Asynchronous Programming Jobs in London

1 to 25 of 30 Asynchronous Programming Jobs in London

Backend Python Engineer

London, England, United Kingdom
Hybrid/Remote Options
Harnham
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 ❯
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Backend Python Engineer

London, South East, England, United Kingdom
Hybrid/Remote Options
Harnham - Data & Analytics Recruitment
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 ❯
Employment Type: Contractor
Rate: £650 - £800 per day
Posted:

Senior AI Engineer

London, South East, England, United Kingdom
Chambers and Partners
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 ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Senior Backend Software Engineer

London, United Kingdom
Hybrid/Remote Options
Experis
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 ❯
Employment Type: Permanent
Posted:

Back End Developer

London Area, United Kingdom
Hybrid/Remote Options
Experis
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 ❯
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Back End Developer

City of London, London, United Kingdom
Hybrid/Remote Options
Experis
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 ❯
Posted:

Senior Backend Software Engineer – Node.JS

City of London, London, United Kingdom
Experis UK
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 ❯
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Senior Backend Software Engineer – Node.JS

London Area, United Kingdom
Experis UK
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 ❯
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Senior Frontend Developer

London Area, United Kingdom
Osmii
ES6+), HTML5, and CSS3. Experience with state management libraries (e.g., Redux, Context API). Familiarity with testing frameworks (e.g., Jest, React Testing Library). Understanding of RESTful APIs and asynchronous programming. Experience working with version control systems (e.g., Git). Ability to work independently and as part of a collaborative team. Strong problem-solving and debugging skills. Exposure to More ❯
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Senior Frontend Developer

City of London, London, United Kingdom
Osmii
ES6+), HTML5, and CSS3. Experience with state management libraries (e.g., Redux, Context API). Familiarity with testing frameworks (e.g., Jest, React Testing Library). Understanding of RESTful APIs and asynchronous programming. Experience working with version control systems (e.g., Git). Ability to work independently and as part of a collaborative team. Strong problem-solving and debugging skills. Exposure to More ❯
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iOS Developer

City, London, United Kingdom
Hybrid/Remote Options
Red - The Global SAP Solutions Provider
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 ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Senior AI Engineer

London Area, United Kingdom
Hybrid/Remote Options
Revoco
services; mentor junior engineers; stay updated with AI/ML and domain trends. Skills & Experience: - Demonstrated hands-on experience building production AI/LLM applications. - Strong Python, API design, asynchronous programming, and integration skills. - Experience with ML/LLM frameworks (PyTorch, TensorFlow, scikit-learn, LangChain/LangGraph, LlamaIndex). - Familiarity with cloud deployment (Azure), CI/CD, Infrastructure More ❯
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Senior AI Engineer

City of London, London, United Kingdom
Hybrid/Remote Options
Revoco
services; mentor junior engineers; stay updated with AI/ML and domain trends. Skills & Experience: - Demonstrated hands-on experience building production AI/LLM applications. - Strong Python, API design, asynchronous programming, and integration skills. - Experience with ML/LLM frameworks (PyTorch, TensorFlow, scikit-learn, LangChain/LangGraph, LlamaIndex). - Familiarity with cloud deployment (Azure), CI/CD, Infrastructure More ❯
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C++ Quantitative Developer - C+/20 | Linux | Low-Latency | Equities | Python - Permanent

London, United Kingdom
Scope AT Limited
Lead) to design and implement ultra-low-latency trading systems within a fast-paced equities technology environment. Key Skills & Experience: Strong C++ (11/17/20+) with Multithreading & asynchronous programming. Deep knowledge of Linux internals & networking . Experience with low-latency, Real Time trading systems . Background in equities trading/execution algorithms . Familiarity with Python for More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Founding Python Engineer

London Area, United Kingdom
Hybrid/Remote Options
Corecom Consulting
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 ❯
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Founding Python Engineer

City of London, London, United Kingdom
Hybrid/Remote Options
Corecom Consulting
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 ❯
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Software Engineer

Greater London, England, United Kingdom
Denu Recruit
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 ❯
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Senior Engineer

City of London, London, United Kingdom
Albany Growth
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 ❯
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Senior Engineer

London Area, United Kingdom
Albany Growth
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 ❯
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Head of Applications

London, South East, England, United Kingdom
Hybrid/Remote Options
Xact Placements Limited
React, Typescript Database: MySQL Cloud/Infra: AWS, ECS, K8s, Airflow, Kafka, Serverless Solid understanding of SaaS fundamentals: onboarding, authentication, SSO, granular authorisation, multi-tenancy Familiarity with workflow orchestration, asynchronous tasks, and event-driven architecture Ideally, exposure to cybersecurity platforms or large-scale security data systems Why join? Competitive compensation & benefits Key leadership role in a high-growth cybersecurity More ❯
Employment Type: Full-Time
Salary: £100,000 - £110,000 per annum
Posted:

Head of Engineering

London, South East, England, United Kingdom
Hybrid/Remote Options
Xact Placements Limited
React, Typescript Database: MySQL Cloud/Infra: AWS, ECS, K8s, Airflow, Kafka, Serverless Solid understanding of SaaS fundamentals: onboarding, authentication, SSO, granular authorisation, multi-tenancy Familiarity with workflow orchestration, asynchronous tasks, and event-driven architecture Ideally, exposure to cybersecurity platforms or large-scale security data systems Why join? Competitive compensation & benefits Key leadership role in a high-growth cybersecurity More ❯
Employment Type: Full-Time
Salary: £100,000 - £110,000 per annum
Posted:

Lead React Developer

london, south east england, united kingdom
Mastercard
support customer integrations on occasion All About You 8+ years professional, hands-on, frontend application development experience. Expert React ES6 Javascript and Typescript skills including areas of functional and asynchronous programming. Expert CSS development knowledge and experience with both native and using frameworks e.g. bootstrap, tailwind, mui, etc. Strong working knowledge of , NPM, Webpack and Jest. Knowledge of NextJS More ❯
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Lead Mobile Developer

London Area, United Kingdom
Hybrid/Remote Options
Intellect Group
culture Work closely with product & backend teams to deliver mobile-first features What we’re looking for 5+ years in mobile dev, 3+ years with Flutter Strong Dart, async programming, and architecture patterns (BLoC, Clean, MVC) Experience with APIs, push notifications, Git, and app store release flows Great communicator and leader who can align tech with business goals What More ❯
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Lead Mobile Developer

City of London, London, United Kingdom
Hybrid/Remote Options
Intellect Group
culture Work closely with product & backend teams to deliver mobile-first features What we’re looking for 5+ years in mobile dev, 3+ years with Flutter Strong Dart, async programming, and architecture patterns (BLoC, Clean, MVC) Experience with APIs, push notifications, Git, and app store release flows Great communicator and leader who can align tech with business goals What More ❯
Posted:

Full Stack Engineer - Up to £260k per year

London Area, United Kingdom
Oliver Bernard
a genuine high growth startup environment at Seed to Series C • Strong academic background in Computer Science from a top university • Python expertise with strong TypeScript proficiency • Comfortable with asynchronous programming • Track record of delivering high impact projects or building fast scaling products • Experience building or integrating AI products • Clear motivation for a high ownership, office based, rapid More ❯
Posted:
Asynchronous Programming
London
10th Percentile
£52,000
25th Percentile
£58,750
Median
£70,000
75th Percentile
£101,250
90th Percentile
£120,000