1 to 25 of 209 Open Source Jobs

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 ...

Lead Software Engineer Salary: £70,000 - £80,000 Location: Leicester (Hybrid - 2 days per week in office: Tuesday & Thursday) Industry: Open-Source/Enterprise Web Applications The Opportunity I'm recruiting for an ambitious Leicester-based tech company that's expanding its engineering leadership team. This role … mentor a team, and deliver enterprise-grade solutions. You'll lead a team of around 15 developers, working in a collaborative environment that values open-source contributions, code quality, and professional growth. What You'll Be Working On Leading the design, development, and maintenance of scalable web applications ...

infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment … driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy. Job Description Mirantis is inviting an experienced and client ...

infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment … driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy. Job Description Mirantis is inviting an experienced and client ...

infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment … driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy. Job Description Mirantis is inviting an experienced and client ...

infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment … driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy. Job Description Mirantis is inviting an experienced and client ...

infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment … driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy. Job Description Mirantis is inviting an experienced and client ...

Level Software Engineer Salary: £45,000 - £55,000 Location: Oxford (Hybrid - 3 days per week in office) Industry: Open-Source Software/Digital Platforms The Opportunity I'm recruiting for an innovative Oxford-based tech company that's expanding its engineering team to support its growing suite … open-source digital platforms. This role is perfect for a mid-level Software Engineer who wants to take on exciting projects while benefiting from mentorship and guidance from a supportive senior engineering team. You'll join an engineering team of around 12 developers, working in a collaborative environment ...

Level Software Engineer Salary: £45,000 - £55,000 Location: Derby (Hybrid - 1 day per week in office) Industry: Open-Source/Cloud-Based Platforms The Opportunity I'm recruiting for a forward-thinking Derby-based tech company that's expanding its engineering team. This role is perfect … level Software Engineer who wants to work on scalable open-source applications while learning from a supportive senior team. You'll join a team of around 10 developers, working in a collaborative environment where code quality, innovation, and professional development are genuinely encouraged. What You'll Be Working ...

Digital Verification engineers in Cambridge. Imagine the innovations we could achieve if production-ready, commercial-grade IP and engineering systems were freely available. Open-source development has the potential to transform the semiconductor industry. Our Ibex CPU and OpenTitan Root of Trust projects have reached production silicon, working … with world-leading partners including Google and combining open-source principles with best-practice chip design methodologies. The Role You will apply industrial-strength design verification to high-quality open-source designs, helping raise verification standards to the highest commercial level. Your work will span block ...

application through as soon as possible. Imagine the innovations we could achieve if production-ready, commercial-grade IP and engineering systems were freely available. Open-source development has the potential to transform the semiconductor industry. Our Ibex CPU and OpenTitan Root of Trust projects have reached production silicon … working with world-leading partners including Google and combining open-source principles with best-practice chip design methodologies. The Role You will apply industrial-strength design verification to high-quality open-source designs, helping raise verification standards to the highest commercial level. Your work will span ...

join our rapidly expanding team, working at the forefront of technology. Working with us will mean delivering critical digital services based on Java and open-source software. We specialises in the transformation of legacy solutions to modern cloud-native architectures. We deliver solutions using DevOps principles and modern … agile ways of working using a range of technologies including Java and its open-source ecosystem, microservices, infrastructure-as-code, NoSQL databases, containerisation, JEE and Oracle, hosted on cloud (AWS/Azure) and on-premise platforms. As a Quality Engineer, you'll be tasked with a wide range ...

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 ...

like to acknowledge that almost no candidate checks every box – and that is perfectly fine. If you are passionate about solving complex challenges and open to learning new technologies, we would love to hear from you. How we work: We are a small, early-stage team with big ambitions. … motivated by impact tend to thrive. Nice to have: Machine Learning: Experience in generative models, LLMs, multi-modal models and Deep Learning more generally. Open-source: Contributions to and experience in open-source projects. Startup experience: Experience in an early-stage startup environment. Why join ...

based The Full Stack Developer will be responsible for the development and testing of a full stack web application using modern Microsoft and Open-source technology Profile Full stack web development using Microsoft and open-source technologies Backend C# development Frontend Angular/JavaScript/TypeScript ...

translate wireframes and prototypes to polished, accessible product UIs. Hands-on experience integrating LLMs/generative models into applications (OpenAI, Anthropic, local/open-source LLMs): prompt engineering, response handling, safety guardrails, RAG architectures. Good understanding of how large language models work, including transformer architecture, tokenization, attention mechanisms … component libraries (Figma workflows, design tokens) Background in regulated industries (healthcare, pharma, finance) with awareness of compliance and data governance constraints. Contributions to open-source projects, public talks or technical writing about LLM-enabled UX or frontend engineering. How to Apply Please submit your CV via the application ...

