1 to 25 of 28 Asynchronous Programming Jobs in England

Technical Lead .Net Development

Hiring Organisation
Broadridge
Location
London, UK
Employment Type
Full-time
security. Ensure robust, maintainable code following OOP principles, SOLID principles, design patterns, and clean coding standards. Guide the team in implementing multithreading and asynchronous programming for high-performance modules. Lead code reviews, enforce development standards, and ensure overall code quality. Mentor, support, and technically guide team members, helping … architecture and distributed systems. Experience with cloud platforms and containerized environments. Excellent knowledge of OOP concepts, SOLID principles, and design patterns. Experience with multithreading, asynchronous programming, and performance optimization. Strong understanding of modern software engineering practices and Agile/Scrum methodologies. Hands-on experience with tools such ...

Microsoft Full Stack Senior Developer (Manager)

Hiring Organisation
Accenture
Location
London, UK
Employment Type
Full-time
software engineering experience, including recent hands-on delivery using the Microsoft technology stack. Expert-level C#, .NET and ASP.NET Core skills, including API design, asynchronous programming, dependency injection, testing and performance optimisation. Strong commercial experience with React and/or Angular and TypeScript, including component design, state management ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £140000/annum
similar Identify and resolve performance bottlenecks across applications and databases Develop reliable, maintainable and highly scalable software Work with multi-threading, concurrency and asynchronous programming Investigate complex technical challenges and deliver long-term solutions Contribute to code reviews, automated testing, CI and development tooling Mentor other developers … Engineering or another relevant technical discipline Highly Desirable Experience in any of the following would be particularly valuable: Multi-threaded and concurrent application development Asynchronous and parallel programming Low-latency or high-throughput systems TCP/IP, UDP or network programming Distributed systems and service-oriented architectures ...

Node Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
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 ...

Senior Software Developer - Scala

Hiring Organisation
Sage
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
robust backend services using Scala 2.13/3 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 ...

Senior Software Developer - Scala

Hiring Organisation
Hackajob Ltd
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Developer - Scala

Hiring Organisation
Sage
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
robust backend services using Scala 2.13/3 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 ...

Developer - Scala

Hiring Organisation
Hackajob Ltd
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

iOS Developer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £420 per day + Inside IR35
reusable component-based development. API & Data Integration Experience consuming RESTful APIs. JSON parsing and data mapping. Authentication mechanisms including OAuth and JWT. Knowledge of asynchronous programming techniques. Data Storage Experience with: Core Data SQLite UserDefaults Cloud-based data services Testing Unit testing using XCTest. UI testing and automation. ...

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 ...

Senior/Staff Software Engineer - Silicon Engineering Platform

Hiring Organisation
Imagination Technologies Group
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
business logic.Experience building composable software: small, well-scoped modules/functions/classes that combine predictably, rather than large monolithic scripts.Comfortable with asynchronous programming (e.g. Python asyncio) for coordinating external process execution and I/O-bound work.Experience designing data models/schemas (e.g. Pydantic, dataclasses, or equivalent ...

Senior/Staff Software Engineer - Silicon Engineering Platform

Hiring Organisation
Imagination Technologies Group
Location
Kings Langley, Hertfordshire, UK
Employment Type
Full-time
business logic. Experience building composable software: small, well-scoped modules/functions/classes that combine predictably, rather than large monolithic scripts. Comfortable with asynchronous programming (e.g. Python asyncio) for coordinating external process execution and I/O-bound work. Experience designing data models/schemas (e.g. Pydantic ...

Full-stack AI Engineer

Hiring Organisation
ebury
Location
London, UK
Employment Type
Full-time
TypeScript skills - you can architect complex frontend applications with good state management, performance, and testingStrong Python backend experience - FastAPI, Django, or Flask with async programming, clean architecture, and production-grade codeSystem design skills - you can design scalable, maintainable systems and articulate trade-offs clearlyAPI design expertise - REST, WebSockets/ ...

Software Engineer

Hiring Organisation
Lloyds Banking Group
Location
Leeds, West Yorkshire, United Kingdom
Salary
£ 70 K
ends with ReactJS using TypeScript.Previous experience of front end design patterns.Previously developed high quality, testable, re-usable and modular code with a range of programming languages, frameworks, and technologies, e.g. JavaScript, TypeScript, React, Jest, Playwright, Java Spring Boot/Quarkus, and Kafka.GIT, source code management and managing concurrent change …/CD across the SDLC using Harness.Working with large-scale applications where high performance and low latency is a mustUsing distributed systems, asynchronous programming techniques and event driven architectures.Cloud native solutions (GCP) and integration with SaaS solutions via RESTful APIs.Container technologies (Docker, Kubernetes) and experience with cloud platforms ...

