1 to 25 of 40 Asynchronous Programming Jobs in England

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 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 ...

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 ...

Senior 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 ...

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 ...

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 ...

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 ...

Senior Python Developer

Hiring Organisation
King Games
Location
London, UK
Employment Type
Full-time
services and APIs using PythonBuild scalable and reliable applications that support forecasting, analytics, and decision-making processes across the businessDevelop distributed processing pipelines and asynchronous workloadsDesign and optimize relational OLTP databases, data models, and query performanceBuild and maintain data processing, analytical, and forecasting workflowsDesign, develop, and maintain internal … production environmentsExperience building backend services and APIsUnderstanding of modern web application development and the ability to contribute across the stack when neededSolid understanding of asynchronous programming, concurrency, and distributed systemsExperience designing and optimizing relational databasesExperience building data-intensive applications and processing large datasetsExperience with background processing, job orchestration ...

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 ...

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 ...

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 ...