1 to 25 of 55 Remote/Hybrid Permanent Open Source Jobs

Associate OSINT Analyst

Hiring Organisation
North Quay
Location
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 three service areas: corporate breach detection, executive and family exposure monitoring, and bespoke client investigations. You will monitor ...

Research Engineer

Hiring Organisation
Arrows
Location
City of London, London, United Kingdom
Research Engineers | Frontier AI Lab I am partnering with a high-growth Frontier AI Lab, developing an open-source platform to unify structured and unstructured data into advanced knowledge graphs. The company is now expanding its research team and seeking exceptional AI Research Engineers to contribute … role focuses on developing new novel architectures. Responsibility: • Designing and developing novel model architectures in-house • Post-training and adapting state-of-the-art open-source foundation models • Owning projects end-to-end, from initial research through to production Experience: • Strong ML research track record (publications, open ...

Full-Stack Web Developer (m/w/d) - Hybrid

Hiring Organisation
Verein der Europ. Bürgerwissenschaften ECSA e.V
Location
Mitte, Berlin, Germany
Employment Type
Permanent
Salary
EUR 45,000 - 50,000 Annual
nice to have) Basic knowledge of JavaScript (nice to have) Experience with Moodle administration or development (nice to have) Experience with, or interest in, open-source and community-driven projects (nice to have) Experience with additional technologies such as REST APIs or modern frontend frameworks is a plus …/2026 Location: Berlin (Museum für Naturkunde) Platform: citizenscience.eu About Us ECSA is a European membership organisation working to advance citizen science. Our open-source platform citizenscience.eu, including the Academy, serves as a central hub for the citizen science community, connecting projects, resources, and people engaged in participatory ...

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 ...

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 ...

Full Stack Engineer (AI Startup)

Hiring Organisation
Trismik
Location
United Kingdom, UK
passion for web development, a with a particular focus on front end design; ideally, you should have previous experience with data visualization, contributed to open source projects, and/or show a strong track record of personal software projects. However, as a full stack role, you are also … spoken English. Desirable Skills Working knowledge of the following: Data visualization libraries like D3js Microservices Monorepo/turborepo architecture Docker Past experience with open source projects. Past experience in community engagement projects. Familiarity with Scrum/Agile software development practices. Our Offer £65,000 and share options ...

Infrastructure Engineer

Hiring Organisation
Bowerford Associates
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
support and implementation services. You will be able to analyse problems and the determine appropriate solutions. You will also be/have: Exposure to Open Source, Containerisation and DevOps methodologies (Docker, Kubernetes, Jenkins, Ansible, Puppet etc.). Linux OS maintenance, including, software rollout procedures, backup software setup … based in the UK and you MUST have the Right to Work in the UK long-term, without Company Sponsorship. KEYWORDS Infrastructure Engineer, Open Source, Containerisation, DevOps, Docker, Kubernetes, Jenkins, Ansible, Puppet, Linux OS, RedHat, Ubuntu, Windows, LAN, WAN, Internet, TCP/IP, Virtualisation, VMware, KVM, QEMU, Xen. ...

Senior full stack engineer: cloud infrastructure

Hiring Organisation
CommonAI Compute
Location
Cambridge, Cambridgeshire, UK
backed by VC giant Anthemis, our founders have been behind the companies like Arm, Raspberry Pi, and LowRISC that put the first open-source semiconductor chip into a high-volume consumer product. This is an opportunity to join a fast-growing company in AI and cloud computing that … technologies. The engineer will collaborate with cross-functional teams to design, develop, and implement cloud infrastructure solutions. What you’ll do · Work with existing open-source products to build our platform, modifying code where necessary. · Define infrastructure as code to build, deploy and troubleshoot our multi-cloud platform. ...

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 (GenAI)

Hiring Organisation
AJ Bell
Location
Salford, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
technical skills : Strong knowledge and deep experience of Python programming, libraries and toolchains Familiarity with large language models (LLMs) like GPT, Gemini, and open-source models such as Lama and MRR Solid understanding of RESTful API design and implementation Git based source control and JIRA Bonus points ...

Software Engineers (all genders)

Hiring Organisation
Deutsches Klimarechenzentrum GmbH
Location
Hamburg, Germany
Employment Type
Permanent
Salary
EUR Annual
have a strong interest in modern technologies and innovative software. You have excellent, proven software engineering skills, especially in Python , scripting, and collaborative/open-source software development. You have hands-on experience with distributed systems and messaging technologies such as Apache Kafka . You bring practical knowledge …/cloud environments, Docker, Python-based AI and data analysis tools, and message queue systems. You enjoy working in an international team and are open to travel. You have strong communication skills in English; German is a plus. You are a team player with strong problem-solving skills ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) Other Stuff NB: Please only apply if you are a UK National ...

