301 to 325 of 471 Open Source Jobs

Due Diligence Analyst (Mission Assurance 4) - 27760

Hiring Organisation
HII Mission Technologies Division
Location
Fort George G Meade, Maryland, United States
Employment Type
Permanent
Salary
USD Annual
FOSS course or 3-letter agency equivalent JCITA Due Diligence Course graduate or equivalent course 5+ years of Due Diligence experience. Knowledge of various open source, digital behaviors, and common platforms utilized in one or more Combatant Command's Areas of Responsibility Experience within the Intelligence Community, CCMDs ...

Due Diligence Specialist (Mission Assurance 4) - 28270

Hiring Organisation
HII Mission Technologies Division
Location
Fort George G Meade, Maryland, United States
Employment Type
Permanent
Salary
USD Annual
FOSS course or 3-letter agency equivalent JCITA Due Diligence Course graduate or equivalent course 5+ years of Due Diligence experience. Knowledge of various open source, digital behaviors, and common platforms utilized in one or more Combatant Command's Areas of Responsibility Experience within the Intelligence Community, CCMDs ...

Head of Technology (Technical)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
waterfall and Agile methodology. Experience of many different technology types and approaches, front end, back end, SaaS, IaaS, PaaS, cloud, hybrid Cloud, Opensource, ERP, CRM, Web, Automation, DevOps, Scrum. Expertise in both the strategy and execution of digital and technology transformation. Develop and lead substantial technology and implementation functions. Support ...

Internal Legal Counsel Fleet, GB #

Hiring Organisation
Jobleads-UK
Location
Fleet, England, United Kingdom
exciting stage of our growth journey following a recent acquisition and integration. Our culture is built around our PRIDE behaviours — Practice open listening, Relationships first, Information open, Deliver across teams, Embed and execute — and we are committed to building a One Quantios culture that is inclusive, high-performing … Technology Advise on intellectual property matters including trade marks, ownership, licensing, and protection of Quantios's software and proprietary assets. Review and advise on open source usage, third-party software licences, and technology agreements. Risk Management & Legal Operations Identify and proactively manage legal and regulatory risks across ...

Research Engineer

Hiring Organisation
ScienceMachine
Location
Greater London, England, United Kingdom
reporting, review, and compliance. The Research Engineer executes our research projects. The work spans agent systems, how we quantify their performance, and fine-tuning open models. Research direction comes from product feedback; you turn it into shipped results. You will work close to the science: formulating problems, designing experiments … tooling around them. - Develop the research agent stack: memory and in-context learning, test time compute, and models. - Fine-tune and post-train open models to improve agent performance. - Work with biologists, scientific contractors, and annotators to build reproducible training and evaluation data pipelines. - Track what frontier labs ...

Research Engineer

Hiring Organisation
Hlx Life Sciences
Location
London Area, United Kingdom
tooling around them Develop the research agent stack: memory, in-context learning, test-time compute, and models Fine-tune and post-train open models to improve agent performance Work with biologists, contractors, and annotators to build reproducible training and evaluation data pipelines Track what frontier labs are shipping … science domain, biology, chemistry, medicine, or bioinformatics Post-training experience on LLMs Peer-reviewed publications or other settings where your ideas were stress-tested Open source contributions to scientific or AI tooling ...

Senior Software Engineer, Trading Platform GUI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital and cryptoassets. We operate with respect, curiosity and open minds. The people who thrive here share our belief that it’s not just what we do that matters … existing software to provide performance or architectural improvements while preserving current functionality Experience with Docker Experience with writing integration tests Experience optimizing distributed systems Opensource contributions or side projects Experience or interest in finance Experience with Node.js Experience or interest with WebAssembly and/or Rust This ...

Site Reliability Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
change the way businesses make decisions with our cutting-edge AI technology. To achieve that, we’re looking for passionate people to join our open and inclusive workplace. Our inclusive environment welcomes skills and experiences from diverse backgrounds, and defines who we are. We're hiring … Elasticsearch bill by migrating compute to more efficient chips. (Apr 2026) Built the foundation for our MCP server platform : leveraging and contributing to open-source tooling to give the whole company extensible, production-grade AI integrations. (2025–2026) Rebuilt production from scratch in a full DR gameday . ...

Lead Data Engineer (eDV)

Hiring Organisation
Aker Systems Limited
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
will assist in the development of a secure batch/real-time data platform for a government client leveraging the latest commercial and open-source technologies. This involves getting data from a variety of different sources, getting it into the right format, assuring alignment to target models … Terraform for IaC deployments Experience in Linux and Windows 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 Aker. ...

Quantitative Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Posted Todayjob requisition id: R0117891LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence … mathematical experience)Desirable* Knowledge of UNIX & AWS* Understanding of linear and mixed integer programming, and convex optimisation* Experience with at least one commercial or open-source optimisation library or a mathematical modelling language* Understanding of financial derivatives, margin and counterparty credit risk measures* A solid mathematical background (numerical ...

