176 to 200 of 391 Open Source Jobs in the UK

Sr. Software Engineer - Remote $120/hr

Hiring Organisation
Mercor
Location
Warrington, Cheshire, UK
Employment Type
Full-time
Qualifications Must-Have 3+ years of elite software engineering experience in top-tier technology startups or similar environments. Highly skilled in Python. Experience with open-source contributions or large codebases. Computer Science or related degree from a prestigious university in the U.S., Canada, or the UK. Expert-level ...

Sr. Software Engineer - Remote $120/hr

Hiring Organisation
Mercor
Location
Cheltenham, Gloucestershire, UK
Employment Type
Full-time
Qualifications Must-Have 3+ years of elite software engineering experience in top-tier technology startups or similar environments. Highly skilled in Python. Experience with open-source contributions or large codebases. Computer Science or related degree from a prestigious university in the U.S., Canada, or the UK. Expert-level ...

Sr. Software Engineer - Remote $120/hr

Hiring Organisation
Mercor
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
Qualifications Must-Have 3+ years of elite software engineering experience in top-tier technology startups or similar environments. Highly skilled in Python. Experience with open-source contributions or large codebases. Computer Science or related degree from a prestigious university in the U.S., Canada, or the UK. Expert-level ...

Sr. Software Engineer - Remote $120/hr

Hiring Organisation
Mercor
Location
Dartford, Kent, UK
Employment Type
Full-time
Qualifications Must-Have 3+ years of elite software engineering experience in top-tier technology startups or similar environments. Highly skilled in Python. Experience with open-source contributions or large codebases. Computer Science or related degree from a prestigious university in the U.S., Canada, or the UK. Expert-level ...

Sr. Software Engineer - Remote $120/hr

Hiring Organisation
Mercor
Location
Derby, Derbyshire, UK
Employment Type
Full-time
Qualifications Must-Have 3+ years of elite software engineering experience in top-tier technology startups or similar environments. Highly skilled in Python. Experience with open-source contributions or large codebases. Computer Science or related degree from a prestigious university in the U.S., Canada, or the UK. Expert-level ...

Sr. Software Engineer - Remote $120/hr

Hiring Organisation
Mercor
Location
Worcester, Worcestershire, UK
Employment Type
Full-time
Qualifications Must-Have 3+ years of elite software engineering experience in top-tier technology startups or similar environments. Highly skilled in Python. Experience with open-source contributions or large codebases. Computer Science or related degree from a prestigious university in the U.S., Canada, or the UK. Expert-level ...

Sr. Software Engineer - Remote $120/hr

Hiring Organisation
Mercor
Location
Exeter, Devon, UK
Employment Type
Full-time
Qualifications Must-Have 3+ years of elite software engineering experience in top-tier technology startups or similar environments. Highly skilled in Python. Experience with open-source contributions or large codebases. Computer Science or related degree from a prestigious university in the U.S., Canada, or the UK. Expert-level ...

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 ...

Sr. Software Engineer - Remote $120/hr

Hiring Organisation
Mercor
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
Qualifications Must-Have 3+ years of elite software engineering experience in top-tier technology startups or similar environments. Highly skilled in Python. Experience with open-source contributions or large codebases. Computer Science or related degree from a prestigious university in the U.S., Canada, or the UK. Expert-level ...

Sr. Software Engineer - Remote $120/hr

Hiring Organisation
Mercor
Location
York, North Yorkshire, UK
Employment Type
Full-time
Qualifications Must-Have 3+ years of elite software engineering experience in top-tier technology startups or similar environments. Highly skilled in Python. Experience with open-source contributions or large codebases. Computer Science or related degree from a prestigious university in the U.S., Canada, or the UK. Expert-level ...

Sr. Software Engineer - Remote $120/hr

Hiring Organisation
Mercor
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
Qualifications Must-Have 3+ years of elite software engineering experience in top-tier technology startups or similar environments. Highly skilled in Python. Experience with open-source contributions or large codebases. Computer Science or related degree from a prestigious university in the U.S., Canada, or the UK. Expert-level ...

AI Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
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 ...

C# .Net Developer

Hiring Organisation
Damia Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650/day
team Solid C# .Net experience Fine-tune Large Language Models (LLMs) and other generative architectures. Optimise pre-trained models (OpenAI, Anthropic, or open-source LLMs) for business use cases using prompt engineering and reinforcement learning. Experiment with model configurations to balance performance, cost, and scalability. Build robust data ...

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 ...

AI Lead

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£95,000 - £100,000 per annum, Inc benefits
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 ...

Cloud DevOps Engineer

Hiring Organisation
Additional Resources Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
practices: unit testing, code reviews, documentation, debugging, and troubleshooting. Comprehensive understanding of technology stacks, from networks to applications. Solid understanding of Linux environments and Open Source technologies . A collaborative mindset, with experience working in Agile methodologies . This is an exciting opportunity for an experienced Senior Network ...

Cloud DevOps Engineer

Hiring Organisation
Additional Resources
Location
Westminster, City of Westminster, Greater London, United Kingdom
Employment Type
Permanent
Salary
£500 - £600/day
practices: unit testing, code reviews, documentation, debugging, and troubleshooting. Comprehensive understanding of technology stacks, from networks to applications. Solid understanding of Linux environments and Open Source technologies . A collaborative mindset, with experience working in Agile methodologies . This is an exciting opportunity for an experienced Senior Network ...

Senior Software Engineer - Research Management Systems (Analytics & Reporting)

Hiring Organisation
Bloomberg
Location
London, England, United Kingdom
JavaScript Experience with, or an interest in, data visualisation and communicating insights as clearly and impactfully as possible. Familiarity with industry standard and open source analytics tools such as PowerBI, Tableau, Trino. Experience with semantic data modeling. Familiarity with container technologies (Docker, Kubernetes). Discover what makes Bloomberg ...

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
Bradley Stoke, Gloucestershire, UK
Employment Type
Full-time
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, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£350 - £400 per 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 ...

Full Stack JavaScript Developer (Mobile and Web)

Hiring Organisation
ExpenseIn
Location
Southampton, UK
Employment Type
Full-time
written and verbal). Knowledge of automated testing tools and frameworks would also be beneficial, along with exposure to DevOps, technical documentation writing and open-source work. Why work with us? As a forward-thinking, collaborative company, we combine drive, energy, and ambition with a friendly, supportive culture ...

Full Stack JavaScript Developer (Mobile and Web)

Hiring Organisation
ExpenseIn
Location
Swindon, UK
Employment Type
Full-time
written and verbal). Knowledge of automated testing tools and frameworks would also be beneficial, along with exposure to DevOps, technical documentation writing and open-source work. Why work with us? As a forward-thinking, collaborative company, we combine drive, energy, and ambition with a friendly, supportive culture ...

Full Stack JavaScript Developer (Mobile and Web)

Hiring Organisation
ExpenseIn
Location
Sheffield, UK
Employment Type
Full-time
written and verbal). Knowledge of automated testing tools and frameworks would also be beneficial, along with exposure to DevOps, technical documentation writing and open-source work. Why work with us? As a forward-thinking, collaborative company, we combine drive, energy, and ambition with a friendly, supportive culture ...

Full Stack JavaScript Developer (Mobile and Web)

Hiring Organisation
ExpenseIn
Location
Coventry, UK
Employment Type
Full-time
written and verbal). Knowledge of automated testing tools and frameworks would also be beneficial, along with exposure to DevOps, technical documentation writing and open-source work. Why work with us? As a forward-thinking, collaborative company, we combine drive, energy, and ambition with a friendly, supportive culture ...