and proficient in English, written and spoken. Proficiency with TypeScript, Next.js, Node.js and React Native. Experience deploying to Google Cloud, Vercel, or other cloud providers. Comfort working across REST, WebSockets, GraphQL, or gRPC APIs. Ability to architect and maintain scalable, secure systems with a clean codebase. Experience working with CI/CD pipelines, version control (Git), and Agile methodologies. Organised More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Matillion Limited
one cloud platform: AWS, GCP, or Azure. Solid understanding of the Software Development Life Cycle and Agile methodologies (e.g., Kanban, Scrum). Knowledge of backend integration using REST APIs, WebSockets, or GraphQL, with appropriate data structures and stores. Desirable: Experience with CI/CD tools (e.g., Jenkins), Linux scripting, and modern CSS methodologies (e.g., BEM, SASS/SCSS). At More ❯
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom Hybrid / WFH Options
True North Group
other JS frameworks) Deep understanding of JavaScript/TypeScript (ES5 & ES6+) Solid grasp of HTML, CSS, performance optimization, and responsive design Comfortable working with RESTful APIs (bonus: NoSQL, GraphQL, Websockets) Familiarity with modern front-end build tools & pipelines A keen eye for UI/UX best practices Experience with front-end testing frameworks Awareness or experience with Accessibility standards Exposure More ❯
Loughborough, Leicestershire, England, United Kingdom Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
development experience with strong React expertise Proficiency in Tailwind CSS or similar utility-first frameworks Solid understanding of modern front-end development practices and tooling Experience with RESTful APIs, WebSockets, and modern testing methodologies Familiarity with AWS cloud platforms is a plus Knowledge of Python is highly desirable to collaborate with the AI team Comfortable working independently in early-stage More ❯
anomalydetection methods for streaming text and timeseries data Experience developing EVM smart contracts with Solidity and modern toolchains (Foundry or Hardhat). Experience with realtime subscription frameworks (GraphQL subscriptions, WebSockets) or gRPC streaming for live data updates Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Entertainment More ❯
Cambourne, Cambridgeshire, United Kingdom Hybrid / WFH Options
Remotestar
real-time bidding (RTB) systems, high-load marketplaces, or chat applications. - Build and optimize distributed systems, with a preference for experience in Actor patterns (optional). - Implement GraphQL and WebSockets where applicable (optional). - Utilize standard web frameworks like Gin or Echo. 3) DevOps and Automation: - Set up and manage CI/CD pipelines using Infrastructure as Code (IaC). More ❯
an expert at building web apps. You have a track record of building responsive and performant public facing web applications, with a solid understanding of HTTP protocols, REST APIs, websockets, DOM manipulation. You operate across the stack . You have significant experience working with relational databases, knowledge of web and service authentication and web security best practices. You can architect More ❯
and Kafka Demonstrated ability to scale production systems in cloud-native environments, familiarity with Kubernetes, NGINX, and container orchestration Experience building and maintaining real-time applications, including working with WebSockets and event-driven architectures Understands that solving problems means working across the stack from API development to frontend UIs and infrastructure-as-code Have built real-world systems that expose More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Connex
system You will be collaborating closely with the Data Science team, contributing to our AI offerings You will explore a diverse range of technologies, including AWS, Linux, Docker, PostgreSQL, WebSockets, APIs You will have exposure to other technologies such as Linux, Docker, AWS, PostgreSQL Your ideas will be highly valued in our collaborative team environment You will make a real More ❯
inner workings and best practices You excel at UI/UX design implementation experience, creating pixel-perfect, accessible interfaces You have a solid understanding of HTTP protocols , REST APIs , websockets , and DOM manipulation You understand web security best practices and frontend authentication patterns You have an eye for design and track record of creating intuitive and innovative interfaces You're More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Bitfinex
JavaScript and ES6+. Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these. Familiar with modern front-end pipelines and tools. Experienced with WebSockets, RESTful based APIs. Interested in bringing diverse, innovative applications to life. Interested in modernizing and optimizing different mobile or web applications. Knowledge in native languages (Swift/Kotlin) and familiarity More ❯
