1 to 25 of 28 Remote/Hybrid Asynchronous Programming Jobs in the UK

Apps Dev Senior Engineer

Location
Greater London, England, United Kingdom
ownership of delivery—from requirement analysis and technical design to deployment, production monitoring, and support.**Required Skills & Qualifications****Technical Competencies*** **Core Programming:** Advanced proficiency in at least one primary backend language: + **Java** (Modern Java, Spring Boot, concurrency, low-latency tuning, GC optimization), OR + **Python** (Modern Python, asynchronous programming, NumPy/Pandas, FastAPI), OR + **.NET/C#** (Modern .NET Core, multi-threading, asynchronous I/O, memory profiling).* **Distributed Systems & Messaging:** Strong experience with enterprise messaging and streaming frameworks (e.g., Apache Kafka, RabbitMQ, Solace, ZeroMQ, or gRPC).* **Data Storage & Analytics:** Proficiency ...

Full Stack Developer

Location
City of Westminster, England, United Kingdom
teams to deliver high-quality software solutions. Mentor junior engineers and contribute to technical knowledge sharing. Technical Requirements Node.js : Deep hands-on experience with asynchronous programming and frameworks (Fastify, Express, Koa, or Hapi). Frontend : Strong proficiency in Next.js and Angular . Microservices : Proven experience designing and deploying ...

Engineering & Science - Senior Software Engineering

Location
Crawley, England, United Kingdom
/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 preferred), cybersecurity best practices, and observability tools desired. What You’ll Get Work pattern ...

Senior Software Engineer

Hiring Organisation
Elekta
Location
Oxford, Oxfordshire, United Kingdom
Salary
£ 70 K
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 preferred), cybersecurity best practices, and observability tools desired.What You’ll Get:In this role ...

Threat Modeling – Cyber Security

Location
Greater London, England, United Kingdom
CICD, Pipelines, SDLC) Scripting languages, Infrastructure as Code (Terraform, CloudFormation) Understanding of docker/K8S/serverless/helm – must. Strong proficiency in Programming Languages, with a preference for Python (asynchronous programming), and FastAPI Unit Testing: Developing and executing unit tests using frameworks like Pytest to ensure ...

Software Engineer

Location
Greater London, England, United Kingdom
data using Entity Framework Core and Azure SQL, and contribute to decisions about where services such as Cosmos DB are appropriate. Build and support asynchronous workflows using Azure Service Bus and MassTransit. Contribute to Azure DevOps pipelines and Bicep infrastructure, helping the team release changes consistently across environments. Investigate … practices with the team. What we are looking for Experience developing and maintaining applications using C# and modern .NET. An understanding of API development, asynchronous programming and writing code that other engineers can understand and maintain. Experience working with relational databases, SQL and data-access tools such ...

Software Engineer

Location
Huntingdon, England, United Kingdom
data using Entity Framework Core and Azure SQL, and contribute to decisions about where services such as Cosmos DB are appropriate.* Build and support asynchronous workflows using Azure Service Bus and MassTransit.* Contribute to Azure DevOps pipelines and Bicep infrastructure, helping the team release changes consistently across environments.* Investigate … practices with the team.**What we are looking for*** Experience developing and maintaining applications using C# and modern .NET.* An understanding of API development, asynchronous programming and writing code that other engineers can understand and maintain.* Experience working with relational databases, SQL and data-access tools such ...

Lead Web3 Engineer - Digital Assets Platform

Location
Greater London, England, United Kingdom
following established security and quality standards Build and maintain APIs and microservices that expose blockchain functionality to upstream platform consumers and business applications Implement asynchronous and event‐driven processing to manage transaction lifecycle, on‐chain state changes, and blockchain data synchronization Participate actively in code reviews , contributing constructive feedback … with Backend web development with Java spring Solid experience in web3 application development is a plus Solid experience and expertise developing web applications using asynchronous programming and communication Experience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performance Familiarity with web3 ...

