customer reasons. Help drive DevOps maturity: automate deployments, and monitor systems. Collaborate with stakeholders to influence product direction and operational strategies. Company Tech Stack: Backend: PHP (Laravel) APIs (OAuth) WebSockets Node.js (used in Electron apps) Frontend: PHP server-side rendering (Laravel Blade), Vue.js, Bootstrap, JavaScript Databases: MySQL (RDS), MSSQL Redis (ElasticCache) Heavy data compliance: audit logging, long-term data retention More ❯
Senior Backend Developer If you're a seasoned backend developer craving more impact than just turning around tickets, this is your chance to join a trailblazing SaaS innovator where automation and AI tools are not a concept, they’re already More ❯
XiP is building a next-generation cross-asset calculation system for Citi trading desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs. Team & Role Overview Our team owns More ❯
joining a high-performing backend team working in a Node.js and TypeScript monorepo. You'll design and scale services via REST and GraphQL APIs, build real-time functionality over websockets, and ship robust production-ready features in a collaborative, remote-first environment. What You'll Be Doing Craft scalable backend solutions using modern tooling and APIs Collaborate with engineers, product More ❯
North West London, London, United Kingdom Hybrid / WFH Options
ByteHire
Job Role: Product Engineer (backend C# .net core) Reference: BH-355p Job Type: Permanent Location: Hybrid, West Hampstead, London (2 days/week in-office) Salary: up to £75-£85k per annum About The Client: Our client builds AI-driven More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
ByteHire
Job Role: Product Engineer (backend C# .net core) Reference: BH-355p Job Type: Permanent Location: Hybrid, West Hampstead, London (2 days/week in-office) Salary: up to £75-£85k per annum About The Client: Our client builds AI-driven More ❯
We aim to bring innovation to all our products and those of our clients. We are seeking a talented React Native Developer for various projects. If you're eager to be part of a successful team, BAP is a great More ❯
west london, south east england, United Kingdom Hybrid / WFH Options
ByteHire
Job Role:Product Engineer (backend C# .net core) Reference: BH-355p Job Type: Permanent Location: Hybrid, West Hampstead, London (2 days/week in-office) Salary: up to £75-£85k per annum About The Client: Our client builds AI-driven More ❯
North Acton, England, United Kingdom Hybrid / WFH Options
ByteHire
Job Role: Product Engineer (backend C# .net core) Reference: BH-355p Job Type: Permanent Location: Hybrid, West Hampstead, London (2 days/week in-office) Salary: up to £75-£85k per annum About The Client: Our client builds AI-driven More ❯
The Structured Documents team (Structured Modes stream) is seeking a highly skilled and passionate FullStack Software Engineer to join our team responsible for the structured formats at Miro. Our platform empowers millions of users daily to visually collaborate, brainstorm, and More ❯
Cambourne, Cambridgeshire, United Kingdom Hybrid / WFH Options
Remotestar
Remote working is the new norm. Do you want to avoid a daily commute, reduce stress, achieve work-life balance, spend more time with your family, be more creative and improve productivity? At RemoteStar, we follow a remote-first work More ❯
Job Role:Product Engineer (backend C# .net core) Reference: BH-355p Job Type: Permanent Location: Hybrid, West Hampstead, London (2 days/week in-office) Salary: up to £75-£85k per annum About The Client: Our client builds AI-driven More ❯
london, south east england, united kingdom Hybrid / WFH Options
ByteHire
Job Role:Product Engineer (backend C# .net core) Reference: BH-355p Job Type: Permanent Location: Hybrid, West Hampstead, London (2 days/week in-office) Salary: up to £75-£85k per annum About The Client: Our client builds AI-driven More ❯
Engineer, you must have the following experience: 10+ commercial experience as a Frontend Developer Architecting and developing desktop and mobile interfaces React, React Native, Redux, React Hooks CSS, Typescript, Websockets, REST APIs Leading cross-functional teams to drive product launches and realise end-to-end solutions Bonus points : understanding of trading interfaces, financial experience, blockchain knowledge, start-up experience With More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Understanding Recruitment
Engineer, you must have the following experience: 10+ commercial experience as a Frontend Developer Architecting and developing desktop and mobile interfaces React, React Native, Redux, React Hooks CSS, Typescript, Websockets, REST APIs Leading cross-functional teams to drive product launches and realise end-to-end solutions Bonus points : understanding of trading interfaces, financial experience, blockchain knowledge, start-up experience With More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Apollo Solutions