Senior Consultant | Cybersecurity - Incident Response | Forensic & Litigation Consulting

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
integral part of a focused team where you can make a real impact. You’ll be surrounded by an open, collaborative culture that embraces diversity, recognition, professional development and, most importantly, you. Are you ready to make your impact? About The Role We help clients solve complex cyber security … Succeed Analytical ability – The applicant should have experience identifying red flags, validating sources, and making judgment calls about the completeness and accuracy of opensource information. The applicant will be responsible for developing investigative plans and strategies for engagements and producing creative solutions to challenging research problems. Strategic ...

Data Engineer

Hiring Organisation
Norton Blake
Location
Greater London, England, United Kingdom
opportunity to join a small, highly experienced team where engineers have real ownership of the data platform and the opportunity to work with modern open-source technologies . What You’ll Be Doing Designing and building data pipelines orchestrated with Apache Airflow Developing ETL/ELT workflows ...

Senior Software Engineer - Finance

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
distributed systems and scalable architectures Experience with software testing and quality assurance practices Exposure to Rust and/or WebAssembly development Contributions to open-source projects or communities Interest in financial markets, trading systems, or fintech technologies Salary Up to £220,000 + bonus #J-18808-Ljbffr ...

Senior Software Engineer Go - WAF

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
/or networking, Linux kernel Desire to write high quality and efficient code Experience designing and implementing APIs A public track record of opensource code commits is a plus Cisco is an Affinitic Action and Equal Opportunity Employer and all qualified applicants will receive consideration for employment ...

Full Stack Engineer -TOP BANK!!

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
technologies. Tech & Projects Include: Python (FastAPI/Flask) JavaScript, REST APIs & SQL Server AI & LLM applications RAG pipelines & agentic AI workflows Locally hosted open-source LLMs Microsoft Power Platform LangChain, LangGraph, Semantic Kernel & Copilot Studio exposure Why this role stands out: Real AI engineering projects - not just ...

Machine Learning Engineer (Computer Vision)

Hiring Organisation
Matchtech
Location
Surrey, United Kingdom
Employment Type
Permanent
/deployment tooling (ONNX, TensorRT) Edge deployment experience (e.g., NVIDIA Jetson or other resource-constrained devices) Familiarity with MLOps tooling (e.g., DVC, MLflow) Relevant open-source contributions in computer vision Interested? If this sounds like you, apply with your CV or get in touch to discuss the role ...

Senior ML Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leadership. A collaborative, research‐driven environment. The chance to work on cutting‐edge AI projects that redefine creative workflows. The opportunity to contribute to opensource AI research and publications. #J-18808-Ljbffr ...

ML Engineer - Life Sciences (Early Talent)

Hiring Organisation
Nebius
Location
Netherlands
Employment Type
Permanent
Salary
EUR Annual
architectures, GPU workload profiling, deep learning system optimization, model compression techniques, or distributed inference will be especially well suited for this role. Contributions to open-source machine learning projects are also a valuable plus. During the program, you will receive mentorship from experienced professionals in AI, machine learning ...

Senior Android Developer

Hiring Organisation
Revolut
Location
City of London, London, United Kingdom
Employment Type
Permanent
Fluency in English Nice to have A degree in computer science A perspective on mobile development best practices A GitHub portfolio showcasing personal or open-source projects Experience in financial services Familiarity with test-driven development ...

ML Engineer - Life Sciences (Early Talent)

Hiring Organisation
Nebius
Location
Almere, Flevoland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
architectures, GPU workload profiling, deep learning system optimization, model compression techniques, or distributed inference will be especially well suited for this role. Contributions to open-source machine learning projects are also a valuable plus. During the program, you will receive mentorship from experienced professionals in AI, machine learning ...

ML Engineer - Life Sciences (Early Talent)

Hiring Organisation
Nebius
Location
Amsterdam, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
architectures, GPU workload profiling, deep learning system optimization, model compression techniques, or distributed inference will be especially well suited for this role. Contributions to open-source machine learning projects are also a valuable plus. During the program, you will receive mentorship from experienced professionals in AI, machine learning ...

Software Engineer

Hiring Organisation
Mice Groups
Location
San Mateo, California, United States
Employment Type
Permanent
Salary
USD 70 Annual
Responsibilities • Design, develop, and maintain complex software components • Build and support scalable, robust applications using modern technologies including React, Angular, C#, .NET, MySQL, and open-source frameworks. • Collaborate with cross-functional teams to gather requirements and ensure technical solutions meet business needs • Apply software engineering best practices: code ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
distributed systems and event-driven architectures . Experience in a Tier 1 tech company (e.g., Stripe, Grab, Google, Deliveroo, Monzo, Shopee, Bytedance) or significant open-source contributions. Hands-on experience with Temporal , GCP , or Encore.dev is a plus. Non-Technical Skills Collaborative, empathetic, and able to communicate effectively ...

Frontend Developer JBLE1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
OpenTelemetry Testing tools including: Jest Selenium Playwright Cypress Accessibility standards (WCAG) Exposure to AWS or Google Cloud Platform Advantageous Background Active GitHub portfolio or open-source contributions Experience producing technical content such as blogs, talks, or articles focused on frontend development or data visualisation Salary & Benefits Competitive salary ...

Research Engineer, Machine Learning – Paris/London/Zurich/Warsaw

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise as well as personal needs. ...