51 to 75 of 1,074 Open Source Jobs in London

Data Science Lead

Hiring Organisation
National Health Service
Location
London, United Kingdom
Salary
£ 80 K
apply the most appropriate technical solution to a given problem, alongside a modelling specialism in line with the seniority of the roleAdvanced use of open-source analytical tools (including R or Python) to develop and deploy (Snowflake, Docker, Github Actions) models and applications, and to assess and monitor … trees, random forests, boosting, neural networks Experimental design and applying the appropriate testing framework to analytics. Observational study design using real world dataExpert in open-source scripting languages, such as Python/RExpert in the using the tools of reproducible analytic pipelines, such as git, GitHub, package development ...

Senior Software Engineer – DevX SCAnS

Location
London, England, United Kingdom
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 ...

Sales Director (Telecoms)

Hiring Organisation
MBR Partners
Location
London, United Kingdom
Salary
£ 80 K
client is one of Europe's fastest-growing companies and provides open-source solutions and offers their own widely adopted Linux-based operating system. They provide licensed enterprise software products, commercial support, managed services, consulting and training services to customers who are deploying open source applications … business, maintain and develop existing relationships, and work with colleagues and partners on account strategy. They must be comfortable selling enterprise software, open source, cloud, virtualization, container technologies and technical software solutions to senior levels of the enterprise. There will be some lead generation support from sales development ...

Design Verification Engineer

Hiring Organisation
Platform Recruitment
Location
City of London, London, United Kingdom
constrained by legacy methodology; you’ll be encouraged to shape how it’s done. The Role The verification approach is flexible and evolving, combining open-source and in-house tooling rather than relying on rigid, traditional frameworks. Engineers here are expected not just to verify designs … closely with designers to resolve them Build and improve verification infrastructure, including test frameworks and CI systems Contribute to internal tooling and, where appropriate, open-source projects Requirements Strong debugging and problem-solving ability in complex hardware systems 2+ years’ experience in RTL functional verification (FPGA or ASIC ...

Senior Technologist - Birkbeck Centre for Creative AI

Hiring Organisation
Birkbeck University
Location
London, United Kingdom
Salary
£ 60 K
open-source AI models running, keep them running, and help artists, media practitioners, students and researchers do genuinely new things with them? Birkbeck is establishing a Centre for Creative AI: a new, 1.97m facility opening in autumn 2026. We are looking for a Senior Technologist to build … technical foundations.Salary range51,713 rising to 60,858 per annumContract typeOpen endedModeFull timeGrade8Business UnitInformation ServicesClosing Date05/10/2026Ref No2499Can you get open-source AI models running, keep them running, and help artists, media practitioners, students and researchers do genuinely new things with them? Birkbeck is establishing ...

Product Manager, Agent Harness & Modelling

Hiring Organisation
Cohere
Location
London, United Kingdom
Salary
£ 70 K
prioritize model capabilities and evals most critical for delivering on those goals. Establish a clear roadmap for our agentic modeling capabilities.Stay current with the open-source and commercial agent ecosystem and drive adoption decisions that keep North's architecture aligned with emerging standards.Requirements5+ years of product management experience … research PM, in agentic AI systems,, or applied ML productsDeep understanding of agentic harnesses, including the latest paid and open source offerings.Deep understanding of modern LLM agent architectures, including multi-agent systems, tool-augmented reasoning, memory and retrieval, programmatic orchestration, RAG, and long-horizon executionStrong grasp of agentic ...

Demand Generation Lead

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 ...

Global Threat Analyst, Protective Intelligence, GSRS, EMEA

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
analysis that directly informs critical protective operations, keeping the companys most at-risk employees safe. You will apply well-honed judgement, security acumen, and open-source research skills to conduct tactical threat monitoring, strategic risk assessments, intelligence briefings, and manage vendor performance. Your role requires established skills … Minimum qualifications: Bachelor's degree or equivalent practical experience. 4 years of experience managing security intelligence analysis and risk mitigation strategies, including experience with Open Source Intelligenc (OSINT). 2 years of experience supporting projects related to close protection (executive protection) operations through analytic support or prior operational ...

