1 to 25 of 38 Asynchronous Programming Jobs in London

Development: Design, build, and maintain scalable backend services and APIs using Python (FastAPI needed). System Architecture: Make design decisions for our production systems, focusing on reliability and efficiency. Asynchronous Programming: Implement and manage asynchronous workflows and concurrent processes. Containerization: Utilize Docker to containerize applications for deployment. Cloud Deployment & Operations: Deploy and troubleshoot applications on Google Cloud … rigorous. We evaluate Python and SQL skills on a pass/fail basis; full competency is required. We will also assess hands-on Docker skills and your understanding of asynchronous programming , concurrency, and software design. Communication: Candidates must be able to clearly articulate their technical contributions . We require context on what was done, why it was done More ❯

innovations into our stack. Skills and Experience Professional experience Demonstrable experience in software engineering, with 2+ years building LLM/AI applications in production. Strong in Python, API design, asynchronous programming, and integration patterns. Proven ability to scale LLMs and other AI models for high-volume, real-world applications, including optimising inference, managing computational resources, and ensuring reliability … and maintainability. Programming & ML/LLM Frameworks Strong expertise in Python and relevant ML/LLM libraries/frameworks (e.g., PyTorch, TensorFlow, scikit-learn). Strong in Python, API design, asynchronous programming, and integration patterns. Hands-on with LangGraph/LangChain, LlamaIndex or Semantic Kernel for orchestration (tools, agents, guards, structured I/O). Familiarity with More ❯

process flow diagrams, conducting time-motion studies, identifying bottlenecks and inefficiencies, and redesigning processes to be machine-readable and automation-ready using methodologies. Python Development - Strong proficiency in Python programming including object-oriented design, asynchronous programming, error handling, and writing clean, maintainable code. Experience with key libraries including Pandas, NumPy for data manipulation, requests and APIs for More ❯

process flow diagrams, conducting time-motion studies, identifying bottlenecks and inefficiencies, and redesigning processes to be machine-readable and automation-ready using methodologies. Python Development - Strong proficiency in Python programming including object-oriented design, asynchronous programming, error handling, and writing clean, maintainable code. Experience with key libraries including Pandas, NumPy for data manipulation, requests and APIs for More ❯

the product and the company. What You'll Be Doing Architect, design, and build backend applications using Node.js (TypeScript) and NestJS . Develop microservices and event-driven systems with asynchronous communication patterns. Write clean, maintainable, and well-tested code (unit + integration). Design and optimise RESTful APIs with a strong focus on performance, reliability, and security. Model and … to design reviews, planning sessions, and team discussions. What We're Looking For 2+ years of professional backend development experience (preferably with Node.js + TypeScript ). Strong grasp of asynchronous programming , microservices , and event-driven architectures . Solid understanding of testing, CI/CD, and cloud deployment workflows. Practical experience with MongoDB or similar NoSQL databases. Problem-solver More ❯

the product and the company. 🔧 What You’ll Be Doing Architect, design, and build backend applications using Node.js (TypeScript) and NestJS . Develop microservices and event-driven systems with asynchronous communication patterns. Write clean, maintainable, and well-tested code (unit + integration). Design and optimise RESTful APIs with a strong focus on performance, reliability, and security. Model and … to design reviews, planning sessions, and team discussions. 🧠 What We’re Looking For 2+ years of professional backend development experience (preferably with Node.js + TypeScript ). Strong grasp of asynchronous programming , microservices , and event-driven architectures . Solid understanding of testing, CI/CD, and cloud deployment workflows. Practical experience with MongoDB or similar NoSQL databases. Problem-solver More ❯

the product and the company. 🔧 What You’ll Be Doing Architect, design, and build backend applications using Node.js (TypeScript) and NestJS . Develop microservices and event-driven systems with asynchronous communication patterns. Write clean, maintainable, and well-tested code (unit + integration). Design and optimise RESTful APIs with a strong focus on performance, reliability, and security. Model and … to design reviews, planning sessions, and team discussions. 🧠 What We’re Looking For 2+ years of professional backend development experience (preferably with Node.js + TypeScript ). Strong grasp of asynchronous programming , microservices , and event-driven architectures . Solid understanding of testing, CI/CD, and cloud deployment workflows. Practical experience with MongoDB or similar NoSQL databases. Problem-solver More ❯

