1 to 25 of 32 Open Source Jobs in Central London

Storage Engineer

Hiring Organisation
Ncounter LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
that support critical research and trading workloads. This role offers the opportunity to work on innovative, high-impact projects at the intersection of cloud, open-source, and high-performance computing. The Role: Design and develop scalable data orchestration services across cloud and on-prem environments. Create unified platform … abstractions to streamline data access across diverse storage technologies. Integrate open-source and vendor storage solutions through rapid prototyping and engineering. Optimise storage performance and efficiency across large-scale infrastructure. Collaborate across engineering functions to deliver robust end-to-end platform capabilities. Own operational responsibilities: troubleshooting, performance tuning ...

Design Verification Engineer

Hiring Organisation
Platform Recruitment
Location
City of London, London, United Kingdom
supported in pushing the envelope alongside top pioneers in verification. Responsibilities Design and maintain robust testbenches and targeted tests using the organisation’s mixed open-source and proprietary verification environment. Develop and own comprehensive verification plans, ensuring coverage goals and test strategies are clear and defensible. Identify … resolve design defects efficiently. Oversee and refine the test infrastructure, including management of test suites, CI pipelines, and the improvement of both internal and open-source tooling. Requirements Strong debugging and analytical capability, able to isolate and resolve complex RTL and testbench issues efficiently. At least two years ...

Senior Java/Kotlin Engineer x 4

Hiring Organisation
Oliver Bernard
Location
City of London, London, 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 ...

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 ...

software engineer

Hiring Organisation
Natural Resourcing Ltd
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £700 per day
skills in web front end technologies such as HTML, CSS, Bootstrap Golang Spring Boot Docker Kubernetes Atlassian Build tools: Maven, Gradle, Ant Familiar with source control systems, such as GIT, including branching, merging, etc. Testing: TDD, unit testing, JUnit, Mockito, Cypress Good knowledge of relational databases such as MySQL … scripts, store procedures Shift to the left: Functional test automation (API testing, UI testing [cucumber, nightwatch]) Nice to have skills: AWS Knowledge of Open Source BPMN workflow engines (Camunda, Activiti or Flowable) Experience on a front-end javascript framework such as react, angular or vue.js RedHat OpenShift ...

Staff React Engineer (TypeScript + AI Experience)

Hiring Organisation
Wizeline
Location
City of London, London, United Kingdom
platforms (AWS, GCP, Azure) and infrastructure-as-code tools such as Terraform. Background in data visualization or AI-driven UX design . Contributions to open-source projects or active participation in tech communities. Experience leading distributed teams in agile environments . What we offer A High-Impact Environment ...

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
Central London, London, United Kingdom
Employment Type
Permanent
practices for production deployment. Generative AI & LLM Integration - Proficient in working with Large Language Models including OpenAI GPT models, Anthropic Claude, Azure OpenAI, and open-source alternatives (Llama, Mistral). Experience with prompt engineering, fine-tuning, RAG (Retrieval Augmented Generation) architectures, vector databases (Pinecone, ChromaDB, FAISS), embeddings ...

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £700 per day
practices for production deployment. Generative AI & LLM Integration - Proficient in working with Large Language Models including OpenAI GPT models, Anthropic Claude, Azure OpenAI, and open-source alternatives (Llama, Mistral). Experience with prompt engineering, fine-tuning, RAG (Retrieval Augmented Generation) architectures, vector databases (Pinecone, ChromaDB, FAISS), embeddings ...

Senior Full Stack Engineer (Golang/Typescript/Kubernetes)

Hiring Organisation
Safe Intelligence
Location
City of London, London, United Kingdom
experience with Python, modern development techniques, and design patterns. Experience in data science tools and ML tools (e.g., NumPy, pandas, scikit-learn, PyTorch) and open-source contributions (especially Python-based) would be a bonus. Familiarity with CUDA, GPU-based computations, end-to-end neural network training, MLOps ...

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 ...

Lead Software Engineer (Scala & Spark)

Hiring Organisation
Aker Systems Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
years. As a Software Engineer, you will help lead the development of backend services for a government client leveraging the latest commercial and open-source technologies. This involves designing, developing, documenting and deploying backend services with a focus on high availability, low latency and scalability. Design, develop, document … clean code, documentation, defensive programming, automated testing and code reviews Working in Agile development and/or DevOps teams Using GitHub/GitLab for source control Test Driven Development with appropriate tools and frameworks Experience in Big Data technologies Experience in Public Cloud services, such as AWS Aker Systems ...