Develop real-time systems that support complex broadcast technology solutions. Collaborate with internal teams to ensure scalability , maintainability , and performance of the software. Work on networking protocols (UDP, TCP, WebSockets) to handle real-time data and API development for system integration. Support integration with third-party systems and collaborate with external vendors. Participate in Agile sprints , code reviews , and retrospectives … or device drivers). Proficient in Windows application development (experience with Visual Studio is essential). Solid understanding of multithreaded programming , real-time systems , and networking protocols (UDP, TCP, WebSockets). Experience working with RESTful APIs and system integration. Familiarity with Agile methodologies and collaborative development environments (Jira, BitBucket, etc.). Knowledge of performance optimisation techniques in software applications. Desirable More ❯
Cambourne, Cambridgeshire, United Kingdom Hybrid / WFH Options
Remotestar
Remote working is the new norm. It's not just for pandemics. Do you want to avoid a daily commute, reduce stress, achieve a work-life balance, spend more time with your family/friends, be more creative, and improve More ❯
The Original Bitcoin Exchange Inspired by Bitcoin's vision of financial freedom, we are committed to empowering individuals to transact and connect seamlessly across the globe. From the early days of the Bitcoin revolution, our mission has been to champion More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Apollo Solutions
English Start Date: ASAP Interview Stages: 1 Stage Day Rate: £(Negotiable & Competitive) Core Responsibilities: Work on low-latency, multithreaded applications Develop and maintain networking protocols including UDP, TCP, and WebSockets Implement and document RESTful APIs, utilising Swagger for documentation Interface with third-party devices and write necessary drivers Collaborate with the team to reduce a backlog of drivers and help … a development environment utilising Windows, Visual Studio, Jira, BitBucket, and TeamCity Essential Skills: Strong experience in C++ , particularly with multithreaded, low-latency applications Familiar with networking protocols (UDP, TCP, WebSockets) Experience with Swagger documentation and implementing RESTful APIs Comfortable with driver writing and interfacing with third-party devices Familiar with development environments including Windows and Visual Studio Experience with Jira More ❯
for best practices Partner with engineering leadership to scale mobile capabilities and contribute to hiring efforts Our Technology Stack Kotlin/Java Jetpack Compose RxJava/Coroutines Proto3/WebSockets/REST APIs Flutter (as a cross-platform addition) CI/CD Pipelines What You'll Need 6+ years of professional Android development experience Strong knowledge of the Android SDK … Jetpack Compose, and MVP/MVVM architecture Solid experience with Kotlin Coroutines, RxJava, and Java concurrency Proficiency with dependency injection frameworks Experience building apps that consume HTTP APIs, WebSockets, and Protocol Buffers (proto3) Confidence in writing and maintaining UI tests Clear and professional English communication (B2+ level or higher) Proven leadership or management experience within a mobile team Nice to More ❯
Wokingham, Berkshire, United Kingdom Hybrid / WFH Options
EVS Broadcast Equipment SA
improvement of development processes and tools Profile Bachelor or Master's degree in computer science or equal Technical Skills: 5 years plus experience in C++ Experience in RESTful APIs, WebSockets, UDP and TCP Experience of tools such as WireShark and Postman Experience of working in large multithreaded codebase Experience in software development on Windows Experience in software design and architecture More ❯
About the company Our client develops solutions for athletes, organizations, and events to support them in creating the best sports experiences. With offices all around the globe, they gather performance data and turn this into useful insights and fun using More ❯
to design, build, and ship fast. Set the groundwork for future hires and engineering culture. 💡 Tech Stack Frontend & Backend: Next.js, Node.js Infrastructure: MongoDB Atlas, Heroku Tools: Auth0, AWS S3, WebSockets AI & Voice: OpenAI, Twilio, ElevenLabs 👀 About You Senior full-stack engineer with startup experience. Strong architectural instincts and scalable systems know-how. Clean, maintainable coding style with performance in mind. More ❯
City Of Westminster, London, United Kingdom Hybrid / WFH Options
client server
Go Developer/Backend Software Engineer (Golang API Messaging) London/WFH to £100k Are you a senior, backend focussed Software Engineer with strong Go/Golang coding skills and real-time messaging experience? You could be progressing your career More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
Go Developer/Backend Software Engineer (Golang API Messaging) London/WFH to £100k Are you a senior, backend focussed Software Engineer with strong Go/Golang coding skills and real-time messaging experience? You could be progressing your career More ❯