need to do it? Minimum Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of More ❯

need to do it? Minimum Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of More ❯

the quantitative researchers and alongside other extremely talented and driven engineers to build and support systematic trading models. The successful fullstack python/typescript developer will write high-quality asynchronous Python code to interact with external websites and APIs, build responsive, data-rich frontend features using React and TypeScript, participate in architectural discussions and propose platform improvements, work in … a Linux environment using Docker and Kubernetes and follow Agile practices using Scrum, GitLab, and Jira. Essential Skills: 2+ years of Python experience in a commercial environment, with strong asynchronous programming skills 2+ years of frontend development experience with React and modern JavaScript/TypeScript Demonstrated ability to build and maintain polished, responsive user interfaces Experience with REST More ❯

the quantitative researchers and alongside other extremely talented and driven engineers to build and support systematic trading models. The successful fullstack python/typescript developer will write high-quality asynchronous Python code to interact with external websites and APIs, build responsive, data-rich frontend features using React and TypeScript, participate in architectural discussions and propose platform improvements, work in … a Linux environment using Docker and Kubernetes and follow Agile practices using Scrum, GitLab, and Jira. Essential Skills: 2+ years of Python experience in a commercial environment, with strong asynchronous programming skills 2+ years of frontend development experience with React and modern JavaScript/TypeScript Demonstrated ability to build and maintain polished, responsive user interfaces Experience with REST More ❯

in an agile environment with cross-functional teams Qualifications Degree in Computer Science or related field 2+ years of backend development experience with Node.js Strong knowledge of TypeScript , async programming, and distributed systems Experience with microservices & event-driven architectures Skilled in writing unit and integration tests Experience with cloud platforms and CI/CD workflows Strong collaboration and problem More ❯

in an agile environment with cross-functional teams Qualifications Degree in Computer Science or related field 2+ years of backend development experience with Node.js Strong knowledge of TypeScript , async programming, and distributed systems Experience with microservices & event-driven architectures Skilled in writing unit and integration tests Experience with cloud platforms and CI/CD workflows Strong collaboration and problem More ❯

experience leading Android teams and mentoring developers. Deep expertise in Kotlin , Java , RxJava , and Jetpack Compose . Strong understanding of Android architecture patterns (including VIPER , MVVM, and Clean Architecture), asynchronous programming, and UI/UX best practices. Hands-on experience with CI/CD , automated testing ( JUnit , Espresso ), and DevOps workflows. Familiarity with Google Play Console , crash analytics More ❯

experience leading Android teams and mentoring developers. Deep expertise in Kotlin , Java , RxJava , and Jetpack Compose . Strong understanding of Android architecture patterns (including VIPER , MVVM, and Clean Architecture), asynchronous programming, and UI/UX best practices. Hands-on experience with CI/CD , automated testing ( JUnit , Espresso ), and DevOps workflows. Familiarity with Google Play Console , crash analytics More ❯

desktop applications. This role focuses on delivering robust, real-time solutions using modern JavaScript and interoperability standards. Key Responsibilities: Develop front-end components for high-performance desktop applications. Implement asynchronous JavaScript patterns for real-time, event-driven systems. Work with OpenFin APIs for window management and inter-application messaging. Ensure interoperability between applications using FDC3 standards. Optimize performance and … troubleshoot complex issues in production environments. Required Skills: Advanced proficiency in JavaScript, with strong knowledge of asynchronous programming (Promises, async/await, event-driven architecture). Hands-on experience with OpenFin APIs. Understanding of FDC3 protocols for secure, standardised communication. Strong debugging and performance optimisation skills. Familiarity with REST APIs and JSON. Ideal Candidate: Experienced in building complex More ❯

