10 of 10 Asynchronous Programming Jobs in England

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
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 ...

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
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 ...

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. ...

Python AI Engineer

Hiring Organisation
Square One Resources
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 700 Daily
workflows using structured outputs, tool calling, schema validation and controlled fallbacks. Implement vector, lexical and hybrid retrieval, metadata filtering, reranking and evidence selection. Build asynchronous services with appropriate timeout, retry, cancellation and exception handling. Develop automated unit, integration, regression and failure-path tests. Implement structured logging, tracing and operational … reviews, engineering standards and production support. Required Skills/Experience: Strong commercial experience developing production-grade Python applications and services. Advanced Python skills, including asynchronous programming, type annotations, modular design and performance optimisation. Hands-on experience with Pydantic, LangGraph, MS Agent Framework/Semantic Kernel or similar ...

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 ...

C++ Developer

Hiring Organisation
Pure Talent Group
Location
DE1 2RU, Derby, Derbyshire, United Kingdom
Employment Type
Permanent
Salary
£25000 - £38000/annum
Skills & Experience Proven commercial experience in C++ development (modern C++/Versions C++20 and C++23) Experience developing games or interactive applications Strong understanding of asynchronous programming (e.g. coroutines) Working knowledge of JavaScript (ES6+) Experience working with JSON Git or other source control systems Strong problem-solving skills ...