1,176 to 1,200 of 2,072 Open Source Jobs in the UK

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 financial … 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 ...

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 financial … 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. ABOUT US LSEG ...

apply! When applying to this general posting, our expert our Talent Acquisition Team may also review your resume for consideration across other open roles within the company. We are currently building out a number of engineering pods within the Custody business and are looking to bring ingraduate engineersat … experience, who are curious about AI-assisted development tooling (we use Windsurf, Codex, and Claude day-to-day), microservices, CI/CD, and containerisation. Open-source contributions or evidence of self-initiated projects that demonstrate genuine innovation are highly valued. Graduate engineers here contribute meaningfully from ...

fast-moving startup environment where adaptability is key. The focus is primarily Node.js, with Python used across AI initiatives, automation, and LLM-powered features. Open to moving into more senior postions as the team grows! What you'll be doing Building and scaling backend services using Node.js and TypeScript. … Agents, Agentic Workflows, Retrieval-Augmented Generation (RAG), Prompt Engineering and AI Automation . Experience integrating with models such as OpenAI, Anthropic Claude, Gemini or open-source LLMs . Strong understanding of system design, microservices, event-driven architecture and cloud-native development . Experience working with PostgreSQL, MongoDB, Vector ...

ambiguous environments — for example as a founder or CTO, forward deployed engineer, tech lead, founding engineer at a startup, or creator of a substantial open‐source project. Trusted to run key projects: you lead and inspire others, plan workstreams effectively, collaborate with cross‐functional stakeholders, and proactively eliminate … tool‐use agentic tasks — and harden them so they behave correctly across millions of rollouts in a frontier training run. Bring a new data source online — from first conversation with a partner organization to data flowing into production training runs — coordinating with product, security, privacy, legal, and infrastructure teams ...

client is an online travel company. Why Technology at our client? We trailblaze together . Were on a mission to open the world to everyone, giving our customers unlimited choice, unmatched ease and unmissable value for their next getaway. Our team is the driving force behind our role … modern user experience through web and mobile applications For a better understanding of our work, refer to some of our blog posts. Or our open source contributions: github.com/our client/ripley github.com/our client/phrasebook github.com/our client/po-test As part ...

will drive the development of AI models and agentic systems — researching, designing, implementing, and delivering solutions across a range of scientific tasks, including open-ended research questions, leveraging high-performance computing and the vast biomedical data sources available at GSK. Team Culture The AI4S team is built … software. Experience with Large Language Models (LLMs) and Agentic AI (e.g., tool use, multi‐agent orchestration, deployment and evaluation). Contributions to relevant open‐source projects. Relevant scientific publications in AI/ML (e.g., NeurIPS, ICML, ICLR, AAAI), computational biology or bioinformatics venues. Knowledge of or interest ...

models Utilise and blend all available data sources to ensure all fraud models are highly predictive and market leading - consumer bureau data, postcode insights, open source data,transactional insights & fraud indicators from partnershipsApply traditional model development techniques and approaches (e.g. logistic regression) as well as adopting … environment e.g. Banking, Lending, Insurance, Public Sector, Utilities, etc.Use of LLMs to improve efficiencies in the model building processUse of alternative data such as open banking transactional data in statistical modelsExperience of working in a product development environmentExperience with industry related fraud prevention tools (e.g. Hunter, Kount, SEON, ThreatMetrix ...

automation and intelligent workflow systems Recommendation/personalization experience Familiarity with multimodal models (vision + language) Experience with neural rendering or 3D generation Open-source contributions or research publications Real-time inference optimization Strong MLOps understanding Ability to build end-to-end ML-driven features #J-18808-Ljbffr ...

tools, or infrastructure products, using Python, or Go Javascript, Typescript experience Hands-on experience with Kubernetes, IaC, and cloud experience (AWS or GCP preferred) Open-source contributions or relevant (and demonstrable) personal projects This is a great opportunity to play a very visible and pivotal role in achieving ...

tools, or infrastructure products, using Python, or Go Javascript, Typescript experience Hands-on experience with Kubernetes, IaC, and cloud experience (AWS or GCP preferred) Open-source contributions or relevant (and demonstrable) personal projects This is a great opportunity to play a very visible and pivotal role in achieving ...

