101 to 125 of 183 Open Source Jobs in London

and creation of solutions from 0-1, solving ambiguous and complex challenges. Experience working on software infrastructure or building Cloud native software using Kubernetes. Understanding of systems design and Open Source components. If you have knowledge of building virtual machines - Virtual servers, virtual networking or network programming - that's a plus... but definitely not needed! If this sounds More ❯

and creation of solutions from 0-1, solving ambiguous and complex challenges. Experience working on software infrastructure or building Cloud native software using Kubernetes. Understanding of systems design and Open Source components. If you have knowledge of building virtual machines - Virtual servers, virtual networking or network programming - that's a plus... but definitely not needed! If this sounds More ❯

AI features to life Continuously research and prototype new techniques in AI orchestration and agentic reasoning What We’re Looking For Proven experience with LangGraph (bonus: contributions to the open-source project) Strong background in Python, LangChain, OpenAI APIs, and LLM architectures Familiarity with vector databases, retrieval-augmented generation (RAG), and prompt engineering Understanding of software design principles More ❯

AI features to life Continuously research and prototype new techniques in AI orchestration and agentic reasoning What We’re Looking For Proven experience with LangGraph (bonus: contributions to the open-source project) Strong background in Python, LangChain, OpenAI APIs, and LLM architectures Familiarity with vector databases, retrieval-augmented generation (RAG), and prompt engineering Understanding of software design principles More ❯

support. Operationalize models with CI/CD pipelines, automated testing, and monitoring, applying MLOps practices such as versioning, retraining, and drift detection (tools: MLflow, Azure ML, Databricks) Leverage both open-source frameworks (LangChain, Hugging Face, etc.) and enterprise platforms (Azure OpenAI, Databricks, etc.) to deliver production ready, scalable AI solutions Implement generative AI and advanced analytics features, including More ❯

you will join an Agile focused team, gaining exposure to: Implementing software solutions including design, development and testing Using a wide range of technologies, specialising in the use of open-source libraries and components Utilising tools to build continuous integration pipelines, which help monitor and ensure software quality and security Deploying software systems to a mixture of environments More ❯

with modern AI frameworks and cloud platforms (AWS, Azure, GCP). Excellent leadership and communication skills, with the ability to influence at all levels. Contributions to research, patents, or open-source projects are highly desirable. To apply for this role please submit your CV or contact David Airey on (phone number removed) or at (url removed). Tenth More ❯

systems. Duties of the Transaction Monitoring Analyst to include: Complex Case Investigation: Conduct in-depth investigations into high-risk fraud and money laundering alerts, using advanced analytical techniques and open-source intelligence to build comprehensive case narratives. SAR Preparation: Draft and finalize thorough Suspicious Activity Reports (SARs) for regulatory reporting, collaborating with the MLRO to ensure all filings More ❯

prototypes, MVPs, and proofs-of-concept using real production data Experiment with LLMs, automation frameworks, advanced ML models, and emerging AI tooling Evaluate and integrate third-party APIs and open-source frameworks Develop reusable components and reference architectures Collaborate with partners including Microsoft, OpenAI, Anthropic and others Share knowledge, mentor engineers, and help embed AI-first thinking across More ❯

prototypes, MVPs, and proofs-of-concept using real production data Experiment with LLMs, automation frameworks, advanced ML models, and emerging AI tooling Evaluate and integrate third-party APIs and open-source frameworks Develop reusable components and reference architectures Collaborate with partners including Microsoft, OpenAI, Anthropic and others Share knowledge, mentor engineers, and help embed AI-first thinking across More ❯

users worldwide You will be mentored by a senior machine learning scientist to make sure you are successful in your mission You will have the opportunity to publish and open-source your work You will be part of a vibrant team of 15+ Applied Scientists based in Paris and London Basic Qualifications: Currently enrolled in a Computer Science More ❯

users worldwide You will be mentored by a senior machine learning scientist to make sure you are successful in your mission You will have the opportunity to publish and open-source your work You will be part of a vibrant team of 15+ Applied Scientists based in Paris and London Basic Qualifications: Currently enrolled in a Computer Science More ❯

