Open Source Jobs in London

126 to 150 of 232 Open Source Jobs in London

Senior Data Engineer

London Area, United Kingdom
Hybrid / WFH Options
Montash
understanding of AWS services such as S3 and Redshift, particularly around storage, computation and security. Familiarity with modern BI tools such as Power BI or AWS QuickSight. Experience with open-source data stack tools like Airflow, DBT, Airbyte or similar. Strong grasp of software development best practices and CI/CD processes. Skilled in performance tuning, testing, and More ❯
Posted:

Senior Data Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Montash
understanding of AWS services such as S3 and Redshift, particularly around storage, computation and security. Familiarity with modern BI tools such as Power BI or AWS QuickSight. Experience with open-source data stack tools like Airflow, DBT, Airbyte or similar. Strong grasp of software development best practices and CI/CD processes. Skilled in performance tuning, testing, and More ❯
Posted:

Senior Data Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Montash
understanding of AWS services such as S3 and Redshift, particularly around storage, computation and security. Familiarity with modern BI tools such as Power BI or AWS QuickSight. Experience with open-source data stack tools like Airflow, DBT, Airbyte or similar. Strong grasp of software development best practices and CI/CD processes. Skilled in performance tuning, testing, and More ❯
Posted:

Junior Solutions Consultant

London, South East, England, United Kingdom
Hybrid / WFH Options
Ackerman Pierce
Job Title: Junior Solutions Consultant Location: Aldgate, London (Hybrid Working) Salary: £31,000 to £35,000We are working with a leading provider of Third-Party Risk Management (TPRM) and Open Source Intelligence (OSINT) solutions. Our mission is to help organisations make better, safer, and more informed decisions. Through a cutting-edge platform and expert analysis, we deliver critical More ❯
Employment Type: Full-Time
Salary: £31,000 - £35,000 per annum
Posted:

Applied Scientist Intern - London, UK

City of London, London, United Kingdom
Entrust
users worldwide You will be mentored by a senior machine learning scientist to make sure you are successful in your mission You will have the opportunity to publish and open-source your work You will be part of a vibrant team of 15+ Applied Scientists based in Paris and London Basic Qualifications: Currently enrolled in a Computer Science More ❯
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Applied Scientist Intern - London, UK

London Area, United Kingdom
Entrust
users worldwide You will be mentored by a senior machine learning scientist to make sure you are successful in your mission You will have the opportunity to publish and open-source your work You will be part of a vibrant team of 15+ Applied Scientists based in Paris and London Basic Qualifications: Currently enrolled in a Computer Science More ❯
Posted:

Applied Scientist Intern - London, UK

london, south east england, united kingdom
Entrust
users worldwide You will be mentored by a senior machine learning scientist to make sure you are successful in your mission You will have the opportunity to publish and open-source your work You will be part of a vibrant team of 15+ Applied Scientists based in Paris and London Basic Qualifications: Currently enrolled in a Computer Science More ❯
Posted:

Applied Scientist Intern - London, UK

london (city of london), south east england, united kingdom
Entrust
users worldwide You will be mentored by a senior machine learning scientist to make sure you are successful in your mission You will have the opportunity to publish and open-source your work You will be part of a vibrant team of 15+ Applied Scientists based in Paris and London Basic Qualifications: Currently enrolled in a Computer Science More ❯
Posted:

Founding Engineer

London Area, United Kingdom
Affinity Labs
rapid execution and experimentation. Nice to Have's Prompt-engineering or fine-tuning experience Familiarity with Stripe, Discord, TikTok or other creator-economy tools Side hustle, hackathon wins, or open-source contributions Shipping Experience: You’ve shipped AI side projects, or research, that prove you can learn fast and finish. Why this role is a-career launchpad Own More ❯
Posted:

Founding Engineer

City of London, London, United Kingdom
Affinity Labs
rapid execution and experimentation. Nice to Have's Prompt-engineering or fine-tuning experience Familiarity with Stripe, Discord, TikTok or other creator-economy tools Side hustle, hackathon wins, or open-source contributions Shipping Experience: You’ve shipped AI side projects, or research, that prove you can learn fast and finish. Why this role is a-career launchpad Own More ❯
Posted:

Founding Engineer

london, south east england, united kingdom
Affinity Labs
rapid execution and experimentation. Nice to Have's Prompt-engineering or fine-tuning experience Familiarity with Stripe, Discord, TikTok or other creator-economy tools Side hustle, hackathon wins, or open-source contributions Shipping Experience: You’ve shipped AI side projects, or research, that prove you can learn fast and finish. Why this role is a-career launchpad Own More ❯
Posted:

Founding Engineer

london (city of london), south east england, united kingdom
Affinity Labs
rapid execution and experimentation. Nice to Have's Prompt-engineering or fine-tuning experience Familiarity with Stripe, Discord, TikTok or other creator-economy tools Side hustle, hackathon wins, or open-source contributions Shipping Experience: You’ve shipped AI side projects, or research, that prove you can learn fast and finish. Why this role is a-career launchpad Own More ❯
Posted:

Senior Legal Counsel -Technology, AI & Procurement

London, United Kingdom
dunnhumby
Qualified solicitor with significant post-qualification experience. Strong background in commercial, IP, data and privacy law with a focus on technology, AI, outsourcing and wider procurement. Digital media and open source experience would be an advantage. Strong experience working in-house at a tech or digital media company or within a tech-focused team at a law firm. …/life balance. Some roles lend themselves to flexible options more than others, so if this is important to you please raise this with your recruiter, as we are open to discussing agile working opportunities during the hiring process. For further information about how we collect and use your personal information please see our Privacy Notice which can be More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Linux Production Engineer

