Open Source Jobs in the City of London

76 to 100 of 127 Open Source Jobs in the City of London

Data Science Engineer

london (city of london), south east england, united kingdom
DGH Recruitment
solutions aligned with the organisations Data & AI strategy. Key Responsibilities End-to-end development of AI/ML solutions. MLOps practices: CI/CD, model monitoring, retraining. Use of open-source and enterprise tools (LangChain, Azure OpenAI, Databricks). Generative AI features: embeddings, RAG, AI agents. Clean, testable code with modern engineering practices. Align with enterprise architecture and More ❯
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Data Science Engineer

City of London, London, United Kingdom
DGH Recruitment Ltd
solutions aligned with the organisations Data & AI strategy. Key Responsibilities * End-to-end development of AI/ML solutions. * MLOps practices: CI/CD, model monitoring, retraining. * Use of open-source and enterprise tools (LangChain, Azure OpenAI, Databricks). * Generative AI features: embeddings, RAG, AI agents. * Clean, testable code with modern engineering practices. * Align with enterprise architecture and More ❯
Employment Type: Permanent
Salary: £80000 - £85000/annum
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Research Engineer (Data Infra/ML)

City of London, London, United Kingdom
Stealth
experiment tracking (DVC, MLflow). Bonus Points Experience in simulation, robotics, or autonomy pipelines. Background in deep learning (PyTorch) and 3D/sensor data (LIDAR, meshes, radiance fields). Open-source contributions or frontend/UI experience. More ❯
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Senior AWS Cloud Native Architect – SC Cleared

City of London, London, United Kingdom
Hybrid / WFH Options
LHH
clients and colleagues. Support business development by shaping proposals and solution options. What you’ll bring: Proven expertise in AWS for delivering complex cloud-native applications. Strong background in open-source technologies, APIs, and secure, scalable systems . Experience with microservices, domain-driven design, event sourcing, and containerisation . Background in software development (highly desirable). Familiarity with More ❯
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Senior AWS Cloud Native Architect – SC Cleared

london (city of london), south east england, united kingdom
Hybrid / WFH Options
LHH
clients and colleagues. Support business development by shaping proposals and solution options. What you’ll bring: Proven expertise in AWS for delivering complex cloud-native applications. Strong background in open-source technologies, APIs, and secure, scalable systems . Experience with microservices, domain-driven design, event sourcing, and containerisation . Background in software development (highly desirable). Familiarity with More ❯
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Lead Software Engineer

City of London, London, United Kingdom
Burns Sheehan
and creation of solutions from 0-1, solving ambiguous and complex challenges. Experience working on software infrastructure or building Cloud native software using Kubernetes. Understanding of systems design and Open Source components. If you have knowledge of building virtual machines - Virtual servers, virtual networking or network programming - that's a plus... but definitely not needed! If this sounds More ❯
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Artificial Intelligence Engineer

City of London, Greater London, UK
Hybrid / WFH Options
develop
edge AI features to life Continuously research and prototype new techniques in AI orchestration and agentic reasoning What Were Looking For Proven experience with LangGraph (bonus: contributions to the open-source project) Strong background in Python, LangChain, OpenAI APIs, and LLM architectures Familiarity with vector databases, retrieval-augmented generation (RAG), and prompt engineering Understanding of software design principles More ❯
Employment Type: Part-time
Posted:

Artificial Intelligence Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
develop
AI features to life Continuously research and prototype new techniques in AI orchestration and agentic reasoning What We’re Looking For Proven experience with LangGraph (bonus: contributions to the open-source project) Strong background in Python, LangChain, OpenAI APIs, and LLM architectures Familiarity with vector databases, retrieval-augmented generation (RAG), and prompt engineering Understanding of software design principles More ❯
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Senior Data Engineer

City of London, London, 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 ❯
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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 ❯
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Generative AI Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Aspect
AWS SageMaker, or Azure AI. Knowledge of AI security, model explainability, and Responsible AI principles. Experience building or integrating voice-enabled chatbots and multi-modal systems. Experience working with open-source AI tools and hardware like GROQ is a plus. Hands-on experience deploying AI services in WordPress or similar CMS environments. Excellent communication skills and ability to More ❯
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Generative AI Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Aspect
AWS SageMaker, or Azure AI. Knowledge of AI security, model explainability, and Responsible AI principles. Experience building or integrating voice-enabled chatbots and multi-modal systems. Experience working with open-source AI tools and hardware like GROQ is a plus. Hands-on experience deploying AI services in WordPress or similar CMS environments. Excellent communication skills and ability to More ❯
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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 ❯
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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 ❯
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Senior Software Engineer

