26 to 50 of 51 Asynchronous Programming Jobs in London

Senior Python Developer

Hiring Organisation
King Digital Entertainment
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 ...

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 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
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 ...

Android Developer

Location
Greater London, 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 ...

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 Quantitative Developer (C++) - Execution Technology

Location
Greater London, England, United Kingdom
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 ...

Junior Software Developer - Trading

Hiring Organisation
Spectrum IT Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum
least a 2:1 in STEM subject Commercial experience developing with C#. Good understanding of .NET/.NET Core. Strong understanding of object-oriented programming and software development principles. Knowledge of SQL and relational databases. Strong problem-solving and analytical skills. A genuine interest in developing high-quality software. … ability to work effectively within a development team. Desirable: Experience with ASP.NET Core or Web APIs. Knowledge of SQL Server. Exposure to multithreading, asynchronous programming or distributed systems. Experience with Git and modern development practices. Understanding of performance optimisation and low-latency systems. Exposure to automated testing ...

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 ...

Senior Blockchain Engineer - Digital Assets Platform

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
expertise with Backend web development with Java springProven 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 ...

Software Engineer (Machine Learning) New UK (London, Manchester, Bath)

Location
Greater London, England, United Kingdom
empirical mindset. You design experiments, measure outcomes, and use metrics to validate and demonstrate impact. Willingness to learn Go and modern Perl, including asynchronous programming. Strong attention to detail and a real sense of responsibility. Customers act on our classifications, and Netcraft's reputation depends on getting them right. ...

Senior Frontend Engineer- React

Location
Greater London, England, United Kingdom
advanced state management) 5+ years with TypeScript at enterprise scale Strong command of HTML5, ES6+, and Vite Solid grasp of RESTful APIs, async programming, and Git workflows Experience with React Testing Library and Vitest Strong communicator who can align cross-functional teams and articulate complex technical concepts ...

c# developer in financial trading

Location
Greater London, England, United Kingdom
distributed systems, microservices, and high-frequency data handling Contribute to strategic platform decisions with key stakeholders and senior engineers Требования: Strong C#/.NET programming skills Solid computer science fundamentals, including data structures, algorithms, and concurrency At least 1 year of professional development experience Comfortable working in a fast … paced, agile, test-driven environment Будет плюсом: experience with complex systems in financial or mission-critical contexts, familiarity with multithreading, asynchronous programming, and performance tuning Условия: Bonus and comprehensive benefits Hybrid work with remote work part of the week Access to an unlimited technology budget and tools, hardware ...

AI engineer

Location
Greater London, England, United Kingdom
grow fast. What You’ll Bring Deep technical expertise in the modern AI stack (LangChain/LlamaIndex, DSPy, or similar) Mastery of Python and asynchronous programming , with a focus on building high-performance AI backends. Experience working with LLMs , vector databases , and retrieval-augmented generation (RAG). Strong ...

Software Engineer, Agents

Location
Greater London, England, United Kingdom
large enterprise-grade customers Your background looks something like this Have 3+ years of industry experience in software engineering Proficiency with Python, Typescript and asynchronous programming A high degree of comfort digging into system failures within deep technology stacks using any tool necessary Even better Prior experience working ...

PHP JavaScript Developer Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
experience would be ideal.PHP JavaScript Developers Should have: (the below also gives you an idea of stack)Required JavaScript (object oriented and async programming)PHPHTML5/CSS3HTTP fundamentalsSQLGITDesirable Node JSAngular JSIdeally I am looking for a bright junior developer with good fundamentals in computing and the ability to learn ...

Mid Android Engineer

Location
Greater London, England, United Kingdom
reactive patterns, MockK and JUnit testing, GitHub version control.### Required Qualifications* Minimum 2 years professional Android development with Kotlin* Strong Coroutines expertise and asynchronous programming patterns* Experience with caching strategies and performance optimization* Solid understanding of agile methodologies (Scrum, Kanban)* UI test automation capability* Familiarity with Material Design ...

Senior Software Engineer, Machine Learning Services

Location
Greater London, England, United Kingdom
that powers UiPath's large‐scale AI and Document Understanding products. Our world is one of distributed systems, high‐throughput model serving, and complex asynchronous training workflows. We're looking for a systems‐level engineer who wants to work on the gnarly, foundational problems of a production ML platform. … content‐addressable storage abstraction layer over cloud object stores (GCS, S3, Azure Blob), complete with its own garbage collection and sharding logic. Enhance our asynchronous job‐queueing system, built from the ground up on the storage layer using compare‐and‐swap primitives for atomicity. No off‐the‐shelf message ...

Agent Systems Engineer

Location
Greater London, England, United Kingdom
5+ years of hands-on experience designing and implementing production-grade distributed systems and agent-based architectures Strong proficiency in Python, with substantial async programming experience. Demonstrated experience building production ML systems, including tracing, cost monitoring, failure detection, and robust fallbacks. Hands-on experience with containerisation and orchestration (Docker … research, and product. Core Competencies Expertise in designing and implementing production-grade distributed systems and agent-based architectures, with a strong focus on Python programming, containerization, and orchestration. Proven ability to develop behavioral models and translate agent outputs into actionable insights for product decisions. #J-18808-Ljbffr ...

Design Engineer

Location
Greater London, England, United Kingdom
About Trigger.dev Trigger.dev is an open source platform used by developers to build production-grade AI agents. It's an SDK and the infrastructure to run agents reliably at scale, so teams can focus on ...