an innovative and award-winning Fintech based in London at the forefront of the eTrading space. They are after someone with a genuine passion for Java, agile development and Opensource tech to join an already highly skilled development team. You will have the opportunity to work on a cutting-edge low latency, high throughput distributed FX Trading platform. In this More ❯

fundamental AI research aimed at advancing the broader scientific community, as well as applied AI research with potential impact on chip design and communication systems. We are committed to open science and regularly publish in top conferences such as NeurIPS, ICML, ICLR, and ACL. About The Internship We are seeking highly motivated and talented PhD students to join our … Join Us Gain hands-on experience in state-of-the-art AI research with real-world applications Collaborate with a team of world-class researchers and engineers Contribute to open-source efforts and scientific publications Work with and learn from leading academic and industry experts Hybrid work arrangement Competitive internship compensation Location: London/Cambridge Duration More ❯

understanding of multithreading, concurrency, and system optimization 🛠 Commitment to high-quality code and engineering best practices 🌟 Why This Role Stands Out 💻 Engineering-First Culture: Work with modern tools and open-source technologies 🚀 Fast-Paced Environment: Learn from industry leaders while delivering tangible impact 📈 Real-Time Impact: Your code directly drives live trading in global markets 🤝 Flat, Agile Team More ❯

into production Strong understanding of deep learning frameworks (e.g. YOLO, PyTorch, TensorFlow) Excellent communication and presentation skills with client-facing experience 🚀 What Will Make You Stand Out Contributions to open-source or large-scale computer vision projects Experience with model optimisation, annotation workflows, or training automation Knowledge of cloud deployment and infrastructure (AWS, GCP, or Azure) Ready to More ❯

into production Strong understanding of deep learning frameworks (e.g. YOLO, PyTorch, TensorFlow) Excellent communication and presentation skills with client-facing experience 🚀 What Will Make You Stand Out Contributions to open-source or large-scale computer vision projects Experience with model optimisation, annotation workflows, or training automation Knowledge of cloud deployment and infrastructure (AWS, GCP, or Azure) Ready to More ❯

developing your technical skills as the company scales What You’ll 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 ❯

developing your technical skills as the company scales What You’ll 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 ❯

pipelines to ingest, process and transform data for analytics and reporting. Develop ETL/ELT workflows to move data efficiently into data warehouses, data lakes and lake houses using open-source and AWS tooling. Apply DevOps practices, including CI/CD, infrastructure as code and automation, to improve and streamline data engineering processes. Design effective data solutions that More ❯

pipelines to ingest, process and transform data for analytics and reporting. Develop ETL/ELT workflows to move data efficiently into data warehouses, data lakes and lake houses using open-source and AWS tooling. Apply DevOps practices, including CI/CD, infrastructure as code and automation, to improve and streamline data engineering processes. Design effective data solutions that More ❯

income, derivatives) Experience with distributed computing frameworks (e.g., Spark, Dask) and cloud-native ML pipelines Exposure to LLMs, graph learning, or other advanced AI methods Strong publication record or open-source contributions in ML or quantitative finance Please apply within for further details or call on Alex ReederHarvey Nash Finance & Banking To From Record Yes No Always use More ❯

CSS methodologies (Tailwind, CSS Modules, CSS-in-JS), and modern testing frameworks. Passion for developer experience, tooling, and mentoring. Degree in Computer Science or equivalent experience. Bonus points for: Open source contributions to front-end tooling, design systems, or data-visualisation libraries. Experience with WebSockets, PWAs, offline support, or design-token pipelines. How They Work Speed with craftsmanship More ❯

CSS methodologies (Tailwind, CSS Modules, CSS-in-JS), and modern testing frameworks. Passion for developer experience, tooling, and mentoring. Degree in Computer Science or equivalent experience. Bonus points for: Open source contributions to front-end tooling, design systems, or data-visualisation libraries. Experience with WebSockets, PWAs, offline support, or design-token pipelines. How They Work Speed with craftsmanship More ❯

your work to serve a broad range of users Nice to have, but not essential: Experience designing reporting tools for SaaS, legal tech, or data-rich platforms Experience using open source data visualisation tools Knowledge of accessibility and inclusivity principles in data design Experience of working with market research data, especially within professional services or legal Familiarity with More ❯