertise with file systems, hardware, and networking Communication More ❯

and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion. Location - London Skill - Apache Hadoop We are looking for open-source contributors to Apache projects, who have an in-depth understanding of the code behind the Apache ecosystem, should have experience in Cloudera or similar distribution and should … possess in depth knowledge of bigdata tech stack. Requirement: Experience of platform engineering along with application engineering (hands-on) Experience in design of an open source platform based on Apache framework for Hadoop. Experience in integrating Infra-as-a-Code in their platform (Bespoke implementation from scratch) Experience of design & architect work for the open source Apache platform in hybrid cloud environment Ability to do debug & fix code in the open source Apache code and should be an individual contributor to open source projects. Job description: The Apache Hadoop project requires up to 3 individuals with experience in designing and building platforms, and supporting applications both in cloud environments and on More ❯

and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion. Location - London Skill - Apache Hadoop We are looking for open-source contributors to Apache projects, who have an in-depth understanding of the code behind the Apache ecosystem, should have experience in Cloudera or similar distribution and should … possess in depth knowledge of bigdata tech stack. Requirement: Experience of platform engineering along with application engineering (hands-on) Experience in design of an open source platform based on Apache framework for Hadoop. Experience in integrating Infra-as-a-Code in their platform (Bespoke implementation from scratch) Experience of design & architect work for the open source Apache platform in hybrid cloud environment Ability to do debug & fix code in the open source Apache code and should be an individual contributor to open source projects. Job description: The Apache Hadoop project requires up to 3 individuals with experience in designing and building platforms, and supporting applications both in cloud environments and on More ❯

Job Overview: We are seeking an experienced and driven VPU Technical Lead to lead a high-performing engineering team focused on video codec technologies and open source software development. In this strategic role, you will be at the forefront of architecting, developing, and optimizing software for Video Processing Units, enabling advanced media processing capabilities! You will guide a … team of engineers responsible for building software components that interact with hardware, open source drivers, and multimedia frameworks. The ideal candidate will have deep expertise in video codec standards (e.g., H.264, HEVC, AV1, VP9), strong technical leadership, and a proven track record of contributing to or leading open source projects in the media domain. Responsibilities: Provide … multimedia stacks (e.g., V4L2, FFmpeg, GStreamer). Guide the integration of VPU support into Linux kernel drivers and userspace libraries Collaborate across teams including hardware design, platform software, and open source communities to ensure a robust and scalable video solution. Represent the team and organization in upstream open source communities, advocating for feature inclusion, resolving issues More ❯

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 Enterprise (SLE), Rancher and NeuVector. 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. We are open in our roots and open in our approach, striving to be the most trusted open innovator in the World. Openness extends beyond our technology. Our vibrant community thrives on diversity and connectivity without borders. Account Executive 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 More ❯

in agile environments Good with Observability, Monitoring and Serverless technology Experience providing data for consumption via API Experience and strong understanding of API First principles Our Mission: Creating trusted open-source intelligence has always been our focus. Janes foundational defence intelligence, across military capabilities and order of battle, equipment, events, and defence industry, is verified and validated using … our human-centric tradecraft to deliver the highest levels of assurance. While open-source data is readily available to analysts and decision makers, it can be unmanageable in structure and volume, is not assured, and can be manipulated either intentionally or unintentionally. Janes open-source intelligence is verified and validated through our Tradecraft processes within our … Single Intelligence Environment (SIE). Janes uses a multi-faceted approach to open-source intelligence, developed over 120 years, with all sources assessed for bias/objectivity, reliability, and level of certainty. We excel at capturing and making sense of open-source information to regularly reveal new and timely insights. We provide clients with a definitive More ❯

in agile environments Good with Observability, Monitoring and Serverless technology Experience providing data for consumption via API Experience and strong understanding of API First principles Our Mission: Creating trusted open-source intelligence has always been our focus. Janes foundational defence intelligence, across military capabilities and order of battle, equipment, events, and defence industry, is verified and validated using … our human-centric tradecraft to deliver the highest levels of assurance. While open-source data is readily available to analysts and decision makers, it can be unmanageable in structure and volume, is not assured, and can be manipulated either intentionally or unintentionally. Janes open-source intelligence is verified and validated through our Tradecraft processes within our … Single Intelligence Environment (SIE). Janes uses a multi-faceted approach to open-source intelligence, developed over 120 years, with all sources assessed for bias/objectivity, reliability, and level of certainty. We excel at capturing and making sense of open-source information to regularly reveal new and timely insights. We provide clients with a definitive More ❯

