for authentication Experience with client-server architecture using REST and GraphQL protocols Hands-on experience building and maintaining scalable RESTful APIs using FastAPI, with a strong focus on performance, asynchronousprogramming, and clean architecture Good knowledge of relational and non-relational databases (DynamoDB, PostgreSQL) Experience building, testing, and deploying applications on AWS, with infrastructure managed via Terraform What More ❯
London, England, United Kingdom Hybrid / WFH Options
Formula Recruitment
for authentication Experience with client-server architecture using REST and GraphQL protocols Hands-on experience building and maintaining scalable RESTful APIs using FastAPI, with a strong focus on performance, asynchronousprogramming, and clean architecture Good knowledge of relational and non-relational databases (DynamoDB, PostgreSQL) Experience building, testing, and deploying applications on AWS, with infrastructure managed via Terraform What More ❯
Baltimore, Maryland, United States Hybrid / WFH Options
Plated Foodservice
systems and IoT devices. Expertise in building RESTful APIs and microservices architecture using Node.js, ensuring secure and efficient communication between software and hardware components in healthcare settings. Experience with asynchronousprogramming, event-driven architecture, and Node.js frameworks like Express or NestJS, with a focus on delivering robust and scalable solutions. Architecture and Design: Proven track record in designing More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hatch Talent
modern engineering practices. ✅ Key Skills & Experience of the Software Engineer (.NET Developer): .NET 8/9 and C# – strong grasp of modern .NET tooling and language features Object-Oriented Programming – well-structured, maintainable code is a must AsynchronousProgramming – proven experience writing performant async code in .NET TDD – confident with writing tests and working in a test More ❯
modern engineering practices. ✅ Key Skills & Experience of the Software Engineer (.NET Developer): .NET 8/9 and C# – strong grasp of modern .NET tooling and language features Object-Oriented Programming – well-structured, maintainable code is a must AsynchronousProgramming – proven experience writing performant async code in .NET TDD – confident with writing tests and working in a test More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Hatch Talent
modern engineering practices. ✅ Key Skills & Experience of the Software Engineer (.NET Developer): .NET 8/9 and C# – strong grasp of modern .NET tooling and language features Object-Oriented Programming – well-structured, maintainable code is a must AsynchronousProgramming – proven experience writing performant async code in .NET TDD – confident with writing tests and working in a test More ❯
best practices and coding standards. What do we expect from you? English B2+/C1. 5 years working as Java Developer Highly experienced developer with a strong understanding of asynchronousprogramming and systems. Strong proficiency in Java (version 8 or higher), with a solid understanding of its ecosystems. Experience with Java frameworks such as Spring, Spring Boot and More ❯
development. Solid knowledge of mobile platforms, notably iOS (Swift, Objective-C, UIKit, SwiftUI). Strong knowledge on testing and testing frameworks (Quick, XCUITest). Proven experience with API integration, asynchronousprogramming, and offline-first applications. Familiarity with mobile DevOps practices, including CI/CD pipelines for mobile apps. Strong troubleshooting and debugging, performance optimization, and problem-solving skills. … or active involvement in developer communities (such as meetup).Knowledge of security best practices for mobile applications. Required soft skills: Strong decision-making and communication skills. Strong written and asynchronous communication skills. Ability to manage competing priorities in a fast-paced environment. Collaborative mindset and a commitment to high-quality software delivery. Why you should join Contentsquare We invest More ❯
Bournemouth, Dorset, United Kingdom Hybrid / WFH Options
Passenger Technology Group Ltd
experience with web frameworks such as React, Vue or Ember. You will be aware of API best practices, including RESTful principles, HTTP status codes and caching. With experience in asynchronousprogramming techniques, state management, which includes client-side storage and dependency management. You will be used to working in a test-driven environment, with this written into development More ❯
London, England, United Kingdom Hybrid / WFH Options
commercetools
on-call rotation (with the worldwide distributed team) for production systems What you need to succeed: Experience as a full stack engineer with Typescript Solid understanding of parallel and asynchronousprogramming, as well as non-blocking I/O Experience in developing REST API's and knowledge of scalable architectures Knowledge of document databases (MongoDB) and API interaction More ❯
London, England, United Kingdom Hybrid / WFH Options
Intellect Group
Backend : Python (FastAPI, SQLAlchemy, Pydantic, Alembic, Mypy, Ruff, Pytest) About You: 1–4 years’ experience in a full-stack or backend-heavy development role. Strong knowledge of Python, async programming, microservices, and cloud-native design. Experience with clean code, testing (PyTest, TypeScript testing a bonus), and code reviews. Enthusiastic about scalable software design, documentation, and learning new technologies. A More ❯
of mind. Extra brownie points if you: Have experience with SaaS products running 24/7 on a major cloud vendor. Solid understanding of RESTful APIs, microservices architecture, and asynchronous programming. Experience with testing frameworks (Jest, Mocha, Chai, Storybook, React Testing Library) and automated testing methodologies (Cypress). Knowledge of containerization technologies (Docker, Kubernetes) Total Rewards Our workforce deserves 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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Radley James
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 ❯
London, England, United Kingdom Hybrid / WFH Options
Canonical