desktop applications. This role focuses on delivering robust, real-time solutions using modern JavaScript and interoperability standards. Key Responsibilities: Develop front-end components for high-performance desktop applications. Implement asynchronous JavaScript patterns for real-time, event-driven systems. Work with OpenFin APIs for window management and inter-application messaging. Ensure interoperability between applications using FDC3 standards. Optimize performance and … troubleshoot complex issues in production environments. Required Skills: Advanced proficiency in JavaScript, with strong knowledge of asynchronous programming (Promises, async/await, event-driven architecture). Hands-on experience with OpenFin APIs. Understanding of FDC3 protocols for secure, standardised communication. Strong debugging and performance optimisation skills. Familiarity with REST APIs and JSON. Ideal Candidate: Experienced in building complex More ❯

Looking For Strong Python backend experience (ideally Flask) Background in SaaS or data-driven products Experience with microservices, Postgres, and cloud platforms (GCP preferred) Bonus points for: Experience with asynchronous programming Interest in geospatial data, scientific computing, or AI integration Exposure to Ruby or data visualisation frameworks The Offer Salary up to £75,000 Fully remote (UK-based More ❯

Looking For Strong Python backend experience (ideally Flask) Background in SaaS or data-driven products Experience with microservices, Postgres, and cloud platforms (GCP preferred) Bonus points for: Experience with asynchronous programming Interest in geospatial data, scientific computing, or AI integration Exposure to Ruby or data visualisation frameworks The Offer Salary up to £75,000 Fully remote (UK-based More ❯

tailored solutions Experiment with and integrate the latest text and voice models at scale What you’ll bring: 2+ years of software engineering experience Proficiency in Python, TypeScript, and asynchronous programming Strong problem-solving ability and comfort working across deep technology stacks What makes you a strong applicant? (PLEASE READ) Computer Science degree from world top university (top More ❯

time data streams (e.g., WebSockets) in a mobile environment. Strong understanding of Android performance profiling tools and techniques to debug and optimize for latency. Experience with multi-threaded and asynchronous programming on Android. Preferred Qualification Advanced Education & Industry Experience Master's degree in Computer Science or a related field. Previous experience in the telecommunications, cybersecurity, or anti-fraud More ❯

time data streams (e.g., WebSockets) in a mobile environment. ? Strong understanding of Android performance profiling tools and techniques to debug and optimize for latency. ? Experience with multi-threaded and asynchronous programming on Android. Preferred Qualification Advanced Education & Industry Experience ? Master's degree in Computer Science or a related field. ? Previous experience in the telecommunications, cybersecurity, or anti-fraud More ❯

every day. We’re looking for: 👉🏼 3+ years’ commercial experience with React Native & React 👉🏼 Strong JavaScript/TypeScript development background 👉🏼 Solid knowledge of state management, REST APIs, HTTP, async programming 👉🏼 Hands-on experience integrating with AWS (Cognito, Amplify, S3) 👉🏼 Experience working with app stores (Apple/Google Play) 👉🏼 Ability to contribute to architecture, code quality, and best practices 👉🏼 Start More ❯

every day. We’re looking for: 👉🏼 3+ years’ commercial experience with React Native & React 👉🏼 Strong JavaScript/TypeScript development background 👉🏼 Solid knowledge of state management, REST APIs, HTTP, async programming 👉🏼 Hands-on experience integrating with AWS (Cognito, Amplify, S3) 👉🏼 Experience working with app stores (Apple/Google Play) 👉🏼 Ability to contribute to architecture, code quality, and best practices 👉🏼 Start More ❯

scalable, production-ready pipelines. Identify patterns across customers and feed those insights into platform improvements. Qualifications 2+ years’ experience in software engineering. Strong competence with Python and TypeScript , including asynchronous programming. Ability to debug across deep technical stacks: distributed systems, latency, failure modes, data flows. A strong academic background (top university or equivalent). Curiosity, ownership, and a bias More ❯