501 to 525 of 852 Open Source Jobs in England

Data Engineer

Location
Greater London, England, United Kingdom
Product Thinking Work closely with: data scientists machine learning engineers Refine data requirements and evolve infrastructure capabilities Stay updated with emerging technologies Experiment with open source tools Participate in community-building initiatives such as meetups Continuously learn and improve engineering practices What we’re looking for batch processing ...

Senior Salesforce Developer (Temporary)

Location
Greater London, England, United Kingdom
fit. Technology Stack On the Salesforce side, we follow an unlocked packages strategy across 20+ packages. Our code is built on open-source Apex design pattern frameworks (FFLIB and AT4DX), with high, meaningful Apex test coverage — though we default to Flow wherever possible. While Salesforce is the primary ...

Senior User Researcher

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 - 70,000 Annual
evaluating human-in-the-loop or escalation workflows Familiarity with accessibility research methods and inclusive design principles Exposure to research repositories, tooling, or open-source UX research communities Scope & Accountability Responsible for the design and execution of the user research plan across all delivery phases Owns the quality ...

Principal Fullstack Engineer

Location
Greater London, England, United Kingdom
engineer, staff engineer, or technical lead at a startup or high-growth company CS or ML research background with production research experience Published research, open source work, conference talks, or other visible engineering community contribution We care less about titles, years, and pedigree, and more about the systems ...

Research Engineer, Forge

Location
Greater London, England, United Kingdom
building reliable ML infrastructure, evaluation systems, or large‐scale data processing pipelines. Research experience in LLMs, agents, multimodal models, reasoning, code, or domain adaptation. Open‐source contributions, publications, or widely used internal tooling. Experience training multi‐billion‐parameter models (pre‐training or RL). Experience training on petabyte ...

Platform Engineer (Barcelona)

Location
Cambourne, England, United Kingdom
exposing it for third‐party components. Exposure to ML orchestration tooling (Flyte, Airflow, MLflow, SkyPilot). Go, and a track record of contributing to open‐source infrastructure projects. Perks & Benefits Indefinite contract. Variable performance bonus. Signing bonus. We offer work visa sponsorship (If applicable). Relocation package ...

Senior Backend Engineer

Location
Greater London, England, United Kingdom
these as well, even better... You have some personal projects on the go (maybe you write a blog, help with friends' websites, contribute to open source projects etc.) You've worked with LLMs such as Claude, and written your own plugins/skills/agents Through your work ...

Computational Scientist

Location
Culham, England, United Kingdom
plasma modelling challenges, helping to accelerate the development of future fusion technologies. A substantial part of the role will focus on FreeGSNKE, UKAEA's open-source tool for modelling tokamak plasma equilibria and evolution. You will help develop and maintain the code, improve its performance on modern computing ...

Cloud Advisory Agentic Focussed Consultant

Location
Greater London, England, United Kingdom
apart: Engineering/Development : Demonstrated experience working close to engineering and teams, ensuring realistic delivery expectations. Developer Repo Contributions : Showcase during interview personal or open-source work, prototypes, accelerators, or reference architectures so that during interview the repo artefacts can be used explain their decisions through architecture diagrams ...

Lead Compute Platform Engineer

Location
Greater London, England, United Kingdom
productivity when using our framework and services Identifying and implementing computational improvements Making improvements and/or fixing bugs by submitting patches to open-source projects in our stack, such as Spark, Iceberg, Hadoop, Airflow, and many others Acting as an expert on Spark and Scala Mentoring engineers ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
future fundamental improvements. Longer term, you will help define and drive the architectural evolution of the software stack, potentially including migration from MATLAB toward open‐source systems. As the company grows, there will also be opportunities to contribute to data architecture, offline scientific analysis pipelines, and web portals. ...

Software Engineer-Affiliate Partnerships

Location
Greater London, England, United Kingdom
Boot. Passionate about technology and continuous improvement, demonstrating exceptional coding proficiency, a commitment to clean and elegant code, and a keen interest in exploring open-source projects. Proactive, fast learner, and highly collaborative, with strong communication, analytical, and problem-solving skills, capable of independently identifying and resolving complex ...

Senior Machine Learning Engineer

Location
Greater London, England, United Kingdom
chemistry‐focused AI applications. Experience building or fine‐tuning large language models. Experience with agent‐based systems, tool use or agentic workflows. Contributions to open‐source ML projects or published research. Orbital is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment ...

