1 to 25 of 214 Open Source Jobs in London

Senior Software Engineer Agent & Datapath (eBPF) - Isovalent

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer, Docker Agents (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Docker containers are the perfect vehicle to host and run AI agents—providing isolation, portability, and reproducibility. You’ll be working on cagent, our opensource 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 opensource cagent project, adding new capabilities for containerized agent deployment and orchestration Agent Runtime Development: Build robust infrastructure for packaging, deploying, and managing ...

Senior Software Engineer - MSX Compute Workflows London, GBR Posted yesterday

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Principal Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Research Engineer

Hiring Organisation
Arrows
Location
London Area, United Kingdom
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 ...

Design Verification Engineer

Hiring Organisation
Platform Recruitment
Location
City of London, London, United Kingdom
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 ...

Technical Support Engineer

Hiring Organisation
Formance
Location
City of London, Greater London, UK
terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire lifecycle Provide expert-level technical support for customers using our Open Source Ledger and other backend modules. Troubleshoot complex issues, investigating and diagnosing problems quickly, and escalating them to the development team when necessary. … support and relay feedback for continuous improvement. Ability to prioritize and manage multiple tickets/issues Fluent in English Nice to have : Familiarity with open-source ecosystems, APIs, webhooks, or BE tools Basic understanding of financial services infrastructure (ledgers, reconciliation, transactions) Benefits We offer a competitive package including ...

Account Executive

Hiring Organisation
Ultralytics
Location
City of London, Greater London, UK
Ultralytics , we are shaping the future of Vision AI. Our groundbreaking YOLO (You Only Look Once) models are the world’s most widely used open-source object detection tools, empowering millions of developers and enterprises to build intelligent applications that see and understand the world. Now backed … hand in hand. Why This Role and Why Now Be part of a once-in-a-decade AI success story with an enormous open-source following and clear product-market fit. Join at the moment when Ultralytics is transitioning from foundation building to large-scale global growth. Sell ...

Senior ML Research Engineer

Hiring Organisation
Zettafleet
Location
City of London, Greater London, UK
would love to hear from you. Nice to have: Publications: At top-tier ML/CV/NLP conferences (NeurIPS, ICML, ICLR, CVPR, ICCV) Open-source: Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. ...

Backend Developer

Hiring Organisation
scrumconnect ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
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 ...

Graduate ML Research Engineer

Hiring Organisation
Zettafleet
Location
City of London, Greater London, UK
would love to hear from you. Nice to have: Publications: At top-tier ML/CV/NLP conferences (NeurIPS, ICML, ICLR, CVPR, ICCV) Open-source: Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. ...

Senior Full Stack Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
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 ...

Full Stack Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, Greater London, UK
already secured significant early-stage funding, including a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging … experience working with cross-functional software development teams Experience shipping and iterating on production-grade software components professionally and/or in the open-source community Ability to write robust, well tested, and well-designed code that frequently gets deployed to users Strong understanding of product development ...

Full Stack Software Engineer

Hiring Organisation
83zero Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 - 130,000 Annual
architecture. In this role, you will empower the business with the technology and tools needed to leverage data throughout the organization. This Includes: Deploying open-source BI tools and platforms Setting up streaming data collection and validation services Implementing third-party analytic solutions Assisting with data-centric migration … implement solutions with minimal supervision Experience building internal-facing CRUD applications Familiarity with front-end development and ability to make basic modifications to open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET ...

Full Stack Software Engineer

Hiring Organisation
83zero Ltd
Location
London, Lime Street, United Kingdom
Employment Type
Permanent
Salary
£100000 - £130000/annum
architecture. In this role, you will empower the business with the technology and tools needed to leverage data throughout the organization. This Includes: Deploying open-source BI tools and platforms Setting up streaming data collection and validation services Implementing third-party analytic solutions Assisting with data-centric migration … implement solutions with minimal supervision Experience building internal-facing CRUD applications Familiarity with front-end development and ability to make basic modifications to open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET ...

Principal AI Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Timeseries Forecasting models to solve complex enterprise business and planning challenges. Generative AI Architecture: Architect GenAI solutions, focusing on fine‐tuning proprietary and opensource 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 opensource ML projects or research publications. Our Commitment to Diversity, Equity, Inclusion, and Belonging (DEIB) We believe at Anaplan that diversity, equity, inclusion ...

Senior Database Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 opensource technologies such as PostgreSQL, MySQL, MongoDB Project management experience Understanding of Intel Windows server technology (Windows 2022 administration) Basic understanding of current ...

Solutions Architect - Big Data and DevOps (f/m/d)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Machine Learning Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Software Integration Engineer

Hiring Organisation
microTECH Global LTD
Location
London, UK
layers. Integration work for other compression solutions, such as VC6 and point cloud compression, into different video editing and creation applications. Engaging with the open-source community to contribute changes upstream to video player open-source projects and assist with their integration of LCEVC. Development activity ...

Computer Vision Engineer

Hiring Organisation
Ultralytics
Location
City of London, London, United Kingdom
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. ...

Platform Storage Engineer

Hiring Organisation
Ncounter
Location
East London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£160,000 - £190,000 per annum
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 ...

Senior Software Engineer – Property-Based Testing (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Applied AI ML Director

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Artificial Intelligence Engineer

Hiring Organisation
Satorus Group
Location
London Area, United Kingdom
looking for The Person: The "0 to 1" Mindset: You’ve built cool stuff before. Whether it's a side project, an open-source contribution, or a previous startup, you know how to handle a blank canvas. Radical Candor: We value honesty over politeness. We need someone … working with text-based AI systems (LLMs, RAG, document processing) rather than primarily visual or multimodal AI. Bonus Point: Familiarity with AI Security and open-source intelligence. Compensation: Salary: Salary: £60,000 - £80,000 p.a. + equity ...