26 to 50 of 339 Open Source Jobs in London

refine them through A/B testing and user feedback. Actively monitor the market and research landscape for new developments in Gen AI; evaluate open‐source models and third‐party AI APIs/services to inform build‐vs‐buy decisions. Evaluate open‐source Gen AI models ...

R0119301**ABOUT US:**LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across … growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.LSEG is headquartered ...

using statistically robust methodologies Analysing failures and identifying opportunities for optimisation Experimenting with prompts, workflows and playbooks to improve outcomes Testing different models, including open-source and fine-tuned LLMs Evaluating and improving multi-agent workflows Researching defences against prompt injection and adversarial attacks Collaborating with security analysts … experience Experience evaluating AI systems or LLM performance Familiarity with cloud environments such as GCP Knowledge of modern software development practices Experience working with open-source AI models Interest in cyber security, threat detection or security operations Location & Working Pattern London Hybrid (fortnightly office travel plus occasional customer ...

team within the AI Engineering department. We build, operate and scale the foundational platform that powers AI innovation across G‐Research, including on‐prem open model inference, model serving, AI developer experience tooling, centralised MCP servers and secure agent sandboxing. We provide the foundations that enable teams across … provision and consume AI infrastructure independently Integrating platform services with existing technology stacks, ensuring clear interfaces, monitoring and CI/CD Evaluating and adopting open‐source technologies and applying emerging best practices to improve the platform Who are we looking for? We value pragmatic engineers who combine deep ...

environments are impenetrable. Vulnerability Management: Own the lifecycle of vulnerability detection and remediation. Manage bug bounty programs, coordinate third-party pentests, and ensure our open-source dependencies (and the code our agents generate) are secure. Enterprise Trust: Help design features that give our customers confidence, such as audit … Experience securing execution sandboxes (gVisor, Firecracker, or similar). Background in "Purple Teaming"—collaborating with developers to fix what you break. Contributions to the open-source security community or research on AI safety. Knowledge of compliance frameworks (SOC 2, ISO 27001) in an early-stage startup context. ...

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 ...

leading these teams, owning solutions end‐to‐end and advising clients in this space. The typical applications we build use existing closed or open‐source foundational models, potentially with some fine tuning. We generally do not need to train our own foundational models from scratch. Responsibilities AI Solution … production‐grade solutions involving: Building Microservices (including scalable data pipelines using frameworks like Spark) Data technologies (Python, SQL) Large language models, fine tuning (closed & open source, OpenAI API) Solution design (mainly data applications using Python, SQL and other allied tech stack) Analytical problem solving We are not restricted ...

Home based - EMEA; Office Based - London, UK Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. … travel upgrades for long-haul company events About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform ...

integral part of a focused team where you can make a real impact. You’ll be surrounded by an open, collaborative culture that embraces diversity, recognition, professional development and, most importantly, you.Are you ready to make your impact?**About The Role**We are looking for a talented, ambitious … requires a significant level of technical knowledge relating to, for example:* AI platforms and solutions across algorithmic and agentic categories (e.g., AI vendor APIs, open-source tooling such as LlamaIndex, HuggingFace, Claude Code or similar)* Manipulating datasets in Python, SQL and Excel* Deep familiarity with GitHub to collaborate ...

looking for a Solution Architect to lead the design and delivery of cutting‐edge digital services for the UK Public sector using the latest open source technologies and working under an Agile and DevOps framework. Role Objectives: These are the expected objectives for this role. We are happy … Zaizi, share knowledge and drive continuous improvement Requirements Technical: You will have extensive commercial experience in the many of the following: Technical & Solution Design Open Source software Cloud computing (ideally AWS) Security best practices IAM, OAuth, Cognito, OIDC – all advantageous Containers and Orchestration (Docker, Kubernetes) DevOps/DevSecOps ...

refine them through A/B testing and user feedbackActively monitor the market and research landscape for new developments in Gen AI, evaluate open-source models and third-party AI APIs/services to inform build-vs-buy decisions to leverage the best available tools (or iterate … them) to keep Snap’s products at the cutting edgeEvaluate open-source Gen AI models and APIsKnowledge, Skills & Abilities:A proven passion for machine learning; you stay up-to-date with research and are excited about prototyping new ideas quicklyKnowledge of mathematics and deep learning foundationsExcellent verbal ...

solutions at enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of cloud, open source and proprietary technologies to achieve the best possible outcome for our clients. We have world class architecture and software engineering communities … inclusive and welcoming environment, for everyone. Your skills and experience Excellent knowledge of AWS for delivery of cloud-native solutions. A strong background in open-source technologies and frameworks; API-centric architecture, and experience of designing scalable, resilient and secure applications. Microservice-based architectures using domain driven design ...

design, build and maintenance of Man’s core Python compute platform Partner with stakeholders in research, trading and technology to design and build open-source cluster-compute technologies Monitor the latest developments in applied cluster compute, particularly Python-facing libraries and tools Identify and implement novel solutions … leveraging open-source technologies and contributing back to upstream projects Engage with teams across the business to promote understanding and adoption of our compute cluster capabilities Demonstrate advanced proficiency in Python with extensive experience building production applications and services Experience with modern cluster compute technologies (e.g., Kubernetes, Spark ...

content delivery network traffic management — our responsibilities are both broad and deep. FoundationDB runs its systems on Linux. We run a mix of open source, vendor licensed, and internally developed tools to perform functions such as system configuration management, provisioning, software deployment, logging, and monitoring. You'll learn … multiple regions and control planes (bare-metal, AWS, and Kubernetes). We develop much of our own automation in Java and Go, including our open source Kubernetes Operator (https://github.com/FoundationDB/fdb-kubernetes-operator). We work closely with our dev partners to develop ...

