1 to 25 of 72 Open Source Jobs in London

financial services client is seeking a Software Licensing Specialist to support the governance, processes and controls surrounding the consumption and contribution of Free and Open Source Software (FOSS). This role sits within an international team and involves close collaboration with Engineering, Tooling and Legal functions. … well suited to candidates with strong expertise in open-source licensing, or those with a background in Software Asset Management (SAM)/IT Asset Management (ITAM) within a commercial environment. The successful candidate will be a proactive self-starter, comfortable working independently and delivering to tight deadlines ...

level role at CanonicalJoin to apply for the Software Engineer - Python - Ubuntu Pro client - graduate level role at CanonicalCanonical 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 … focus on software interoperability over a vast range of target releases and environments. Excellent Python skills are a key requirement, with previous contributions to open source Python projects being an advantage. The Pro client often interacts with the Ubuntu package management; therefore, experience in configuring apt, and knowledge ...

product, and technical challenges in an enterprise environment. Analyze on-premises database environments such as Oracle, SQL Server, or other Commercial DB Engines to Open Source Engines like Aurora-PostgreSQL/MySQL or RedShift, DynamoDB. Consult for optimal design of database environments, analyzing complex distributed production deployments … home, there’s nothing we can’t achieve in the cloud.BASIC QUALIFICATIONS- DBA experience in Oracle, SQL Server, or other commercial/open source database platforms.- Hands-on experience with migrating mission critical database environments from one platform to another. Relevant Application/Database replatforming experience (Commercial ...

+ equity We're hiring for a UK cyber security startup building a platform that helps organisations detect malicious open-source code and secure their software supply chain in real time. The product continuously scans dependencies, surfaces risk clearly, and helps teams prevent compromised packages from entering … curious about cyber security, this is a chance to build something genuinely important. Why this is interesting (especially if you like cyber) Open source and third-party dependencies are now one of the biggest attack paths for modern organisations. This team is tackling that head-on with ...

these components come from? How will we know if any are defective? How can we protect Bloomberg from malicious actors while still benefiting from open source? These are the questions you’ll help us answer! The Software Composition Analysis and Security (SCAnS) team in DevX plays a foundational … role in securing Bloomberg’s software supply chain (SSC) by enabling engineers to use open source and third-party software safely, in an operationally resilient manner. Our products integrate with build and analysis systems to ensure software component metadata (such as SBOMs) is available throughout ...

FinOps & Model Routing • Framework Expertise: Hands-on development experience with one or more orchestration frameworks (e.g., LangChain, LlamaIndex, Semantic Kernel). • Thought Leadership & Open Source: Published work (whitepapers, patents), conference speaking engagements, or active contributions to relevant open-source projects. • Certifications: Professional-level cloud certifications (e.g. ...

translate wireframes and prototypes to polished, accessible product UIs. Hands-on experience integrating LLMs/generative models into applications (OpenAI, Anthropic, local/open-source LLMs): prompt engineering, response handling, safety guardrails, RAG architectures. Good understanding of how large language models work, including transformer architecture, tokenization, attention mechanisms … component libraries (Figma workflows, design tokens) Background in regulated industries (healthcare, pharma, finance) with awareness of compliance and data governance constraints. Contributions to open-source projects, public talks or technical writing about LLM-enabled UX or frontend engineering. How to Apply Please submit your CV via the application ...

mission-driven environment.Why Join Be part of a newly established, fast-growing AI teamWork on cutting-edge NLP and generative AI tools (e.g., RAG, open-source LLMs)Help automate and modernise business processes across a respected financial organisationFlexible, inclusive culture with purpose-driven values around environmental and social … Head of Data Science to scale innovative solutionsWhat You Bring:5+ years of hands-on experience in Python, ML, and NLP/LLMsFamiliarity with open-source LLMs (e.g., LLaMA, Mistral, Qwen) and RAG pipelinesExperience building APIs and interactive tools with FastAPI, Streamlit, or GradioSolid understanding of AI infrastructure ...

full software development lifecycle, including architecture, technical design, C++ development, bug fixing, as well as functional and performance validations. Be part of the open-source XRP ledger community, setting high standards for coding, testing, and deployment. Actively participate in code reviews to maintain the high quality … Ability to learn new technologies and languages quickly. Ability to independently solve highly complex problems with creative solutions. Nice to have: Experience in developing open-source software and contributing to collaborative blockchain communities. WHO WE ARE: Do Your Best Work The opportunity to build in a fast-paced ...

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 service … 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!Impact & TeamJoin the team working on the Mail & Calendar ecosystem alongside 50 EngineersCurrent Projects:Developing innovative productivity tools that seamlessly ...

would love to hear from you.Nice to have:Machine Learning: Experience in generative models, LLMs, multi-modal models and Deep Learning more generally.Open-source: Contributions to and experience in open-source projects.Front-end: Experience with TypeScript and front-end libraries such as React or Next.js.Startup experience: Experience ...

