926 to 950 of 2,269 Open Source Jobs in the UK

AI Engineer

Location
Greater London, England, United Kingdom
years of experience in software engineering, AI engineering, or ML systems**We value evidence of building, including:*** Shipped products* Real systems running in production* Open-source contributions* Side projects and experimentationDemonstrated delivery matters more than credentials.**Why Join SLR**You will help build real AI systems ...

Software Development Engineer

Location
Cambridge, England, United Kingdom
hands‐on in the field, keeping software, communications, and logging working throughout operations. Required skills: 3+ years building and shipping production software, through work, open‐source, or your own projects. A CS or software‐engineering degree, or equivalent practical experience. Strong full‐stack web development. Python ...

Lead AI Solutions Architect

Hiring Organisation
Source Group International
Location
London, UK
Employment Type
Full-time
real-time inference APIs. Demonstrated ability to apply AI FinOps (Token Economics), managing the cost-performance trade-offs between proprietary LLMs and fine-tuned open-source models (e.g., Llama/Mistral). Proficiency in "vibe coding" and AI-native development workflows, utilizing Agentic IDEs and LLM-driven code ...

Senior Software Engineer

Hiring Organisation
Elekta
Location
Oxford, Oxfordshire, United Kingdom
Salary
£ 70 K
PostgreSQL).Frontend experience with Angular, JavaScript, HTML5, CSS3.Hands-on experience with Docker, Kubernetes, and CI/CD pipelines (Azure DevOps or similar).Familiarity with open-source tools, cloud platforms, and infrastructure automation.Understanding of software design patterns, asynchronous programming, and event-driven systems.Experience in regulated industries (healthcare preferred), cybersecurity ...

Senior Engineering Manager – Machine Learning

Location
United Kingdom
qualifications: Experience in the gaming or entertainment industry Experience working with tools and technologies such as Spark, Snowflake, Qwak, MLFlow, Airflow, etc Contributions to open‐source AI/ML projects or participation in AI/ML competitions (e.g., Kaggle) Experience with training and fine‐tuning large‐scale foundation ...

Senior ML Engineering Manager — Applied AI & Research

Location
United Kingdom
qualifications: Experience in the gaming or entertainment industry Experience working with tools and technologies such as Spark, Snowflake, Qwak, MLFlow, Airflow, etc Contributions to open‐source AI/ML projects or participation in AI/ML competitions (e.g., Kaggle) Experience with training and fine‐tuning large‐scale foundation ...

Principal Automation Test Consultant

Location
Greater London, England, United Kingdom
success and leading by example. You will: Design and Develop: Build and support automation or performance test frameworks using the most appropriate solutions. Whether open source or commercial, or a combination. Collaborate with Clients: Work closely with clients to understand their requirements and create tailored QA strategies. Provide ...

AI Native SW Eng

Location
United Kingdom
strategy, vector search, context window engineering and tuning against real quality targets Integrate and abstract across multiple LLM providers OpenAI, Anthropic, Vertex AI, and open-source models with fallback routing, token, cost, and latency management Implement LLMOps in production: eval harnesses with real quality metrics, prompt versioning, observability ...

Infrastructure Software Engineer, Apps Platform

Location
Greater London, England, United Kingdom
focused startup, owning a product end-to-end Experience running secure workloads in multi-tenant or untrusted environments (e.g., FaaS, CI sandboxes, remote notebooks) Open-source contributions to systems or developer-tools projects History of on-call/incident response for production systems ***PLEASE NOTE:Our policy requires ...

Staff Full Stack Software Engineer

Location
Cambridge, England, United Kingdom
maintainability. “Nice To Have” Skills and Experience: Building or integrating with Internal Developer Portals (e.g. Backstage). Interest in AI/ML. Interest in Open-Source Software. Solid understanding of Cloud platforms (AWS, GCP, or Azure) with knowledge of Kubernetes, and other DevOps tools (e.g. Docker, Kubernetes, Terraform ...

Solutions Engineer - EMESA North (Presales)

Location
Greater London, England, United Kingdom
Value a culture of openness, collaboration, and constant evolution. Bonus points if you’ve worked with APIs, cloud-native platforms, AI-enabled systems, or open source, but curiosity matters most. Life at Gravitee At Gravitee, we invest in humans, not just roles. You’ll get: Competitive medical coverage ...

Data Scientist II - QuantumBlack, AI by McKinsey

Hiring Organisation
McKinsey & Company
Location
London, UK
Employment Type
Full-time
plusWhile we advocate using the right tech for the right task, we often leverage: Python, PySpark, the PyData stack, SQL, Airflow, Databricks, Kedro (our open-source data pipelining framework), Dask/RAPIDS, Docker, Kubernetes, and cloud solutions such as AWS, GCP, and AzureFamiliarity with Generative AI (GenAI ...

