26 to 50 of 65 Asynchronous Programming Jobs in England

Net developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum Negotiable
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 ...

.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 ...

Quantitative Developer

Location
Greater London, England, United Kingdom
engineering role. Experience within the finance industry is a strong plus. Good working knowledge of NumPy and Pandas. Familiarity with backend development and async programming in Python/modern Python frameworks. Experience with containerisation and cloud deployments (Docker, cloud platforms such as AWS). Practical exposure to financial data ...

Software Engineer

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 ...

Net developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum Negotiable
Responsibilities Lead technical design, system architecture, and C# code delivery. Build low-latency, real-time microservices and RESTful Web APIs. Implement multithreaded and asynchronous processing for high-volume data streams. Maintain high test coverage (NUnit/Moq) and automated CI/CD pipelines. Requirements Core Tech: Strong C#, ASP.NET …/.NET Core, Web APIs. Real-Time Data: Solid experience in multithreading , asynchronous programming , and low-latency/high-throughput processing. Messaging: Hands-on experience with RabbitMQ (or TIBCO/SignalR). Cloud & Tools: AWS (EC2) , Docker, Git/TeamCity, SQL/NoSQL. Nice-to-Haves Fixed Income ...

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 ...

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 ...

Front End Developer – UI (React/TypeScript)

Location
Greater London, England, United Kingdom
TypeScript . Experience delivering complex production front-end applications. Experience consuming real-time streaming data using WebSockets, RSocket or similar technologies. Strong understanding of asynchronous programming and responsive UI design. Comfortable understanding backend Java services and collaborating across the full technology stack. Experience with automated testing frameworks including ...

Digital Assets Platform Engineering Team Lead - SVP

Location
Greater London, England, United Kingdom
frameworks Proven experience architecting and delivering high‐throughput, high‐availability enterprise systems that meet strict standards for reliability, scalability, and performance Strong proficiency in asynchronous programming paradigms and event-driven architecture patterns Working knowledge of Web3 libraries (Web3J, Web3JS) and their application in enterprise contexts Demonstrated familiarity with ...

Digital Assets Platform Engineering Team Lead - SVP

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
tokenization frameworksProven experience architecting and delivering high-throughput, high-availability enterprise systems that meet strict standards for reliability, scalability, and performanceStrong proficiency in asynchronous programming paradigms and event-driven architecture patternsWorking knowledge of Web3 libraries (Web3J, Web3JS) and their application in enterprise contextsDemonstrated familiarity with Solidity and smart ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £150000/annum
Essential Skills & Experience 5+ years' professional software development experience Strong commercial experience developing applications using C# and modern .NET Excellent understanding of object-oriented programming, software design principles and architecture Proven experience designing and developing production-grade, scalable software systems Strong experience working with SQL Server, Oracle or another … Computer Science, Mathematics, Physics, Engineering or another relevant scientific/technical discipline Desirable Technical Experience Experience developing multi-threaded and concurrent applications Understanding of asynchronous programming and parallel processing Experience with TCP/IP, UDP or network programming Experience building low-latency or high-throughput applications Experience ...

Senior Python Engineer: AI Agents & Forecasting

Location
Greater London, England, United Kingdom
LangGraph (agent memory, tool calling, state management) Dagster in production (assets, sensors, partitions) or equivalent pipeline orchestration Strong backend fundamentals including API design, async programming, and database modelling You've built systems that had to work reliably at scale, not just pass a demo Experience 5+ years ...

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 ...

Senior Rust Software Engineer

Location
Greater London, England, United Kingdom
deliver business-critical software Drive performance optimisation, reliability and engineering best practices Skills & Experience Commercial experience developing software in Rust Strong background in systems programming and backend engineering Experience building low-latency or high-performance distributed systems Strong knowledge of Linux, concurrency and asynchronous programming Excellent understanding ...

ios developer for public-sector services

Location
Greater London, England, United Kingdom
performance issues Nice to have: Experience with Objective-C and maintaining or modernising existing Objective-C codebases, experience with SwiftUI and/or UIKit, asynchronous programming and concurrency in Swift, knowledge of iOS application architecture and design patterns, CI/CD pipelines and automated build and deployment processes ...

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 ...

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
Greater London, 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 ...

Javascript Developer

Location
Uxbridge, England, United Kingdom
Proven experience working on eCommerce or other transactional websites*** Solid understanding of HTML, CSS, and responsive web design principles* Experience working with APIs and asynchronous programming patterns* Confident working with Git and collaborative development workflows* Experience working in agile delivery environments* A pragmatic, quality-focused mindset with attention ...

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 Quantitative Developer (C++) - Execution Technology

Hiring Organisation
Millennium Management
Location
London, UK
Employment Type
Full-time
messaging systems. Partner directly with central trading teams to optimize execution performance across businesses and regions. Reduce system latency using advanced network and systems programming techniques and other performance-focused methodologies. Build systems, interfaces, and tools for historical market data analysis and trading simulations to improve research productivity … software development experience, including at least 5 years in a front-office financial services environment. Strong expertise in data structures, algorithms, and object-oriented programming in C++.Proficiency with C++17 and C++20, multithreading, and asynchronous programming environments. Strong understanding of low-latency and real-time system design ...

Senior Search Backend Engineer

Location
Greater London, England, United Kingdom
foundations of search capabilities across domains. You will: Design and implement search functionalities in a PaaS ecommerce Scala backend. Learn Scala and functional programming as your new main development tools Develop search-related libraries based on ElasticSearch and MongoDB Run and maintain a scalable search “infrastructure as code … Search-related experience (preferably ElasticSearch) Strong DevOps mindset as you will drive lots of infrastructure improvements Interest in working with Scala using pragmatic functional programming patterns Practical work experience in developing server-side systems using the JVM Solid understanding of parallel and asynchronous programming, as well ...

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 ...