976 to 1,000 of 2,269 Open Source Jobs in the UK

development process, helping to refine and enhance our products. Core Responsibilities Building a performant search and indexing ecosystem for complex granularly permissioned dataContributing to open-source data processing libraries, integrating the latest innovations to achieve performance gainsBuilding the distributed systems that power large scale compute workloads, orchestrating … operations of complex distributed systems like Cassandra, Elasticsearch, Kafka, and more across different environmentsTechnologies We UseDifferent backend languages, including Java, Rust, and GoOpen-source technologies like Cassandra, ElasticSearch, Spark, Kafka, Kubernetes, FlinkIndustry-standard build tooling, including Gradle and GitHubWhat We ValueDemonstrated ability to collaborate and empathize with a variety ...

operators can interrogate complex information at speed and make better decisions under pressure. AVISTM powers our digital decision products, such as ORION for multi-source decision-to-effect, and it powers our physical platforms. We work where wrong decisions can be catastrophic. We partner with defence, security and private … agentic systems Familiarity with secure‐by‐design development principles (ISO 27001, NIST, OWASP) Experience in defence, national security, or similarly regulated environments Contributions to open‐source AI/ML projects Why This Role? This is a role for engineers who want to build things that matter ...

operators can interrogate complex information at speed and make better decisions under pressure. AVISTM powers our digital decision products, such as ORION for multi-source decision-to-effect, and it powers our physical platforms. We work where wrong decisions can be catastrophic. We partner with defence, security and private … agentic systems Familiarity with secure‐by‐design development principles (ISO 27001, NIST, OWASP) Experience in defence, national security, or similarly regulated environments Contributions to open‐source AI/ML projects Why This Role? This is a role for engineers who want to build things that matter ...

event-driven architectures Strong understanding of software development best practices Desirable: Financial services or trading systems experience Messaging technologies (AMQP, Solace, Pub/Sub) Open-source contributions Regulatory project experience This is an excellent opportunity for an engineer looking to work on large-scale, business-critical systems while ...

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 ...

bridge the gap between traditional telecommunication protocols and modern cloud-based AI. Your core focus will be developing stable SIP services using Java, managing open-source media engines, and integrating advanced Speech AI technologies across multi-cloud environments. Key Responsibilities SIP Development: Develop, test, and maintain ...

bridge the gap between traditional telecommunication protocols and modern cloud-based AI. Your core focus will be developing stable SIP services using Java, managing open-source media engines, and integrating advanced Speech AI technologies across multi-cloud environments. Key Responsibilities · SIP Development: Develop, test, and maintain ...

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 ...

experience with Angular, JavaScript, HTML5, CSS3. Hands‐on experience with Docker, Kubernetes, and CI/CD pipelines (Azure DevOps or similar). Familiarity with open‐source tools, cloud platforms, and infrastructure automation. Understanding of software design patterns, asynchronous programming, and event‐driven systems. Experience in regulated industries (healthcare ...

Experience with indexing and ETL at scale (Spark/Databricks).- Knowledge of Infrastructure as Code (Terraform) and managing services in Kubernetes.- Contributions to open-source blockchain projects.Technologies we use:- Languages: Java, TypeScript- Data Processing: Spark, Databricks, PostgreSQL- Infrastructure: AWS (Serverless & EKS), Kubernetes, Terraform- CI/CD: GitHub ...

blameless postmortems for high-availability services Deep understanding of distributed system design principles, networking (TCP/IP, DNS, load balancing), Linux internals. Contributions to open-source observability or telemetry projects. Experience working with agent control planes and management protocols. Hands-on knowledge of OpAMP is highly desirable. #J ...

caching strategies and state management Familiarity with healthcare or regulated industries Experience with monitoring tools (New Relic, DataDog, Coralogix) Background job processing experience Open-source contributions Understanding of analytics and data-warehousing design patterns and best practices Strong working knowledge of Terraform Professional Qualities: Clear communication skills across ...

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. ...

testing modern AD/ADAS products that will impact millions of customers. Our ML and Data pipelines are built on-top of the open-source Flyte orchestration framework and are deployed to AWS. Pipeline code is written in Python. We use SQS and Kafka to automate data connections ...

design and develop from a security perspective Possesses an understanding of how to identify, select, and extend 3rd party components (Commercial or Open Source) that provide operational leverage but do not constrain product and engineering creativityEven Better If You Have... Experience designing, modifying, and operating multi-tenant systems ...

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 ...

strategy, vector search, context window engineering and tuning against real quality targets Integrate and abstract across multiple LLM providers OpenAI, Anthropic, Vertex AI, and open-source models with fallback routing, token, cost, and latency management ImplementLLMOpsin production: eval harnesses with real quality metrics, prompt versioning, observability tooling (LangSmith ...

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 ...

strategy, vector search, context window engineering and tuning against real quality targets Integrate and abstract across multiple LLM providers OpenAI, Anthropic, Vertex AI, and open-source models with fallback routing, token, cost, and latency management ImplementLLMOpsin production: eval harnesses with real quality metrics, prompt versioning, observability tooling (LangSmith ...

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 ...

multi-LLM integration standards: vendor-agnostic architecture by default, fallbackroutingand cost governance as standard design practice across providers including OpenAI, Anthropic, Vertex AI, and open-source models OwnLLMOpsatprogrammescale: eval strategy, prompt governance, observability tooling standards, safetymonitoringand cost controls across multiple concurrent systems Lead client engineering engagements at senior ...

silos. What you see in the editor is what ships in production. Companies like Spotify, Duolingo, LinkedIn, Google, and Fortune 500 automakers use our open-source runtimes to build once and ship everywhere — websites, apps, games, and vehicles. We’re looking for a Senior Software Engineer to join ...

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 ...

define AI-driven solutions Build and deploy end-to-end AI applications into production leveraging latest developments from the biggest AI labs, and open source modelsCollaborate with cross-functional teams, including data annotation specialists, to create high-quality training datasetsDesign and maintain robust evaluation frameworks to ensure ...

evaluation tools. Industry Domain: Previous experience in Enterprise Performance Management (EPM), financial planning, business analytics, or related enterprise SaaS environments. Community Contributions: Contributions to open‐source agent frameworks, MCP servers, or published research in distributed systems or Generative AI. Our Commitment to Diversity, Equity, Inclusionand Belonging (DEIB ...