working with the Programme's Technical Lead, the role will focus on implementing systems and tools for digital preservation, including a cloud-native, open-source repository and preservation system with serverless workflows, and enabling and ensuring ongoing access and supporting tools for the deposit, search, discovery ...

commute to Manchester. - Experience as a hands-on cloud architect CLOUD ARCHITECT ESSENTIAL SKILLS - Expertise in delivering AWS Cloud native solutions - Background in Open-source technologies and frameworks - Experience with micro-service based architectures - Experience working with structured architecture approaches (TOGAF or SAFe) - Leadership and stakeholder management experience ...

commute to Cheltenham. - Experience as a hands-on cloud architect CLOUD ARCHITECT ESSENTIAL SKILLS - Expertise in delivering AWS Cloud native solutions - Background in Open-source technologies and frameworks - Experience with micro-service based architectures - Experience working with structured architecture approaches (TOGAF or SAFe) - Leadership and stakeholder management experience ...

commute to London. - Experience as a hands-on cloud architect CLOUD ARCHITECT ESSENTIAL SKILLS - Expertise in delivering AWS Cloud native solutions - Background in Open-source technologies and frameworks - Experience with micro-service based architectures - Experience working with structured architecture approaches (TOGAF or SAFe) - Leadership and stakeholder management experience ...

computer science conferences, LLM pre-training, reinforcement learning for model alignment, safety and red-teaming, agentic frameworks, multimodal AI systems, standalone AI-native products, open-source contributions, research or patents, inference optimisation, data engineering, architectural direction, cross-team alignment, and mentoring senior engineers #J-18808-Ljbffr ...

that you will meet customers regularly, typically every two weeks. What you’ll be doing Designing, developing, testing and delivering software solutions. Working with open-source libraries, frameworks and components. Creating and maintaining continuous integration pipelines using tools such as GitLab. Supporting software quality, security and automated testing ...

record and a degree with high mathematical and computing content, familiarity with distributed systems and orchestration, performance optimization and large-scale data processing experience, open-source contributions, market data experience, streaming or real-time data processing expertise. Условия Competitive holiday entitlements, pension/401k, life and long-term ...

/UX design and having built intuitive, AI-driven interfaces. Experience with GraphQL, WebSockets, or real-time data streaming. Contributions to open-source projects or building developer tools for AI. #J-18808-Ljbffr ...

environments, build tools, version control systems, and automated testing frameworks Experience with CI/CD, performance tuning, and observability Exposure to cloud platforms and open-source technologies, including their integration into enterprise systems Strong understanding of the full software development lifecycle and associated tools and processes Strong communication ...

skills and a commercial, outcome-focused mindset Nice to have: Vector databases, embeddings or fine-tuning AWS or Google Cloud Startup or founder experience Open-source contributions or AI side projects What's in it for me? Base salary up to £100,000 Hybrid working model with remote ...

Strong experience delivering non-functional testing within complex Agile environments. Expertise in JavaScript-based automation frameworks including: Playwright WebdriverIO Cypress Experience testing APIs using open-source JavaScript frameworks/libraries or Postman. Performance and load testing expertise using JMeter or K6. Strong experience working with CI/ ...

Experience leading or mentoring a team, or acting as a technical expert within a high‐performing group. Technology‐agnostic; polyglot programmer using Linux and open‐source technologies day to day. Experience working in Agile teams. Understands and applies DevOps/DevSecOps practices. Uses strong software testing techniques (e.g. ...

Ensure NFT evidence is sufficient to support confident release decisions Tech Stack: Test automation using JavaScript-based frameworks such as WebdriverIO, Playwright or Cypress Open-source JS-based libraries/frameworks for API testing, or Postman JMeter or K6 for load and performance testing CI/CD pipelines ...

Familiar with Linux development environment. They use C, Linux, Python Knowledge of network routers/switches or routing protocols (OSPF, BGP, etc) Experience in open-source software development Knowledge with cloud native application development Knowledge with distributed systems and Python based micro-services. They are looking ...