City of London, London, United Kingdom
La Fosse
part of a collaborative culture that values curiosity, ownership, and delivery. Join a modern, agile technology organisation where innovation is encouraged and rewarded. Help shape the next generation of open-source intelligence technology. How to Apply If you’re a passionate engineer who enjoys solving complex problems and wants to work on meaningful, large-scale technology, then please More ❯
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Senior Software Engineer

london (city of london), south east england, united kingdom
La Fosse
part of a collaborative culture that values curiosity, ownership, and delivery. Join a modern, agile technology organisation where innovation is encouraged and rewarded. Help shape the next generation of open-source intelligence technology. How to Apply If you’re a passionate engineer who enjoys solving complex problems and wants to work on meaningful, large-scale technology, then please More ❯
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Graduate / Junior Software Engineer Mission-Led Start-Up 35k50k + Benefits

City of London, Greater London, UK
Hybrid / WFH Options
Kioni Talent
and developing your technical skills as the company scales What Youll Bring A STEM degree (or equivalent qualification) Evidence of your passion for technology whether through personal projects, internships, open-source contributions, or hackathons Familiarity with at least one programming language (JavaScript, TypeScript, Python, etc.) Willingness to learn React, TypeScript, Next.js, Tailwind CSS, and AWS A collaborative mindset More ❯
Employment Type: Part-time
Posted:

Graduate / Junior Software Engineer – Mission-Led Start-Up – £35k–£50k + Benefits

City of London, London, United Kingdom
Hybrid / WFH Options
Kioni Talent
developing your technical skills as the company scales What You’ll Bring A STEM degree (or equivalent qualification) Evidence of your passion for technology — whether through personal projects, internships, open-source contributions, or hackathons Familiarity with at least one programming language (JavaScript, TypeScript, Python, etc.) Willingness to learn React, TypeScript, Next.js, Tailwind CSS, and AWS A collaborative mindset More ❯
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Graduate / Junior Software Engineer – Mission-Led Start-Up – £35k–£50k + Benefits

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Kioni Talent
developing your technical skills as the company scales What You’ll Bring A STEM degree (or equivalent qualification) Evidence of your passion for technology — whether through personal projects, internships, open-source contributions, or hackathons Familiarity with at least one programming language (JavaScript, TypeScript, Python, etc.) Willingness to learn React, TypeScript, Next.js, Tailwind CSS, and AWS A collaborative mindset More ❯
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CoPilot Architect

City of London, London, United Kingdom
HCLTech
Certifications: Azure Solutions Architect Expert, CISSP, or equivalent. • Experience with AI policy bodies, standards organizations, or government advisory panels. • Familiarity with cross-border data flows, emerging AI regulations, and open-source AI projects. Behavioral Competencies • Strategic Visionary: Anticipates AI trends, shapes long-term roadmaps, and aligns technology with business goals. • Executive Collaborator: Builds trust at board level and More ❯
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CoPilot Architect

london (city of london), south east england, united kingdom
HCLTech
Certifications: Azure Solutions Architect Expert, CISSP, or equivalent. • Experience with AI policy bodies, standards organizations, or government advisory panels. • Familiarity with cross-border data flows, emerging AI regulations, and open-source AI projects. Behavioral Competencies • Strategic Visionary: Anticipates AI trends, shapes long-term roadmaps, and aligns technology with business goals. • Executive Collaborator: Builds trust at board level and More ❯
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Senior Frontend Engineer (Product) - AI SaaS - London (Hybrid)

City of London, London, United Kingdom
Hybrid / WFH Options
Stax - Deeptech Talent
CSS methodologies (Tailwind, CSS Modules, CSS-in-JS), and modern testing frameworks. Passion for developer experience, tooling, and mentoring. Degree in Computer Science or equivalent experience. Bonus points for: Open source contributions to front-end tooling, design systems, or data-visualisation libraries. Experience with WebSockets, PWAs, offline support, or design-token pipelines. How They Work Speed with craftsmanship More ❯
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Senior Frontend Engineer (Product) - AI SaaS - London (Hybrid)

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Stax - Deeptech Talent
CSS methodologies (Tailwind, CSS Modules, CSS-in-JS), and modern testing frameworks. Passion for developer experience, tooling, and mentoring. Degree in Computer Science or equivalent experience. Bonus points for: Open source contributions to front-end tooling, design systems, or data-visualisation libraries. Experience with WebSockets, PWAs, offline support, or design-token pipelines. How They Work Speed with craftsmanship More ❯
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Senior Scala Developer

City, London, United Kingdom
Hybrid / WFH Options
Sky
department is leading the way in many areas of data. The department has designed and built a world-leading real time data analytics platform, using the latest cloud and open-source technologies. We stream billions of events each day to enable our partner teams across Sky and Comcast deliver customer-led sophisticated insights and analytics. What you'll More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Scala Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Sky
department is leading the way in many areas of data. The department has designed and built a world-leading real time data analytics platform, using the latest cloud and open-source technologies. We stream billions of events each day to enable our partner teams across Sky and Comcast deliver customer-led sophisticated insights and analytics. What you'll More ❯
Posted:
Open Source
the City of London
10th Percentile
£73,250
25th Percentile
£81,875
Median
£85,000
75th Percentile
£108,750
90th Percentile
£122,500