Principle Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) Other Stuff NB: Please only apply if you are a UK National ...

Data Scientist

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
customer-facing AI tools, leveraging large language models and modern machine learning techniques. While the organisation operates in a regulated environment, they are open to candidates from a range of industry backgrounds, financial services experience is beneficial but not essential. Key Responsibilities Design, build, and deploy Generative AI solutions … with Generative AI (LLMs, prompt engineering, embeddings) Experience using frameworks such as LangChain, LlamaIndex, or similar Experience integrating with model APIs (e.g. OpenAI or open-source alternatives) Exposure to cloud environments (AWS, GCP or Azure) Strong problem-solving skills and a pragmatic, delivery-focused mindset Ability to work ...

Full Stack Engineer

Hiring Organisation
fs talent
Location
Hertfordshire, England, United Kingdom
journey to 5x growth over the next 6 years. Our small but mighty data team of 3 has built a cutting-edge platform using open-source technology on AWS, delivering everything from real-time dashboards to innovative web applications. We believe in shipping fast, learning quickly, and building ...

Professional Services DevOps Engineer

Hiring Organisation
Walsh Employment
Location
Central London, London, United Kingdom
Employment Type
Permanent
premise and cloud-based environments Exposure to software architecture and system design would be advantageous A strong learning mindset and genuine interest in open-source technologies A consistent and credible career record , demonstrating progression and commitment within relevant organisations Role & Responsibilities As a Professional Services DevOps Engineer ...

Machine Learning Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, Greater London, UK
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 ...

Machine Learning Engineer PyTorch LLM

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
friendly office Pension Monthly socials Impactful role that you can shape and influence Your role: As a Machine Learning Engineer you'll take open-source LLMs (code and general models) and turn them into high-performance software engineer agents using supervised fine tuning and large scale reinforcement learning. ...

Senior Cloud Security Engineer

Hiring Organisation
N26 GmbH
Location
Berlin, Germany
Employment Type
Permanent
Salary
EUR Annual
communication skills. Growth-Driven: A growth mindset focused on learning and pushing the team forward. Community Contributor: Contributions to the security community, such as open-source tools, research papers, conference talks, etc. Educational Background: A Master's degree in cybersecurity or a related field or a Bachelor ...

Senior Cloud Security Engineer

Hiring Organisation
N26 GmbH
Location
Potsdam, Brandenburg, Germany
Employment Type
Permanent
Salary
EUR Annual
communication skills. Growth-Driven: A growth mindset focused on learning and pushing the team forward. Community Contributor: Contributions to the security community, such as open-source tools, research papers, conference talks, etc. Educational Background: A Master's degree in cybersecurity or a related field or a Bachelor ...

Forensic Data Analytics Manager

Hiring Organisation
KPMG UK
Location
City of London, London, United Kingdom
role The role will involve leading a team deploying forensic analytics (including testing routines across structured data and LLM-enabled unstructured, structured and open-source data analysis) over large datasets to help our clients solve their most complex fraud, misconduct and integrity matters. This role requires a deep … need to do is apply, create a profile, upload your CV and begin to make your mark with KPMG. Our Locations: We are open to talk to Forensic talent across the country but our core hubs for this role are: Birmingham London Canary Wharf Manchester With 20 sites across ...

DevSecOps Security Engineer - AWS, Security

Hiring Organisation
Adecco
Location
Cambridge, Cambridgeshire, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
applicants should be comfortable with a regular hybrid working pattern. Platform Security & Automation* Introduce protective validation steps throughout software delivery workflows, covering code quality, open-source components, and container images.* Engineer automated mechanisms that streamline compliance reporting and reduce operational overhead.* Enforce policy-driven safeguards within infrastructure deployment ...

System Engineer

Hiring Organisation
Intellium AI
Location
United Kingdom
geospatial/situational awareness applications Experience with version control (Git), CI/CD pipelines, and agile development practices Involvement in engineering projects, hackathons, open-source contributions, or relevant extracurricular activities Existing SC or DV clearance is a distinct advantage WHAT WE OFFER Competitive salary depending on experience ...

Infrastructure Security Engineer

Hiring Organisation
Blockchain.com
Location
London Area, United Kingdom
Benchmarks, NIST, SOC2, ISO 27001, PCI DSS) and how to operationalize them. Hands-on experience with building and maintaining a SIEM comprised of open-source and hosted components Experience securing consumer-facing web and iOS/Android applications Experience designing policies and administering Vault & other Hashicorp products. Experience ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
London Area, United Kingdom
Experience working with mobile applications (React Native/Kotlin/Swift). Experience working in regulated industries or multi-client B2B systems. Contributions to open-source Ruby projects or technical blogging. Benefits Private healthcare after your probation (including children) Hybrid working model 25 days holiday Volunteering Leave Free ...