276 to 300 of 844 Open Source Jobs in England

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

Location
Greater London, England, United Kingdom
Please note division and function examples are representative of opportunities common for this skill-set. The list is not exhaustive, and availability of open roles is determined based on business need. Specific roles will be confirmed through the interview process. RESPONSIBILITIES Software engineers primarily focus on software design … most programming positions in Engineering, and include positions that were previously considered business software engineers, platform engineers, and quality assurance engineers. Combine the best open source software, databases, cloud solutions, and programming languages, to solve problems and provide accurate, complex, scalable applications that help our business and clients ...

Senior Cloud Operations Engineer

Location
Tipton, England, United Kingdom
containers and container orchestration systems like Docker and Kubernetes, infrastructural cloud providers like AWS, Google Cloud, operational automated roll-out processes like Ansible, Terraform, open source operating systems like Debian, Oracle Linux, and with the following concepts/skills: DevOps, CI/CD (Argo), GitOps, MySQL, MongoDB, RabbitMQ … Systems Engineer can be customer facing (mainly internal & to a lesser degree external), and he/she must be able to keep communication lines open and clear. External customers are airlines and their internal teams as well as external entities include data suppliers such as Flight Planning Providers, Weather ...

Senior Director, Software Solutions, Data and Analytics

Location
Greater London, England, United Kingdom
integral part of a focused team where you can make a real impact. You’ll be surrounded by an open, collaborative culture that embraces diversity, recognition, professional development and, most importantly, you.Are you ready to make your impact?**About The Role**The Software Solutions team is a high-velocity … engagements spanning corporate strategy, litigation, investigations, disputes, compliance, regulatory support, financial crime, fraud, and performance improvement. The team employs a range of modern open source and cloud technologies to design, build, and deliver solutions.This specialized team creates scalable and feature-rich web applications using a continuously evolving toolkit. ...

Lead AI Engineer - Perm - Manchester

Hiring Organisation
Lorien Resourcing Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
workflows that make it work in real codebases, and measure the results honestly. You'll use the best available models, coding agents and open-source tools. This isn't a model-building or research role. What they're looking for: Strong professional software engineering experience, including building … authority, including winning over sceptics Helpful: Bitbucket, Jenkins/Harness, Docker, Kubernetes, AWS, FastAPI, MCP, DORA-style measurement, RAG and vector search, self-hosted open-weight models, or a regulated environment such as gambling or financial services Guidant, Carbon60, Lorien & SRG - The Vertage Group Portfolio are acting ...

Senior Solutions Architect (Banking, Financial Services)

Location
Greater London, England, United Kingdom
Databricks certifications Prior experience at Databricks, Snowflake, AWS, Google, Microsoft, or a top-tier data/AI company Published thought leadership (blogs, conference talks, open source contributions) Industry vertical expertise with executive-level domain credibility About Databricks Databricks is the Data and AI company. More than … ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other protected characteristics. Compliance If access to export-controlled technology or source code is required for performance of job duties, it is within Employer's discretion whether to apply for a U.S. government license for such ...

Senior Systems Engineer

Location
Greater London, England, United Kingdom
well as any associated countermeasures. Participate in internal meetings to map industry cyber threats to our current attack surface. Review of both internal and open-source threat intelligence sources for recently disclosed vulnerabilities at risk of introduction into the Wellington environment. Work with our Third-Party Risk team … views and interests are aligned with those of our clients. We are committed to attracting a talented and diverse workforce, and to fostering an open, collaborative culture of inclusivity because we believe multiple perspectives lead to more informed investment and business decisions. As an Equal Opportunity Employer, we welcome ...

Fullstack Developer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent
effectively than being strictly tied to one programming language. Bonus Points Experience migrating legacy applications (e.g., Ruby/Python to Rust). Contributions to open-source projects in Rust, Ruby, or Python. Familiarity with WebAssembly (Wasm). If you are interested then kindly submit your resume at Prasanna ...

Golang Engineer

Hiring Organisation
Talent-Relay Limited
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£67,832
Kubernetes . Knowledge of Java or another backend programming language. Experience with gRPC or GraphQL . Experience working with cloud technologies. Contributions to open-source projects. Why Apply? This is a strong opportunity for a Golang Engineer/Go Developer to join a high-profile financial services technology ...

AI engineer with Agentic experience

Location
Greater London, England, United Kingdom
SDLC.Generative AI & ML Requirements Experience building agents Vector databases and RAG patterns (indexing, chunking, embeddings, retrieval). LLM integration (OpenAI, Azure OpenAI, Anthropic, or open source models) with prompt design, safety/guardrails, and cost/perf tuning. Nice to have Highly desirable: experience with AgentCore, AWS Neptune ...

Software Engineer - AI-Native Cloud Infrastructure Cambridge, United Kingdom

Location
Cambridge, England, United Kingdom
Experience in building backend services, developer tools, or infrastructure products Hands‐on experience with Kubernetes, infrastructure‐as‐code, or working across multiple cloud providers Open‐source contributions, ambitious personal projects, or other proof of ability outside formal employment (you are welcome to provide links) High‐impact work ...

Machine Learning Engineer

Location
Greater London, England, United Kingdom
productionising recent AI models (e.g. via Huggingface (transformers), OpenAI APIs); Building agentic systems (e.g. via LangChain, AutoGen, PydanticAI). Evidence of participating in Open-Source Software (OSS) development, public hackathons, or other sharable coding samples. Deep expertise in embedding-based architectures, including bi-encoders, cross-encoders, etc. ...