Journalist (Storyful)

Hiring Organisation
Dow Jones & Co
Location
London, United Kingdom
Salary
£ 60 K
ideal candidate will have an interest in finding compelling stories via social media, and in producing original reporting that uses cutting-edge verification and open-source intelligence techniques. They will be at home in a fast-paced, video-led, breaking news environment, and able to serve a diverse … stories, from conflict zones to weather events and politics. As a journalist, the ideal candidate will be self-motivated and energetic, keen to learn open-source investigative and verification techniques.Responsibilities will include:Hybrid working 12pm to 8pm UK hoursMonitoring Storyful’s news feeds for emerging stories and undertaking ...

Java Software Engineer

Hiring Organisation
Accenture
Location
London, United Kingdom
Salary
£ 100 K
experience in the following skills· Excellent hands-on experience with Java and associated technologies.· Experience working with Spring Boot.· Hands-on knowledge of open-source tools, libraries and standards.· Some working knowledge of containers (Docker).· Strong experience of working in Test Driven Development, test coverage, unit tests … Knowledge of both traditional and agile delivery methods.· Drive and desire to further your skillset and lead in the application domain.· Good knowledge of Open source and open standards.· Strong analytical skills and attention to detail.· Knowledge and demonstrable experience of both traditional and agile delivery methods.What ...

Enterprise Architect - AI

Hiring Organisation
World Wide Technology
Location
London, United Kingdom
Salary
£ 70 K
degree (MS in CS/AI/ML or related) beneficial but not required given sufficient hands-on depth.Continuous, demonstrable learning in AI — publications, open-source contributions, conference speaking, or lab-based experimentation are all valued signals.Job RequirementsEnterprise Architect — Artificial IntelligenceAI/ML Infrastructure, Platform & GovernancePractice AreaEnterprise Architecture … documentation, audit trail, and approval-gate processes for production AI systems.Security & CloudAI-specific security fundamentals: model security, prompt-injection defenses, supply chain security for open-source/open-weight models.Solutions-architect level expertise in at least one hyperscaler (AWS, Azure, or GCP), including their native AI/ ...

Enterprise Architect - AI

Hiring Organisation
World Wide Technology
Location
London, UK
Employment Type
Full-time
/AI/ML or related) beneficial but not required given sufficient hands-on depth. Continuous, demonstrable learning in AI — publications, open-source contributions, conference speaking, or lab-based experimentation are all valued signals. Job RequirementsEnterprise Architect — Artificial IntelligenceAI/ML Infrastructure, Platform & GovernancePractice AreaEnterprise Architecture — AI & Emerging … audit trail, and approval-gate processes for production AI systems. Security & CloudAI-specific security fundamentals: model security, prompt-injection defenses, supply chain security for open-source/open-weight models. Solutions-architect level expertise in at least one hyperscaler (AWS, Azure, or GCP), including their native ...

Senior Engineer - Payments

Location
Greater London, England, United Kingdom
across international teams. Why Join Us? Competitive Package: Attractive salary + discretionary performance bonus. Continuous Growth: Dedicated funding for professional certifications, training, and conferences. Open Source First: We embrace open-source principles internally and actively encourage contributions to the wider developer community. About us Ebury delivers ...

Software Engineer, New Grad - Infrastructure

Location
Greater London, England, United Kingdom
technical team members. Willingness to learn and make decisions independently, and the ability to ask questions effectively. Eagerness to delve into the source code of open-source libraries (such as Cassandra or Chromium) to truly understand how they work or to debug an issue. Staying … date with recent industry practices and advancements in open-source technology. What We Require Engineering background in fields such as Computer Science, Mathematics, Software Engineering, or Physics. Familiarity with data structures, storage systems, cloud infrastructure, frontend frameworks, and other technical tools. Experience coding in programming languages, such ...

Senior Engineer - Payments

Location
Greater London, England, United Kingdom
What We Offer Compensation Competitive salary and benefits package. Bonuses: Discretionary performance-based bonus. Growth: Continued personal development through funded training and professional certifications. Open Source Culture: We are Open Source-friendly, following open principles in our internal projects and actively encouraging contributions ...

Associate Director, Lead AI Architect, Security & Justice, Engineering, AI & Data, Technology & Transformation

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
£ 100 K
from a PhD or equivalent in Computer Science/Machine Learning/Artificial Intelligence, extensive relevant experience in their previous role, personal projects, open source contributions, etc.Extensive experience designing, developing, and deploying enterprise-grade AI/ML solutions, including experience managing technical teams and stakeholder relationships is crucial.Deep … highly desirable.Expert-level proficiency in Python, and modern AI/ML frameworks, including PyTorch, TensorFlow, and specialised Generative AI libraries (LangChain, LangGraph or related open-source toolkits strongly preferred. Background in Traditional ML/AI is preferred.Deep understanding of LLMs, prompt engineering, RAG pipelines, vector databases, and generative ...

platform engineer for high-performance computing

Location
Greater London, England, United Kingdom
software development environments using tools such as Jira and Confluence Deep familiarity with high-performance application tools, techniques, and optimizations, including engagement with the open-source community Nice to have: Contributions to open-source tools. Условия Agile working culture with flexibility opportunities. #J-18808-Ljbffr ...