London Area, United Kingdom
Autonomai Recruitment
interested in joining a high-performance trading firm at the forefront of low-latency systems and AI infrastructure? You’ll play a key role in designing and maintaining the open-source proprietary technology that powers large scale ML and AI workloads. This firm invests heavily in engineering, giving its Linux and systems specialists an unrestricted technology budget to More ❯
Posted:

Linux Production Engineer

City of London, London, United Kingdom
Autonomai Recruitment
interested in joining a high-performance trading firm at the forefront of low-latency systems and AI infrastructure? You’ll play a key role in designing and maintaining the open-source proprietary technology that powers large scale ML and AI workloads. This firm invests heavily in engineering, giving its Linux and systems specialists an unrestricted technology budget to More ❯
Posted:

Linux Production Engineer

london, south east england, united kingdom
Autonomai Recruitment
interested in joining a high-performance trading firm at the forefront of low-latency systems and AI infrastructure? You’ll play a key role in designing and maintaining the open-source proprietary technology that powers large scale ML and AI workloads. This firm invests heavily in engineering, giving its Linux and systems specialists an unrestricted technology budget to More ❯
Posted:

Linux Production Engineer

london (city of london), south east england, united kingdom
Autonomai Recruitment
interested in joining a high-performance trading firm at the forefront of low-latency systems and AI infrastructure? You’ll play a key role in designing and maintaining the open-source proprietary technology that powers large scale ML and AI workloads. This firm invests heavily in engineering, giving its Linux and systems specialists an unrestricted technology budget to More ❯
Posted:

AI Python Developer - Fully Remote

N7, Lower Holloway, Greater London, United Kingdom
Hybrid / WFH Options
Vertech Group (UK) Ltd
experience Strong expertise in Python (FastAPI, Flask, or Django) Good understanding of backend architecture, APIs, and cloud environments (AWS, Azure, or GCP) Experience integrating AI or LLM APIs and open-source models into live products Hands-on experience building or maintaining Retrieval-Augmented Generation (RAG) pipelines Tremendous opportunity offering plenty of scope for career progression in a friendly More ❯
Employment Type: Permanent
Salary: £100000 - £110000/annum + Benefits
Posted:

Performance Tester

London Area, United Kingdom
Arrows
improvement in performance testing practices. What we’re looking for: 5+ years’ experience in non-functional/performance testing for large-scale applications. Hands-on experience with Gatling and open-source performance tools. Strong knowledge of CI/CD tools (Jenkins, GitHub Actions, Gradle/Maven). Skilled in monitoring/logging with Prometheus and Grafana. Proficiency in More ❯
Posted:

Performance Tester

City of London, London, United Kingdom
Arrows
improvement in performance testing practices. What we’re looking for: 5+ years’ experience in non-functional/performance testing for large-scale applications. Hands-on experience with Gatling and open-source performance tools. Strong knowledge of CI/CD tools (Jenkins, GitHub Actions, Gradle/Maven). Skilled in monitoring/logging with Prometheus and Grafana. Proficiency in More ❯
Posted:

Performance Tester

london, south east england, united kingdom
Arrows
improvement in performance testing practices. What we’re looking for: 5+ years’ experience in non-functional/performance testing for large-scale applications. Hands-on experience with Gatling and open-source performance tools. Strong knowledge of CI/CD tools (Jenkins, GitHub Actions, Gradle/Maven). Skilled in monitoring/logging with Prometheus and Grafana. Proficiency in More ❯
Posted:

Performance Tester

london (city of london), south east england, united kingdom
Arrows
improvement in performance testing practices. What we’re looking for: 5+ years’ experience in non-functional/performance testing for large-scale applications. Hands-on experience with Gatling and open-source performance tools. Strong knowledge of CI/CD tools (Jenkins, GitHub Actions, Gradle/Maven). Skilled in monitoring/logging with Prometheus and Grafana. Proficiency in More ❯
Posted:

Artificial Intelligence Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
SGI
and qualifications you need Strong proficiency in Python, particularly for AI/ML, data engineering, or automation use cases Experience working with or building applications around large language models (open-source or commercial) Familiarity with LLM agents, orchestration frameworks (e.g. LangGraph, LangChain), and context management Experience with cloud platforms (AWS preferred) and associated services for AI workloads A More ❯
Posted:

Artificial Intelligence Engineer

London Area, United Kingdom
Hybrid / WFH Options
SGI
and qualifications you need Strong proficiency in Python, particularly for AI/ML, data engineering, or automation use cases Experience working with or building applications around large language models (open-source or commercial) Familiarity with LLM agents, orchestration frameworks (e.g. LangGraph, LangChain), and context management Experience with cloud platforms (AWS preferred) and associated services for AI workloads A More ❯
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Java Engineer - Up to £150,000 + Bonus + Package

Greater London, England, United Kingdom
Hybrid / WFH Options
Hunter Bond
clean, maintainable, and thoroughly tested code 🎓 STEM degree in Computer Science, Software Engineering, Mathematics, or related fields Why This Role Stands Out 💻 Engineering-first culture leveraging modern technologies and open-source tools 🚀 Fast-paced growth environment with opportunities to learn from industry leaders 📈 Real impact — your code powers live trading in high-stakes financial markets 🤝 Flat, agile team More ❯
Posted:
Open Source
London
10th Percentile
£54,375
25th Percentile
£65,953
Median
£82,500
75th Percentile
£115,000
90th Percentile
£125,000