1 to 25 of 189 Open Source Jobs in England

Legal Counsel

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
business that generates revenue directly: the AGPL‐3.0/Enterprise dual‐licensing model behind YOLO. Every company using Ultralytics’ models commercially either open‐sources their entire project under AGPL‐3.0 or buys an Enterprise license. Supporting compliance, converting to contract, and negotiating the Enterprise agreements themselves – is core … background compliance task. We need someone who’s done this kind of work before, not someone learning opensource licensing on the job. What you’ll do Opensource licensing and IP Own the AGPL‐3.0/Enterprise licensing model end to end: detect likely violations ...

Site Reliability / Gitops Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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. Our customers include the world's leading … automation‐first” technologist with a passion for Linux to build a career with Canonical and drive the success with those leveraging Ubuntu and open source products. If you have experience of IT operations automation, Infrastructure as Code and a passion for technology, then you will enjoy working with ...

Senior Site Reliability Engineer

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
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. Our customers include the world's leading … metrics and code, and you need to be able to learn the entire stack, from bare metal networking and kernel up to serverless and open source applications. Location: Globally remote role The role entails Our cloud operations engineers bring Python software‐engineering skills and rigour to the operations ...

Public Sector Account Executive (Education)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
usage-based pricing, and modern data architectures. Solve Complex Problems: Move beyond simple transactions to address the intricate data challenges our customers face. Champion Open Source: Articulate the value of our advanced commercial features while advocating for our Open-Source offerings. Identify New Use Cases: Showcase … date. Ability to create alignment across teams to accelerate deals. AI Mindset: Use new technologies for performance advantage and deal structuring. Open-Source Appreciation: Enthusiasm for the Open-Source model and the community relying on our solutions. Additional Information - We Take Care of Our People ...

Senior Software Engineer, Docker Agents (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 … agent performance, reliability, and containerized deployment effectiveness. Rapid prototyping: iterate quickly on new agent capabilities and deployment patterns, moving from concept to production efficiently. Open source community: engage with the cagent community, review contributions, and help grow the ecosystem. Cross‐functional collaboration: work closely with product managers, designers ...

Enterprise Account Executive (UK)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale. With $125M raised at Series … contributions can shape how this technology shows up in the real world. Today, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. We have 100M+ monthly open ...

Staff Software Engineer, Docker Agents (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
implement systems that leverage Docker containers as the ideal runtime for AI agents, ensuring isolation, scalability, and portability. Expand cagent: Maintain and evolve the open-source cagent project, adding new capabilities for containerized agent deployment and orchestration. Agent Runtime Development: Build robust infrastructure for packaging, deploying, and managing … agent performance, reliability, and containerized deployment effectiveness. Rapid Prototyping: Iterate quickly on new agent capabilities and deployment patterns, moving from concept to production efficiently. Open Source Community: Engage with the cagent community, review contributions, and help grow the ecosystem. Cross‐functional Collaboration: Work closely with product managers, designers ...

Salesforce/NetSuite Engineering Manager, Commercial Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Salesforce/NetSuite Engineering Manager, Commercial Systems Home based - EMEA Canonical is a leading provider of open-source software and operating systems for 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 … skills of their direct reports, and who has the drive to deliver. This is an exciting opportunity to work with great people and exciting open-source solutions on innovative engineering solutions supporting Canonical's growth. The Commercial Systems unit is conceived as six engineering teams that closely collaborate ...

Digital Verification Engineer

Hiring Organisation
Microtech Global Ltd
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
testing. Contribute to verification infrastructure and automation. Collaborate closely with design engineers to ensure high-quality silicon. Participate in code reviews and contribute to open-source projects. Requirements Essential 15 years' industry experience in Digital Design Verification. Experience with SystemVerilog and UVM. Understanding of verification methodologies and constrained … collaborative mindset. Desirable Exposure to RISC-V or CPU verification. Knowledge of formal verification. Experience with scripting and verification automation. Interest in open-source hardware and silicon development. What's on Offer? Work on industry-leading open-source silicon projects. Collaborate with globally recognised semiconductor partners. ...

