226 to 250 of 430 Open Source Jobs in London

Fintech based in London at the forefront of the eTrading space. They are after someone with a genuine passion for Java, agile development and Opensource tech to join an already highly skilled development team. You will have the opportunity to work on a cutting-edge low latency, high throughput distributed More ❯

Expertise: Familiarity with AI infrastructure on AWS and GCP, including Sagemaker, Vertex, Triton, and GPU computing. LLM Deployment: Experience with local (cloud) deployment of OpenSource LLM, like LLAMA, DeepSeek. Bonus Points: Experience with Airbyte and Elastic Search is a significant advantage. Working conditions Perks and Benefits: Fully Remote: Freedom to More ❯

will play a serious part in making the London office more efficient in its execution. The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This is a … serious money doing something you are passionate about. Development is agile and fast paced. As requirements evolve you will leverage the best of the open source community, sometimes substituting your own solutions where greater performance is needed. You will be encouraged to evangelise and prototype new technologies and More ❯

will play a serious part in making the London office more efficient in its execution. The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This is a … serious money doing something you are passionate about. Development is agile and fast paced. As requirements evolve you will leverage the best of the open source community, sometimes substituting your own solutions where greater performance is needed. You will be encouraged to evangelise and prototype new technologies and More ❯

Own the full lifecycle - from data to model to shipped product ✨ Why This Role Rocks Real-world impact - powering the future of cybersecurity workflows Open-core mindset - built on open source, with transparency at the core Collaborative, fast-paced culture - no red tape, just smart people shipping More ❯

the role The Engineering Platform and Productivity team has a charter to build a self-service, resilient, and scalable platform using a combination of Open Source projects, intellectual property, and internal infrastructure. The charter includes to build tools and services that help easily integrate a base set of … productive. Help respond and prevent incidents impacting core platforms Desirable skills, knowledge and experience Ability to work with codebases in Bash, TypeScript and Go Source control experience including branching, merging and rebasing Experience managing and deploying onto production Kubernetes or similar orchestration platforms The ability to break down complex … highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet. Project Galileo : Since 2014, we've equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to More ❯

The role will require strong technical skills across applications, infrastructure, data, and security; an understanding of architectural trends such as microservices, cloud computing, and open-source frameworks with a strong focus on innovation. At SwiftXccess, we are leading the innovation to solve major issues affecting digital financial services. … Adobe preferred). Background in B2B, B2B2C fin-tech, payments, eCommerce. Location: London, England or Remote and available during Business Hours; This role is open to remote work as our teams are distributed. We are looking for team members who perform well given a high level of independence and … for this position Full Name Email Have you ever worked in Cards & Payments domain? Yes No Do you have any Financial Services, Fintech, or Open Banking experience? Yes No Upload CV/Resume Allowed Type(s): .pdf, .doc, .docx, .rtf More ❯

The role will require strong technical skills across applications, infrastructure, data and security; an understanding of architectural trends such as microservices, cloud-computing and open source frameworks with a strong focus on innovation. At SwiftXccess we are leading the innovation to solve major issues affecting digital financial services. … and deploy cloud services application for integrations with a Payment Networks. Location London, England or Remote and available during Business Hours; This role is open to remote work as our teams are distributed. We are looking for team members who perform well given a high level of independence and More ❯

well-tested code 🎓 STEM degree (e.g., Computer Science, Software Engineering, Mathematics) 🌟 Why This Role Stands Out 💻 Engineering-Driven Culture – Emphasis on modern tech and open-source tools 🚀 Rapid Growth – Learn from the best and advance quickly 📈 Real-World Impact – Your code powers live, high-stakes trading operations 🤝 Flat More ❯

well-tested code 🎓 STEM degree (e.g., Computer Science, Software Engineering, Mathematics) 🌟 Why This Role Stands Out 💻 Engineering-Driven Culture – Emphasis on modern tech and open-source tools 🚀 Rapid Growth – Learn from the best and advance quickly 📈 Real-World Impact – Your code powers live, high-stakes trading operations 🤝 Flat More ❯