Full-Stack Java Engineer (Mid-to-Senior) - Remote First | Full-Time or 4-Day Equivalent

Hiring Organisation
PhixFlow
Location
Central London, UK
your time. 1. Application: Submit your CV and a cover letter to careers@phixflow.com explaining your relevant experience, both from paid work or other open-source projects you are involved with. 2. Online Assessment: Successful applicants will be invited to complete a short intellectual challenge (logic test) designed ...

Full-Stack Java Engineer (Mid-to-Senior) - Remote First | Full-Time or 4-Day Equivalent

Hiring Organisation
PhixFlow
Location
City of London, London, United Kingdom
your time. 1. Application: Submit your CV and a cover letter to careers@phixflow.com explaining your relevant experience, both from paid work or other open-source projects you are involved with. 2. Online Assessment: Successful applicants will be invited to complete a short intellectual challenge (logic test) designed ...

Full-Stack Java Engineer (Mid-to-Senior) - Remote First | Full-Time or 4-Day Equivalent

Hiring Organisation
PhixFlow
Location
Central London / West End, London, United Kingdom
your time. 1. Application: Submit your CV and a cover letter to careers@phixflow.com explaining your relevant experience, both from paid work or other open-source projects you are involved with. 2. Online Assessment: Successful applicants will be invited to complete a short intellectual challenge (logic test) designed ...

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 ...

AI ML Engineer (Agentic AI & GenAI)

Hiring Organisation
Project Recruit
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
performance, monitor production systems, and ensure reliability, Auto Scaling using Prometheus, Dynatrace and Lang Smith Key Requirements: Hands-on experience with GenAI, Gemini or Open source LLMs, Train, finetune and Onboard new LLMs Experience in building GenAI applications using Python Hands-on experience with API development and Microservices ...

Research Engineer

Hiring Organisation
Vertex Search
Location
City of London, London, 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 ...

Senior Software Engineer

Hiring Organisation
Burns Sheehan
Location
City of London, London, United Kingdom
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 ...

Site Reliability Engineer

Hiring Organisation
Autonomai Recruitment
Location
City of London, London, United Kingdom
optimization affects performance Next-generation simulation and HPC compute pipelines, supporting ML/AI workflows at scale. Integration and continuous improvement of internal and open-source tools for automation and reliability. Strategic platform direction: shaping foundational systems for critical infrastructure in an elite trading environment. Team and Culture ...

Agentic Developer - Building guardrails for autonomous AI

Hiring Organisation
governr
Location
City of London, London, United Kingdom
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 ...

Lead Data Scientist

Hiring Organisation
Sahaj Software
Location
City of London, London, United Kingdom
ambiguous problem statements. Our client problems can range in a variety of domains. Some examples, but not limited to, are building a RAG leveraging open source or commercial LLMs, building a Multiagent system, leveraging Small Language models that could be locally resident, problems in computer vision, speech, Natural … Work across multiple domains What are the benefits of being at Sahaj? Unlimited holiday allowance Life insurance & private health insurance Stock options No hierarchy Open Salaries ...

AI Lead

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
team from the ground up. Key Skills/Experience: Experience with LLMs, generative AI models, and RAG pipelines. Frameworks: OpenAI, Anthropic Claude, Gemini, and open-source models Agentic AI, Langgraph, Crew AI, Autogen Python Development (Hands-on coding) Must have deployed AI applications on cloud. (Azure/ ...

Lead Software Engineer

Hiring Organisation
Burns Sheehan
Location
City of London, London, United Kingdom
solving ambiguous and complex challenges. 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 ...

Deep Learning Engineer

Hiring Organisation
Humanoid
Location
City of London, London, United Kingdom
. Proven productization of deep nets (latency/throughput constraints, telemetry, on‐device optimization). Publications at ICLR/ICML/NeurIPS or equivalent opensource contributions. Familiarity with OpenVLA, Physical Intelligence (π) models, or similar open VLA frameworks. What We Offer: Competitive salary plus participation ...

GPU Software Engineer

Hiring Organisation
microTECH Global LTD
Location
City of London, London, 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 ...