Principal Observability & Cloud Platform Engineer

Hiring Organisation
Synergetic Recruitment Group Limited
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent
architecture: metrics, logs, traces, telemetry pipelines, service mesh and developer experience for thousands of services and millions of devices. You'll overhaul core open-source components, storage layers, query paths for performance, cost and reliability, and push improvements back upstream to CNCF projects. This is hands-on architecture … level ingestion and hundreds of millions of active series, and you built or scaled it, not just watched it run. Depth across the open-source observability stack: Prometheus, Grafana, and large-scale metrics (Thanos, Mimir, Cortex or VictoriaMetrics); logs (Loki/ELK/OpenSearch); traces (Tempo). Kubernetes ...

Senior Front-End/Magento Developer

Hiring Organisation
ADLIB
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £75,000 per annum
Lead complex Magento Open Source and Adobe Commerce projects. Join a flexible, remote-first team with strong career development opportunities. Work on large-scale ecommerce platforms with a strong focus on performance and accessibility. An exciting opportunity has arisen for an experienced Senior Frontend Developer to join … experiences. What experience you’ll need to apply Proven commercial experience in a Frontend Developer role within ecommerce environments. Strong experience working with Magento Open Source and/or Adobe Commerce. Excellent HTML, CSS and JavaScript (ES6+) skills. Experience with modern frontend frameworks such as React ...

Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
London, you'll be the founding leader of a team working on two products: Hegel , our property-based testing library family, and Bombadil , our open-source browser testing product. This isn't a "manage the roadmap and attend standups" kind of role — you'll be in the code … London team — hire exceptional engineers, onboard them well, and create the kind of environment where they do the best work of their careers. Foster Open Source Communities – Further our OSS testing frameworks by interacting with the community to build sustainable and rich relationships between Antithesis, our users ...

Enterprise Architect - AI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
trail, and approval‐gate processes for production AI systems. Security & Cloud AI‐specific security fundamentals: model security, prompt‐injection defenses, supply chain security for opensource/open‐weight models. Solutions‐architect level expertise in at least one hyperscaler (AWS, Azure, or GCP), including their native …/AI/ML or related) beneficial but not required given sufficient hands‐on depth. Continuous, demonstrable learning in AI — publications, opensource contributions, conference speaking, or lab‐based experimentation are all valued signals. WWT is an Equal Opportunity Employer Employment decisions are made without regard to race ...

Founding Engineering - Top London Software House

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
solving difficult problems rather than following established processes. Strong Signals First-class degree or equivalent academic achievement. Competitive programming, mathematical competitions or research experience. Open-source contributions or technically ambitious personal projects. Experience building products, platforms or infrastructure from scratch. Experience at high-performing technology companies, research labs … NoSQL, PostgreSQL, System Architecture, Technical Leadership, Engineering Strategy, Software Reliability, Performance Optimisation, Automation, DevOps, CI/CD, AWS, Azure, Google Cloud, Kubernetes, Docker, Open Source, GitHub, Research Engineering, Machine Learning Engineering, AI Engineering, Deep Learning, Mathematical Modelling, Competitive Programming, Hackathons, Research Projects, Technical Projects, Product Development, MVP Development ...

Senior SRE: Remote Open-Source Infra & Automation

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
Canonical is a pioneer in open source software, with Ubuntu at the heart of cloud, AI, IoT and enterprise, offering globally distributed roles. The Senior Site Reliability Engineer role focuses on automation, platform stability and scalable infrastructure across OpenStack, Kubernetes and storage, using Python to drive DevSecOps from ...

Manager, Lead Research Scientist, LLM Agents (Foundational Research)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
curious and open-minded individual with an interest in conducting state-of-the-art foundational machine learning research? Thomson Reuters Labs is seeking Research Scientists with a passion for building complex agent-based AI systems in a data-rich, complex academic environment driven by real-world problems. Foundational Research … model training. Extensive experience working on agent‐based systems, tool‐using AI, or multi‐agent coordination in LLM contexts (e.g., startup, industry, or extensive opensource experience). Strong software and/or infrastructure engineering skills and ensuring well‐managed software delivery, as evidenced by code contributions ...

