1 to 25 of 115 Open Source Jobs in London

Software Asset Management Consultant

Hiring Organisation
Talent Smart
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 630 Daily
someone with a strong background in software development or programming, to support governance, processes, and controls around the use and contribution of Free and Open Source Software (FOSS). The role is ideally suited to someone who has previously built or maintained software and has developed a strong … developer-focused guidance to engineering teams on the implications of FOSS licensing within their applications and codebases. Analyse licensing and copyright considerations for new open-source software requests, with an understanding of real-world development use cases. Use FOSS scanning and composition analysis tools to identify licensing risks ...

Software Asset Management Consultant

Hiring Organisation
Talent Smart
Location
E14, Canary Wharf, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £630/day
someone with a strong background in software development or programming, to support governance, processes, and controls around the use and contribution of Free and Open Source Software (FOSS). The role is ideally suited to someone who has previously built or maintained software and has developed a strong … developer-focused guidance to engineering teams on the implications of FOSS licensing within their applications and codebases. Analyse licensing and copyright considerations for new open-source software requests, with an understanding of real-world development use cases. Use FOSS scanning and composition analysis tools to identify licensing risks ...

Associate OSINT Analyst

Hiring Organisation
North Quay
Location
City of London, London, United Kingdom
Company Description North Quay Holdings combines expert human analysis with advanced AI-driven software to deliver the all-source intelligence that leaders need to safeguard critical assets, mitigate risk, and seize strategic opportunities. Operating across three core service areas — Breach Detection, Executive Protection, and bespoke investigations — we connect … London Area, United Kingdom, with flexibility to work from home for some tasks. In this position, you will gather, analyse, and interpret open-source intelligence in direct support of our operations. You will monitor digital platforms, breach data sources, and open-source channels, produce detailed analytical ...

Technical Support Engineer

Hiring Organisation
Formance
Location
City of London, Greater London, UK
terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire lifecycle Provide expert-level technical support for customers using our Open Source Ledger and other backend modules. Troubleshoot complex issues, investigating and diagnosing problems quickly, and escalating them to the development team when necessary. … support and relay feedback for continuous improvement. Ability to prioritize and manage multiple tickets/issues Fluent in English Nice to have : Familiarity with open-source ecosystems, APIs, webhooks, or BE tools Basic understanding of financial services infrastructure (ledgers, reconciliation, transactions) Benefits We offer a competitive package including ...

Account Executive

Hiring Organisation
Ultralytics
Location
City of London, Greater London, UK
Ultralytics , we are shaping the future of Vision AI. Our groundbreaking YOLO (You Only Look Once) models are the world’s most widely used open-source object detection tools, empowering millions of developers and enterprises to build intelligent applications that see and understand the world. Now backed … hand in hand. Why This Role and Why Now Be part of a once-in-a-decade AI success story with an enormous open-source following and clear product-market fit. Join at the moment when Ultralytics is transitioning from foundation building to large-scale global growth. Sell ...

Senior ML Research Engineer

Hiring Organisation
Zettafleet
Location
City of London, Greater London, UK
would love to hear from you. Nice to have: Publications: At top-tier ML/CV/NLP conferences (NeurIPS, ICML, ICLR, CVPR, ICCV) Open-source: Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. ...

Graduate ML Research Engineer

Hiring Organisation
Zettafleet
Location
City of London, Greater London, UK
would love to hear from you. Nice to have: Publications: At top-tier ML/CV/NLP conferences (NeurIPS, ICML, ICLR, CVPR, ICCV) Open-source: Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. ...

Senior Full Stack Engineer

Hiring Organisation
Prolo
Location
London Area, United Kingdom
analysis using Python (pandas, numpy) Understanding of data pipelines and ETL processes AI/LLM Engineering Experience integrating LLM APIs (OpenAI, Anthropic, Gemini, or open-source equivalents) into production applications Understanding of core LLM concepts: context windows, token limits, temperature, system prompts, and model selection trade-offs Experience … Experience building scalable backend systems Ability to work across multiple domains (backend, DevOps, data) Examples of taking projects from idea to production Contributions to open source or personal projects Note : Prolo is a startup with a small engineering team, which means you'll be expected to be versatile ...