Role : Full Stack Engineer Location: Glasgow, UK Hybrid: 2 days to office Job Type : Permanent role Summary: Looking for Expertise in advanced Java and open-source technologies. Skilled in Spring Boot, Hibernate, Microservices, Docker, Kubernetes, JPA, MySQL, SQL Server, Snowflake, REST API, Apache Kafka, Jenkins, CI/ ...

Junior Systems Engineer/Harrow (Hybrid)/Up to £35K & Great Benefits Open Answers ((url removed)) is a provider of premium quality digital technology services to blue chip customers and the public sector, specialising in cloud systems integration. Customers include British Airways, Allwyn (The National Lottery) and Channel … successful company you will have the opportunity to make the most of and enhance your skills, working as part of a great team. Open Answers provides a happy, respectful and collaborative working environment and we give our employees the freedom to find innovative solutions for themselves. Working conditions ...

Prompting, Reasoning & Agentic Systems Design, test, and optimize prompts for leading frontier models (GPT-4.x/5, Claude 3+, Gemini, LLaMA, DeepSeek, and emerging open-weight models). Apply advanced prompting and reasoning techniques, including: Chain-of-Thought, ReAct, Tree-of-Thoughts, Graph-of-Thoughts, Program-of-Thoughts Self … mitigation, governance, and compliance frameworks. Background in Computer Science, AI/ML, Engineering, or a related technical discipline. Experience deploying, fine-tuning, or serving open-source LLMs in production. Staffworx is a UK-based Talent & Recruiting Partner supporting organisations across Digital Commerce, Software Engineering, and Value-Add Consulting ...

eager to deliver meaningful results in a short time frame.Main Duties and ResponsibilitiesSpearhead and execute complex data science projects using a combination of open-source and cloud tools, driving innovation and delivering actionable insights.Develop and deploy advanced machine learning models using cloud-based platforms.Collaborate with product managers ...

solutions to complex technical problems independently Desirable experience Experience in designing and implementing Docker images through containerisation Experience in prototyping through reuse of existing Open-Source components Benefits In return, you can expect a planned, transparent progression with learning and development tailored to your role, an environment with ...

large-scale models using tools such as Tensorflow or PyTorch is a plus. You stay up-to-date with the state-of-the-art open source infrastructure solutions applicable to designing and improving large scale recommender systems, data engineering, and machine learning You have a Master ...

code adheres to the latest best practices; utilizing Python >3.10, extensive test coverage, local development with Docker and automated packaging and deployment alongside leveraging open-source technologies like Kafka, RabbitMQ, Redis, Cassandra and Zookeeper.By joining our team, you’ll have the opportunity to work on a modern tech ...

guiding technical teams to deliver Desirable Experience DevOps practices and CI/CD pipelines Secure-by-design development and security best practices Contributions to open-source projects ...

focused approach, ideally within fast-paced tech organisations (start-ups or scale-ups) Knowledge of Kafka, Cassandra, gRPC, and microservices is a strong advantage Open-source contributions are beneficial If you're a Senior Go Developer looking for a challenging 6-month contract with a forward-thinking tech ...

shape. The product is an AI agentic based platform that writes production grade code. As a Machine Learning Engineer you'll take open-source LLMs (code and general models) and turn them into high-performance software engineer agents using supervised fine tuning and large scale reinforcement learning. This ...

hear from you. About Prolo At Prolo , we’re reinventing procurement for the construction industry using AI. Our conversational platform allows customers to source materials effortlessly across chat, email, and phone , saving time and money with zero setup. We’re a small, ambitious team that moves fast, trusts each … autonomous research and automated coding. Advanced RAG & Memory: Build sophisticated Retrieval-Augmented Generation (RAG) pipelines for long-term model memory. Model Optimization: Fine-tune open-source models (Llama 3/4) to reduce latency and costs. LLMOps: Implement automated "Evals" to measure hallucination rates and tool-calling accuracy. ...

What you will bring to the team Fine-tune Large Language Models (LLMs) and other generative architectures. Optimise pre-trained models (OpenAI, Anthropic, or open-source LLMs) for business use cases using prompt engineering and reinforcement learning. Experiment with model configurations to balance performance, cost, and scalability. Build ...

software engineering practices to data (CI/CD, version control, automated testing) Working across cloud platforms in a vendor-agnostic way Contributing to open-source tooling where appropriate What We re Looking For Operates confidently at senior level Comfortable working independently within defined delivery scopes Strong communicator able ...

experience when required using Java, Scala, or Python Strong experience with big data technologies Experience designing architectures on Microsoft Azure Experience with both open-source and vendor data platforms Strong understanding of architectural methodologies and design principles Experience designing microservices-based architectures Strong data modelling experience Understanding ...