1 to 25 of 181 Open Source Jobs in London

Data Engineers x 2 | Open-source data processing, SQL, Python | Energy trading | Up to £85,000 + Bonus + Benefits | Hybrid, LDN Data Engineers are needed for an Energy trading house, active in both the physical & derivative Trading markets. Specialising in providing flexible energy supply, trading, risk management … this is an opportunity for a Data Engineer to get involved in the growing Data Engineering team, building scalable data applications, lakes & infrastructure, using Open-source technologies 💰Up to £85,000 + benefits + good Bonus 📍2-3 days per week in the office 🚂 Shepherd’s Bush/ ...

Isovalent, now part of Cisco, is the company founded by the creators of Cilium and eBPF. Cisco Isovalent builds open-source software and enterprise solutions solving networking, security, and observability needs for modern cloud native infrastructure. The flagship technology, Cilium, is the choice of numerous, industry-leading, global … eBPF. What you'll do Developing high-quality golang and eBPF code for the Cilium OSS/Enterprise and golang ebpf library, while following open source development principles and best practices Technical guidance and mentorship Active participation in the open-source community Possibility to speak ...

Docker containers are the perfect vehicle to host and run AI agents—providing isolation, portability, and reproducibility. You’ll be working on cagent, our open‐source project (https://github.com/docker/cagent), and expanding on it to enable developers to build, deploy, and scale intelligent … implement systems that leverage Docker containers as the ideal runtime for AI agents, ensuring isolation, scalability, and portability Expand cagent: Maintain and evolve the open‐source cagent project, adding new capabilities for containerized agent deployment and orchestration Agent Runtime Development: Build robust infrastructure for packaging, deploying, and managing ...

write React/TypeScript as part of shipping complete features, though it's not the primary focus of the role. Our Stack (100% Open Source) Backend: Golang, Python Infrastructure & Orchestration: Docker, Kubernetes, Airflow, Salt, Ansible, Chef Data: PostgreSQL, Redis, Kafka API: REST, GraphQL Frontend: React with TypeScript What … evolves its compute infrastructure — and how that infrastructure becomes the foundation for services, containers, and cloud workloads as Bloomberg's platform strategy advances. Our open source commitment Bloomberg is deeply invested in open source. We've spent over a decade building critical infrastructure with open source ...

complexity into fun. About Tiptap Chances are high that you've already used Tiptap without knowing it in one of the apps you have open daily. With 37k GitHub stars and over 45M npm downloads per month, Tiptap is the most popular open-source editor framework worldwide … build, every prospect you unblock turns into revenue, into products our customers ship, and into the signal that shapes our roadmap. Our Core Values Open Source: We believe in the power of open source and community collaboration. Transparency: We share knowledge openly. Autonomy and Impact: Your ...

positive direction. Foster and build culture within your team using the values that we set out as an organisation You encourage and drive an open source way of development abiding by open source principles You drive evolutionary and challenging architectural solutions which maintain cohesiveness across … always have an eye on the industry trends You ensure we follow industry best practices You have: Experience creating/contributing to an open source project Experience managing a team of software engineers Architected and built performant, scalable, resilient public facing products Experience in Javascript Experience with state ...

positive direction. Foster and build culture within your team using the values that we set out as an organisation. You encourage and drive an open source way of development abiding by open source principles. You drive evolutionary and challenging architectural solutions which maintain cohesiveness across … always have an eye on the industry trends. You ensure we follow industry best practices. You have: Experience creating/contributing to an open source project. Experience managing a team of software engineers. Architected and built performant, scalable, resilient public facing products. Experience in Javascript. Experience with state ...

Company Description WireMock is the industry standard for API environment simulation. With a massive global open-source footprint and deep adoption across the Fortune 500, we provide the critical infrastructure that engineering teams use to de-couple development from fragile dependencies. As AI agents and LLM-integrated apps … function without them where necessary. Cares about user delight over technical purity. Writes code in Java, Kotlin and ideally Javascript. Enjoys contributing to open source, including writing and speaking. Proactively improves their own skills and understanding of the domain they’re working in Salary range £80k-110k. Java ...

