1 to 25 of 43 Asynchronous Programming Jobs in England

Lead Software Engineer

Hiring Organisation
Jobleads-UK
Location
Nottingham, England, United Kingdom
Design, develop, and maintain high-quality software applications using C#, .NET, and WPF. Implement scalable and maintainable software solutions using Object‐oriented design principles, asynchronous programming patterns, and modern software architecture practices with a strong focus on usability, performance, and long‐term extensibility. Leverage AI-assisted engineering tools … technical growth and delivery. Deep understanding of WPF, including XAML, data binding, dependency properties, control templating, styles, and MVVM patterns. Strong knowledge of asynchronous programming using async/await and task-based design patterns. Experience working with LINQ, generics, delegates, events, collections, and modern C# language features. Practical ...

Node Developer

Hiring Organisation
Solirius Consulting
Location
London, United Kingdom
Salary
£ 80 K
development cycles, contributing to sprint planning, code reviews, and continuous delivery.Key Skills/Experience:Proven experience in Node.js development Strong knowledge of JavaScript (ES6+), asynchronous programming, and event-driven architecture.Experience with building and maintaining RESTful APIs.Solid understanding of SQL and NoSQL databases (e.g., MongoDB, PostgreSQL, MySQL).Familiarity with ...

Senior React Developer - SC Cleared

Hiring Organisation
NSD
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
have experience with: React.js and TypeScript. Modern JavaScript (ES6+), HTML5 and CSS3. State management libraries such as Redux or Context API. REST APIs and asynchronous programming. Testing frameworks such as Jest and React Testing Library. Git and collaborative development workflows. Agile/Scrum delivery environments. CI/CD pipelines ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
architecture. Strong knowledge of data structures, algorithms, and object-oriented programming. Hands-on experience with databases such as PostgreSQL, MySQL, or MongoDB. Familiarity with asynchronous programming and performance optimization techniques. Experience with cloud platforms (AWS, GCP, or Azure) and containerization tools like Docker. Knowledge of CI/ ...

SC Cleared Node Developer - Remote - Inside IR35

Hiring Organisation
Solirius Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
quality assurance engineers as well as UCD and product. Technical Skills Proficiency in JavaScript (ES6+) and experience with TypeScript. Strong knowledge of Node.js and asynchronous programming. Strong experience with Express.js, or other Node.js frameworks. Experience with Gov.UK Front End and working with frameworks including Nunjucks. Understanding of RESTful APIs ...

Engineering & Science - Senior Software Engineering

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 ...

Software Engineer

Hiring Organisation
Elekta
Location
Oxford, Oxfordshire, United Kingdom
Salary
£ 70 K
Angular Back end: Microservices, REST APIs, SQL, Rabbit MQ Experience of CI/CD Docker, Kubernetes VMware Azure DevOps Domain Driven Design practices Asynchronous programming and event-driven systems using message queues What You’ll Get:In this role, you will work for a higher purpose; hope ...

Engineering Tech Lead Node.js Architect

Hiring Organisation
Purview Consultancy Services Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
production support, incident management, and root cause analysis for critical issues. Required Technical Skills Node.js Expertise Strong expertise in Node.js runtime internals and asynchronous programming. Deep understanding of: Event Loop libuv Worker Threads Cluster module Streams Buffers Memory management Garbage collection Advanced knowledge of JavaScript (ES6+) and TypeScript. Experience ...

Developer - Scala

Hiring Organisation
Jobleads-UK
Location
Newcastle upon Tyne, England, United Kingdom
maintain robust backend services using Scala 2.13 and Play Framework in a Pekko-based environment. Build clean, testable, and maintainable code using functional programming principles, immutability, pattern matching, and asynchronous programming with Futures. Work with MySQL to design efficient data access patterns, optimize queries, tune indexes … profiling, and transaction behaviour. Experience using Redis or similar technologies for caching, session handling, or performance-sensitive workloads. Deep understanding of OOP principles, functional programming, concurrency, the Scala type system, and advanced architectural patterns (e.g., Tagless Final, type classes, effect systems). Ability to design and evolve complex distributed ...

