Open Source Jobs in England

126 to 150 of 632 Open Source Jobs in England

Client Quant Developer, BQuant Enterprise - Financial Solutions

London, United Kingdom
Avature
with Bloomberg clients to assist them to implement quantitative investment strategies and research using our new Python Quant development platform. Powered by JupyterLab, the quant platform combines world-class open source Python libraries with the world's leading financial database, allowing our clients to generate unique research in quantitative finance and help them to capture alpha in a … to improve your expertise in data science, quantitative investment strategies and capital markets - A deep understanding of quantitative strategies and investment knowledge across Equities, Fixed Income, FX and Commodities - Open Source Python technologies for advanced data visualizations, widgets and analytics You'll need to have: - Advanced coding skills in Python - Experience with big data analysis or machine learning More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Client Quant Developer, Desktop Build Group - Financial Solutions

London, United Kingdom
Avature
with Bloomberg clients to assist them to implement quantitative investment strategies and research using our new Python Quant development platform. Powered by JupyterLab, the quant platform combines world-class open source Python libraries with the world's leading financial database, allowing our clients to generate unique research in quantitative finance and help them to capture alpha in a … to improve your expertise in data science, quantitative investment strategies and capital markets - A deep understanding of quantitative strategies and investment knowledge across Equities, Fixed Income, FX and Commodities - Open Source Python technologies for advanced data visualizations, widgets and analytics You'll need to have: - Advanced coding skills in Python - Experience with big data analysis or machine learning More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior, Technical Product Marketing - Paris / London / Palo Alto / New York

London, United Kingdom
Mistral AI
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 … to make AI ubiquitous and open. We are passionate about bridging the gap between technology and businesses of all sizes. We are a leading innovator in the field of open-source large language models. Our advanced LLM solutions can be seamlessly deployed on any cloud, allowing for optimized integration and robust performance. Developers are using our API via More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Software Engineer - Linux Kernel

Cambridge, Cambridgeshire, United Kingdom
Hybrid / WFH Options
Arm Limited
including industrial, automotive, IoT, desktop, and data centers. We aim to enable Arm by developing software solutions that bridge higher-level software stacks with hardware. Job Overview: Responsibilities: Our Open-Source Software group focuses on enabling new Arm architectures through kernel, firmware, system control, and driver development for diverse markets. Software on Arm must be efficient, secure, and … compliant with the latest standards. We seek engineers experienced in low-level C coding, firmware, tooling, and OS design, who enjoy contributing to the open-source community. Your day-to-day responsibilities include: Maintaining the upstream Linux port and user space tools as part of the core arm64 Linux Kernel team Reviewing code on public mailing lists and … A Architecture Knowledge of Arm64 assembly language Expertise in Linux Memory Management and Virtualization Experience contributing to Linux upstream projects In Return: Our Cambridge offices foster collaboration. We are open to tailoring the role for the right candidate. If you're interested but unsure about meeting all criteria, we encourage you to reach out. We welcome versatile talent to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Solution Architect (London)

London, UK
Hybrid / WFH Options
The Dot Collective
architectures. Be able to describe the structure and behaviour of the technology platform that underpins user applications and understand on-premise, Cloud hosting and end-user compute Knowledge of open source, open standards and cloud technologies An understanding of architectural concepts, methodologies and approaches Knowledge and demonstrable experience of both traditional and agile delivery methods Effectively explain More ❯
Employment Type: Full-time
Posted:

Head of Marketing

Fleet, Hampshire, United Kingdom
Fleet
online, secure, compliant, and accessible from anywhere. This is known as "device management". You can read more about the company in our handbook , which is publicly available and open to everyone. tl;dr; Fleet Device Management Inc. is a recently-funded Series A startup founded and backed by the creators of osquery, the leading open-source … experience as a solo contributor. Experience with marketing teams larger than one. Experience marketing to enterprise accounts. Experience marketing to IT engineers, security engineers, or DevOps teams. Familiarity with open source and how to communicate with its users. Low ego and willingness to get hands dirty. "One of the best teams out there to work for and help More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Product Operations Lead

