20 of 20 Asynchronous Programming Jobs in the UK excluding London

Developer – Scala

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 ...

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 Application Development Lead – Generative AI (Gen AI), Vice President

Location
Belfast City District, Northern Ireland, United Kingdom
production APIs, and monitoring/observability tools**, with an emphasis on reliability and scalability* **Strong hands**‐**on software engineering skills**, including **Python, FastAPI, async programming patterns**, and building high‐performance AI‐powered APIs* **Understanding of AI system evaluation, safety, and governance**, including hallucination handling, guardrails, feedback loops, and responsible ...

Senior Application Development Lead – Generative AI (Gen AI), Vice President

Location
Belfast City District, Northern Ireland, United Kingdom
production APIs, and monitoring/observability tools, with an emphasis on reliability and scalability Strong hands‐on software engineering skills, including Python, FastAPI, async programming patterns, and building high‐performance AI‐powered APIs Understanding of AI system evaluation, safety, and governance, including hallucination handling, guardrails, feedback loops, and responsible ...

Threat Modeling – Cyber Security

Hiring Organisation
Diana Duggan UK Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £500.00 per day
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 ...

.Net developer

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
APIs. Messaging: Hands-on experience with RabbitMQ (or TIBCO/SignalR). Cloud & Tools: AWS (EC2) , Docker, Git/TeamCity. Concepts: Multithreading, async programming, SQL/NoSQL, automated testing. Nice-to-Haves Fixed Income or electronic trading domain knowledge. Exposure to JavaScript frameworks (React/Angular) or broader ...

Android Developer

Location
Manchester, 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 working with cloud-based services and RESTful APIs Familiarity with ...

iOS Developer

Location
City of Edinburgh, Scotland, United Kingdom
Desirable Technical Skills Experience 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 ...

iOS Developer

Location
Manchester, England, United Kingdom
Desirable technical skills Experience 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 ...

iOS Developer

Location
Leeds, England, United Kingdom
Desirable technical skills Experience 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 ...

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
Manchester, 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 ...

Android Developer x 2 - FinTech

Hiring Organisation
Sanderson Recruitment
Location
South West, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650 per day
design patterns such as MVVM or Clean Architecture. Experience with dependency injection frameworks such as Hilt or Dagger . Proficiency with Coroutines and asynchronous programming. Experience consuming REST APIs and working with JSON data. Familiarity with Git-based source control and Agile delivery methodologies. Strong understanding of mobile application ...

Android Developer x 2 - FinTech

Hiring Organisation
Sanderson
Location
South West England, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £650.00 per day
design patterns such as MVVM or Clean Architecture. Experience with dependency injection frameworks such as Hilt or Dagger . Proficiency with Coroutines and asynchronous programming. Experience consuming REST APIs and working with JSON data. Familiarity with Git-based source control and Agile delivery methodologies. Strong understanding of mobile application ...

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

Location
Cardiff, Wales, 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

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 ...

Machine Learning Engineer - Conversational AI & MLOps

Hiring Organisation
Robert Walters
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
deploying production-grade, low-latency Automatic Speech Recognition (ASR), Text-to-Speech (TTS), LLM and Small Language Model (SLM) pipelines. Building high-performance asynchronous REST and WebSocket APIs using FastAPI to support real-time conversational AI applications. Deploying machine learning workloads across AWS, Azure, GCP and on-premise/… strong software engineering foundations alongside demonstrable experience deploying machine learning models into production environments. Essential experience includes: Strong commercial development experience with Python , including asynchronous programming. Strong knowledge of the Python machine learning ecosystem, particularly PyTorch, Scikit-learn and NumPy . Experience deploying speech technologies , ideally including both ...

Senior Software Engineer, Non-Realtime Controllers

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 ...

Staff Software Engineer, Non-Realtime Controllers

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 ...

iOS Engineer

Hiring Organisation
US TECH SOLUTIONS LIMITED
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £475.00 per day
technical discussions, troubleshoot complex issues, and contribute to continuous improvements in the mobile development process. Requirements 6+ years of professional iOS development experience. Strong programming experience with Swift and Objective-C. Hands-on experience with SwiftUI and UIKit. Strong understanding of the iOS SDK and Apple development ecosystem. Experience … integrating modern Swift code with legacy Objective-C applications/modules. Strong knowledge of async programming, concurrency, and reactive programming. Experience developing scalable, maintainable, and performance-focused mobile applications. Strong problem-solving, communication, and collaboration skills. Preferred Qualifications Experience with React Native alongside native iOS development. Experience with Combine ...