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 More ❯

environments. Confident in orchestration, scalability, and troubleshooting, you know how to keep applications running seamlessly. You're a security-minded engineer, be that through open source tooling or private: Falco Vs Aqua. You know how to build, run, manage, and secure clusters at scale. You're well-versed More ❯

Project planning for Payment/Transaction gateway, application development and business analysis using Business Intelligence Software technologies which are Amtex Core technologies and also Open Source Technologies and testing methodologies to deliver customised services and software. Support to create detailed project plans, quality control, forecast project risk analysis More ❯

the London office more efficient in its execution. Development is agile and fast paced. As requirements evolve you will leverage the best of the open source community, sometimes substituting your own solutions where greater performance is needed. You will be encouraged to evangelise and prototype new technologies and More ❯

teams. Coaching and mentoring AVP or VP level. 10+ years experience in hands-on coding in at least one of the following: JavaScript, Java. Open source experience and contribution is a plus. If you are interested in this position and would like to learn more, please send through More ❯

the London office more efficient in its execution. Development is agile and fast paced. As requirements evolve you will leverage the best of the open source community, sometimes substituting your own solutions where greater performance is needed. You will be encouraged to evangelise and prototype new technologies and More ❯

Google Kubernetes Engine. Required Skills/Experience The ideal candidate will have the following: NodeJS: Efficient run time for building server-side applications. TypeScript: Open-Source programme language superset of JavaScript with additional features. GKE (Google Kubernetes Engine) Managed service for deploying and scaling containerised applications. Job Responsibilities More ❯

Google Kubernetes Engine. Required Skills/Experience The ideal candidate will have the following: NodeJS: Efficient run time for building server-side applications. TypeScript: Open-Source programme language superset of JavaScript with additional features. GKE (Google Kubernetes Engine) Managed service for deploying and scaling containerised applications. Job Responsibilities More ❯

improving and building a best-in-class platform that powers the complex proprietry trading systems. The technology is a mixture of in-house and open-source allowing deep customisation and innovation on every level. Automation is key for my client, they automate as much as they can to More ❯

improving and building a best-in-class platform that powers the complex proprietry trading systems. The technology is a mixture of in-house and open-source allowing deep customisation and innovation on every level. Automation is key for my client, they automate as much as they can to More ❯

in full-stack delivery Are familiar with CI/CD, AWS, Terraform or other IaC tooling Have experience with Serverless architectures Have contributed to open-source or GitHub projects Have an interest in health, fitness, and tech Benefits: Equity Salary reviews every 6 months 25 days holiday + More ❯

in full-stack delivery Are familiar with CI/CD, AWS, Terraform or other IaC tooling Have experience with Serverless architectures Have contributed to open-source or GitHub projects Have an interest in health, fitness, and tech Benefits: Equity Salary reviews every 6 months 25 days holiday + More ❯

impact how patients and clinicians interact with our platform, enabling safe, accurate, and context-aware content surfacing. Responsibilities Design and implement RAG architectures using open-source and potentially proprietary LLMs (e.g., LLaMA, Mistral, OpenAI, Anthropic). Build and maintain retrieval pipelines over structured and unstructured health data (EHRs More ❯

impact how patients and clinicians interact with our platform, enabling safe, accurate, and context-aware content surfacing. Responsibilities Design and implement RAG architectures using open-source and potentially proprietary LLMs (e.g., LLaMA, Mistral, OpenAI, Anthropic). Build and maintain retrieval pipelines over structured and unstructured health data (EHRs More ❯

hire, and maintain ongoing work authorization during employment. Preferred Qualifications Demonstrated software engineer experience via an internship, work experience, coding competitions, or contributions in open source repositories (e.g. GitHub) Proven track record of achieving significant results as demonstrated by grants, fellowships, patents, as well as first-authored publications More ❯