76 to 100 of 339 Open Source Jobs in London

Staff Engineer (Identity Team)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
identities into a unified identity model. Familiarity with cloud computing platforms (e.g., AWS, GCP, Azure) and containerisation technologies (e.g., Docker, Kubernetes). Contributions to open-source projects or a personal portfolio demonstrating technical curiosity and skill. Experience with Domain-Driven Design (DDD) and standardizing communication patterns ...

Senior AI Architect| London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
multimodal generation; advanced prompt engineering; orchestration frameworks (LangChain, LangGraph, LlamaIndex, Semantic Kernel). Hands‐on exposure to both API‐based (Claude, GPT, Gemini) and opensource (Llama, Mistral) LLM‐based solution design. Agentic AI & Multi‐Agent Architecture – design of autonomous and multi‐agent systems, agentic design patterns (ReAct ...

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 ...

Artificial Intelligence Engineering Manager

Hiring Organisation
MBN Solutions
Location
London Area, United Kingdom
agentic and GenAI solutions Collaborate with architects, data scientists, DevOps, and business stakeholders to define end-to-end solutions Evaluate and select AI technologies (open-source and commercial) and define enterprise deployment patterns Lead design of API-based AI services and scalable backend systems (e.g. FastAPI) Ensure robust ...

Applied AI ML - Senior Associate - Machine Learning Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
data technologies Have constructed batch and streaming microservices exposed as REST/gRPC endpoints Experience with container orchestration tools (e.g. Kubernetes, Helm) Knowledge of open source datasets and benchmarks in NLP Hands‐on experience in implementing distributed/multi‐threaded/scalable applications Track record of developing, deploying ...

Applied AI ML - Senior Associate - Machine Learning Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
data technologies Have constructed batch and streaming microservices exposed as REST/gRPC endpoints Experience with container orchestration tools (e.g. Kubernetes, Helm) Knowledge of open source datasets and benchmarks in NLP Hands‐on experience in implementing distributed/multi‐threaded/scalable applications Track record of developing, deploying ...

Senior Software Engineer, Cloud and Analytics Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
continuous improvement to deliver resilient, highly scalable technology that keeps our Commodities and Global Markets business ahead of the curve. Leveraging best‐in‐class opensource frameworks and cloud‐native services, you’ll design, build and run the distributed‐compute and data‐science platform that powers Macquarie ...

Data Science Manager

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
/CD, Kubernetes, Infrastructure as Code, containerization, and distributed computing platforms. Contributions to the AI community through publications, patents, conference presentations, research, or open-source projects. Education Bachelor’s degree or equivalent experience in Computer Science, Data Science, Statistics, Mathematics, Engineering, Physics, Artificial Intelligence, Machine Learning ...

Data Science Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
/CD, Kubernetes, Infrastructure as Code, containerization, and distributed computing platforms**.* Contributions to the AI community through **publications, patents, conference presentations, research, or open-source projects**.## EDUCATIONBachelor's degree or equivalent experience in **Computer Science, Data Science, Statistics, Mathematics, Engineering, Physics, Artificial Intelligence, Machine Learning ...

Staff AI/ML Engineer Software engineering London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
rapid prototypes, and bringing them to production with a focus on measurable ROI. Familiarity with distributed systems and large-scale data processing. Contributions to open-source projects or a strong GitHub portfolio. Thought leadership, any articles or talks you’ve given? High levels of technical curiosity … connection. Curious about what it’s like to be part of our team? Visit our Careers Page to learn more about our culture, open roles, and what drives us. For a closer look at daily life at Checkout.com, follow us on LinkedIn and Instagram #J-18808-Ljbffr ...

Site Reliability Engineer (SRE) / Platform Engineer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Docker and multi-container application architecture experience. Experience working within scientific, pharmaceutical, genomics, or bioinformatics environments. Start-up or high-growth technology company experience. Open-source software contributions. Technical leadership, mentoring, or coaching experience. Contract Details: 6-Month Initial Contract Inside IR35 London-based Hybrid Working (2 days ...

Senior AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
metrics definition Nice to have (but not essential) Experience with agentic workflow systems and complex orchestration patterns Background in NLP or contributions to opensource AI/ML projects Experience with model fine‐tuning or custom training approaches Familiarity with MLOps platforms and experiment tracking tools Experience with ...

