301 to 325 of 457 Permanent Open Source Jobs

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. ...

Software Engineer (Ardupilot)

Hiring Organisation
Stealth mode defence-tech startup
Location
Hereford, England, United Kingdom
main project. Take responsibility for the security of digital forensics. Essential skills/experience: Proven hands-on experience with Ardupilot, PX4, or a comparable open-source autopilot stack Strong working knowledge of MAVLink, mission planning tools, and UAV communication protocols Practical experience with UAV tuning, flight testing ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
future fundamental improvements. Longer term, you will help define and drive the architectural evolution of the software stack, potentially including migration from MATLAB toward opensource systems. As the company grows, there will also be opportunities to contribute to data architecture, offline scientific analysis pipelines, and web portals. ...

Senior/Staff Web Analyst (m/f/d)

Hiring Organisation
Visable GmbH / Alibaba.com
Location
Hamburg, Germany
Employment Type
Permanent
Salary
EUR Annual
workflows. Testing Automation: Deep experience with E2E testing frameworks (e.g., Cypress,Playwright) and integrating them into CI/CD pipelines for data validation. Contributions: Open-source contributions or active participation in the AI-agent or Data Engineering community. The opportunity to actively shape the future of the online ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
future fundamental improvements. Longer term, you will help define and drive the architectural evolution of the software stack, potentially including migration from MATLAB toward opensource systems. As the company grows, there will also be opportunities to contribute to data architecture, offline scientific analysis pipelines, and web portals. ...

Sr. Distinguished Machine Learning Engineer

Hiring Organisation
Capital One
Location
Plano, Texas, United States
Employment Type
Permanent
Salary
USD Annual
Scikit-learn) Ability to communicate complex technical concepts clearly to a variety of audiences ML industry impact through conference presentations, papers, blog posts, or open source contributions Ability to attract and develop high-performing software engineers with an inspiring leadership style Capital One will consider sponsoring ...

Sr. Distinguished Machine Learning Engineer

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
Scikit-learn) Ability to communicate complex technical concepts clearly to a variety of audiences ML industry impact through conference presentations, papers, blog posts, or open source contributions Ability to attract and develop high-performing software engineers with an inspiring leadership style Capital One will consider sponsoring ...

Senior Software Engineer II - Build Global Runner Training Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
cycles or CI/CD Have experience with Serverless architectures Experience with Terraform or other IaC tooling (e.g. CDK, CloudFormation, etc.) Have experience in open source contributions, including reporting bugs/issues in GitHub, testing new releases, or contributing to code Compensation Overview & Benefits We’re offering ...

Research Engineer - Machine Learning (Contractor)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
algorithms for efficient decision‐making under uncertainty with applications to AI for science. Actively engage with the broader research community through publications and opensource contributions. This job description is only an outline of the tasks, responsibilities and outcomes required of the role. The jobholder will carry ...

Staff Software Engineer, AI Reliability Engineering

Hiring Organisation
Jobleads-UK
Location
England, United Kingdom
RDMA and InfiniBand. Have expertise in AI-specific observability tools and frameworks. Have experience with chaos engineering and systematic resilience testing. Have contributed to open-source infrastructure or ML tooling. The annual compensation range for this role is listed below. For sales roles, the range provided ...