Software Engineer

Hiring Organisation
SportRadar
Location
London, United Kingdom
Salary
£ 80 K
development tools such as GitHub Copilot and Cursor to deliver high-quality software efficiently. RequiredProven experience developing real-world applications using C#.Strong knowledge of asynchronous programming, LINQ and modern .NET development practices.Practical experience with front-end technologies, ideally React.A proactive approach to incorporating AI into your development workflow.Solid … understanding of object-oriented programming, design patterns and RESTful APIs.A genuine interest in software product development trends and best practices.A positive, can-do attitude with pride in your work and the ability to maintain momentum. DesirableExperience integrating LLMs and AI APIs.Exposure to cloud platforms such as AWS, Azure ...

Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
interested in using modern AI-assisted development tools such as GitHub Copilot and Cursor to deliver high-quality software efficiently. Required Strong knowledge of asynchronous programming, LINQ and modern .NET development practices. Practical experience with front-end technologies, ideally React. A proactive approach to incorporating AI into your … development workflow. Solid understanding of object-oriented programming, design patterns and RESTful APIs. A genuine interest in software product development trends and best practices. A positive, can-do attitude with pride in your work and the ability to maintain momentum. Experience integrating LLMs and AI APIs. Exposure to cloud ...

Blockchain Software Developer - Digital Assets Platform

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
ensuring security, correctness, and gas efficiencyIntegrate Web3 libraries and SDKs (e.g., Web3J, Web3JS, Ethers.js, Viem) into enterprise Java and/or Node.js backend servicesImplement asynchronous, event-driven architectures to handle on-chain events, transaction lifecycle management, and blockchain state synchronizationCollaborate with architects and senior engineers to contribute … equivalent) and tokenization patternsFamiliarity with blockchain networks (Hyperledger Besu, Solana, Canton) is a strong plusExperience with asynchronous programming, event-driven systems, and message queuing (Kafka, RabbitMQ, or equivalent)Familiarity with DevOps practices, containerization (Docker, Kubernetes), and CI/CD pipelinesUnderstanding of cryptographic concepts — digital signatures, hashing ...

Blockchain Software Developer - Digital Assets Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
correctness, and gas efficiency Integrate Web3 libraries and SDKs (e.g., Web3J, Web3JS, Ethers.js, Viem) into enterprise Java and/or Node.js backend services Implement asynchronous, event-driven architectures to handle on-chain events, transaction lifecycle management, and blockchain state synchronization Collaborate with architects and senior engineers to contribute … equivalent) and tokenization patterns Familiarity with blockchain networks (Hyperledger Besu, Solana, Canton) is a strong plus Experience with asynchronous programming, event-driven systems, and message queuing (Kafka, RabbitMQ, or equivalent) Familiarity with DevOps practices, containerization (Docker, Kubernetes), and CI/CD pipelines Understanding of cryptographic concepts — digital signatures ...

Blockchain Software Developer - Digital Assets Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
correctness, and gas efficiency* **Integrate Web3 libraries and SDKs** (e.g., Web3J, Web3JS, Ethers.js, Viem) into enterprise Java and/or Node.js backend services* **Implement asynchronous, event-driven architectures** to handle on-chain events, transaction lifecycle management, and blockchain state synchronization* **Collaborate with architects and senior engineers** to contribute … equivalent) and tokenization patterns* Familiarity with **blockchain networks** (Hyperledger Besu, Solana, Canton) is a strong plus* Experience with **asynchronous programming**, event-driven systems, and message queuing (Kafka, RabbitMQ, or equivalent)* Familiarity with **DevOps practices**, containerization (Docker, Kubernetes), and CI/CD pipelines* Understanding of **cryptographic concepts** — digital signatures ...

Senior Machine Learning Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
track record of writing clean, maintainable and high-quality production code. Experience supporting business-critical systems in live production environments. Strong understanding of asynchronous programming, Docker, containerised deployments and modern service architectures. Experience designing distributed systems, asynchronous microservices and event-driven architectures. Confidence leading system design discussions … agentic software development can improve engineering delivery without compromising code quality. Strong communication skills and the ability to collaborate effectively in remote or asynchronous environments. An ownership mindset, with the ability to work independently and contribute effectively to shared codebases. Core Values Love what you do: We show ...

