Open Source Jobs in London

76 to 100 of 183 Open Source Jobs in London

Senior Software Engineer

City of London, London, United Kingdom
Burns Sheehan
infrastructure workflows for engineering teams Collaborating with senior engineers and product leads on design and implementation Contributing to technical strategy, team mentoring, and engineering standards Opportunity to work on Open-source projects focusing on AI agents What They’re Looking For: Strong software engineering background, ideally writing Golang Solid experience with Kubernetes Experience in cloud environments - GCP preferred More ❯
Posted:

AI Developer/Engineer

London, United Kingdom
Damia Group Ltd
to the non-technical people. What you will bring to the team 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 pipelines for continuous More ❯
Employment Type: Contract
Rate: £500 - £650/day
Posted:

Data Engineer – Core Data Models

london, south east england, united kingdom
King
Actions Familiarity with Terraform or other infrastructure as code tools Experience working in an Agile team environment Understanding of real-time data feeds and event-based architectures Contributions to open source projects Not sure you meet all qualifications? Let us decide About King With a mission of Making the World Playful , King is a leading interactive entertainment company More ❯
Posted:

Machine Learning Engineer

London Area, United Kingdom
Hybrid/Remote Options
Higher - AI recruitment
modelling, prototyping, and evaluation Strong 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 to improve as company grows More ❯
Posted:

Machine Learning Engineer

City of London, London, United Kingdom
Hybrid/Remote Options
Higher - AI recruitment
modelling, prototyping, and evaluation Strong 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 to improve as company grows More ❯
Posted:

Platform Engineer (DevEX)

London Area, United Kingdom
LinuxRecruit
for IaC, and handling all the other modern platform tools. You’ll be joining a Platform team of two ex high growth engineers who genuinely care about clean code, open source, and making developer experience better. Most importantly, there are no ego's, no red tape, just good engineers building good things. You'll have high autonomy, a … It’s not just another platform job, it’s a chance to join a company quietly redefining how industries operate, with AI doing the heavy lifting. If you’re open to hearing more, apply below or drop me an email at ethan.farrell@linuxrecruit.co.uk. More ❯
Posted:

Platform Engineer (DevEX)

City of London, London, United Kingdom
LinuxRecruit
for IaC, and handling all the other modern platform tools. You’ll be joining a Platform team of two ex high growth engineers who genuinely care about clean code, open source, and making developer experience better. Most importantly, there are no ego's, no red tape, just good engineers building good things. You'll have high autonomy, a … It’s not just another platform job, it’s a chance to join a company quietly redefining how industries operate, with AI doing the heavy lifting. If you’re open to hearing more, apply below or drop me an email at ethan.farrell@linuxrecruit.co.uk. More ❯
Posted:

Principal Consultant, DFIR - Weekend Schedule (Unit 42)

London, England, United Kingdom
Palo Alto Networks
other log sources to identify evidence of malicious activity Investigate data breaches leveraging forensics tools including Encase, FTK, X-Ways, SIFT, Splunk, and custom Crypsis investigation tools to determine source of compromises and malicious activity that occurred in client environments Manage incident response engagements to scope work, guide clients through forensic investigations, contain security incidents, and provide guidance on … and have executed on a technical front Proficient with host-based forensics and data breach response Experienced with EnCase, FTK, X-Ways, SIFT, Splunk, Redline, Volatility, WireShark, TCPDump, and open source forensic tools Incident response consulting experience required Identified ability to grow into a valuable contributor to the practice and, specifically Have an external presence via public speaking More ❯
Posted:

Senior Software Engineer

City of London, London, United Kingdom
Burns Sheehan
building solutions at scale where performance, reliability and availability are key considerations. Experience working on software infrastructure or building Cloud native software using Kubernetes Understanding of systems design and Open Source components. If you have knowledge of building virtual machines - Virtual servers, virtual networking or network programming - that's a plus... but definitely not needed! If this sounds More ❯
Posted:

Senior Software Engineer

London Area, United Kingdom
Burns Sheehan
building solutions at scale where performance, reliability and availability are key considerations. Experience working on software infrastructure or building Cloud native software using Kubernetes Understanding of systems design and Open Source components. If you have knowledge of building virtual machines - Virtual servers, virtual networking or network programming - that's a plus... but definitely not needed! If this sounds More ❯
Posted:

Platform Engineer

City of London, London, United Kingdom
Burns Sheehan
to enable rapid, reliable deployments Developing a developer portal (e.g. Backstage) and internal tooling to support engineering productivity Supporting observability initiatives and contributing to reliability metrics Working on internal open-source projects that enhance the developer experience What They’re Looking For: Strong experience with AWS (ECS, EC2, Lambda, VPC, IAM, Route53, CloudFront, S3, RDS) Solid understanding of More ❯
Posted:

Platform Engineer

London Area, United Kingdom
Burns Sheehan
to enable rapid, reliable deployments Developing a developer portal (e.g. Backstage) and internal tooling to support engineering productivity Supporting observability initiatives and contributing to reliability metrics Working on internal open-source projects that enhance the developer experience What They’re Looking For: Strong experience with AWS (ECS, EC2, Lambda, VPC, IAM, Route53, CloudFront, S3, RDS) Solid understanding of More ❯
Posted:

Linux Production Engineer

City of London, London, United Kingdom
Autonomai Recruitment
Debug complex infrastructure challenges across simulation, HPC, and AI-style compute workloads . What You Will Work On Advanced simulation and high-performance computing pipelines. Integrations with internal and open-source tools Platform and code contributions that directly improve latency and throughput Low-latency Linux systems where engineering decisions materially influence trading performance. Team Environment Small, highly skilled More ❯
Posted:

Linux Production Engineer

London Area, United Kingdom
Autonomai Recruitment
Debug complex infrastructure challenges across simulation, HPC, and AI-style compute workloads . What You Will Work On Advanced simulation and high-performance computing pipelines. Integrations with internal and open-source tools Platform and code contributions that directly improve latency and throughput Low-latency Linux systems where engineering decisions materially influence trading performance. Team Environment Small, highly skilled More ❯
Posted:

Full stack Developer

London, South East, England, United Kingdom
Hybrid/Remote Options
Avanti
/serverless solutions, databases, and storage Excited about exploring how AI can enhance creativity Passionate about digital humans, the metaverse, and conversational technology (Bonus) Interest in Unity, Unreal Engine, open source , or Unix/Linux What’s in It for You Remote-first culture – work from home with just 1 day per week in Oxford or London More ❯
Employment Type: Full-Time
Salary: £50,000 - £60,000 per annum
Posted:

Staff Software Engineer, Query Execution London

London, United Kingdom
Hybrid/Remote Options
MongoDB
organizations, like Samsung and Toyota, trust MongoDB to build next-generation, AI-powered applications. Join the MongoDB Server Query Execution team, and help us build a world-class distributed open-source database. Our team plays a crucial role in the performance and efficiency of MongoDB's data processing. We are responsible for building and improving the core execution More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead VPN Engineer (Protocol & Architecture)

London, United Kingdom
Avast Group
techniques. Background in mobile or desktop VPN client development. Experience with containerized deployments (Docker, Kubernetes). Familiarity with infrastructure automation or configuration management (e.g., Terraform, Puppet). Contributions to open-source security or networking projects. What We Can Offer: Annual bonus program. Unlimited PTO and flexible working hours. The chance to join a major global tech company in More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Agentic Developer - Building guardrails for autonomous AI

London Area, United Kingdom
governr
requirements • Security/threat modelling expertise : Understanding of adversarial AI, prompt injection, or system security • Real-time systems experience : Trading systems, fraud detection, or other low-latency critical infrastructure • Open source contributions in relevant domains (AI frameworks, monitoring tools, security infrastructure) Bonus Points (Nice to Have) • Understanding of regulatory frameworks (EU AI Act, California AI, GDPR, DORA, FCA More ❯
Posted:

Agentic Developer - Building guardrails for autonomous AI

City of London, London, United Kingdom
governr
requirements • Security/threat modelling expertise : Understanding of adversarial AI, prompt injection, or system security • Real-time systems experience : Trading systems, fraud detection, or other low-latency critical infrastructure • Open source contributions in relevant domains (AI frameworks, monitoring tools, security infrastructure) Bonus Points (Nice to Have) • Understanding of regulatory frameworks (EU AI Act, California AI, GDPR, DORA, FCA More ❯
Posted:

Lead Data Scientist

London, United Kingdom
Hybrid/Remote Options
Competition and Markets Authority
whose remit is to provide analytical support on CMA cases and develop tools to improve how the CMA operates. We build most of our tools ourselves, on top of open-source software, using our custom analysis platform built on the AWS infrastructure. Data scientists in our team have space to explore the use of new, cutting-edge techniques … an accredited Disability Confident Employer, and we are an equal opportunities employer, welcoming suitably qualified applicants from all backgrounds. We recruit by merit on the basis of fair and open competition, as outlined in the Civil Service Commission's recruitment principles. More ❯
Employment Type: Permanent, Part Time, Work From Home
Salary: £65,000
Posted:

Data Science Engineer

City of London, London, United Kingdom
DGH Recruitment
solutions aligned with the organisations Data & AI strategy. Key Responsibilities End-to-end development of AI/ML solutions. MLOps practices: CI/CD, model monitoring, retraining. Use of open-source and enterprise tools (LangChain, Azure OpenAI, Databricks). Generative AI features: embeddings, RAG, AI agents. Clean, testable code with modern engineering practices. Align with enterprise architecture and More ❯
Posted:

Data Science Engineer

London Area, United Kingdom
DGH Recruitment
solutions aligned with the organisations Data & AI strategy. Key Responsibilities End-to-end development of AI/ML solutions. MLOps practices: CI/CD, model monitoring, retraining. Use of open-source and enterprise tools (LangChain, Azure OpenAI, Databricks). Generative AI features: embeddings, RAG, AI agents. Clean, testable code with modern engineering practices. Align with enterprise architecture and More ❯
Posted:

Data Science Engineer

City of London, London, United Kingdom
DGH Recruitment Ltd
solutions aligned with the organisations Data & AI strategy. Key Responsibilities * End-to-end development of AI/ML solutions. * MLOps practices: CI/CD, model monitoring, retraining. * Use of open-source and enterprise tools (LangChain, Azure OpenAI, Databricks). * Generative AI features: embeddings, RAG, AI agents. * Clean, testable code with modern engineering practices. * Align with enterprise architecture and More ❯
Employment Type: Permanent
Salary: £80000 - £85000/annum
Posted:

Research Engineer (Data Infra/ML)

London Area, United Kingdom
Stealth
experiment tracking (DVC, MLflow). Bonus Points Experience in simulation, robotics, or autonomy pipelines. Background in deep learning (PyTorch) and 3D/sensor data (LIDAR, meshes, radiance fields). Open-source contributions or frontend/UI experience. More ❯
Posted:

Research Engineer (Data Infra/ML)

City of London, London, United Kingdom
Stealth
experiment tracking (DVC, MLflow). Bonus Points Experience in simulation, robotics, or autonomy pipelines. Background in deep learning (PyTorch) and 3D/sensor data (LIDAR, meshes, radiance fields). Open-source contributions or frontend/UI experience. More ❯
Posted:
Open Source
London
10th Percentile
£54,625
25th Percentile
£67,859
Median
£87,500
75th Percentile
£115,000
90th Percentile
£125,000