Junior Technical Architect

Location
London Borough of Hammersmith and Fulham, England, United Kingdom
Model Context Protocol. You do not need previous architecture experience or a production portfolio. We welcome examples from university, personal projects, internships and open-source contributions. We are interested in how you think, what you have built and how you learn. Personal Attributes Curiosity, initiative and the ability ...

Software Engineer III - Backend Engineering - Java/Kotlin

Location
Greater London, England, United Kingdom
based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed. We look to use Open source when it makes sense and build ourselves when it doesn't. We are entirely cloud native and want to build a truly multi ...

Senior Solutions Engineer (French Speaking)

Location
Greater London, England, United Kingdom
French market, including large enterprise organizations in regulated industries such as banking, insurance, public sector, and industry Advise customers on secure development practices, open source and cloud native security, and adoption of AI-assisted coding tools, including data protection and compliance considerations that matter in France ...

Managing Consultant - C&M - Google Cloud (Technical Lead)

Location
Greater London, England, United Kingdom
above, we would be thrilled if you also had: Knowledge of other cloud platforms Automation DevOps experience using Google tech like Cloud Build and open source tech like terraform We know the skill-gap and ‘somewhat need to tick every box’ can get in the way of meeting ...

Software Engineering Intern (Summer 2027)

Location
Greater London, England, United Kingdom
this position will be located. Nice to have Hands-on experience with LLMs, evaluations, or agentic systems — whether from coursework, research, or personal projects Open source contributions or a portfolio of shipped side projects How we work Our credos shape how we make decisions and work ...

Product Strategy - Office of the CEO

Location
Greater London, England, United Kingdom
platforms) to evaluate trade-offs, challenge engineering assumptions, and conduct due diligence.* **Commercial & Financial Acumen:** Deep command of tech monetization models (SaaS, consumption, platform, open source) paired with strong financial modeling (M&A, scenario modeling, ROI).* **Problem-Solving & Influence:** First-principles thinker who can structure ambiguous problems ...

Forward Deployed Engineering Assoc Manager

Location
City Of London, England, United Kingdom
solutions (agents, orchestration, context engineering, RAG, workflows) in production environments. Minimum of 3 years of experience with AI platforms — OpenAI, Claude, Vertex AI, plus open-source models — including building abstraction layers to manage multi-provider pipelines. Minimum of 10 years of experience deploying to production , CI/ ...

Senior AI Engineer

Location
Greater London, England, United Kingdom
what changed because of your work, that’s a flag. The right technical toolkit. Strong Python, hands‐on experience with LLMs (OpenAI, Anthropic, open‐source), agent frameworks, RAG pipelines, vector databases, and backend infrastructure like FastAPI, Postgres, and ElasticSearch, or close enough that the gaps close fast. Domain ...

AI Solutions Architect

Location
Greater London, England, United Kingdom
Customer Success organization. Kimchi executes multi-model LLM workflows and autonomous agents with embedded governance and cost control. It intelligently routes across frontier and open-source models while enabling teams to establish strict budget caps, enforce model access policies, configure roles, and audit TCO via deep analytical tracking. ...

Member of Technical Staff - Software Engineer

Location
Greater London, England, United Kingdom
APIs , particularly those conforming to JSON:API Comfortable working on infrastructure (e.g., setting up CI pipelines, navigating Kubernetes) If you have a personal or open-source project you’d like to share, we’d love to see it (GitHub links welcome!) Salary and benefits Office: Our brand ...

Senior Crypto Threat Analyst - Terrorism

Location
Greater London, England, United Kingdom
intelligence reports for both technical and non-technical audiences Capable of using Python, SQL, or AI-assisted querying to extract and analyze blockchain or open-source data A strong analytical mindset with excellent judgment when handling sensitive or uncertain intelligence A collaborative and proactive approach, comfortable working across ...

Staff Software Engineer, AI Reliability Engineering

Location
Greater London, England, United Kingdom
RDMA and InfiniBand. Have expertise in AI-specific observability tools and frameworks. Have experience with chaos engineering and systematic resilience testing. Have contributed to open-source infrastructure or ML tooling. The annual compensation range for this role is listed below. For sales roles, the range provided ...