10 of 10 Asynchronous Programming Jobs in the City of London

Strong understanding of Java, Java Script, Spring Boot best practices, including exception/error handling best practices. Experience in Java and Java Script 8+ features, especially Lambda and Functional Programming Experience in Asynchronous programming in Java with completable future. Experience with database systems such as MySQL, PostgreSQL, or MongoDB. Experience with Spring data JPA with bidirectional One … To Many, Many To Many relationships. Familiarity with cloud platforms (e.g., AWS, Azure, or GCP). Experience in client-side programming language that lets web developers make Web Application Development smoother and dynamic. Experience in optimizing web and mobile applications, enhancing their scalability, operating speeds, and making them responsive on various formats. Experience in creating dynamic content for websites More ❯

tools. Qualifications: 5+ years of professional experience in Python development, with a focus on building performant, scalable systems. Deep understanding of core Python, including its strengths in data manipulation, asynchronous programming, and performance optimization. Experience with distributed systems, parallel computing, and high-performance processing of large datasets. Strong experience in data pipelines, working with tools such as Pandas More ❯

with good understanding of unit testing Knowledge of good practices, design patterns and SOLID principles Good problem-solving skills Knowledge of .NET stack - C#, ASP.NET Core Web Apis, LINQ, asynchronous programming, dotnet tools Knowledge of relational and/or No-SQL databases and integrations patterns Knowledge of React stack - React, Node, Typescript, CSS, Material UI, Jest, JSS and More ❯

scalability Participate in rigorous code reviews and contribute to continuous improvement ✅ Key Requirements: 10+ years of professional experience in C#/.NET development Strong grasp of OOP, multithreading, and asynchronous programming Proven background in building high-performance, low-latency systems (preferably in financial services) Deep understanding of software architecture, design patterns, and data structures Proficiency with SQL Server More ❯

in some or most of the following: Languages/Frameworks: Python, FastAPI, Pydantic, Streamlit (for internal tools) AI: AgenticFlows, GenAI, LLMs, and multimodal systems Architecture: Microservices, RESTful APIs, async programming Infrastructure: Docker, Terraform, GitHub Actions, GCP (preferred) Datastores: MongoDB, Redis Monitoring/Tooling: Prometheus, Grafana, Sentry The role is remote with occasional travel Ready to lead and build with More ❯

optimize code for performance and scalability. Participate in code reviews, technical design discussions, and agile ceremonies. Required Skills & Experience: Strong hands-on experience in Node.js with deep understanding of asynchronous programming and event-driven architecture. Good command of Python for scripting and backend automation tasks. Solid knowledge of Jenkins for CI/CD pipeline design and management. Experience More ❯

s rendering lifecycle, server-side rendering (SSR), hydration processes, and optimisation strategies. Proven expertise in Node.js, particularly in creating scalable and performant backend services, with a thorough understanding of asynchronous programming patterns, event-loop mechanics, and Node.js internals. Demonstrable hands-on experience using modern front-end build tools and bundlers (Webpack, Rollup, Vite). Comprehensive experience with modern More ❯

and layout process • Experience with RESTful APIs to connect Android applications to back-end services. • Strong knowledge of Material design principles, patterns, and best practices. • Experience with offline storage, asynchronous programming, and performance tuning. • Ability to understand business requirements and translate them into technical requirements. • An obsessional enthusiasm for Android as a user and developer. • Proficient understanding of More ❯

by enhancing infrastructure, connecting to new venues, and optimizing smart contract interactions and MEV strategies. What You'll Need: Strong Rust skills (professional or personal projects) Experience with async programming Solid CS fundamentals (algorithms, data structures) Interest in crypto markets Familiarity with Python and Linux CLI CS degree (Bachelor’s or Master’s) 📍 Location : London (hybrid) 🕒 Note : Some out More ❯

maintainable, and well-tested code Key Skills & Experience Required: 3–5 years of professional software development experience Proficiency in Node.js. Good understanding of software engineering principles, REST APIs, and asynchronous programming Experience with modern frontend development, ideally with React Nice to Have: Experience with NestJS Cloud experience with AWS services (Lambda, API Gateway, S3, etc.) Exposure to payments More ❯