Data Scientist I - QuantumBlack, AI by McKinsey

Hiring Organisation
McKinsey & Company
Location
London, UK
Employment Type
Full-time
using the right tech for the right task, we often leverage the following technologies: Python, PySpark, the PyData stack, SQL, Airflow, Databricks, Kedro (our open-source data pipelining framework), Dask/RAPIDS, Docker, Kubernetes, and cloud solutions such as AWS, GCP, and AzureExperience with Generative AI (GenAI ...

AI - Solutions Architect

Location
Greater London, England, United Kingdom
long‐term roadmap, and mentor technical teams on AI best practices. Demonstrate thought leadership through internal knowledge‐sharing and, where applicable, public engagements or open‐source contributions. Technology Evaluation & Innovation: Stay at the forefront of AI innovation, evaluating new tools, frameworks, and methodologies for business impact. Provide clear ...

Senior System Engineer London

Location
Greater London, England, United Kingdom
manage time across multiple projects. Excellent communication and problem‐solving skills with the ability to explain complex technical concepts to diverse audiences. Contributions to open‐source projects or active participation in technical communities is a plus. Inclusion, Work‐Life Balance and Benefits at Man Group You'll thrive ...

Senior Site Reliability Engineer

Location
Reading, England, United Kingdom
every team Developer tooling and automation that compounds - reusable GitHub Actions, GitOps workflows, Terraform modules - so every engineer ships faster Reusable components packaging common open‐source tools (Grafana, Istio, CloudNative stack, and ML tooling such as model registries and feature stores) for teams to deploy in any environment ...

Senior AI Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £700 to £900 per day
OWASP. Experience working with highly regulated, mission-critical or data-intensive organisations. Experience with large-scale data platforms and distributed search. Contributions to open-source AI/ML projects. The Engineering Challenge This isn't a role focused on experimenting with AI in notebooks or stitching together ...

Cloud Support Engineer

Location
Greater London, England, United Kingdom
software in client cloud environments Exposure to core banking, payments or financial services infrastructure Familiarity with gRPC, protobuf or service-to-service communication patterns Open-source contributions or evidence of self-driven learning in cloud, infra or backend tooling Experience contributing to support process design or automation initiatives ...

Senior Software Engineer

Location
Southampton, England, United Kingdom
Windows environments with Puppet at scale Familiarity with puppet-lint, rspec-puppet, and automated Puppet module testing pipelines Understanding of Puppet Enterprise or open-source Puppet Server administration PowerShell Scripting Proficient PowerShell scripting for Windows Server administration, task automation, and hybrid cloud integrations (AWS Tools for PowerShell, Azure ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
Windows environments with Puppet at scale Familiarity with puppet-lint, rspec-puppet, and automated Puppet module testing pipelines Understanding of Puppet Enterprise or open-source Puppet Server administration PowerShell Scripting Proficient PowerShell scripting for Windows Server administration, task automation, and hybrid cloud integrations (AWS Tools for PowerShell, Azure ...

Senior DevOps / Platform Engineer - Autonomous Vulnerability Research (Harness Engineering)

Location
City of Edinburgh, Scotland, United Kingdom
workloads, including GPU scheduling, inference infrastructure, or agent runtime environments.* Cloud or Kubernetes certifications, or cyber security related qualifications and trainings.* Contributions to open-source infrastructure, platform, or security tooling.* Experience operating within highly regulated environments such as financial services, including evidencing controls to audit and risk functions. ...

Senior DevOps / Platform Engineer - Autonomous Vulnerability Research (Harness Engineering)

Location
Greater London, England, United Kingdom
workloads, including GPU scheduling, inference infrastructure, or agent runtime environments.* Cloud or Kubernetes certifications, or cyber security related qualifications and trainings.* Contributions to open-source infrastructure, platform, or security tooling.* Experience operating within highly regulated environments such as financial services, including evidencing controls to audit and risk functions. ...

Senior DevOps / Platform Engineer - Autonomous Vulnerability Research (Harness Engineering)

Location
Greater Manchester, England, United Kingdom
workloads, including GPU scheduling, inference infrastructure, or agent runtime environments. Cloud or Kubernetes certifications, or cyber security related qualifications and trainings. Contributions to open-source infrastructure, platform, or security tooling. Experience operating within highly regulated environments such as financial services, including evidencing controls to audit and risk functions. ...

Senior DevOps / Platform Engineer - Autonomous Vulnerability Research (Harness Engineering)

Hiring Organisation
Lloyds Banking Group
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
workloads, including GPU scheduling, inference infrastructure, or agent runtime environments.Cloud or Kubernetes certifications, or cyber security related qualifications and trainings.Contributions to open-source infrastructure, platform, or security tooling.Experience operating within highly regulated environments such as financial services, including evidencing controls to audit and risk functions.We know that great ...

Senior DevOps / Platform Engineer - Autonomous Vulnerability Research (Harness Engineering)

Hiring Organisation
Lloyds Banking Group
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
workloads, including GPU scheduling, inference infrastructure, or agent runtime environments.Cloud or Kubernetes certifications, or cyber security related qualifications and trainings.Contributions to open-source infrastructure, platform, or security tooling.Experience operating within highly regulated environments such as financial services, including evidencing controls to audit and risk functions.We know that great ...