JavaScript and ES6+. Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these. Familiar with modern front-end pipelines and tools. Experienced with WebSockets, RESTful based APIs. Interested in bringing diverse, innovative applications to life. Interested in modernizing and optimizing different mobile or web applications. Knowledge in native languages (Swift/Kotlin) and familiarity 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 ❯
out and coordinate where possible Specific experience that will make you stand out from other candidates Experience with Next.JS Experience building highly interactive frontends, ideally text editors Experience with websockets What we offer Diverse and internationally distributed team : joining our team means becoming part of a large, global community with people of more than 90 nationalities. We're more than More ❯
experience in solution engineering or technical pre-sales, ideally in developer-first or infrastructure platforms. A working knowledge of event-driven systems, pub/sub messaging, and protocols like WebSockets, SSE, or MQTT. An ability to translate complex customer architectures into elegant, scalable solutions powered by Ably. Experience crafting tailored demos, prototypes, and PoCs that align with customer use cases More ❯
management, data masking, and audit logging. Translate UX/UI designs into modular, reusable components aligned with enterprise design systems. Integrate front-end applications with REST/GraphQL APIs, WebSockets, and backend services. Collaborate closely with AI engineers, backend developers, and cloud architects to deliver end-to-end solutions. Ensure compliance with cybersecurity and data privacy standards through secure coding … greenfield or innovation lab settings. Experience developing interactive UIs, dashboards, chat interfaces, and data visualisations for AI-powered tools. Skilled in integrating front-end applications with APIs (REST, GraphQL, WebSockets) and backend services. Deep understanding of front-end security practises (e.g., OWASP, CSP, input sanitization, role-based access). Familiarity with secure API design, token management, and data privacy obligations More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Pontoon
management, data masking, and audit logging. Translate UX/UI designs into modular, reusable components aligned with enterprise design systems. Integrate front-end applications with REST/GraphQL APIs, WebSockets, and backend services. Collaborate closely with AI engineers, backend developers, and cloud architects to deliver end-to-end solutions. Ensure compliance with cybersecurity and data privacy standards through secure coding … greenfield or innovation lab settings. Experience developing interactive UIs, dashboards, chat interfaces, and data visualisations for AI-powered tools. Skilled in integrating front-end applications with APIs (REST, GraphQL, WebSockets) and backend services. Deep understanding of front-end security practises (e.g., OWASP, CSP, input sanitization, role-based access). Familiarity with secure API design, token management, and data privacy obligations 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 ❯
Abingdon, Oxfordshire, United Kingdom Hybrid / WFH Options
Gardin
Location: Remote-first with offices in Milton Park, Abingdon. Initial onboarding will include some on-site time to collaborate with the team, then flexible arrangements based on your preferences and business need. Salary: Circa £25,000 (based on 12-month More ❯
Kirkham, Preston, Lancashire, England, United Kingdom Hybrid / WFH Options
GoFind Recruitment
Here at GoFind Recruitment, we are proud to be representing an industry leading and award winning Communication Systems business in their search for a skilled and driven Mobile Developer, based at their offices in Kirkham. You will be responsible for More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Bitfinex
Bitfinex is a digital asset trading platform offering state-of-the-art services for digital currency traders and global liquidity providers. Founded in 2012, Bitfinex was one of the first professional platforms set up to accommodate for the booming interest More ❯
Bitfinex is a digital asset trading platform offering state-of-the-art services for digital currency traders and global liquidity providers. Founded in 2012, Bitfinex was one of the first professional platforms set up to accommodate for the booming interest More ❯
Responsibilities Design, develop, and maintain high-performance, multi-threaded backend systems using Mainly Rust and be able to use Python. Collaborate with frontend engineers and other team members to integrate backend systems with user-facing components Write unit tests using 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 ❯