26 to 50 of 107 Open Source Jobs in London

Lead Data Scientist

Hiring Organisation
SBS
Location
Greater London, England, United Kingdom
/ML model development, including feature selection, XAI techniques, and consensus modelling Strong programming skills (e.g., Python, Java, or similar) and experience with open-source AI libraries Ability to integrate AI models into commercial software architectures and ensure compliance with GDPR and security standards Excellent analytical and problem ...

Managing Architect

Hiring Organisation
Aker Systems Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
specialists. The successful candidate will meet all of the following essential criteria: Demonstrable experience in designing large scale cloud migration projects/programmes with open source and commercial software within AWS, Azure, GCP or hybrid Experience in operating within a multi-disciplined team and clearly communicating complex technology … Understanding of NCSC Cloud Security Principles and its practical implementations Aker Systems Attributes At Aker we work as a team, we are collaborative, hardworking, open, and delivery obsessed. There is no blame culture here: try things, and take responsibility for the outcomes. You are always part of the wider ...

Professional Services DevOps Engineer

Hiring Organisation
Walsh Employment
Location
Central London, London, United Kingdom
Employment Type
Permanent
premise and cloud-based environments Exposure to software architecture and system design would be advantageous A strong learning mindset and genuine interest in open-source technologies A consistent and credible career record , demonstrating progression and commitment within relevant organisations Role & Responsibilities As a Professional Services DevOps Engineer ...

Director, Application Architecture, Content Platforms

Hiring Organisation
S&P Global
Location
London, UK
Employment Type
Full-time
overall software development experience with at least 3+ years in high-level architecture design and implementation Expert-level proficiency in a Java based or open-source ecosystem, with strong experience in building enterprise-scale applications and microservices architectures Proven experience designing and implementing cloud-native architectures using ...

AI Engineer [Computer Vision]

Hiring Organisation
Depixen
Location
City of London, London, United Kingdom
relevant field. Experience implementing or fine-tuning vision-language models such as CLIP, BLIP, or SAM. Experience with multimodal AI, visual grounding, open-vocabulary detection, or image-text retrieval. Familiarity with edge deployment frameworks such as TensorRT, OpenVINO, or ONNX Runtime. Experience with 3D vision, point clouds, depth estimation … technical document analysis, or product data systems. Experience with OCR, technical document processing, drawing analysis, catalogue data extraction, or visual product matching. Contributions to open-source computer vision projects. Experience deploying models on cloud platforms such as AWS, GCP, or Azure. Experience with data annotation, synthetic data, active ...

AI Native Software Engineer

Hiring Organisation
Guidant Global
Location
London Area, United Kingdom
Software Engineer Location: London Travel: 50-75% (Colocate with team for 1 to 2 weeks then 1 to 2 weeks home office) – also be open to very occasional potential European travel Contract Duration: Through to September 2026 Overview Seeking a hands-on AI Native Software Engineer to design, build … accuracy, latency, and reliability Implement observability and monitoring for agent lifecycle AI Platform Integration Integrate with AI providers (e.g., OpenAI, Anthropic, Google Vertex, open-source models) Build abstraction layers to support multi-model and multi-provider architectures Optimize model usage for performance, cost, and latency Cloud-Native Development ...

AI Native Software Engineer

Hiring Organisation
Skilliantech Ltd
Location
London, United Kingdom
Employment Type
Contract
accuracy, latency, and reliability Implement observability and monitoring for agent lifecycle AI Platform Integration Integrate with AI providers (e.g., OpenAI, Anthropic, Google Vertex, open-source models) Build abstraction layers to support multi-model and multi-provider architectures Optimize model usage for performance, cost, and latency Cloud-Native Development ...

Senior Site Reliability Engineer

Hiring Organisation
Realm
Location
City of London, London, United Kingdom
Hands-on experience with data centre or bare-metal infrastructure Knowledge of high-performance networking technologies Experience managing large-scale storage systems (commercial or open-source) Compensation & Benefits Competitive salary and equity package Retirement or pension contributions aligned with local standards Health coverage including medical, dental, and vision ...

Kubernetes Linux AIOps Engineer – Elite Quant Hedge Fund

Hiring Organisation
Winston Fox
Location
City of London, London, United Kingdom
write high quality Automation/scripts from scratch. Configuration Management Tools (Ansible/Puppet/Kapitan/Terraform....) Observability: Experience within the modern open-source ecosystem (ELK, OpenTelemetry, LGTM stack, Prometheus, Grafana, Loki...) CI/CD and GitLab/GitOps : working with Development teams. A track-record ...

Manager, Applied AI Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
paced environment and adapt to changing priorities. Excellent communication, collaboration, and leadership skills. Preferred Skills Experience with generative AI research or applications. Contributions to opensource projects. Experience with front‐end development. Experience working in, or founding, early‐stage startups. Experience delivering software solutions in a fast‐paced ...

Senior Python Engineer: AI Agents & Forecasting

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience including random forests, regression models, scikit-learn, and PyTorch AWS infrastructure experience deploying containerised applications and managing cloud environments (EC2, Lambda, RDS) Open-source contributions to AI or crypto projects Compensation Salary: £80,000 to £120,000 depending on experience Equity: Competitive for the right candidate Hours ...

Head of Delivery and Service - UK Security Clearance eligibility required

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Services (24×7 cloud operations, FinOps, and platform management). Our team of 100% UK-based, SC-cleared engineers brings practical expertise from building opensource tools for the Kubernetes and CNCF ecosystem. We work with organisations including the Bank of England, the Home Office, London Stock Exchange ...