Maternity Pay) Paternity (100% of basic salary for 6 weeks) Life cover Access to LinkedIn Learning Access to an on-site gym (Only in Croydon.) Our Mission: Creating trusted open-source intelligence has always been our focus. Janes foundational defence intelligence, across military capabilities and order of battle, equipment, events, and defence industry, is verified and validated using … our human-centric tradecraft to deliver the highest levels of assurance. While open-source data is readily available to analysts and decision makers, it can be unmanageable in structure and volume, is not assured, and can be manipulated either intentionally or unintentionally. Janes open-source intelligence is verified and validated through our Tradecraft processes within our … Single Intelligence Environment (SIE). Janes uses a multi-faceted approach to open-source intelligence, developed over 120 years, with all sources assessed for bias/objectivity, reliability, and level of certainty. We excel at capturing and making sense of open-source information to regularly reveal new and timely insights. We provide clients with a definitive More ❯

Maternity Pay) Paternity (100% of basic salary for 6 weeks) Life cover Access to LinkedIn Learning Access to an on-site gym (Only in Croydon.) Our Mission: Creating trusted open-source intelligence has always been our focus. Janes foundational defence intelligence, across military capabilities and order of battle, equipment, events, and defence industry, is verified and validated using … our human-centric tradecraft to deliver the highest levels of assurance. While open-source data is readily available to analysts and decision makers, it can be unmanageable in structure and volume, is not assured, and can be manipulated either intentionally or unintentionally. Janes open-source intelligence is verified and validated through our Tradecraft processes within our … Single Intelligence Environment (SIE). Janes uses a multi-faceted approach to open-source intelligence, developed over 120 years, with all sources assessed for bias/objectivity, reliability, and level of certainty. We excel at capturing and making sense of open-source information to regularly reveal new and timely insights. We provide clients with a definitive More ❯

Founded in Silicon Valley in 2002, TrueNAS is a profitable, growing, self-funded global company that is changing the data storage industry with TrueNAS, the world's most popular Open Source storage software. (Remote/Hybrid) From your home office or regional hubs, iXians across the globe collaborate in real-time to deliver the best customer experience possible. … customers across Europe, Middle East, and Africa to architect, design, and demonstrate storage solutions that solve real business challenges. Our Mission: Help enterprises across EMEA achieve "Storage Freedom" through Open Source economics, delivering enterprise-grade data storage solutions that are more reliable, scalable, and cost-effective than traditional proprietary alternatives. This is a fully remote position in Europe. … health, dental, vision, disability, and life insurance, paid time-off, 401(k), health and flexible spending accounts, stock purchase plan and more. Expected Posting Timelines This position will be open for a minimum of 5 days, a maximum of 90 days. Why join TrueNAS? Founded in Silicon Valley in 2002, TrueNAS is a profitable, growing, self-funded global company More ❯

We're a global team of over 400 people, working together to push the boundaries of open-source technology and multi-cloud solutions. Our vision is to become the trusted Data & AI Platform for everyone, leveraging the most popular open-source technologies like Apache Kafka, Aiven for PostgreSQL, Aiven for Clickhouse, and Aiven for OpenSearch. to … solving and results over following directions, so we make better decisions for our customers, our products and our employees. Who we are: So, how do we become the trusted open-source data platform for everyone? By listening closely to our customers and taking action to ensure they achieve their business goals. You see, the software we create is … win/loss interviews and continuous feedback loops, directly informing external messaging and proactively refining the product's value proposition. Continuous learning: Proactively stay abreast of the rapidly evolving open-source data landscape, including new features, versions, emerging trends, and the broader market dynamics relevant to the domain. Pre-launch: Lead the cross-functional orchestration of integrated messaging More ❯

