22 of 22 Remote/Hybrid Open Source Jobs in London

Senior Java/Kotlin Engineer x 4

Hiring Organisation
Oliver Bernard
Location
London Area, United Kingdom
reactive programming (e.g., Reactor, Coroutines) Domain-Driven Design (DDD) exposure Experience in data streaming technologies (Kafka, Pulsar, etc.) Interest in contributing to internal IP, open-source work, or technical communities What We Offer Competitive salary + bonus Flexible working arrangements Private health, pension, and generous holiday allowance Opportunities ...

Data Engineer - RDF / SparQL

Hiring Organisation
Experis
Location
London, UK
Employment Type
Full-time
knowledge graphs or graph DBs Experience with RDF, SPARQL, ontologies Familiarity with cross-domain data flow patterns Infrastructure-as-Code (Terraform, CloudFormation) Exposure to open-source data frameworks The Ideal Contractor Operates independently with minimal oversight Pragmatic, delivery-driven, and quality-focused Excellent communication across technical & non-technical ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
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) What They Offer A company option scheme gives their employees a stake ...

Java Engineer

Hiring Organisation
Profile 29
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
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) What They Offer A company option scheme gives their employees a stake ...

Senior Devops Engineer

Hiring Organisation
Tata Consultancy Services
Location
London, UK
Employment Type
Full-time
SLOs, error budgets, incident response, chaos testing, and reliability automation. Containerization & Orchestration: Docker and Kubernetes for scalable deployments. Observability: Metrics, logs, traces with Dynatrace, Open Telemetry; alerting and dashboards. Security & Compliance: Secrets management, vulnerability scanning, policy-as-code. Automation: Productivity tooling for developers (Python, Schell scripts, bots, workflow automation … pipeline and IaC automation. Desirable skills/knowledge/experience: Testing Automation: Integration with Selenium/Playwright for end-to-end pipeline validation. Open-Source Contributions: Experience creating reusable modules or publishing DevOps best practices. Working Experience with ERP/COTS systems like WMS, Warehouse automations ...

Senior Cloud Security Engineer Kubernetes

Hiring Organisation
Broster Buchanan
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £120,000 per annum
term security hardening practices You appreciate building systems with good engineering practices and may have a background in software engineering at scale You're open to being a part of an on-call rota, ready to respond if we have a severe, platform-impacting security tooling failure or need … private Data Centers Kubernetes, Helm, Flux Distributed systems, mostly Golang based with CockroachDB and NATS SIEM/SOAR, EDR, CNAPP, and a suite of open source tools with custom integrations This is a fully remote role, please email your CV to apply ...

Senior Go Developer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Contract, Work From Home
focused approach, ideally within fast-paced tech organisations (start-ups or scale-ups) Knowledge of Kafka, Cassandra, gRPC, and microservices is a strong advantage Open-source contributions are beneficial If you're a Senior Go Developer looking for a challenging 6-month contract with a forward-thinking tech ...

Machine Learning Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, London, United Kingdom
software engineering skills with a focus velocity Excellent communication skills and the ability to flourish in a team Located in London/Paris and open to working in office Tech Stack: Python FastAPI Python, Typescript, or React Open source LLMs Building for production Benefits Currently Offered (likely ...

Senior Python Developer

Hiring Organisation
Oho Group Ltd
Location
London, UK
Employment Type
Full-time
autonomy and values remote flexibility Nice to Have Exposure to cloud platforms (AWS/GCP) Experience with AI/ML, data engineering, or automation Open-source contributions or a track record of technical leadership What You'll Get Fully remote, flexible working Competitive compensation and benefits High ownership ...

Research Engineer

Hiring Organisation
Vertex Search
Location
London Area, United Kingdom
Experience building pipelines for scientific or healthcare data Knowledge of cluster compute, distributed training and GPUs Understanding of healthcare data or regulated environments Open-source contributions Cloud experience (AWS/GCP/Azure) Compensation & Benefits Excellent base salary Generous equity allocation from day one Comprehensive health & wellness package ...

Principal Test Automation Consultant

Hiring Organisation
TEN10 SOLUTIONS LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
leading by example. What Youll Be Doing 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. ...

Lead Security Engineer

Hiring Organisation
The Fortune Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
first class secure environment. Suitable Lead Security Engineers will work remotely or in the London office. Projects that need to be completed Security Awareness OpenSource Software scanning Automated Vulnerability Scanning Kubernetes Vulnerability Scanning Supply Chain monitoring (container images etc.) SIEM and Monitoring/Alerting service AntiVirus/AntiMalware ...

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 ...

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 ...

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 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 ...

GPU Software Engineer

Hiring Organisation
microTECH Global LTD
Location
London Area, United Kingdom
operating systems including Windows, Linux, iOS, and Android. Enhance, maintain, and expand existing codebases (C/C Python). Integrate third-party commercial and open-source software components. Produce clear and well-structured technical documentation, including specifications, APIs, and integration guides. Support external partners and customers in integrating ...

Java Engineer - Up to £160,000 + Bonus + Package

Hiring Organisation
Hunter Bond
Location
Greater London, England, United Kingdom
system optimization 🛠 Commitment to high-quality code and engineering best practices 🌟 Why This Role Stands Out 💻 Engineering-First Culture: Work with modern tools and open-source technologies 🚀 Fast-Paced Environment: Learn from industry leaders while delivering tangible impact 📈 Real-Time Impact: Your code directly drives live trading ...

Artificial Intelligence Researcher

Hiring Organisation
microTECH Global LTD
Location
London Area, United Kingdom
preferences. Collaborate with researchers, engineers, and human feedback teams to build scalable alignment pipelines. Publish findings in top-tier AI conferences and contribute to open-source frameworks. Key Requirements: PhD in Computer Science, Machine Learning, or related field. Publications at NeurIPS, ICML, ICLR, ACL, or related venues. Deep ...

AI Engineer

Hiring Organisation
Peaple Talent
Location
London Area, United Kingdom
build AI-driven backend services powering semantic search, natural language interfaces, recommendations and assistants Integrate and deploy LLM APIs (OpenAI, Anthropic, Cohere) and open-source AI frameworks (LangChain, LlamaIndex, LangGraph) into production Design and optimise RAG pipelines using embeddings, vector databases (Pinecone, Weaviate, FAISS) and other retrieval systems ...

Unplanned Release Coordinator

Hiring Organisation
The Forward Trust
Location
London, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
Salary
£30,000
role or the prison service. Background checks across police information systems on you, your family and other associates. Credit reference checks. Social media and Open-Source checks (these are checks on content about you that's publicly available on the internet to ensure there's nothing linked ...

Sole Legal Counsel

Hiring Organisation
W&P Partners Recruitment
Location
City of London, London, United Kingdom
engineering teams. Your responsibilities will include: Acting as the company’s sole legal advisor, owning all legal matters end-to-end Advising on open-source software licensing, including copyleft and permissive licences, and ensuring ongoing compliance Drafting, reviewing and negotiating a wide range of commercial and technology agreements ...