Senior C++ Developer (Hybrid, UK-Based)

Hiring Organisation
Hoptroff
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
database experience Python and/or Go (Golang) for tooling, automation, or supporting services Familiarity with time synchronisation protocols such as PTP or NTP Open-source contributions or evidence of staying current with the C++ standard Open to integrating AI tools where they add value What ...

Senior AWS Data Engineer - SC Cleared

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £450 per day
robust data pipelines for ingestion, processing, and transformation Implement and maintain ETL/ELT workflows feeding data warehouses, data lakes, or lakehouse platforms Leverage open-source and AWS-native tools to deliver scalable data solutions Apply DevOps practices , including CI/CD and automation Ensure solutions align with … solutions Experience working in Agile (Scrum) delivery environments Strong communication and stakeholder-management skills Proactive, collaborative, and delivery-focused mindset Desirable Skills Knowledge of open table formats (Iceberg, Delta) Experience with additional AWS services (CloudWatch, SNS, Athena, DynamoDB, EMR, Kinesis) Data modelling Job scheduling and orchestration tools Data virtualisation ...

Artificial Intelligence Engineer

Hiring Organisation
Soho Square Solutions
Location
London Area, United Kingdom
accuracy, latency, and reliability • Implement observability and monitoring for agent lifecycle AI Platform Integration • Integrate with AI providers (e.g., OpenAI, Anthropic, Google Vertex, open-source models) • Build abstraction layers to support multi-model and multi-provider architectures • Optimize model usage for performance, cost, and latency Cloud-Native Development ...

Forward Deployed Engineers

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500 per day + Inside IR35
accuracy, latency, and reliability Implement observability and monitoring for agent lifecycle AI Platform Integration Integrate with AI providers (e.g., OpenAI, Anthropic, Google Vertex, open-source models) Build abstraction layers to support multi-model and multi-provider architectures Optimize model usage for performance, cost, and latency Cloud-Native Development ...

AI Solution Architect - Senior Manager/Associate Director Capital Markets

Hiring Organisation
Datatech Analytics
Location
Central London, London, United Kingdom
Employment Type
Permanent
containerised and GPU enabled environments Supporting AI implementation programmes from proof of concept through to enterprise deployment and optimisation Evaluating and selecting technologies across open source and commercial platforms Designing and integrating AI solutions into existing enterprise systems and applications Working with AI Engineers, Data Scientists and technical ...

AI Engineer

Hiring Organisation
MarkIT Placements
Location
West London, London, United Kingdom
Employment Type
Contract, Work From Home
agentic systems Familiarity with secure-by-design development principles (ISO 27001, NIST, OWASP) Experience in defence, national security, or similarly regulated environments Contributions to open-source AI/ML projects Soft Skills Delivery-focused - you ship working systems, not prototypes Comfortable operating across the stack when needed Strong ...

Lead Cloud Engineer

Hiring Organisation
Natural Resourcing Ltd
Location
West London, London, United Kingdom
Employment Type
Permanent, Work From Home
looking for someone who has demonstrable experience of automating the software delivery pipeline within a highly scalable system that relies heavily on open source technologies. At Zaizi, we thrive on solving complex challenges through creative thinking and the latest tools and tech. Our culture is inclusive, modern, friendly ...

Head of Sales

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
secure, and innovate across cloud, data platforms, and AI by blending practical engineering expertise with real-world experience. Drawing on our background in creating open source projects like Terranetes and our self‐service agentic developer platform, Wayfinder, we bring that industry know‐how and expertise into your organisation … launch of Wayfinder as an agentic developer platform. The right candidate will have a strong services background and understand how to use product to open and expand those relationships. This is a player‐coach role, with both a personal new business contribution and accountability for the team’s collective ...

LLM Engineer

Hiring Organisation
XpertDirect
Location
Greater London, England, United Kingdom
Understanding of embeddings, semantic search, and LLM workflows Experience building or deploying AI systems into production Nice to Have Experience with OpenAI APIs or open-source LLMs Familiarity with prompt engineering and context optimisation Experience with cloud platforms (AWS, Azure, or GCP) Exposure to knowledge management or enterprise ...

DevOps

Hiring Organisation
Apache Associates
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
thrives in high-performance environments and is passionate about scalability, resilience, and secure systems design. Key Responsibilities Develop and customise DevOps tools, leveraging open-source technologies and programming languages such as Java, Python, and/or Go Manage, optimise, and secure diverse data stores, including object storage, inverted ...

Data Architect

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Scala, or Python where required Experience working with big data technologies and distributed systems Strong knowledge of cloud platforms (Azure preferred) Experience across both open-source and enterprise data platforms Strong understanding of data modelling and architectural methodologies Experience with microservices architecture and REST-based systems Ability ...

Senior CIRT / Threat Intel Analyst

Hiring Organisation
S&P Global
Location
Greater London, United Kingdom
Employment Type
Full Time
actors/TTPs, and assess potential impact). Understand the threat landscape through collaboration with industry peers, FS-ISAC, trust groups, and commercial/open-source intelligence, translating insights into actionable recommendations. Develop, maintain, and operationalize Incident Response playbooks and SOPs; include PIRs (Priority Intelligence Requirements), collection plans … threat hunting. Ability to produce clear, actionable intel and incident reports, including executive-ready summaries and visuals. Familiarity with threat intel workflows: collection planning, source evaluation, indicator lifecycle, PIRs, TLP, and feedback loops to detections. Experience with one or more TIPs or intel data sources (e.g., MISP, OpenCTI, Recorded ...

IT Integration Developer

Hiring Organisation
Profectus Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
programmes • Experience working alongside AI, Automation or Power Platform teams • Background in software development with the ability to work with internal codebases • PHP or open source framework experience would be beneficial • Microsoft Azure certifications would be advantageous Why Apply? This is an opportunity to join a forward thinking ...