Senior Forward Deployed ML Engineer, Agents

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
similar orchestration frameworks Voice AI platform experience built real-time conversational systems with production STT/TTS integration Proficiency in Python (production-grade, async programming, type hints) and JavaScript/TypeScript (full-stack development) RAG implementation experience built retrieval-augmented generation systems with vector databases MLOps & deployment hands ...

Senior AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Pinecone, pgvector) and orchestration layers (e.g., LangGraph, LlamaIndex). Comfortable working with heterogeneous documents like pdfs. Experience working with re‐ranking models. Production-Grade Asynchronous Python: Strong software engineering fundamentals with deep experience in asynchronous programming (asyncio, FastAPI) to handle highly concurrent, I/O‐bound ...

Senior AI Engineer

Hiring Organisation
Octopus Energy
Location
London, United Kingdom
Salary
£ 100 K
Weavite, Pinecone, pgvector) and orchestration layers (e.g., LangGraph, LlamaIndex). Comfortable working with heterogeneous documents like pdfs. Experience working with re-ranking models.Production-Grade Asynchronous Python: Strong software engineering fundamentals with deep experience in asynchronous programming (asyncio, FastAPI) to handle highly concurrent, I/O-bound ...

Lead Web3 Engineer - Digital Assets Platform

Hiring Organisation
Jobleads-UK
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
Jobleads-UK
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 ...

AI Software Engineer

Hiring Organisation
X-On Health
Location
Woodbridge, Suffolk, East Anglia, United Kingdom
Employment Type
Permanent
Salary
£35,000
quality and cost Our core tech stack: GitLab MySQL RabbitMQ Redis PHP + Laravel React Electron Puppet (build and deploy) OpenSIPS FreeSWITCH Essential experience: Programming Proficiency: Strong foundation in a backend language. Our stack is primarily Go (Golang), so experience with Go or a strong willingness to cross-train … Exposure: Practical experience interacting with LLM APIs (OpenAI, Anthropic, etc.) and understanding concepts like Context Windows, RAG, System Prompts, and Temperature Concurrency: Understanding of asynchronous programming (WebSockets, goroutines) is highly beneficial given the real-time nature of voice data Several years experience in industry A team player ...

Full stack Engineer - AI

Hiring Organisation
ebury
Location
London, United Kingdom
Salary
£ 80 K
industrialize productionize lifecycle, turning promising AI prototypes into hardened, daily-deployed services on CD pipelines.Mentor & Lead: Uplift mid-level engineers through code reviews, pair programming, and establishing scalable engineering patterns.Collaborate Cross-Functionally: Partner with Product, Ops, Trading, and Treasury to identify high-value workflows worth automating (and ruthlessly deprioritize … integration patternsWhat We're Looking ForMust-Haves5+ years of professional software engineering experience.Strong Python Backend Expertise: Deep experience with FastAPI (or Django/Flask), asynchronous programming, clean architecture, and writing production-grade code.Strong React & TypeScript Skills: Ability to architect non-trivial frontends with sound state management, performance optimization ...

Lead Web3 Engineer - Digital Assets Platform

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
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 ...

Senior Software Engineer, Windows/Desktop Applications - Reading, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Reading, England, United Kingdom
dedication to building accessible and inclusive software. Excellent software engineering fundamentals: OOP, design patterns, data structures, algorithms, memory management, multi‐threading or asynchronous programming (where relevant). Experience leading technical design, mentoring other engineers, conducting code reviews, and making architecture‐level decisions. Strong communication skills; ability to articulate ...

Senior Software Engineer, Windows/Desktop Applications - Manchester, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
dedication to building accessible and inclusive software. Excellent software engineering fundamentals: OOP, design patterns, data structures, algorithms, memory management, multi-threading or asynchronous programming (where relevant). Experience leading technical design, mentoring other engineers, conducting code reviews, and making architecture-level decisions. Strong communication skills; ability to articulate ...