Lead Web3 Engineer - Digital Assets Platform

Location
Greater London, England, United Kingdom
following established security and quality standards* **Build and maintain APIs and microservices** that expose blockchain functionality to upstream platform consumers and business applications* **Implement asynchronous and event-driven processing** to manage transaction lifecycle, on-chain state changes, and blockchain data synchronization* **Participate actively in code reviews**, contributing constructive feedback … with Backend web development with Java spring* Solid experience in web3 application development is a plus* Solid experience and expertise developing web applications using asynchronous programming and communication* Experience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performance* Familiarity with web3 ...

Lead Web3 Engineer - Digital Assets Platform

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
equivalent languages, following established security and quality standardsBuild and maintain APIs and microservices that expose blockchain functionality to upstream platform consumers and business applicationsImplement asynchronous and event-driven processing to manage transaction lifecycle, on-chain state changes, and blockchain data synchronizationParticipate actively in code reviews, contributing constructive feedback … expertise with Backend web development with Java springSolid experience in web3 application development is a plusSolid experience and expertise developing web applications using asynchronous programming and communicationExperience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performanceFamiliarity with web3 libraries like Web3J ...

Android Developer

Location
City of Edinburgh, Scotland, United Kingdom
Java codebases Experience with Jetpack Compose and/or traditional Android Views Experience with Android Jetpack libraries and modern Android architecture components Experience with asynchronous programming and Kotlin Coroutines Knowledge of Android application architecture and design patterns Experience with CI/CD pipelines and automated build and deployment ...

Android Developer

Location
Greater London, England, United Kingdom
Java codebases. Experience with Jetpack Compose and/or traditional Android Views. Experience with Android Jetpack libraries and modern Android architecture components. Experience with asynchronous programming and Kotlin Coroutines. Knowledge of Android application architecture and design patterns. Experience with CI/CD pipelines and automated build and deployment ...

Full Stack Engineer - EMEA

Hiring Organisation
Deel
Location
United Kingdom
Salary
£ 70 K
points if you:Have experience with SaaS products running 24/7 on a major cloud vendor.Solid understanding of RESTful APIs, microservices architecture, and asynchronous programming.Experience with testing frameworks (Jest, Mocha, Chai, Storybook, React Testing Library) and automated testing methodologies (Cypress).Knowledge of containerization technologies (Docker, Kubernetes)Total RewardsOur ...

Senior Blockchain Engineer - Digital Assets Platform

Location
Greater London, England, United Kingdom
with Backend web development with Java spring Proven experience in web3 application development is a plus Solid experience and expertise developing web applications using asynchronous programming and communication Experience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performance Familiarity with web3 ...

Senior Blockchain Engineer - Digital Assets Platform

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
expertise with Backend web development with Java springProven experience in web3 application development is a plusSolid experience and expertise developing web applications using asynchronous programming and communicationExperience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performanceFamiliarity with web3 libraries like Web3J ...

c# developer in financial trading

Location
Greater London, England, United Kingdom
distributed systems, microservices, and high-frequency data handling Contribute to strategic platform decisions with key stakeholders and senior engineers Требования: Strong C#/.NET programming skills Solid computer science fundamentals, including data structures, algorithms, and concurrency At least 1 year of professional development experience Comfortable working in a fast … paced, agile, test-driven environment Будет плюсом: experience with complex systems in financial or mission-critical contexts, familiarity with multithreading, asynchronous programming, and performance tuning Условия: Bonus and comprehensive benefits Hybrid work with remote work part of the week Access to an unlimited technology budget and tools, hardware ...

AI engineer

Location
Greater London, England, United Kingdom
grow fast. What You’ll Bring Deep technical expertise in the modern AI stack (LangChain/LlamaIndex, DSPy, or similar) Mastery of Python and asynchronous programming , with a focus on building high-performance AI backends. Experience working with LLMs , vector databases , and retrieval-augmented generation (RAG). Strong ...