Senior Manager – AI Solutions Engineer, TMT, Sustainable Business Solutions, AI & Data

Hiring Organisation
Deloitte
Location
Greater London, England, United Kingdom
expertise in applying AI and Generative AI within industry Demonstrated track record of thought leadership in AI/ML, evidenced by patents, publications, or open-source contributions. Relevant industry certifications (AWS/Google/Azure/IBM ML or equivalent Certifications) and deep understanding of technical courses (e.g. … desirable. Expert-level proficiency in Python, and modern AI/ML frameworks, including PyTorch, TensorFlow, and specialised Generative AI libraries (LangChain, LangGraph or related open-source toolkits strongly preferred. Background in Traditional ML/AI. Deep understanding of LLMs, prompt engineering, RAG pipelines, vector databases, and generative architectures ...

Full Stack Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, Greater London, UK
already secured significant early-stage funding, including a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging … experience working with cross-functional software development teams Experience shipping and iterating on production-grade software components professionally and/or in the open-source community Ability to write robust, well tested, and well-designed code that frequently gets deployed to users Strong understanding of product development ...

Telemetry and Observability Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £515 per day
systems Build and enhance observability tooling, including dashboards, monitoring systems, alerting frameworks, and reliability standards Develop and maintain telemetry solutions using OpenTelemetry and related open-source technologies Automate observability infrastructure using Terraform and infrastructure-as-code practices Integrate monitoring and observability into CI/CD pipelines and SDLC … Experience Experience in regulated or large enterprise environments Exposure to AI/ML-driven observability or proactive monitoring initiatives Contribution to or involvement with open-source observability projects If this sounds like a fit, APPLY NOW! Telemetry & Observability Engineer | Contract | £475-£515 p/d | Inside IR35 | London ...

Full Stack Software Engineer

Hiring Organisation
83zero Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 - 130,000 Annual
architecture. In this role, you will empower the business with the technology and tools needed to leverage data throughout the organization. This Includes: Deploying open-source BI tools and platforms Setting up streaming data collection and validation services Implementing third-party analytic solutions Assisting with data-centric migration … implement solutions with minimal supervision Experience building internal-facing CRUD applications Familiarity with front-end development and ability to make basic modifications to open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET ...

Full Stack Software Engineer

Hiring Organisation
83zero Ltd
Location
London, Lime Street, United Kingdom
Employment Type
Permanent
Salary
£100000 - £130000/annum
architecture. In this role, you will empower the business with the technology and tools needed to leverage data throughout the organization. This Includes: Deploying open-source BI tools and platforms Setting up streaming data collection and validation services Implementing third-party analytic solutions Assisting with data-centric migration … implement solutions with minimal supervision Experience building internal-facing CRUD applications Familiarity with front-end development and ability to make basic modifications to open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET ...

Software Integration Engineer

Hiring Organisation
microTECH Global LTD
Location
City of London, Greater London, UK
layers. Integration work for other compression solutions, such as VC6 and point cloud compression, into different video editing and creation applications. Engaging with the open-source community to contribute changes upstream to video player open-source projects and assist with their integration of LCEVC. Development activity ...

Computer Vision Engineer

Hiring Organisation
Ultralytics
Location
City of London, London, United Kingdom
What You'll Do As a Computer Vision Engineer at Ultralytics, you will be at the forefront of developing and refining our world-class, open-source AI models. You will drive the entire lifecycle of our models, from research to real-world deployment. Key responsibilities include: Developing, training … Excellent problem-solving skills and the ability to perform in a fast-paced, high-intensity environment. A strong portfolio of projects or contributions to open-source AI repositories. 🌟 Cultural Fit - Intensity Required Ultralytics is a high-performance environment for world-class talent obsessed with achieving extraordinary results. ...