Full Stack & Cloud Engineering

Hiring Organisation
Cloud Elemental
Location
City of London, London, United Kingdom
years of commercial experience , although exceptional graduates are encouraged to apply. Experience may include: Graduate Software Engineer Placement year Internship Consultancy Personal projects Open-source contributions Career Development Associate Consultants receive structured mentoring and support to develop both their technical and consulting capabilities. Typical development opportunities include ...

Senior AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
including working with datasets, ETL pipelines, and metrics definition Experience with agentic workflow systems and complex orchestration patterns Background in NLP or contributions to open-source AI/ML projects Experience with model fine-tuning or custom training approaches Familiarity with MLOps platforms and experiment tracking tools Experience ...

Principal DevOps Architect III

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
/ML model development, including feature selection, XAI techniques, and consensus modelling Strong programming skills (e.g., Python, Java, or similar) and experience with open-source AI libraries Ability to integrate AI models into commercial software architectures and ensure compliance with GDPR and security standards Excellent analytical and problem ...

Senior AI Engineer| London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
tool calling, and orchestration frameworks like LangChain, LangGraph, LlamaIndex, and Semantic Kernel. Hands‐on exposure to API-based LLM providers (Claude, GPT, Gemini) and opensource solutions (Llama, Mistral). Agentic AI & Orchestration : Hands‐on experience designing autonomous and multi‐agent systems that reason, plan, and act using ...

Fintech Lab Engineer (Manager or Senior Consultant level) - Fintech Lab - Permanent - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
designing human-in-the-loop workflows, including review, escalation and feedback mechanisms for AI-supported decisions Evidence of hands-on experimentation through personal projects, open-source contributions, prototypes or a relevant technical portfolio Previous experience in a consulting environment managing client expectations and delivery timelines A track record ...

AI Native Software Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
agentic solutions (agents, orchestration, context engineering, RAG, workflows) in production or near‐production environments. Experience with modern AI platforms — OpenAI, Claude, Vertex AI, or opensource models — including building or using abstraction layers for multi‐provider pipelines. Strong Python, Java or equivalent experience building 12‐factor applications + … tooling experience. Experience as an Agentic/AI Engineer in an enterprise environment. Built multi‐agent orchestrations using (Lang‐graph, Crew AI, Claude SDK, Open AI SDK, etc.). GitHub repo with an agent/plugins you have created. Experience with enterprise‐grade architectures for compound AI systems, orchestration ...

AI Native Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
agentic solutions (agents, orchestration, context engineering, RAG, workflows) in production or near-production environments. Experience with modern AI platforms — OpenAI, Claude, Vertex AI, or open-source models — including building or using abstraction layers for multi-provider pipelines. Strong Python, Java or equivalent experience building 12 factor applications + … served as an Agentic/AI Engineer in an enterprise environment. You’ve built multi agent orchestrations using (Lang-graph, Crew AI, Claude SDK, Open AI SDK, etc). Have a GitHub repo with an agent/plugins you have created You have additional AI certifications or experience with ...

Director: Lead Data Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
processing and streaming technologies like Apache Kafka or Azure Event Hubs Knowledge of data visualization tools, such as Power BI or Tableau Contributions to open-source projects or active participation in the data engineering community #J-18808-Ljbffr ...

AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with multimodal AI, AI governance, or MLOps. Bonus Points Advanced degree in AI, Computer Science, Data Science, or related disciplines. Research, publications, patents, or open-source contributions in AI/ML. Knowledge of payments, fintech, or financial services. My Health We offer access to medical coverage that supports ...

Principal AI Data Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
fromprototype to production Apply engineering skills (emphasis on Databricks) andresearch skills across experimentation, rapid prototyping, and iterativedelivery. Someone who puts emphasis on reproducibility and open source, manageslarge-scale text and structured datasets on Databricks. Build AI capability, manage stakeholders andcommunicate effectively to ensure alignment between business needs ...

Engineering Site Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience as a site lead, office lead, or similar multi-team leadership role Background in building infrastructure for LLM training or inference Contributions to open-source infrastructure or AI infrastructure projects Experience scaling teams from 0 to 20+ engineers Active involvement in the London or European tech community ...

Data Scientist Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Claude, Gemini), machine learning libraries (e.g. scikit-learn,XGBoost). Experience with data storage for AI, vector databases, semanticsearchand knowledge graphs. Actively contributes to open-source AI projects, researchpublicationsand industry events/websites. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. Embracing our differences At Kainos ...