Nice to haves but not required: Knowledge of Rust or interest in learning it Deep frontend knowledge (i.e. true fullstack) Experience with technical writing or developer advocacy Experience maintaining open source projects Background in building developer tools Experience with performance optimization Experience with IaC tools (we use Pulumi) Some non-technical requirements: Live and work in a timezone … proprietary query language to learn) Rust, Python, and TypeScript for performance and productivity Postgres, DataFusion, and object storage for scalable backends Unlike other companies that pay lip service to open source, we commit over 20% of our engineering team to maintaining and expanding our open source ecosystem . This includes the core Pydantic Validation library and … Pydantic AI - our rapidly growing framework that's becoming the standard for AI application development. We're signatories of the open source pledge and build on open standards because we believe in interoperability, not lock-in. Use our OpenTelemetry-based SDK with any compatible backend - we're confident you'll choose us on merit. We're backed 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. Requirements 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 ❯

Do you want to work on software used by billions around the world? Do you believe in the goals of the open-source software community? This team wants to hear from you. You will be working alongside similarly enthusiastic and highly skilled developers building software with open-source projects and making important contributions to the open-source community. You could be working on improvements to WebKit, or building new Linux kernel driver, or one of countless other projects this team tackles, all of them deeply technical. Requirements: Knowledge and interest in developing systems level software such as kernel drivers, web rendering engines, display servers, or A/V libraries. Demonstrable and significant contributions to … open-source projects. This includes engagement with the community and understanding of open-source development methodologies not just code commits. High level of skill in C. Additional knowledge of Rust would be beneficial. A Computer Science degree or similar experience. You will be working in a globally diverse team, so experience and comfort with remote working More ❯

We are looking for an experienced engineer who is passionate about developing compilers and managed runtimes and loves open-source software. In this role you will be working on performance analysis and optimisation across a range of runtimes. You'll be part of the bigger CE-SW Runtimes team, whose goal is to improve modern languages support on … the Arm architecture, from JavaScript to Rust. you will work closely with the team and colleagues across the organisation and with open source communities to tackle challenges in enabling the future of computing. Responsibilities Identify and implement changes to compilers and managed runtimes to improve the performance of selected workloads and better support Arm architectural features and CPU … fine-tune existing ones. (e.g. garbage collectors, interpreters, optimisation passes, intrinsics) Own and be accountable for medium/large technical areas of managed runtime or compiler development. Contribute to open-source software projects and engage with open-source community. Collaborate with colleagues across Arm to improve the support for the Arm Architecture and CPUs. Help develop More ❯

an opening for an exciting and varied role in our GNU Tools team in Cambridge, UK. In this role you will collaborate with the GNU community, contributing to the open-source GCC compiler and other GNU projects, to make the best use of Arm architectural features such as SVE and SME. You may also help analyse and improve … applications and benchmarks running on Arm hardware. Previous experience working with GNU or other compiler toolchains will be desirable. Responsibilities: Identify and implement changes to GCC compiler, libraries and open source applications to optimise benchmark workloads. Improve the open-source GNU framework to better support Arm architectural features and core designs. Participate in the open source GNU community, including reviews upstream and opportunities to attend and present at developer meetings. Develop our automated test frameworks to defend the functionality and performance of our tools. Mentor junior members of the team to help grow their skills. Required Skills and Experience : C and/or C++ programming. Advanced experience of low level software or hardware More ❯

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 … and partners to coordinate new features, enhancements and integration into various platforms. The successful applicant will be passionate about the future of Ubuntu, mindful of the dynamics of the open source ecosystem, and aware of the needs of large, innovative customers. This is an exciting opportunity for a leader passionate about strong teams, open source software … part of the leadership team and collaborate with other leaders in the organisation Participate in strong engineering process through code and architectural review Engage with teams at Canonical, the open source community and commercial partners Oversee the quality of the Ubuntu Server image family Plan and deliver Ubuntu Server features Work from home with global travel for up More ❯

role at Aiven Get AI-powered advice on this job and more exclusive features. Were a global team of over 400 people, working together to push the boundaries of open-source technology and multi-cloud solutions. Our vision is to become the trusted Data & AI Platform for everyone, leveraging the most popular open-source technologies like … Aiven for OpenSearch. to help companies accelerate time-to-market, drive efficiency, and build innovative solutions across any cloud. Who we are: So, how do we become the trusted open-source data platform for everyone? By listening closely to our customers and taking action to ensure they achieve their business goals. You see, the software we create is … use one of our learning platforms, annual learning budget, and more). Get holistic wellbeing support through our global Employee Assistance Program. Make a Difference at Aiven: Contribute to open-source projects that you find meaningful outside of work - and get paid for it! Our Plankton program recognizes extra work to the open-source ecosystem for More ❯