Senior Software Engineer – Property-Based Testing (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Open Source Pledge is seeking a developer for its London team to build Hegel, a new family of property-based testing libraries. You will work on open-source initiatives requiring proficiency in property-based testing and familiarity with languages like Python and Rust. The role emphasizes ...

Applied AI ML Director

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Machine Learning team in Corporate and Investment Banking is transforming the operations of the world’s largest bank by leveraging the latest advancements in open source artificial intelligence and proprietary frontier models. To facilitate rapid growth, the team is focusing expertise in key "Domains" that are crucial … Domains. We seek an team member with a strong foundation in artificial intelligence and software engineering, who has made significant contributions to open source projects and/or led the development and maintenance of AI systems vital to business operations. As an Applied AI ML Director within ...

Senior/Staff Engineer - Hegel

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
role, on a team based in London, is responsible for building out Hegel, our new family of property-based testing libraries. We are building open source libraries to provide top quality property-based testing in every language, both for the benefit of the community at large, and because … languages. Expert-level in at least one language that you would be keen to be "tastemaker" for a Hegel implementation. Having maintained an active open source library is a strong plus. The Tech: You can see most of the tech in question on https://github.com/ ...

Enterprise Account Executive (Founding)

Hiring Organisation
Sauced
Location
City of London, London, United Kingdom
offices in San Francisco and an expanding EMEA presence. With ~55 employees globally, they've built one of the world's most widely used open source data labelling platforms — trusted by over 350,000 data scientists and ML engineers worldwide. Their platform enables enterprises to train, evaluate … business. You'll be expected to generate a portion of your own pipeline alongside strong inbound demand generated through their large and active open-source community — a genuine differentiator in terms of brand awareness and warm engagement. What You'll Need - A proven track record in complex, full ...

Software Engineer ( Python )

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
applications , translating complex business and analytical requirements into well-architected technical solutions. Implement and integrate large language models (LLMs) , including: Utilising both proprietary and open-source models Fine-tuning models to meet specific business use cases Delivering solutions via APIs, such as OpenAI APIs Collaborate closely with product ...

AI Engineer

Hiring Organisation
Orion Innovation
Location
City of London, London, United Kingdom
secure API integration Exposure to multi-agent patterns (e.g., supervisor-worker, planner-executor, judge-critic) is a strong plus Nice to Have Contributions to open-source agent frameworks or AI tooling. Experience working with observability and monitoring tools to track agent performance. Exposure to knowledge graphs, memory management ...

Front End Engineer - AI

Hiring Organisation
Orion Innovation
Location
City of London, London, United Kingdom
secure API integration Exposure to multi-agent patterns (e.g., supervisor-worker, planner-executor, judge-critic) is a strong plus Nice to Have Contributions to open-source agent frameworks or AI tooling. Experience working with observability and monitoring tools to track agent performance. Exposure to knowledge graphs, memory management ...

Full Stack Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
analysis using Python (pandas, numpy) Understanding of data pipelines and ETL processes AI/LLM Engineering Experience integrating LLM APIs (OpenAI, Anthropic, Gemini, or open-source equivalents) into production applications Understanding of core LLM concepts: context windows, token limits, temperature, system prompts, and model selection trade-offs Experience ...

Global Banking & Markets - Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
reconciliation, and multi‐system migration environments. Other: Asynchronous/non‐blocking I/O frameworks (e.g., Vert.x, Netty), multi‐region/BCP architectures, and opensource contribution experience. ABOUT GOLDMAN SACHS At Goldman Sachs, we commit our people, capital and ideas to help our clients, shareholders ...

Global Banking & Markets - Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
reconciliation, and multi‐system migration environments. Other: Asynchronous/non‐blocking I/O frameworks (e.g., Vert.x, Netty), multi‐region/BCP architectures, and opensource contribution experience. ABOUT GOLDMAN SACHS At Goldman Sachs, we commit our people, capital and ideas to help our clients, shareholders ...