AI Engineer

Hiring Organisation
Ronald James
Location
Newcastle Upon Tyne, Tyne and Wear, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £85,000 per annum
LlamaIndex. Strong backend development skills, ideally with TypeScript and Node.js . Full-stack experience, with some familiarity with React. Experience with REST APIs, asynchronous programming and databases. Understanding of software testing, deployment and production-ready development. A practical, hands-on approach to AI experimentation and AI-assisted coding. ...

iOS Developer

Hiring Organisation
Methods Consulting
Location
London, UK
Employment Type
Full-time
issues. Desirable technical skillsExperience with Objective-C and maintaining or modernising existing Objective-C codebases. Experience with SwiftUI and/or UIKit. Experience with asynchronous programming and concurrency in Swift. Knowledge of iOS application architecture and design patterns. Experience with CI/CD pipelines and automated build ...

Lead Forward Deployed AI Engineer (SVP)

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
background in backend and distributed systems, alongside proven experience building and deploying production-grade LLM and agentic AI applications. Expert-level Python skills, including asynchronous programming with asyncio, state machines and the design of complex application workflows. Strong experience with distributed microservices, containerisation and orchestration technologies, including Docker ...

AI Platform Engineer - TypeScript AWS MCP Agentic AI

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
calling, tool use and agent orchestration. API gateways, OAuth2, JWT and secure service-to-service communication. JSON-RPC, Server-Sent Events (SSE), WebSockets or asynchronous programming. Experience designing and deploying production AI applications. If you're a strong backend engineer who's already building with AI, or an experienced ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £150000/annum
optimise relational database solutions using SQL Server, Oracle or similar technologies. Investigate performance bottlenecks and improve application and database efficiency. Apply multithreading, concurrency and asynchronous programming to demanding engineering problems. Strengthen software quality through code reviews, automated testing and continuous integration. Mentor other developers and help maintain high … standards. Skills Required: At least five years' commercial software development experience, with strong expertise in C# and modern .NET. Excellent understanding of object-oriented programming, software design principles and architecture. Experience delivering production applications where performance, reliability and scalability are essential. Strong SQL skills and experience with relational databases. ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £150,000 per annum
optimise relational database solutions using SQL Server, Oracle or similar technologies. Investigate performance bottlenecks and improve application and database efficiency. Apply multithreading, concurrency and asynchronous programming to demanding engineering problems. Strengthen software quality through code reviews, automated testing and continuous integration. Mentor other developers and help maintain high … standards. Skills Required: At least five years' commercial software development experience, with strong expertise in C# and modern .NET. Excellent understanding of object-oriented programming, software design principles and architecture. Experience delivering production applications where performance, reliability and scalability are essential. Strong SQL skills and experience with relational databases. ...

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 ...

Senior Native iOS Engineer

Hiring Organisation
Barclays
Location
Northampton, Northamptonshire, United Kingdom
Salary
£ 70 K
that provides business, platform, and technology capabilities for our customers and colleagues. AccountabilitiesDevelopment and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.Cross-functional collaboration with product managers, designers, and other engineers … knowledge of modern engineering approaches including MVVM architecture, coordinator-based navigation and protocol-oriented design.Experience working within modular, feature-based architectures, applying reactive and asynchronous programming using Combine and Swift Concurrency (async/await) to build scalable and maintainable applications.Experience applying quality-focused engineering practices, including test-driven ...

Senior Native iOS Engineer

Hiring Organisation
Barclays
Location
Knutsford, Cheshire, United Kingdom
Salary
£ 70 K
that provides business, platform, and technology capabilities for our customers and colleagues. AccountabilitiesDevelopment and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.Cross-functional collaboration with product managers, designers, and other engineers … knowledge of modern engineering approaches including MVVM architecture, coordinator-based navigation and protocol-oriented design.Experience working within modular, feature-based architectures, applying reactive and asynchronous programming using Combine and Swift Concurrency (async/await) to build scalable and maintainable applications.Experience applying quality-focused engineering practices, including test-driven ...

Senior Native iOS Engineer

Hiring Organisation
Barclays
Location
Northampton, Northamptonshire, UK
Employment Type
Full-time
that provides business, platform, and technology capabilities for our customers and colleagues. AccountabilitiesDevelopment and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance. Cross-functional collaboration with product managers, designers, and other engineers … modern engineering approaches including MVVM architecture, coordinator-based navigation and protocol-oriented design. Experience working within modular, feature-based architectures, applying reactive and asynchronous programming using Combine and Swift Concurrency (async/await) to build scalable and maintainable applications. Experience applying quality-focused engineering practices, including test-driven ...

Senior Native iOS Engineer

Hiring Organisation
Barclays
Location
Knutsford, Cheshire, UK
Employment Type
Full-time
that provides business, platform, and technology capabilities for our customers and colleagues. AccountabilitiesDevelopment and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance. Cross-functional collaboration with product managers, designers, and other engineers … modern engineering approaches including MVVM architecture, coordinator-based navigation and protocol-oriented design. Experience working within modular, feature-based architectures, applying reactive and asynchronous programming using Combine and Swift Concurrency (async/await) to build scalable and maintainable applications. Experience applying quality-focused engineering practices, including test-driven ...