51 to 75 of 322 Open Source Jobs in England

Staff Software Engineer

Hiring Organisation
Entrust
Location
City of London, Greater London, UK
proof systems Drive continuous improvement of development processes, deployment pipelines, and system reliability Represent Entrust's technical capabilities in industry forums and contribute to open-source biometric standards Your future short-term and major projects: Grow adoption of Biometrics products, from face matching, liveness detection and authentication ...

Full Stack Engineer

Hiring Organisation
Persistent Systems
Location
City of London, London, United Kingdom
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

Hiring Organisation
Open Answers
Location
Westminster, Greater London, UK
this job by ensuring your CV and skills are a good match. Junior Systems Engineer/Harrow (Hybrid)/Up to £35K & Great Benefits Open Answers ( .uk) is a provider of premium quality digital technology services to blue chip customers and the public sector, specialising in cloud systems integration. … 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 ...

Junior Systems Engineer

Hiring Organisation
Open Answers
Location
Harrow, Greenhill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£30000 - £35000/annum
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 ...

AI Prompt Engineer

Hiring Organisation
Staffworx
Location
London, England, United Kingdom
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 ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) Other Stuff NB: Please only apply if you are a UK National ...

Principle Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) Other Stuff NB: Please only apply if you are a UK National ...

Senior Platform Engineer

Hiring Organisation
Inspire People
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
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 ...

Senior Platform Engineer

Hiring Organisation
Inspire People
Location
Salford, Greater Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
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 ...

Senior Platform Engineer

Hiring Organisation
Inspire People
Location
Darlington, County Durham, North East, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Senior Platform Engineer

Hiring Organisation
Inspire People
Location
Westminster, Greater London, UK
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 ...

Agentic AI Software Engineer

Hiring Organisation
Accenture
Location
City of London, London, United Kingdom
designing and deploying agentic solutions (agents, orchestration, context engineering, RAG, workflows) in production environments. Strong experience with AI platforms — OpenAI, Claude, Vertex AI, plus open-source models — including building abstraction layers to manage multi-provider pipelines. Strong programming experience in Python, Java, C# or equivalent; familiarity with evaluation ...

Junior Java Developer

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Solihull, England, United Kingdom
Stash Repository • Experience of developing in a Linux development environment • Experience of working with a suite of Atlassian products • Experience of working with open-source database management systems like PostgreSQL • Experience of working with AWS services, EC2, SQS, RDS, DynamoDB, S3, Route53, KMS, Cloudwatch • Agile development methods – Scrum ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
Coventry, UK
Employment Type
Full-time
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
Bristol, UK
Employment Type
Full-time
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
Southampton, UK
Employment Type
Full-time
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
Lincoln, Lincolnshire, UK
Employment Type
Full-time
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
Maidstone, Kent, UK
Employment Type
Full-time
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
Bedford, Bedfordshire, UK
Employment Type
Full-time
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
Colchester, Essex, UK
Employment Type
Full-time
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
Ipswich, Suffolk, UK
Employment Type
Full-time
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
Peterborough, Cambridgeshire, UK
Employment Type
Full-time
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
Preston, Lancashire, UK
Employment Type
Full-time
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
Warrington, Cheshire, UK
Employment Type
Full-time
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. ...