1 to 25 of 123 Remote Open Source Jobs in England

Senior Software Engineer Salary: £55,000 - £65,000 Location: Cambridge (Hybrid - 2 days per week in office) Industry: Open-Source Software/Data & Collaboration Platforms The Opportunity I'm recruiting for a fast-growing Cambridge-based technology company that's making waves in open-source software … team growth. You'll be joining an engineering team of around 10 developers, working in a collaborative environment where mentorship, technical excellence, and open-source contributions are genuinely encouraged. What You'll Be Working On Designing, developing, and maintaining scalable open-source applications Building new features ...

Senior Software Engineer Salary: £55,000 - £65,000 Location: Cambridge (Hybrid - 2 days per week in office) Industry: Open-Source Software/Data & Collaboration Platforms The Opportunity I'm recruiting for a fast-growing Cambridge-based technology company that's making waves in open-source software … team growth. You'll be joining an engineering team of around 10 developers, working in a collaborative environment where mentorship, technical excellence, and open-source contributions are genuinely encouraged. What You'll Be Working On Designing, developing, and maintaining scalable open-source applications Building new features ...

Improving system performance, reliability, and security Projects include API-first platforms, data-driven services, and internal tooling that supports customer-facing applications. Tech Stack (Open-Source) Backend: Node.js (TypeScript) Frameworks: Express or NestJS APIs: REST, GraphQL Databases: PostgreSQL, MongoDB Infrastructure: Linux, Docker, CI/CD pipelines Cloud … Commercial experience as a Software Engineer Strong experience building backend services with Node.js Familiarity with TypeScript and modern JavaScript practices Experience working with open-source technologies in production Comfortable owning features from development through to delivery A collaborative mindset and experience working in Agile teams Salary & Benefits Salary ...

performing ecommerce experiences. Key Responsibilities Shopify Development Maintain, optimise, and enhance existing Shopify stores. Build new websites, storefronts, and landing pages using Shopify and open-source frameworks. Custom-code Shopify themes, templates, and features using Liquid. Implement and configure third-party integrations, apps, and payment gateways. Ensure fast … Diagnose and resolve technical issues across all company websites. Web Development Build and maintain in-house websites using HTML, CSS, JavaScript, PHP, or similar open-source technologies. Develop custom web functionality and integrations where required. Improve site architecture, navigation, and overall user experience. Test and deploy updates ...

optimization to runtime integration of AI models on-device. Toolchain Evaluation: Compare deployment toolchains and runtimes for latency, memory, and accuracy trade-offs. Open-Source Contribution: Enhance open-source libraries by adding new features and improving capabilities. Experimentation & Analysis: Conduct rigorous experiments and statistical analysis ...

already secured significant early-stage funding, including a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging … experience working with cross-functional software development teams Experience shipping and iterating on production-grade software components professionally and/or in the open-source community Ability to write robust, well tested, and well-designed code that frequently gets deployed to users Strong understanding of product development ...

office) Industry: Sustainable Technology/Data & Analytics Platforms The Opportunity I'm recruiting for a growing Birmingham-based tech company that's building open, scalable software used to power data-driven platforms in the sustainability and energy space. This is an exciting opportunity for a Senior Software Engineer … Working closely with Product, Design, and Data teams Projects include customer-facing dashboards, data ingestion services, internal tooling, and API-first platforms. Tech Stack (Open-Source) Backend: PHP (Laravel), Python Frontend: JavaScript, TypeScript, React APIs: REST, GraphQL Databases: PostgreSQL, MySQL, Redis Infrastructure: Linux, Docker, Kubernetes, CI/ ...

office) Industry: Sustainable Technology/Data & Analytics Platforms The Opportunity I'm recruiting for a growing Birmingham-based tech company that's building open, scalable software used to power data-driven platforms in the sustainability and energy space. This is an exciting opportunity for a Senior Software Engineer … Working closely with Product, Design, and Data teams Projects include customer-facing dashboards, data ingestion services, internal tooling, and API-first platforms. Tech Stack (Open-Source) Backend: PHP (Laravel), Python Frontend: JavaScript, TypeScript, React APIs: REST, GraphQL Databases: PostgreSQL, MySQL, Redis Infrastructure: Linux, Docker, Kubernetes, CI/ ...

Full Stack Software Developer - Java - Mostly remote working Are you a passionate Software Developer with a keen interest in open-source technology, particularly Java, who wants to work on innovative real-time solutions? We're seeking a Software Engineer with strong Java and SQL skills to join … would be some DevOps knowledge This dynamic software team of six is focussed on developing cutting-edge solutions. You'll work with the latest open-source technologies to create scalable, high-performance applications that power real-time solutions. Hands-On Development - Work on new projects from the ground ...