everyone has input on technical direction. The problems we’re solving don’t have obvious answers, so we figure them out together. We embrace open source first and contribute back where we can. We’ll trust you to: Design and implement Kubernetes operators and custom controllers that manage … hood and willingness to dig into unfamiliar systems A degree in Computer Science, Engineering, or equivalent experience We’d love to see: Contributions to open‐source Kubernetes ecosystem projects (controller‐runtime, kubebuilder, operator‐sdk, etc.) Experience building multi‐tenant platforms or control planes Familiarity with TypeScript/JavaScript ...

everyone has input on technical direction. The problems we're solving don't have obvious answers, so we figure them out together. We embrace open source first and contribute back where we can. We'll trust you to: Design and implement Kubernetes operators and custom controllers that manage … hood and willingness to dig into unfamiliar systems A degree in Computer Science, Engineering, or equivalent experience We'd love to see: Contributions to open-source Kubernetes ecosystem projects (controller-runtime, kubebuilder, operator-sdk, etc.) Experience building multi-tenant platforms or control planes If this sounds like ...

everyone has input on technical direction. The problems we’re solving don’t have obvious answers, so we figure them out together. We embrace open source first and contribute back where we can. We’ll trust you to: Design and implement Kubernetes operators and custom controllers that manage … hood and willingness to dig into unfamiliar systems A degree in Computer Science, Engineering, or equivalent experience We’d love to see: Contributions to open-source Kubernetes ecosystem projects (controller-runtime, kubebuilder, operator-sdk, etc.) Experience building multi-tenant platforms or control planes Familiarity with TypeScript/JavaScript ...

design, build and maintenance of Man’s core Python compute platform Partner with stakeholders in research, trading and technology, to design and build open-source cluster-compute technologies Be aware of and actively monitor the latest developments in applied cluster compute, particularly Python facing libraries and tools Identify … implement novel solutions - we take the best of what the open-source world has to offer and make it fit our needs, often contributing back to upstream projects Proactively engage with teams across the business to promote understanding and adoption of our compute cluster capabilities Advanced proficiency ...

prototype the next generation of infrastructure, hardware, and applications that power the Bloomberg Terminal and beyond. Our work spans AI platforms, cloud infrastructure, open-source stewardship, and generative AI innovation. For over a decade, Bloomberg has been at the forefront of applying Artificial Intelligence … Love to See A degree in Computer Science, Engineering, or equivalent experience Experience with LLMs, generative AI, agent frameworks, and orchestration systems Contributions to open source or developer ecosystems Why Join Us You will play a pivotal role in shaping Bloomberg's AI future by building the platform ...

with hands‐on software development. You'll work directly with customers, from startups to large institutions, as a trusted technical advisor while contributing to open source projects and extending Coinbase's core products to unlock strategic client opportunities. This role involves substantial coding, and candidates must be actively … scale. Collaborate with sales teams to address prospect technical requirements and support deal closure. Architect distributed systems solutions for complex customer needs and build open source SDKs and reference implementations. Lead customer implementations end‐to‐end, delivering technical presentations, resolving roadblocks, and partnering with support teams to ensure ...

process over 100M+ API calls every month We fine-tune and train our own LLMs so they run faster and cheaper than any open or proprietary model We’re a small, highly focused team. If you want to work deeply on hard problems, see your work ship to production … prior work with safety/moderation datasets, policy/rule systems, or high-volume logging/observability. A big plus: A public builder footprint: open-source models, datasets, or training frameworks on HuggingFace/GitHub, benchmarks, papers (workshop or main conference), or technical posts with real usage. Experience ...

experiment tracking, and making research reproducible and reliable. You have experience down to the level of CUDA kernels or XLA. You have contributed to open source projects like PyTorch, JAX, MLX or similar. You care about research outcomes as much as system uptime. You form opinions about what … genomic sequences, protein structures, molecular data, or similar. Familiarity with our broader tech stack: Kubernetes, Dagster, or similar orchestration and infrastructure tools. Contributions to open-source ML frameworks or research codebases. Publications at major venues (e.g., NeurIPS, ICML, ICLR, or JMLR) What we offer in return Impactful Mission ...

detection logic to significantly minimize alert fatigue for the SOC team. Architect the end-to-end SBOM lifecycle to continuously track, analyze, and mitigate open-source and third-party software supply chain risks. Design a risk-based vulnerability management platform that automatically prioritizes infrastructure and application flaws utilizing … analyzing Software Bills of Materials (SBOMs using frameworks like CycloneDX or SPDX) and integrating them with tools like Dependency-Track or Snyk to track open-source vulnerabilities. Advanced threat modeling experience (e.g., STRIDE-LM) for SIEM data flows, log ingestion pipelines, and vulnerability management platforms Experience architecting vulnerability ...

onboarding of new team membersWillingness to travel 25% of the timeMinimum Qualifications3+ years as a software engineer building and shipping production quality codeExperience with open source languages such as PHP, Python, Java, or JavaScript FrameworksExperience with writing and shipping reliable, scalable, and efficient code, with an emphasis … joining MetaPreferred QualificationsDemonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologiesExperience contributing to open source projects, shared code repositories, and/or personal projectsExperience working in highly collaborative environmentsClient facing and/or experience communicating to an audienceExperience ...

debug numerics, and write maintainable research code. You document experiments clearly and communicate trade‐offs crisply. Nice to have: Robotics or autonomous driving experience. Open source code showcasing your ability to improve inference performance. Publications at ICLR/ICML/NeurIPS or equivalent open‐source contributions. ...