code and architectural review Engage with the open source community and commercial partners What we are looking for in you Experience with distributed systems (preferably with Raft) Good C programming experience Solid understanding of asynchronousprogramming and concurrency patterns a plus Capacity to learn quickly about new systems and techniques Strong written and verbal communication skills Bachelor More ❯
London, England, United Kingdom Hybrid / WFH Options
commercetools GmbH
the worldwide distributed team) for production systems What you need to succeed: Proven experience as a Backend Engineer developing server-side systems on the JVM Solid understanding of functional programming Solid understanding of parallel and asynchronousprogramming, as well as non-blocking I/O Experience in developing REST API’s and knowledge of scalable architectures Fluent More ❯
London, England, United Kingdom Hybrid / WFH Options
commercetools
on-call rotation (with the worldwide distributed team) for production systems What you need to succeed: Experience as a full stack engineer with Typescript Solid understanding of parallel and asynchronousprogramming, as well as non-blocking I/O Experience in developing REST API’s and knowledge of scalable architectures Knowledge of document databases (MongoDB) and API interaction More ❯
Slough, England, United Kingdom Hybrid / WFH Options
TieTalent
and impact. Strong knowledge of architectural concepts and cloud-native technologies. Advanced experience with CI/CD, Agile, and software processes. Deep understanding of core topics such as async programming, HTTP, memory management, performance optimization, profiling, and debugging. Experience across multiple tech stacks. Problem-solving mindset with a positive approach. Experience working at enterprise scale for throughput and reliability. More ❯
London, England, United Kingdom Hybrid / WFH Options
Affinidi
documentation, and onboarding. Maintain and contribute to open-source SDKs, engaging with the community. Are proficient in Dart/Flutter and familiar with its ecosystem, including state management and asynchronous programming. Have experience with multi-platform development using Flutter for web, mobile, and desktop. Have native mobile development experience on at least one platform (iOS or Android). Are More ❯
environment. Role Highlights Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronousprogramming for real-time scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. Key Requirements 6+ years with extensive hands-on experience in Core … Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading, low-latency solutions, and data stream management. Strong understanding and practical expertise in asynchronous techniques. A degree in Computer Science, Engineering, or a related discipline is desirable. Benefits Up to £150k, depending on experience (6+ Years) Fully remote working Access to a robust pension scheme. More ❯
Basingstoke, England, United Kingdom Hybrid / WFH Options
Understanding Recruitment
environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java , without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronousprogramming for real-time scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. Key Requirements ✅ 6+ years with extensive hands-on experience in Core … Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading, low-latency solutions, and data stream management. Strong understanding and practical expertise in asynchronous techniques. A degree in Computer Science, Engineering, or a related discipline is desirable. Benefits 🌈 Up to £150k, depending on experience (6+ Years) 💸 Fully remote working 🏡 Access to a robust pension scheme. More ❯
environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronousprogramming for real-time scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. Key Requirements ✅ Compulsory: A PhD in Computer Science and the ability … and data stream management. Strong knowledge of Advanced Computer Science Principles, Compiler Theory and Graph Theory to drive innovation in the GreenTech sector. Strong understanding and practical expertise in asynchronous techniques. Benefits 🌈 Up to £150k, depending on experience (6+ Years) 💸 Fully remote working 🏡 Access to a robust pension scheme. 💰 Health insurance coverage. 🚑 Why Apply? 🌟 This is your chance to More ❯
environment. Role Highlights Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronousprogramming for real-time scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. Key Requirements Compulsory: A PhD in Computer Science and the ability … and data stream management. Strong knowledge of Advanced Computer Science Principles, Compiler Theory and Graph Theory to drive innovation in the GreenTech sector. Strong understanding and practical expertise in asynchronous techniques. Benefits Up to £150k, depending on experience (6+ Years) Fully remote working Access to a robust pension scheme. Health insurance coverage. Why Apply? This is your chance to More ❯
environment. Role Highlights Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronousprogramming for real-time scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. Key Requirements Compulsory: A PhD in Computer Science and the ability … and data stream management. Strong knowledge of Advanced Computer Science Principles, Compiler Theory and Graph Theory to drive innovation in the GreenTech sector. Strong understanding and practical expertise in asynchronous techniques. Benefits Up to £150k, depending on experience (6+ Years) Fully remote working Access to a robust pension scheme. Health insurance coverage. Why Apply? This is your chance to More ❯
environment. Role Highlights Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronousprogramming for real-time scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. Key Requirements Compulsory: A PhD in Computer Science and the ability … and data stream management. Strong knowledge of Advanced Computer Science Principles, Compiler Theory and Graph Theory to drive innovation in the GreenTech sector. Strong understanding and practical expertise in asynchronous techniques. Benefits Up to £150k, depending on experience (6+ Years) Fully remote working Access to a robust pension scheme. Health insurance coverage. Why Apply? This is your chance to More ❯