Threat Intelligence Specialist to help build out their CTI capability from the UK. You will be leading in the collection, analysis and investigation of open-source intelligence covering security threats, vulnerabilities and malware samples. This is an excellent opportunity for a Cyber Threat Intelligence Specialist to work directly … best in class threat intelligence capability, whilst interacting and collaborating with other industry experts in knowledge sharing groups and initiatives. Key Responsibilities Perform open source intelligence gathering and analysis, identifying indications of cyber threats, malicious code and other vulnerabilities. Produce reports on cyber threats, attacks and incidents ...

Threat Intelligence Specialist to help build out their CTI capability from the UK. You will be leading in the collection, analysis and investigation of open-source intelligence covering security threats, vulnerabilities and malware samples. This is an excellent opportunity for a Cyber Threat Intelligence Specialist to work directly … best in class threat intelligence capability, whilst interacting and collaborating with other industry experts in knowledge sharing groups and initiatives. Key Responsibilities Perform open source intelligence gathering and analysis, identifying indications of cyber threats, malicious code and other vulnerabilities. Produce reports on cyber threats, attacks and incidents ...

ontology-based data models Familiarity with controlled or cross-domain data sharing patterns Experience with Infrastructure-as-Code (e.g. Terraform, CloudFormation) Exposure to open-source data platforms or frameworks Contractor Profile Able to deliver independently with minimal supervision Comfortable working within structured delivery frameworks Strong analytical and problem ...

reactive programming (e.g., Reactor, Coroutines) Domain-Driven Design (DDD) exposure Experience in data streaming technologies (Kafka, Pulsar, etc.) Interest in contributing to internal IP, open-source work, or technical communities What We Offer Competitive salary + bonus Flexible working arrangements Private health, pension, and generous holiday allowance Opportunities ...

reactive programming (e.g., Reactor, Coroutines) Domain-Driven Design (DDD) exposure Experience in data streaming technologies (Kafka, Pulsar, etc.) Interest in contributing to internal IP, open-source work, or technical communities What We Offer Competitive salary + bonus Flexible working arrangements Private health, pension, and generous holiday allowance Opportunities ...

case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake ...

case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake ...

structured, pragmatic solutions Write clean, maintainable, and well-tested code in languages and frameworks such as Node.js, TypeScript, and React (they also use other open-source languages and frameworks) Contribute to estimates and technical planning alongside your team and the Client Lead Communicate clearly and confidently with both ...

term security hardening practices You appreciate building systems with good engineering practices and may have a background in software engineering at scale You're open to being a part of an on-call rota, ready to respond if we have a severe, platform-impacting security tooling failure or need … private Data Centers Kubernetes, Helm, Flux Distributed systems, mostly Golang based with CockroachDB and NATS SIEM/SOAR, EDR, CNAPP, and a suite of open source tools with custom integrations This is a fully remote role, please email your CV to apply ...

focused approach, ideally within fast-paced tech organisations (start-ups or scale-ups) Knowledge of Kafka, Cassandra, gRPC, and microservices is a strong advantage Open-source contributions are beneficial If you're a Senior Go Developer looking for a challenging 6-month contract with a forward-thinking tech ...

Management. Experience in TDD and enterprise Angular applications (Angular 12+ or similar). Knowledge of Java 8+, Spring Boot, Spring MVC, RESTful APIs, and open-source frameworks. Proficiency in TypeScript, HTML5, CSS3, SCSS, and responsive web design. Exposure to AWS technology stacks (serverless applications, Step Functions/Workflows ...

seeking a Cloud Engineer with Enhanced Developed Vetting , and strong experience in automating software delivery pipelines within highly scalable, secure systems that leverage open-source technologies. They thrive on solving complex challenges through creative thinking and innovative use of the latest tools and technologies. The culture is inclusive ...

your time. 1. Application: Submit your CV and a cover letter to careers@phixflow.com explaining your relevant experience, both from paid work or other open-source projects you are involved with. 2. Online Assessment: Successful applicants will be invited to complete a short intellectual challenge (logic test) designed ...

your time. 1. Application: Submit your CV and a cover letter to careers@phixflow.com explaining your relevant experience, both from paid work or other open-source projects you are involved with. 2. Online Assessment: Successful applicants will be invited to complete a short intellectual challenge (logic test) designed ...

your time. 1. Application: Submit your CV and a cover letter to careers@phixflow.com explaining your relevant experience, both from paid work or other open-source projects you are involved with. 2. Online Assessment: Successful applicants will be invited to complete a short intellectual challenge (logic test) designed ...

your time. 1. Application: Submit your CV and a cover letter to careers@phixflow.com explaining your relevant experience, both from paid work or other open-source projects you are involved with. 2. Online Assessment: Successful applicants will be invited to complete a short intellectual challenge (logic test) designed ...