Senior Software Enginner

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £800 per day
distributed systems, data pipelines, and platform architecture. Establish CI/CD pipelines, Infrastructure as Code, automated testing, and deployment practices. Evaluate and integrate open-source technologies and distributed data frameworks. Mentor engineers and promote engineering excellence across the team. Work closely with architecture, product, security, and external stakeholders. … secure data access models. Exposure to event-driven architectures and streaming technologies such as Kafka, Flink, or Spark Streaming. Experience evaluating or contributing to open-source technologies. ...

Security Architect

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650 per day
candidate will have come from a strong technical background, and have an understanding of attack vectors for high threat environments, across both proprietary and open-source technology stacks. You will advise and enable technical teams to make security decisions and provide advice and guidance, ensuring the effective … programmes, projects or a product-centric organisation. You will have a good understanding of a broad range of industry-standard technologies, both proprietary and open source, across a diverse range of Microsoft and Linux-based deployments, across physical, virtual and containerised compute. You will have experience in securing ...

AI Platform engineer

Hiring Organisation
Nextech Group Limited
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
/SQS for async processing of high-volume inference requests Implement observability and cost-tracking for token usage across multiple LLM providers (Anthropic, OpenAI, open-source models via vLLM) Own database performance for both relational (Postgres) and vector (pgvector/Pinecone) workloads Collaborate with ML engineers on model … limits, streaming responses, token cost optimisation) Solid understanding of API design, security, and scalability best practices Nice to Have: Experience fine-tuning or evaluating open-source models Familiarity with agentic frameworks (function calling, tool use, MCP) Prior startup/scale-up experience Benefits: 25 days holiday + bank ...

(DV cleared) Data Architect (AWS/Cyber)

Hiring Organisation
Methods Business and Digital Technology Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 Daily
data sources and technologies Working experience in migrating workloads from on premise to cloud environment Experience in monitoring distributed infrastructure, using AWS tools or open source ones Experience in monitoring distributed infrastructure, using AWS tools or open source ones such as CloudWatch, Prometheus ...

Director, Data Science, Digital & Insights, Strategic Communications

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

OpenSource Data Platform Solution Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £530 per day
Join a leading independent technology and services provider as an OpenSource Data Platform Solution Engineer. Job Overview: Looking for a hands-on Solution Engineer/Architect to design and support large-scale cybersecurity data platforms using open-source technologies. Location: Sheffield Rate: A daily rate, in-scope IR35 … technical solutions for cybersecurity applications Work on large-scale (petabyte) data platforms Create architecture documents (HLDs/LLDs) Evaluate and standardise open-source technologies Collaborate with engineering and governance teams Ensure solutions meet security, compliance, and regulatory standards Key Skills Required: Experience in solution design/architecture Strong ...

Applied Control Researcher

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
monitors, including chain-of-thought reasoning, structured outputs, and multi-step verification Future projects (likely not in the first 6 months) Fine-tune smaller open-source models to create efficient, specialized monitors for high-volume production environments Design and build agentic monitoring systems that autonomously investigate logs … based on empirical findings (e.g., prompting, scaffolding, agent design, fine-tuning, or RL). Strong Python programming skills Demonstrated ability to work independently on open-ended research problems Bonus: Experience with AI evaluation frameworks, in particular Inspect (though other frameworks are relevant as well) Familiarity with AI safety concepts ...

ML Research Engineer

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

Regional HR Manager - EMEA

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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. Our customers include the world's leading … handling and overseeing complex ER matters across multiple jurisdictions Fluent in business English (written and spoken) Self‐motivated, organized, accurate, confident, authentic, results‐orientated, open‐minded, enthusiastic and energetic Willingness to travel up to 4 times a year for internal events Nice‐to‐have skills Experience with immigration policies ...