Senior Platform Engineer - London

Location
Greater London, England, United Kingdom
reusable GitHub Actions, GitOps workflows, Terraform modules, Backstage and more) to make every engineer more productive. Running and maintaining reusable components that package common open-source tools (e.g. Grafana, Istio, CloudNativePG) for teams to deploy in any environment. Baking security into the platform through secure-by-default infrastructure ...

Lead Software Engineer

Hiring Organisation
BroadbandUK
Location
East London, London, United Kingdom
Employment Type
Permanent
environments and like solving real problems and learning fast. Proven impact: youve built and scaled products, led projects that made a difference, contributed to open-source, or delivered results that truly moved the needle. Practical AI experience: some experience building with LLMs, retrieval, agents or related technologies ...

GenAI Full-Stack Engineer

Location
Greater London, England, United Kingdom
degree in Computer Science, Engineering, or a related field, or equivalent practical experience. Desirable Experience with financial services or other regulated industries. Contributions to open-source projects. Experience with MLOps and the deployment of machine learning models. What we’ll provide you This is a unique role that ...

Chief Technology Officer (CTO)

Location
Havant, England, United Kingdom
defining agency technology offerings or service lines. Exposure to multiple industry verticals. Experience with AI applications, automation, or emerging technology R&D. Contributions to open‐source projects or thought leadership within the tech community. How to apply Please submit your CV and a covering letter outlining your relevant ...

Senior Infrastructure Engineer

Location
Greater London, England, United Kingdom
ready platform tooling using Python or Golang. Deep understanding of container and orchestration internals (e.g., Kubernetes, Docker). Hands-on experience extending and integrating open-source tools like Prometheus, OpenTelemetry, and Grafana. Proven ability to package and scale developer-facing infrastructure utilities with a focus on improving system ...

Data Scientist

Location
West of England, England, United Kingdom
completion. Experiment with model, prompt, retrieval, and agent configuration strategies to identify approaches that deliver the best customer and business outcomes. Evaluate commercial and open-source models and recommend appropriate approaches based on quality, latency, scalability, and cost. Generative AI & RAG Design, develop, and optimize Retrieval-Augmented Generation ...

Senior Engineer (Full-Stack)

Location
City Of London, England, United Kingdom
ability and innovative problem solving skills.Software Design Patterns.Source control (Git).Desired:OOP \\ SOLID Principles.Demonstrable experience of C# (.Net 8+) in a professional environment.Contribution to open-source projects.Experience of regulatory driven projects.Knowledge of Financial Markets, Systems and Over the Counter (OTC) products.The Fusion Platform Team Builds, Owns and Runs ...

Senior Python Engineer: AI Agents & Forecasting

Location
Greater London, England, United Kingdom
experience including random forests, regression models, scikit-learn, and PyTorch AWS infrastructure experience deploying containerised applications and managing cloud environments (EC2, Lambda, RDS) Open-source contributions to AI or crypto projects Compensation Salary: £80,000 to £120,000 depending on experience Equity: Competitive for the right candidate Hours ...

AI Delivery Tech Lead, Song Service

Location
Greater London, England, United Kingdom
agile, collaborative, fast-moving consulting environments Experience in Telco or Financial Services Set yourself apart Certifications in AWS, GCP, Azure or Anthropic AI platforms Open-source contributions to agentic or LLM tooling Contact centre platform experience (e.g. Genesys, Sierra, Decagon, Parloa, PolyAI, NICE Cognigy, Agentforce Contact Centre ...

Full Stack AI Engineer

Location
Greater London, England, United Kingdom
with approximately 0-3 years of professional software engineering experience. Strong foundation in software engineering, demonstrated through professional work, internships, university projects, personal projects, open-source contributions, hackathons, or equivalent technical experience. Evidence of interest in and hands‐on exploration of generative AI, large language models, or agentic ...

Software Developer - Artificial Intelligence

Location
Greater London, England, United Kingdom
data platforms (e.g. Snowflake, ClickHouse, Databricks, BigQuery) or working with data engineering teams. A background or coursework in machine learning, NLP, or data science. Open‐source contributions, side projects, or writing that show you build for the love of it. An interest in economics, forecasting, financial services ...

Global Banking & Markets - Systems Engineer - Vice President - London London · United Kingdom · Vice President

Location
Greater London, England, United Kingdom
ability to provide liquidity and execution services for institutional clients around the world, which are important revenue drivers for the firm. We use open-source industry-standard, and internal proprietary technologies to build cutting-edge platforms for pricing, execution, and control across millions of transactions. The Futures Mission ...

AI Delivery Tech Lead, Song Service

Location
Greater London, England, United Kingdom
professional services Comfortable leading within agile, collaborative, fast‐moving consulting environments Set yourself apart Certifications in AWS, GCP, Azure or Anthropic AI platforms Open‐source contributions to agentic or LLM tooling Contact centre platform experience (e.g. Genesys, Sierra, Decagon, Parloa, PolyAI, NICE Cognigy, Agentforce Contact Centre and Amazon ...

Lead Data Developer - Data Insights & Solutions - Fixed Term Contract 24 months

Location
West of England, England, United Kingdom
technologies, programming languages and visualisation tools to deliver project outcomes. Desirable Experience designing, building and maintaining ETL pipelines and automated data solutions. Knowledge of open-source data and analytics tools and technologies. Experience working with Azure SQL Databases. Experience in AWS environments. Knowledge of the higher education sector ...