Senior Software Engineer

Hiring Organisation
Autodesk
Location
Sheffield, South Yorkshire, United Kingdom
Salary
£ 70 K
JavaScript/TypeScript and Node.jsExperience developing Electron applications, Chromium-based applications, native desktop software, or comparable systems-level application platformsStrong understanding of application architecture, asynchronous programming, process boundaries, security, and software lifecycle managementExperience independently delivering complex software features from design through productionStrong debugging and troubleshooting skills across multiple … configuration, feature flags, release cycles, or build systemsExperience with C++, native Node.js modules, or bindings between JavaScript and native platform APIsExperience with Windows systems programming or Windows desktop APIsExperience diagnosing memory, process, performance, or crash problems in Chromium-based applicationsFamiliarity with Chromium or Electron build tooling such ...

Senior Software Engineer

Location
Sheffield, England, United Kingdom
TypeScript and Node.js* Experience developing Electron applications, Chromium-based applications, native desktop software, or comparable systems-level application platforms* Strong understanding of application architecture, asynchronous programming, process boundaries, security, and software lifecycle management* Experience independently delivering complex software features from design through production* Strong debugging and troubleshooting skills … flags, release cycles, or build systems* Experience with C++, native Node.js modules, or bindings between JavaScript and native platform APIs* Experience with Windows systems programming or Windows desktop APIs* Experience diagnosing memory, process, performance, or crash problems in Chromium-based applications* Familiarity with Chromium or Electron build tooling such ...

Mid Android Engineer

Location
Greater London, England, United Kingdom
reactive patterns, MockK and JUnit testing, GitHub version control.### Required Qualifications* Minimum 2 years professional Android development with Kotlin* Strong Coroutines expertise and asynchronous programming patterns* Experience with caching strategies and performance optimization* Solid understanding of agile methodologies (Scrum, Kanban)* UI test automation capability* Familiarity with Material Design ...

Senior Software Engineer, Machine Learning Services

Location
Greater London, England, United Kingdom
that powers UiPath's large‐scale AI and Document Understanding products. Our world is one of distributed systems, high‐throughput model serving, and complex asynchronous training workflows. We're looking for a systems‐level engineer who wants to work on the gnarly, foundational problems of a production ML platform. … content‐addressable storage abstraction layer over cloud object stores (GCS, S3, Azure Blob), complete with its own garbage collection and sharding logic. Enhance our asynchronous job‐queueing system, built from the ground up on the storage layer using compare‐and‐swap primitives for atomicity. No off‐the‐shelf message ...

Python AI Engineer

Location
Coventry, England, United Kingdom
workflows using structured outputs, tool calling and schema validation. Implement vector, lexical and hybrid retrieval, reranking, metadata filtering and evidence selection. Build robust asynchronous services with appropriate retries, timeouts and failure handling. Develop automated unit, integration, contract and regression tests. Implement logging, tracing, monitoring and performance optimisation. Improve … quality, latency, cost, token usage and reliability through evaluation and production feedback. Essential Experience Strong commercial Python development experience, including async programming, typing, testing and performance optimisation. Proven delivery of Generative AI and RAG solutions into production. Hands‐on experience with Pydantic, LangGraph, Semantic Kernel/Microsoft Agent Framework ...

Software Engineer, System Orchestration

Location
Oxford, England, United Kingdom
ship. Take part in code review, and improve the APIs our internal users depend on Requirements To be successful, you will need solid programming skills, an interest in the systems that keep long‐running machines working, and either experience of a systems programming language or the appetite … migration goes wrong, and can contribute effectively within a fast moving, highly technical team. You'd be a great fit with: Strong programming skills in one or more mainstream programming languages. Experience with a systems programming language. Our System Orchestration layer is written in Rust, so either ...

Senior Software Engineer, System Orchestration

Location
Oxford, England, United Kingdom
About IonQ IonQ, Inc. [NYSE: IONQ] is the world’s leading quantum platform and merchant supplier - delivering integrated quantum solutions across computing, networking, sensing, and security. IonQ’s newest generation of quantum computers, the IonQ ...

Senior Software Engineer, System Orchestration

Location
Oxford, England, United Kingdom
About IonQ: IonQ, Inc (https://cts.businesswire.com/ct/CT id=smartlink&url=https%3A%2F%2Fionq.com%2F&esheet=54451094&newsitemid=20260316477473&lan=en-US&anchor=IonQ%2C+Inc&index=7&md5=0818ffbedc6dbad8c4d1611ac94c2a0f). ...