101 to 125 of 205 Open Source Jobs in the UK

Software Developer

Hiring Organisation
Fynity
Location
Conwy, UK
Employment Type
Full-time
consistent quality under demanding operational conditions. Key Responsibilities: Design, develop, and maintain software products as directed by the Software Lead or Senior Management. Use source control (Git) with best practice branching and merge strategies. Maintain build documentation and employ CI/CD pipelines where appropriate. Create and maintain unit … tests for critical code. Track, manage, and resolve issues through tools such as GitHub Issues or Jira. Research and integrate suitable open-source packages, ensuring proper licensing. Collaborate with hardware, firmware, and scientific engineering teams to deliver integrated solutions. Contribute ideas and insights through regular review meetings. Ensure ...

Data Science Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
Data & AI strategy. Key Responsibilities * End-to-end development of AI/ML solutions. * MLOps practices: CI/CD, model monitoring, retraining. * Use of open-source and enterprise tools (LangChain, Azure OpenAI, Databricks). * Generative AI features: embeddings, RAG, AI agents. * Clean, testable code with modern engineering practices. ...

Cloud Architect- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £115,000 per annum, Negotiable
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 ...

Cloud Architect- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
Cheltenham, Gloucestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £115,000 per annum
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 ...

Cloud Architect- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £120,000 per annum, Negotiable
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 ...

Cloud DevOps Engineer

Hiring Organisation
The Fortune Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
experience with routing protocols and high-availability architectures. Expertise in Infrastructure-as-Code and modern DevOps methodologies. Solid Linux knowledge and familiarity with open-source technologies. Collaborative mindset with Agile experience. Competitive salary: Hybrid working options Opportunity to work on cutting-edge projects in a highly regulated, fast ...

Senior Software Engineer

Hiring Organisation
Burns Sheehan
Location
London Area, United Kingdom
performance, reliability and availability are key considerations. Experience working on software infrastructure or building Cloud native software using Kubernetes Understanding of systems design and Open Source components. If you have knowledge of building virtual machines - Virtual servers, virtual networking or network programming - that's a plus... but definitely ...

Artificial Intelligence Engineer

Hiring Organisation
Accelero
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
model deployment and develop solutions that deliver AI capabilities to end users in AWS environments. This role is perfect for someone with expertise in Open-source, API development, fine-tuning LLMs, and integrating AI into scalable applications. If you thrive in an AI-driven development environment, enjoy working ...

AI Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
model fine-tuning , solving real business problems. About the Role Design, implement, and fine-tune LLMs and generative AI solutions (OpenAI, Anthropic Claude, Gemini, open-source models) Build and optimize RAG pipelines , vector databases, and prompt engineering strategies Develop AI-powered applications integrating LLMs with APIs, agents ...

Full Stack Engineer

Hiring Organisation
CAPU Search
Location
Cambridgeshire, England, United Kingdom
Ionic (mobile development) Solid API, authentication, and database design experience (Postgres/DynamoDB) A demonstrable track record of technical excellence — public projects, demos, GitHub, open-source, etc. Comfortable working in ambiguity, taking ownership, and wearing multiple hats Confident communicator who can work across technical and non-technical teams ...

Data Engineer

Hiring Organisation
twentyAI
Location
Slough, Berkshire, UK
Employment Type
Full-time
dive deep into datasets, understand structure, and communicate insights clearly. Experience working with structured and unstructured data at scale. Bonus points for data lakes, open-source data tooling, data warehousing, hybrid cloud, or experience in commodities/trading. Contract details Outside IR35 Up to £600/ ...

Site Reliability Engineer

Hiring Organisation
Autonomai Recruitment
Location
City of London, London, United Kingdom
optimization affects performance Next-generation simulation and HPC compute pipelines, supporting ML/AI workflows at scale. Integration and continuous improvement of internal and open-source tools for automation and reliability. Strategic platform direction: shaping foundational systems for critical infrastructure in an elite trading environment. Team and Culture ...

AI Lead

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
capabilities across platforms. About the Role Lead the design, implementation, and fine-tuning of LLMs and generative AI solutions (OpenAI, Anthropic Claude, Gemini, open-source models). Build and optimize RAG pipelines , vector databases, and prompt engineering strategies. Develop AI-powered applications integrating LLMs with APIs, agents ...

Oracle Data Migration Architect

Hiring Organisation
LHH
Location
England, UK
Employment Type
Full-time
leading role on our complex Oracle Cloud implementations, working with SaaS, PaaS, and IaaS components from across the Oracle portfolio in addition to incorporating open-source technologies, cloud-native approaches (APIs, microservices, modern applications) and products from other cloud vendors where suitable and relevant You will operate ...

Research Engineer Machine Learning

Hiring Organisation
Aspire Life Sciences Search
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
build and maintain machine learning infrastructure for large-scale training, inference, and deployment. Experience working with complex research codebases and contributing to or extending open-source frameworks. Strong proficiency with PyTorch and wider ML engineering tooling, including Docker, Kubernetes, CI/CD systems, and cloud platforms. Solid software ...

