1 to 25 of 44 Asynchronous Programming Jobs in England

iOS Developer

Location
Greater London, England, United Kingdom
Desirable: Experience with Objective-C and maintaining or modernising existing Objective-C codebases Desirable: Experience with SwiftUI and/or UIKit Desirable: Experience with asynchronous programming and concurrency in Swift Desirable: Knowledge of iOS application architecture and design patterns Desirable: Experience with CI/CD pipelines and automated … Proficiency Automated Testing API Integration Agile Methodologies Hard Skills Swift IOS SDK Automated Testing APIs Git Objective-C SwiftUI UIKit CI/CD Pipelines Asynchronous Programming Soft Skills Collaboration Mentoring Problem-Solving Communication Knowledge Sharing Industry Keywords Mobile Application Security Accessibility Standards Software Engineering Principles Technical Documentation Development ...

AI Transformation Developer

Location
Greater London, England, United Kingdom
data storage patterns for AI applications Familiarity with cloud platforms such as AWS and Azure, and containerization technologies including Docker and Kubernetes Understanding of asynchronous programming, performance optimization, and scalable backend architectures Experience with unit testing, debugging, version control, and software engineering best practices Familiarity with data processing ...

Software Engineer

Location
Greater London, England, United Kingdom
testing, and building pipelines that package software into deployable Docker artifacts. The Experience You'll Bring Development & Tech: Python, Microservices, REST APIs, FastAPI, Flask, Asynchronous Programming, Object-Oriented Programming (OOP), Test-Driven Development (TDD). DevOps & Deployment: Docker, Docker Compose, Multi-Stage Builds, Kubernetes, K3s, Edge Computing ...

Senior Software Engineer, Cloud Platforms

Hiring Organisation
Puck Enterprises
Location
Worthing, South Dakota, United States
Employment Type
Permanent
Salary
USD Annual
years of professional software engineering experience building and operating production-grade systems Deep proficiency in C# and the .NET ecosystem, including modern application architecture, asynchronous programming, dependency injection, and service-oriented design Strong hands-on experience designing, building, deploying, and supporting applications or services in Microsoft Azure Demonstrated ...

Senior Frontend Engineer (React.js)

Location
Greater London, England, United Kingdom
Redux, React Query, or Context API. Expertise in integrating frontend applications with RESTful APIs. Experience with testing frameworks such as Cypress, Playwright. Familiarity with asynchronous programming techniques. Familiarity with graphs libraries such as eCharts. Basic understanding of the Python programming language, as the backend is developed ...

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 ...

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 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 ...

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 ...

Blockchain Software Developer - Digital Assets Platform

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
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

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

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

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 ...

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 ...

Forward Deployed ML Engineer, Agents

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 ...

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
Location
London, UK
Employment Type
Full-time
AWS.Key ResponsibilitiesLead 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. RequirementsCore 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-HavesFixed Income or electronic trading domain ...

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 ...

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 ...

Senior Backend Engineer (Python)

Location
Greater London, England, United Kingdom
4+ years of experience in Python engineering, ideally building AI platforms, ML infrastructure, or applied AI products. Deep expertise in Python, asynchronous programming, system design, and backend engineering fundamentals. Hands-on experience building production systems involving: LLM orchestration or agent frameworks (Pydantic, LangChain, custom orchestration). Data pipelines ...

AI & Automation Engineering, Global Security (Vice President)

Hiring Organisation
Jefferies Financial Group
Location
London, UK
Employment Type
Full-time
document to a standard supportable by a follow-the-sun team. Required Qualifications8+ years professional software engineering with production ownership. Advanced Python, including asynchronous programming, API integration, automated testing and CI/CD. Demonstrated production experience building LLM-backed or agentic systems: retrieval, tool and function calling, orchestration ...

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 ...