practices in K8s deployments. Promote K8s best practices & mentor software engineers. Collaborate across teams to drive K8s adoption in multi-cloud and hybrid environments. Open-Source Contributions in the Kubernetes community. Qualifications Kubernetes Expertise Designing, deploying, and managing K8s clusters (AKS, EKS, GKE, OpenStack, etc.). Hands … experience with K8s core components (Karpenter, cluster autoscaler, CNI, CSI, CRI, CRD, operators). 5+ years in Kubernetes infrastructure. Contributing to open-source Kubernetes projects. 10+ years: software engineering experience. Go, Python, Bash, etc. (one or more). IaC tools proficiency (Terraform, Helm). CI/CD pipelines ...

secure access with Cloudflare Connect internal tools safely using Tailscale/Netbird VPN and access controls Plan smart deployments using co-location and open-source services Work with business teams to roll out SaaS tools that support company growth Keep us compliant with GDPR, HIPAA … Practical experience with Docker, Python, Backup scripts & Monitoring A clear understanding of cloud networking and security Strong communication skills and a proactive approach Promote Open-Source software tools Bonus: Experience with hybrid cloud, monitoring tools, or ML in the cloud What's next If you're ready ...

your skills and develop your career across a range of languages and platforms. Many of their projects also involve Geographic Information Systems (GIS) and open-source geospatial technologies, helping clients unlock the value of location-based data through mapping, spatial analysis and data-driven decision making. Skills … enhancing and maintaining software, infrastructure and deployment pipelines that are robust, secure and scalable. Projects may include solutions involving geospatial data, GIS platforms and open-source mapping tools. Work collaboratively across disciplines: partnering with Senior and Lead Engineers, Delivery Managers, Designers and Data Scientists to shape solutions, contribute ...

disaster recovery. • Experience of setting up CI/CD pipelines including production deployments • Configuration management tooling. • Package/dependency management solutions. • Commercial or open source observability tooling. • Comfortable provisioning platforms through IaC tools. • Robust understanding of on-premise infrastructure. • The ability to apply DevOps tools and practices … inform you that we are unable to provide detailed feedback to candidates who have not been shortlisted (for further consideration). Job Segment: Open Source, Cloud, Sustainability, Bank, Banking, Technology, Energy, Finance ...

Java Software Developer - Java - Mostly Remote working Are you a Software Developer with a passion for open-source technology, such as Java, to work on innovative real-time solutions? We're looking for a Software Engineer with strong Java & SQL skills to join our growing client in Warrington … some DevOps knowledge They are a dynamic software team of six, focused 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 ...

with the latest technologies and trends in Python development and actively contribute to the team's technical knowledge base. Contribute to Machine Learning related Open Source initiatives. Requirements : The technical requirements for the role are: Extensive professional experience as a Python-based developer. Experience with modern Python development … pipelines. Advanced proficiency with code maintenance tools and best practice, including Git and configuring workflows. Experience either contributing to or maintaining Python based open-source projects. Have a passion for code quality and things done right. Additional beneficial experience includes: Familiarity with CUDA and optimising highly parallelised ...

under demanding operational conditions. Key Duties and Responsibilities: Design, develop, and maintain software products as directed by the Software Lead or Senior Management. Ensure source control (Git) is used for all projects, following best practices such as branching and merge strategies. Maintain accurate and up-to-date build documentation … ensure reliability and maintainability. Track, manage, and resolve issues via repository cards (e.g., GitHub Issues, Jira, or equivalent). Research and integrate existing open-source packages where suitable, ensuring all third-party code is properly licensed. Collaborate with hardware, firmware, and geophysics colleagues to deliver integrated solutions. Contribute ...

experimental background. The Role You will: Design, build and deploy LLM-driven features into live products and platforms Work with both commercial and open-source LLMs , selecting the right model for each use case Build and optimise RAG pipelines , embeddings and vector-based retrieval solutions Develop APIs … FastAPI/Flask or similar Strong understanding of trade-offs around accuracy, latency, cost and scalability Highly Desirable Experience working with or fine-tuning open-source LLMs Familiarity with LLMOps (monitoring, evaluation, guardrails, versioning) Experience integrating LLMs into complex or data-heavy systems Docker and Linux experience Background ...

full software development lifecycle, including architecture, technical design, C++ development, bug fixing, as well as functional and performance validations. Be part of the open-source XRP ledger community, setting high standards for coding, testing, and deployment. Actively participate in code reviews to maintain the high quality … Ability to learn new technologies and languages quickly. Ability to independently solve highly complex problems with creative solutions. Nice to have: Experience in developing open-source software and contributing to collaborative blockchain communities. WHO WE ARE: Do Your Best Work The opportunity to build in a fast-paced ...