Lead Solution Architect (SFIA 5)

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
solve complex, real-world challenges that have a direct impact on frontline services and public outcomes. You'll work with modern cloud-native architectures, open source technologies, and Agile and DevSecOps practices to shape scalable, secure, and resilient solutions. As a trusted technical leader, you'll collaborate with … significant commercial experience across many of the following areas: Solution Architecture and Technical Design Strong software engineering background with previous hands-on development experience Open Source technologies and frameworks Cloud platforms, ideally AWS Cloud-native architectures and distributed systems Security architecture and secure-by-design principles Identity ...

Senior Software Engineer, Sandboxes (EU or East Coast Preferred)

Location
Greater London, England, United Kingdom
evolve the architecture as requirements grow. Mentor engineers on the team and set the bar in design reviews and code reviews. Engage with the open source and agentic development community around sandboxing, MCP, and related ecosystems. Participate in on-call rotations and respond to critical stability issues affecting … improvements. First 90 Days Lead the design and development of a significant improvement or feature of the local sandboxes stack. Engage with our open source project and the relevant upstream communities. Shape the team's technical direction, and drive architecture discussions. One Year Outlook (First Year) Deliver measurable ...

Senior Manager, Lead GenAI Engineer, Engineering, AI & Data, Technology & Transformation

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
£ 120 K
rich industry (e.g., financial services, healthcare, or similar).Demonstrated track record of thought leadership in AI/ML, evidenced by patents, publications, or significant open-source contributions.Relevant industry certifications (AWS/Google/Azure/IBM ML or equivalent Certifications) and deep understanding of technical courses (e.g., Andrew … highly desirable.Expert-level proficiency in Python, and modern AI/ML frameworks, including PyTorch, TensorFlow, and specialised Generative AI libraries (LangChain, LangGraph or related open-source toolkits strongly preferred. Background in Traditional ML/AI is preferred.Deep understanding of LLMs, prompt engineering, RAG pipelines, vector databases, and generative ...

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

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 ...

Research Scientist, LLM Agents (Foundational Research)

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 open-source experience). Strong software and/or infrastructure engineering skills and ensuring well-managed software delivery, as evidenced by code contributions ...

Solutions Engineer

Location
Greater London, England, United Kingdom
Strong communication skills with both technical and executive audiences. Independent ownership, urgency, resilience, and results in a high‐performance startup environment. Passion for AI, open source, and helping customers achieve real outcomes. Nice to have Kubernetes, CUDA, TensorRT, ONNX, Jetson, or other edge accelerators. Experience with MLOps, model …/CD, or observability. Familiarity with AWS, Azure, GCP, serverless systems, or managed inference platforms. Experience integrating OpenAI or Anthropic APIs into customer tools. Opensource contributions or experience supporting developer communities. Knowledge of Ultralytics YOLO workflows and production computer vision solutions. Why this role Real impact: Your ...

ML Engineer

Location
Greater London, England, United Kingdom
core intelligence, including context representation, memory, reasoning, planning, and orchestration. Decide when to design new model architectures versus adapting or leveraging frontier open-source or commercial models. Define evaluation frameworks that measure real-world usefulness, robustness, safety, and long-term behavior. Own alignment, safety, and guardrail strategy … core intelligence, including context representation, memory, reasoning, planning, and orchestration. Decide when to design new model architectures versus adapting or leveraging frontier open-source or commercial models. Define evaluation frameworks that measure real-world usefulness, robustness, safety, and long-term behavior. Own alignment, safety, and guardrail strategy ...

Software Engineer - Data Infrastructure

Location
Greater London, England, United Kingdom
senior level. We will help you identify a suitable position depending on your experience and interests. Engineers who thrive at Canonical are mindful of open-source community dynamics and equally aware of the needs of large, innovative organisations. Location: This role can be filled in European, Middle East … upgrades for long haul company events About Canonical Canonical is a pioneering tech firm that is 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 ...