Research Engineers | Frontier AI Lab I am partnering with a high-growth Frontier AI Lab, developing an open-source platform to unify structured and unstructured data into advanced knowledge graphs. The company is now expanding its research team and seeking exceptional AI Research Engineers to contribute … role focuses on developing new novel architectures. Responsibility: • Designing and developing novel model architectures in-house • Post-training and adapting state-of-the-art open-source foundation models • Owning projects end-to-end, from initial research through to production Experience: • Strong ML research track record (publications, open ...

constrained by legacy methodology; you’ll be encouraged to shape how it’s done. The Role The verification approach is flexible and evolving, combining open-source and in-house tooling rather than relying on rigid, traditional frameworks. Engineers here are expected not just to verify designs … closely with designers to resolve them Build and improve verification infrastructure, including test frameworks and CI systems Contribute to internal tooling and, where appropriate, open-source projects Requirements Strong debugging and problem-solving ability in complex hardware systems 2+ years’ experience in RTL functional verification (FPGA or ASIC ...

with message queues (Kafka, RabbitMQ) Exposure to Real Time systems or high-frequency data processing Nice to Have Experience with LLM APIs (eg, OpenAI, open-source LLMs) Knowledge of vector databases (FAISS, Pinecone) Experience with Kubernetes and container orchestration Contributions to open-source or strong GitHub ...

analysis using Python (pandas, numpy) Understanding of data pipelines and ETL processes AI/LLM Engineering Experience integrating LLM APIs (OpenAI, Anthropic, Gemini, or open-source equivalents) into production applications Understanding of core LLM concepts: context windows, token limits, temperature, system prompts, and model selection trade-offs Experience … Experience building scalable backend systems Ability to work across multiple domains (backend, DevOps, data) Examples of taking projects from idea to production Contributions to open source or personal projects Note : Prolo is a startup with a small engineering team, which means you'll be expected to be versatile ...

Timeseries Forecasting models to solve complex enterprise business and planning challenges. Generative AI Architecture: Architect GenAI solutions, focusing on fine‐tuning proprietary and open‐source Large Language Models (LLMs) via Transformer architectures for specialised enterprise data tasks. Next‐Gen Interfaces: Design and integrate Conversational AI and autonomous Agentic … analytics applications. Familiarity with Anaplan or similar enterprise planning platforms. Experience with A/B testing and experimentation frameworks for AI features. Contributions to open‐source ML projects or research publications. Our Commitment to Diversity, Equity, Inclusion, and Belonging (DEIB) We believe at Anaplan that diversity, equity, inclusion ...

current estate includes Sybase (ASE, IQ & Rep), MS SQL, and Oracle. Expertise in Sybase and MS SQL is essential, while exposure to Oracle and open-source technologies is highly desirable. This is a hands‐on role for an experienced DBA who enjoys solving challenging problems, improving performance … scripting Scripting of DB snapshotting automation (leveraging REST APIs, Pure storage) Desirable: Experienced with Oracle technologies Good understanding of Kubernetes technology Knowledge of open‐source technologies such as PostgreSQL, MySQL, MongoDB Project management experience Understanding of Intel Windows server technology (Windows 2022 administration) Basic understanding of current ...

Stackable is an innovative technology company focused on delivering cutting-edge, opensource Big Data solutions for data lakehouses, data mesh, event processing and AI. We specialise in designing, deploying, and managing scalable datainfrastructures that empower businesses to harness the power of data effectively. Our core product, the Stackable Data Platform … looking for a skilled Solutions Architect with a strong background in Big Data to joinour team. The ideal candidate will have expertise in open source Big Data technologies and Kubernetes and DevOps practices . This role will be instrumental in designing, implementing, and optimizing cloud-based ...

make and document key technical decisions Promote secure-by-design principles across all aspects of platform development Establish and maintain core engineering tooling, including source control, CI/CD pipelines, infrastructure-as-code, and automated testing frameworks Platform Engineering Design and implement identity and access management solutions with robust … workflow, and operational capabilities to support governance and compliance requirements Implement networking, monitoring, and security controls for highly secure environments Evaluate and integrate appropriate open-source technologies and third-party components Contribute to the design and delivery of scalable, resilient, and maintainable distributed systems Collaboration & Team Development ...