London, United Kingdom
Hybrid / WFH Options
SonarSource
hard to help organizations build responsible, secure, high-quality code quickly and systematically. We build solutions that don't just solve symptoms of problems - we fix problems at the source - source code, to be specific. We have a dynamic culture with employees worldwide and hub offices in the USA, Switzerland, the UK, Singapore, and Germany. We believe team … come to work every day, work on a product they are proud of, love what they do, and feel energized by their peers. With our roots deep in the open source community, we're all about the mission: provide solutions that deliver Clean Code. The impact you will have As a Product Operations lead, you will be part More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Digital Forensics Lab - OSINT Analyst

London, United Kingdom
CACI Limited
new position where the successful candidate will be instrumental in scaling and leading a team as we grow the OSINT capability. A strong interest and experience in Cyber Security, Open-Source and/or the Dark Web is necessary for this role. Serve as the main point of contact for current clients. Interaction with the US team, Dark … organised crime - cyber attacks; ransomware; drug trafficking. Communicate regularly with clients and formally track adoption trends, sentiment, and opportunities for deeper engagement. Present OSINT capabilities at events. Familiarity with open-source intelligence/research (OSINT) Acting as a point of triage and giving warm leads back to clients to help source. Create vignettes for use case development and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Systems and Performance Researcher/Engineer

London, United Kingdom
Cerebras
or Rust) Has a proven track record implementing data driven products and a broad understanding of the state of the art in systems and networks Comfortable working in an open-source setting Able to create and deploy mobile/desktop applications and systems Has a passion for helping protect users' privacy and security A Ph.D. in computer science … performance. Experience with modern Machine Learning (ML) frameworks (e.g., Pytorch, TensorFlow, MLX, etc.). Skills That Will Set You Apart from the Competition ML Systems (pipelines, performance evaluation, etc.) Open source projects on mobile/desktop systems optimization Experience with confidential computing and security/privacy protocols Ph.D. in computer science from a top-tier school A strong More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Engineering Manager, Turbopack Remote - Germany, Netherlands

London, United Kingdom
Hybrid / WFH Options
vercel.com
grow senior ICs, helping them expand their technical scope and impact. Balance product delivery with deep investments in long-term platform reliability, performance, and maintainability. Collaborate with internal stakeholders, open-source contributors, and the broader web community to inform roadmap priorities and technical decisions. Advocate for great developer experience across the entire bundling and dev server stack. About … Comfortable managing ambiguity, shaping strategy, and influencing cross-functional roadmaps. Strong communication and collaboration skills, especially in hybrid or distributed environments. Bonus If You: Have led or contributed to open-source tools in the JS/TS ecosystem (e.g., Webpack, esbuild, Babel, SWC). Have worked on large-scale build pipelines, asset compilers, or code transformation systems. Have More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Growth Marketing & Developer Relations Engineer

London, United Kingdom
Hybrid / WFH Options
Hirehoot
to Work: Remote London, UK Status: Not Available Position Roles: Growth Marketing Manager, Growth Lead Who you are Pydantic operates an observability platform, Pydantic Logfire, as well as an open source data-validation framework. What the job involves Drive SaaS platform adoption through multi-channel marketing campaigns Create and optimize technical content for SEO, establishing Logfire as the … AI/ML products or communities Hands-on experience with LLMs and AI agents for marketing automation Building developer communities Product-led growth strategies Public speaking at technical conferences Open source project marketing Paid advertising (Google Ads, LinkedIn, Twitter/X) Video content creation and editing Rust ecosystem experience Non-technical Requirements: Live and work in a timezone More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Enterprise Account Executive

London, United Kingdom
Hybrid / WFH Options
Flowable Group
Senior Enterprise Account ExecutiveLondon, United Kingdom Flowable is a leading provider of open-source Intelligent Business Automation that combines the power of Process, Case and Decision management into an enterprise-ready unified platform. Effortless integration, fast-time-to-market, and unmatched flexibility, make Flowable the top choice for companies worldwide to drive operation excellence and lead transformation. As … related industries Experience with Sales Methodologies like MEDDPICC and PANT Well-connected with a large network across the enterprise market, ideally in the financial services space Previous experience with open-source products, subscription-model software, or BPM sales is a significant plus What you can expect: You will enjoy flexible working-hours, training, and remote working; however, we More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Solution Engineer London, UK (Remote)

