9 of 9 Part-Time Open Source Jobs in Central London

X Days a week Plymouth - willingness to undergo DV if required Role Overview Defence client requires an SC Cleared AI Engineer to build fully on-premises RAG systems using open-source technologies. You'll develop classified AI capabilities on air-gapped infrastructure with zero external dependencies. Key Responsibilities - Build end-to-end RAG pipelines on isolated defence networks … using open-source LLMs (Llama 3, Mistral, Qwen) - Deploy local vector stores (Chroma, FAISS, Milvus) with sensitive document ingestion pipelines - Host and optimise LLMs using vLLM/TGI on local GPU clusters without internet connectivity - Implement agent orchestration using LangChain/LangGraph in completely offline environments - Design secure document processing for classified materials with appropriate data sanitisation - Build … monitoring and evaluation systems that operate within air-gapped infrastructure Essential Requirements - Active SC Clearance (non-negotiable) - willingness to undergo DV if required - Demonstrable experience deploying open-source LLMs (Llama, Mistral, Falcon) on-premises - Expertise with local vector databases (Chroma, FAISS, Weaviate) in offline deployments - Strong vLLM/Text Generation Inference experience for high-throughput model serving - Proven More ❯

Min 4 days per week in office) Maze is partnering with a stealth-mode startup that's rebuilding core banking from the ground up. Theyre creating the worlds first open-source, AI-native Thin Ledgerset to replace legacy infrastructure at Tier 1 banks. We're looking for a Founding Site Reliability Engineer to drive the infrastructure behind mission … incident response AI-curious or AI-native: excited to build agent-powered ops Someone who is currently hands on (not someone primarily focused on strategy & people management) Passion for open-source, clean architecture Software Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra … Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please More ❯

Environments Manage environments end-to-end, including server-side infrastructure, hosting, and deployments . Collaborate Cross-Functionally Work closely with engineers, archiect and stakeholders to deliver robust solutions. Leverage Open-Source Tech Utilize and contribute to modern open-source tools and frameworks. What Were Looking For Proven experience as a Senior Fullstack PHP Developer working on More ❯

Environments Manage environments end-to-end, including server-side infrastructure, hosting, and deployments . Collaborate Cross-Functionally Work closely with engineers, archiect and stakeholders to deliver robust solutions. Leverage Open-Source Tech Utilize and contribute to modern open-source tools and frameworks. What Were Looking For Proven experience as a Senior Fullstack PHP Developer working on More ❯

join a fast-growing, well-funded fintech and be part of our journey as we continue to develop and scale our distributed financial risk platform. We have multiple roles open and this would suit either a mid/senior-level engineer looking for a new challenge, or a senior engineer looking to move into a technical lead role. Location … improve CI/CD pipelines and infrastructure (AWS, Ansible, GitHub Actions). Write clean, maintainable, and well-tested code. Mentor team members and share knowledge across disciplines. Contribute to open-source libraries and research where relevant. Demonstrate a strong understanding of BondAvals ethos and values in your work. Actively seek to understand the business, product, and our customers … databases (Postgres) and NoSQL databases (MongoDB, Redis, Cassandra). Experience with RESTful API design and integration. Familiarity with front-end frameworks (VueJS, React, or Angular). Good knowledge of source control (Git) and CI/CD tools. Understanding of infrastructure and deployment (AWS, Ansible, Kubernetes). Architectural skills and experience with microservices. A genuine interest in AI and LLMs More ❯

scale, data-driven applications Product-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 youre a Senior Go Developer looking for a challenging 6-month contract with a forward-thinking tech company, apply today. We are an More ❯

AWS SageMaker, or Azure AI. Knowledge of AI security, model explainability, and Responsible AI principles. Experience building or integrating voice-enabled chatbots and multi-modal systems. Experience working with open-source AI tools and hardware like GROQ is a plus. Hands-on experience deploying AI services in WordPress or similar CMS environments. Excellent communication skills and ability to More ❯

and developing your technical skills as the company scales What Youll Bring A STEM degree (or equivalent qualification) Evidence of your passion for technology whether through personal projects, internships, open-source contributions, or hackathons Familiarity with at least one programming language (JavaScript, TypeScript, Python, etc.) Willingness to learn React, TypeScript, Next.js, Tailwind CSS, and AWS A collaborative mindset More ❯

Robotics or autonomous systems experience. RL applications (PPO, DPO, SAC, etc.). Productisation of neural networks for real-world use. Publications in major ML/AI conferences or strong open-source contributions. Whats on Offer Competitive salary plus stock options. Generous paid leave (aligned with local standards). Travel opportunities across global office hubs. Office perks including meals More ❯