highly complex and heterogeneous scientific data such as from nuclear magnetic resonance (NMR), deploying and productionizing these models internally and externally, contributing to open-source software, and large-scale data analysis, curation, and pipeline building. Key Responsibilities Develop innovative machine learning approaches to elucidate and quantify the interactions … time series Strong dev-ops skillset, with proficiency in model deployment, versioning, distributed architectures, and containerization Track record of completed scientific software projects or open-source project contributions Skills and Abilities Strong written and verbal communication skills, with the ability to communicate effectively with team members in diverse ...

. They are building advanced technology that powers high-performance financial markets infrastructure. The company is known for its strong engineering culture, commitment to open-source technologies, and modern development practices. Their platform processes large volumes of real-time market data and supports a low-latency, high-throughput … global market participants. The Role: They are seeking a Java Software Engineer with a genuine passion for software development, agile practices, and modern open-source technologies to join their highly skilled engineering team. You will have the opportunity to contribute to the development of a cutting-edge distributed ...

What You'll Do As a Computer Vision Engineer at Ultralytics, you will be at the forefront of developing and refining our world-class, open-source AI models. You will drive the entire lifecycle of our models, from research to real-world deployment. Key responsibilities include: Developing, training … Excellent problem-solving skills and the ability to perform in a fast-paced, high-intensity environment. A strong portfolio of projects or contributions to open-source AI repositories. 🌟 Cultural Fit - Intensity Required Ultralytics is a high-performance environment for world-class talent obsessed with achieving extraordinary results. ...

storage abstractions, orchestration services and platform tooling that simplify how researchers and engineers interact with massive datasets. The work spans performance optimisation, infrastructure automation, open-source storage integration and operational engineering across highly demanding Linux environments. Key responsibilities: • Build scalable storage and orchestration services across hybrid infrastructure environments … Design platform layers that provide seamless access across distributed storage technologies • Evaluate and integrate open-source and vendor storage tooling into a unified platform • Improve storage throughput, data locality and platform efficiency for research workloads • Collaborate closely with compute, networking and observability teams across the wider platform estate ...

Open Source Pledge is seeking a developer for its London team to build Hegel, a new family of property-based testing libraries. You will work on open-source initiatives requiring proficiency in property-based testing and familiarity with languages like Python and Rust. The role emphasizes ...

Machine Learning team in Corporate and Investment Banking is transforming the operations of the world’s largest bank by leveraging the latest advancements in open source artificial intelligence and proprietary frontier models. To facilitate rapid growth, the team is focusing expertise in key "Domains" that are crucial … Domains. We seek an team member with a strong foundation in artificial intelligence and software engineering, who has made significant contributions to open source projects and/or led the development and maintenance of AI systems vital to business operations. As an Applied AI ML Director within ...

provider routing RAG architecture and domain knowledge layers Fine-tuning and evaluation pipelines Agentic systems and orchestration Production-grade AI infrastructure (cloud-based, with open-source integration) This is a hands-on role in a lean environment close to the architecture and build, not managing from a distance. … have: Built and deployed AI systems in production environments Strong hands-on experience with: LLMs/small language models RAG and vector-based architectures Open-source models (e.g. Llama/Mistral) Cloud experience (Azure preferred) Background in fast-paced, engineering-led environments (startup/scale-up) A desire ...

role, on a team based in London, is responsible for building out Hegel, our new family of property-based testing libraries. We are building open source libraries to provide top quality property-based testing in every language, both for the benefit of the community at large, and because … languages. Expert-level in at least one language that you would be keen to be "tastemaker" for a Hegel implementation. Having maintained an active open source library is a strong plus. The Tech: You can see most of the tech in question on https://github.com/ ...

cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email … fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our open-source projects here ! Purpose of the Role As a Site Reliability Engineer on the Application Edge team at Proton, you will help build ...