London, United Kingdom
Hybrid / WFH Options
Ably Realtime Ltd
platforms, and modern CI/CD practices. Experience working with Sales teams using MEDDICC methodology. A strong online technical presence such as GitHub projects, blog posts, or contributions to open-source tools. A product mindset. You don't just solve the immediate problem; you think in terms of reusability, scale, and system design. What's it like to … an amazing opportunity ahead of us, and we want anyone to be able to contribute to that opportunity. If you enjoy working as part of a technology company, value open source, and love solving hard problems - then we'd love to hear from you, regardless of whether you fit the job description exactly or not. If in doubt More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Account Executive London, UK (Remote)

London, United Kingdom
Hybrid / WFH Options
Ably Realtime Ltd
and engineering leaders, in conjunction with the SE team. We'd love to talk if you have 3+ years experience in a high-growth environment, ideally within developer tooling, open source or PaaS/IaaS. Comfort and confidence in outbound sales and cold calling, with a bias toward proactive pipeline generation. A track record of success in selling … an amazing opportunity ahead of us, and we want anyone to be able to contribute to that opportunity. If you enjoy working as part of a technology company, value open source, and love solving hard problems - then we'd love to hear from you, regardless of whether you fit the job description exactly or not. If in doubt More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Web3 Technical Lead - DeFi

London, United Kingdom
Hybrid / WFH Options
Trilitech
Our Technology Tezos is an open-source blockchain known for its flexibility, security, and unique self-evolving capabilities. With innovations like Etherlink -an EVM-compatible Layer 2-Tezos is scaling rapidly and attracting a growing developer community. Its ecosystem supports diverse projects, from Uranium.io , a decentralized marketplace for tokenized uranium, to leading digital art platforms like and fx … to both devs and product stakeholders. Passionate and opinionated about Web3 and the decentralized finance movement. Nice to have Experience in DevRel/DevOps/Front-end roles. Previous open-source contributions. Familiarity with multi-chain deployments (Polygon, Arbitrum, Optimism, etc.). Knowledge of off-chain scripting (bots, keepers, data pipelines). What you can expect from us More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Solution Architect

London, United Kingdom
Hybrid / WFH Options
The Dot Collective
architectures. Be able to describe the structure and behaviour of the technology platform that underpins user applications and understand on-premise, Cloud hosting and end-user compute Knowledge of open source, open standards and cloud technologies An understanding of architectural concepts, methodologies and approaches Knowledge and demonstrable experience of both traditional and agile delivery methods Effectively explain More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Solution Architect (London)

London, UK
Hybrid / WFH Options
The Dot Collective
architectures. Be able to describe the structure and behaviour of the technology platform that underpins user applications and understand on-premise, Cloud hosting and end-user compute Knowledge of open source, open standards and cloud technologies An understanding of architectural concepts, methodologies and approaches Knowledge and demonstrable experience of both traditional and agile delivery methods Effectively explain More ❯
Employment Type: Full-time
Posted:

Mid-Market Account Executive - France (French Speaker)

London, United Kingdom
Hybrid / WFH Options
Sonar
hard to help organizations build responsible, secure, high-quality code quickly and systematically. We build solutions that don't just solve symptoms of problems - we fix problems at the source - source code, to be specific. We have a dynamic culture with employees worldwide and hub offices in the USA, Switzerland, the UK, Singapore, and Germany. We believe team … come to work every day, work on a product they are proud of, love what they do, and feel energized by their peers. With our roots deep in the open source community, we're all about the mission: provide solutions that deliver Clean Code. Do you want to sell a great product that customers use and love? Do More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Frontend Web Engineer: Design System

Bristol, Gloucestershire, United Kingdom
Hybrid / WFH Options
Just Eat Takeaway.com
with React/Next.js and Vue/Nuxt, any experience of these frameworks is a plus. You can find our design system documentation in . Our Web library is open source and can be found at . Additionally, our technical documentation can be found at . What will you bring to the team? A background as a frontend … testing. You have a keen eye for detail, with knowledge of web accessibility (a11y) and performance best practices. Some very nice to haves are: Experience with contribution models for open-source projects or internal libraries. Prior experience in building and maintaining Web Components and Lit. Experience creating accessible products and testing for accessibility. Experience working with frameworks such More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Sourcer (FTC & Perm)

