1 to 25 of 31 Remote/Hybrid Open Source Jobs in London

Account Executive – EMEA B2B SaaS/Data Infrastructure/IoT/Streaming/Open Source Join a profitable, well-funded global software company building the backbone of real-time connectivity for modern enterprises. This company is the creator of one of the world's most widely adopted open-source messaging and data streaming platforms, trusted by developers and enterprises to power mission-critical systems across IoT, industrial automation, energy, automotive, financial services, AI, and event-driven architectures. With deep roots in open source and a strong engineering-led culture, the platform is used globally ...

+ equity We're hiring for a UK cyber security startup building a platform that helps organisations detect malicious open-source code and secure their software supply chain in real time. The product continuously scans dependencies, surfaces risk clearly, and helps teams prevent compromised packages from entering … curious about cyber security, this is a chance to build something genuinely important. Why this is interesting (especially if you like cyber) Open source and third-party dependencies are now one of the biggest attack paths for modern organisations. This team is tackling that head-on with ...

FinOps & Model Routing • Framework Expertise: Hands-on development experience with one or more orchestration frameworks (e.g., LangChain, LlamaIndex, Semantic Kernel). • Thought Leadership & Open Source: Published work (whitepapers, patents), conference speaking engagements, or active contributions to relevant open-source projects. • Certifications: Professional-level cloud certifications (e.g. ...

ground up, focusing on the flow of funds first to help businesses realize their product visions on a solid financial foundation. Starting with an Open Source Ledger (i.e. a database for financial transactions), we’re building a comprehensive suite of modern financial backend modules, including native and automated … leading SaaS companies and financial institutions like Booksy, Doctolib, and Liberis, along with many others worldwide. Our success stems from the trust in our open-source foundation, the high level of programmability of our solutions, and our software-first approach, moving beyond traditional payment business models. ...

Role : Full Stack Engineer Location: Glasgow, UK Hybrid: 2 days to office Job Type : Permanent role Summary: Looking for Expertise in advanced Java and open-source technologies. Skilled in Spring Boot, Hibernate, Microservices, Docker, Kubernetes, JPA, MySQL, SQL Server, Snowflake, REST API, Apache Kafka, Jenkins, CI/ ...

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) Other Stuff NB: Please only apply if you are a UK National ...

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) Other Stuff NB: Please only apply if you are a UK National ...

solutions to complex technical problems independently Desirable experience Experience in designing and implementing Docker images through containerisation Experience in prototyping through reuse of existing Open-Source components Benefits In return, you can expect a planned, transparent progression with learning and development tailored to your role, an environment with ...

Banking/Financial Services Advantageous to have • Familiarity with distributed systems and orchestration • Experience with performance optimization and large-scale data processing • Contributions to open-source projects • Experience working with Large Language Models (LLMs ...

train, evaluate and optimise models Implement and scale solutions on AWS (SageMaker, Bedrock, Lambda, etc.) Contribute to generative AI initiatives using Hugging Face and open-source models Collaborate with data engineers, architects and stakeholders to deliver production systems Required Skills & Experience: 38 years experience in AI, Machine Learning ...

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 ...

software engineering practices to data (CI/CD, version control, automated testing) Working across cloud platforms in a vendor-agnostic way Contributing to open-source tooling where appropriate What We re Looking For Operates confidently at senior level Comfortable working independently within defined delivery scopes Strong communicator able ...

with experience working with all levels of business. ** A background of leading teams of Engineers writing business critical/complex solution in polyglot/opensource languages (java, Golang, Python etc) ** Manage teams capacity, estimation to ensure the team is able to provide an appropriate view of work and suggest potential ...

development of complex data components and subsystems, taking ownership from design through to testing and defect resolution. Provide hands-on design and development using open source and commercial platforms. Define and enforce development best practices, coaching team members to maintain high-quality code and consistency. Collaborate with architects ...

Experience with agent communication protocols (e.g., MCP or equivalent). Background in edge/on-device deployment with memory and latency constraints. Contributions to open-source agent frameworks. Experience operating ML platforms or MLOps infrastructure. Experience with systems languages (Go, Rust) for performance-sensitive components. Public technical contributions ...

Experience working with mobile applications (React Native/Kotlin/Swift). Experience working in regulated industries or multi-client B2B systems. Contributions to open-source Ruby projects or technical blogging. Benefits Private healthcare after your probation (including children) Hybrid working model 25 days holiday Volunteering Leave Free ...

preferences. Collaborate with researchers, engineers, and human feedback teams to build scalable alignment pipelines. Publish findings in top-tier AI conferences and contribute to open-source frameworks. Key Requirements: PhD in Computer Science, Machine Learning, or related field. Publications at NeurIPS, ICML, ICLR, ACL, or related venues. Deep ...

LLMs) and GenAI platforms Agentic frameworks and orchestration patterns RAG pipelines, vector databases, and embeddings Experience across major AI ecosystems (e.g., cloud AI platforms, open‐source LLM tooling) Solid understanding of data engineering, APIs, and enterprise integration patterns Consulting & Leadership Skills Strong client‐facing presence , capable of leading ...

LLMs) and GenAI platforms Agentic frameworks and orchestration patterns RAG pipelines, vector databases, and embeddings Experience across major AI ecosystems (e.g., cloud AI platforms, open-source LLM tooling) Solid understanding of data engineering, APIs, and enterprise integration patterns Consulting & Leadership Skills Strong client-facing presence , capable of leading ...

Ruby on Rails environments. Experience with Docker, Kubernetes, or cloud-native systems. Experience working with external product owners or regulated industries. Contributions to open-source JavaScript projects or technical blogging. Benefits Private healthcare after your probation (including children) Free flu jab for you and your family 25 days ...

security-by-design and privacy-by-design principles Working across cloud environments in a vendor-neutral capacity Familiarity with modern data engineering tooling and open-source ecosystems What We re Looking For Operates confidently at Lead level (SFIA 5) Provides authoritative architectural guidance across teams Strong communicator able ...

Operations teams to ensure technical solutions align with global business goals. Technology & Environment Backend Engineering: Extensive experience with complex software systems using Python preferred; open to other OOP backgrounds Architecture: Building and managing services with standard APIs and external integrations. Observability: Incorporating robust monitoring, alerting, and reliability into every … service. Engineering Culture: Open Source friendly (internal and external) with a pragmatic approach to improving legacy code. Deep understanding of financial systems What’s on Offer Competitive salary and benefits package. Discretionary performance-related bonus. Dedicated budget for continued development, training, and certifications. A dynamic, high-growth environment ...

systems including Windows, Linux, iOS, and Android. Enhance, maintain, and expand existing codebases (C/C++/Python). Integrate third-party commercial and open-source software components. Produce clear and well-structured technical documentation, including specifications, APIs, and integration guides. Support external partners and customers in integrating ...

needs, and driving adoption of internal tooling. Nice to Have's as an AI Engineer: Experience with voice AI or multimodal systems. Contributions to open-source AI projects. Experience working with AI-native developer tools and modern AI IDE workflows. This is a rare opportunity ...

gaming, telecoms, high-scale infrastructure, etc.) Experience with C++ or other systems programming languages Familiarity with CPU architecture and hardware-aware optimisation Contributions to open-source or performance-focused projects Strong academic background in Computer Science, Mathematics, Physics, or related disciplines The Environment Small, highly collaborative engineering teams ...