GIS developer

Hiring Organisation
Panoramic Associates
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £400/day
Developer, Analyst/Programmer or similar role. Strong technical grounding in: ESRI ArcGIS/ArcGIS Online/ArcGIS Enterprise QGIS and open-source GIS tools Spatial databases (PostgreSQL/PostGIS, SQL Server Spatial, Oracle Spatial) Python, JavaScript, REST APIs, HTML/CSS Experience developing web-mapping applications (ArcGIS ...

GIS developer

Hiring Organisation
Panoramic Associates
Location
Bristol, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 350 - 400 Daily
Developer, Analyst/Programmer or similar role. Strong technical grounding in: ESRI ArcGIS/ArcGIS Online/ArcGIS Enterprise QGIS and open-source GIS tools Spatial databases (PostgreSQL/PostGIS, SQL Server Spatial, Oracle Spatial) Python, JavaScript, REST APIs, HTML/CSS Experience developing web-mapping applications (ArcGIS ...

Principal Software Engineer

Hiring Organisation
Oliver Wyman
Location
Slough, Berkshire, UK
Employment Type
Full-time
solutions, patterns and strategies that improve efficiency and development experience across our Engineering organization. Evaluate and integrate existing or emerging cloud services and open-source technologies to enhance our products and platform capabilities and maintain a competitive edge. Collaborate with security and compliance teams to embed policies ...

Agentic Developer - Building guardrails for autonomous AI

Hiring Organisation
governr
Location
London Area, United Kingdom
expertise : Understanding of adversarial AI, prompt injection, or system security • Real-time systems experience : Trading systems, fraud detection, or other low-latency critical infrastructure • Open source contributions in relevant domains (AI frameworks, monitoring tools, security infrastructure) Bonus Points (Nice to Have) • Understanding of regulatory frameworks ...

Senior RF Data Scientist / Research Engineer

Hiring Organisation
Zero Surplus
Location
Saffron Walden, Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £100,000 per annum
beamforming, passive radar, or antenna array design is highly desirable. Knowledge of RF circuit fundamentals, FPGA or GPU acceleration, and prior publications, patents, or open-source RF/ML contributions are also beneficial but not essential. This is a full-time role based in Saffron Walden/Greater … would love to hear from you. Zero Surplus is one of the UK's premier recruitment agencies, based just outside Cambridge our recruiters source staff for small and international businesses across Suffolk, Essex, Hertfordshire, Northants, Milton Keynes, Cambridgeshire, and the rest of the UK. For registration purposes, please ...

Principal Consultant, DFIR (Weekend Schedule) - Unit 42

Hiring Organisation
Palo Alto Networks
Location
London, UK
evidence of malicious activity Investigate data breaches leveraging forensics tools including Encase, FTK, X-Ways, SIFT, Splunk, and custom Crypsis investigation tools to determine source of compromises and malicious activity that occurred in client environments Manage incident response engagements to scope work, guide clients through forensic investigations, contain security … technical front Proficient with host-based forensics and data breach response Experienced with EnCase, FTK, X-Ways, SIFT, Splunk, Redline, Volatility, WireShark, TCPDump, and open source forensic tools Incident response consulting experience required Identified ability to grow into a valuable contributor to the practice and, specifically have ...

Lead Data Scientist

Hiring Organisation
Sahaj Software
Location
London Area, United Kingdom
ambiguous problem statements. Our client problems can range in a variety of domains. Some examples, but not limited to, are building a RAG leveraging open source or commercial LLMs, building a Multiagent system, leveraging Small Language models that could be locally resident, problems in computer vision, speech, Natural … Work across multiple domains What are the benefits of being at Sahaj? Unlimited holiday allowance Life insurance & private health insurance Stock options No hierarchy Open Salaries ...

AI Research Internship - Students Pursing PhD

Hiring Organisation
MediaTek
Location
London, England, United Kingdom
advancing the broader scientific community, as well as applied AI research with potential impact on chip design and communication systems. We are committed to open science and regularly publish in top conferences such as NeurIPS, ICML, ICLR, and ACL. About The Internship We are seeking highly motivated and talented … experience in state-of-the-art AI research with real-world applications Collaborate with a team of world-class researchers and engineers Contribute to open-source efforts and scientific publications Work with and learn from leading academic and industry experts Hybrid work arrangement Competitive internship compensation Location: London ...

Platform Engineer

Hiring Organisation
NJF Global Holdings Ltd
Location
United Kingdom
firm’s global production trading infrastructure—from hardware and Linux systems to Kubernetes, observability, and build platforms. They work with a mix of open-source and in-house technologies to solve scaling, reliability, and performance problems in a highly collaborative environment. We’re expanding the team with ...

AI Lead

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
team from the ground up. Key Skills/Experience: Experience with LLMs, generative AI models, and RAG pipelines. Frameworks: OpenAI, Anthropic Claude, Gemini, and open-source models Agentic AI, Langgraph, Crew AI, Autogen Python Development (Hands-on coding) Must have deployed AI applications on cloud. (Azure/ ...