London, United Kingdom
Hybrid / WFH Options
Intercom
hiring managers to deeply understand team needs, technical requirements, and ideal candidate profiles. Proactively identify and engage passive candidates through innovative sourcing methods-including GitHub, GoogleScholar, Stack Overflow, arXiv, open-source communities, tech events, and bespoke search strategies. Experiment with and implement new sourcing tools, outreach methods, and engagement tactics to increase pipeline quality and diversity. Act as … talent globally. A strategic mindset with a proactive approach to talent discovery-you don't wait for reqs to get started. Expertise in sourcing beyond LinkedIn (e.g. GitHub, Kaggle, open-source projects, technical blogs, conferences, custom Boolean strings). Strong communication and storytelling skills-you know how to craft compelling outreach messages that resonate with technical candidates. Ability … a great culture while still providing flexibility to work from home. We expect employees to be in the office at least three days per week. We have a radically open and accepting culture at Intercom. We avoid spending time on divisive subjects to foster a safe and cohesive work environment for everyone. As an organization, our policy is to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Enterprise Account Executive

London, United Kingdom
Hybrid / WFH Options
Flowable Group
Enterprise Account ExecutiveLondon, United Kingdom Flowable is a leading provider of open-source Intelligent Business Automation that combines the power of Process, Case and Decision management into an enterprise-ready unified platform. Effortless integration, fast-time-to-market, and unmatched flexibility, make Flowable the top choice for companies worldwide to drive operation excellence and lead transformation. As an … related industries Experience with Sales Methodologies like MEDDPICC and PANT Well-connected with a large network across the enterprise market, ideally in the financial services space Previous experience with open-source products, subscription-model software, or BPM sales is a significant plus What you can expect: You will enjoy flexible working-hours, training, and remote working; however, we More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Member of Technical Staff, Field Eng

London, United Kingdom
Anyscale
Anyscale At Anyscale , we're on a mission to democratize distributed computing and make it accessible to software developers of all skill levels. We're commercializing Ray , a popular open-source project that's creating an ecosystem of libraries for scalable machine learning. Companies like OpenAI , Uber , Spotify , Instacart , Cruise , and many more, have Ray in their tech … skills. You should have working knowledge of Python fundamentals, as well as the ability to learn Ray and build Ray applications with various libraries Experience in enterprise SaaS, infrastructure, open source, and/or ML/AI technologies Experience in public cloud and enterprise infrastructure Customer success orientation. You are able to demonstrate technical concepts to technical and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Python Development - London (London)

London, UK
Hybrid / WFH Options
Fitch Group, Inc., Fitch Ratings, Inc., Fitch Solutions Group
or Pyramid. Knowledge of DevOps practices and tools (e.g., Docker, Kubernetes/EKS-based container orchestration). Knowledge of data science and machine learning concepts and tools. Contributions to open-source Python projects or active involvement in the Python community. Experience with Artificial Intelligence (AI) technologies and frameworks. Why Choose Fitch: Hybrid Work Environment: 2 to 3 days More ❯
Employment Type: Full-time
Posted:

Software Engineering Big Data Java Developer Professional Cheltenham, GB

Cheltenham, Gloucestershire, United Kingdom
Avature
Experience working in the public sector or understanding of public sector operations. Knowledge of IBM Big Data and AI solutions. Experience with cloud platforms, preferably IBM Cloud. Contributions to open-source projects or personal projects demonstrating Big Data and Java development skills. Relevant certifications such as Cloudera Certified Associate (CCA) or Hortonworks Certified Developer (HCD) are considered a … everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background. Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as … invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world. Restlessly reinventing since 1911, we are not only one of the largest corporate organizations More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Tech Lead/Technical Manager

South East London, London, United Kingdom
Liv-Ex
or a similar field. Desirable: Experience migrating monolithic architectures to modular or micro frontend systems Exposure to server-side rendering (SSR) or JAMstack frameworks (e.g., Next.js, Vite) Contributions to open-source projects, internal tooling, or frontend design systems Strong UX sensibility or history of close collaboration with UI/UX design teams Experience working within regulated, high-availability More ❯
Employment Type: Permanent
Posted:
Open Source
England
10th Percentile
£51,925
25th Percentile
£71,250
Median
£73,000
75th Percentile
£85,700
90th Percentile
£121,250