London, South East, England, United Kingdom Hybrid / WFH Options
Avanti
experiences Skills & Experience Essential: 3+ years’ commercial experience in React/Next.js development Strong TypeScript and modern JavaScript (ES6+) skills Experience with Tailwind CSS or similar frameworks Familiarity with WebSockets and real-time data integration Working knowledge of Node.js or Go Experience managing AWS environments, deployments, and pipelines Desirable: Experience in sports data, gaming, or live media applications Knowledge of More ❯
engineering best practices. Requirements Strong experience with Node.js, TypeScript (NestJS), PostgreSQL, AWS, and Redis. Experience with containerization and orchestration using Kubernetes (K8s). Experience with various communication protocols: REST, WebSockets, Server-Sent Events (SSE), etc. Familiarity with IPFS and distributed storage systems. Experience with ethers.js and Web3 libraries for blockchain interaction. Experience with microservices architecture. Strong understanding of database design More ❯
Strong experience with React, TypeScript, Redux, Apollo Client , and GraphQL/REST APIs . Experience working in a cloud-native environment ( AWS or Azure ). Familiarity with data streaming (WebSockets, chunked responses) and front-end performance optimisation . Strong understanding of testing frameworks (unit, integration, E2E) - Playwright experience a plus. Bonus points for knowledge of Material UI or other design More ❯
and a component-led design system (e.g. Shadcn/UI or similar). Work with real-time data and streaming endpoints , integrating AI-powered features into the frontend using WebSockets and SDKs. Implement secure user flows with OAuth-based authentication and token/session handling. Optimise performance and delivery using techniques like code splitting, lazy loading, and CDN-aware strategies. More ❯
modern standards Desirable Skills Experience with React or Vue.js Familiarity with AI tools/APIs (e.g., OpenAI, Hugging Face) Exposure to CI/CD pipelines Experience with Meilisearch and WebSocketsMore ❯
RESTful APIs for mobile or web clients. Deep experience with distributed systems, microservices architecture, and event-driven patterns. Demonstrated experience with real-time applications and data streaming technologies (e.g., WebSockets, gRPC, Kafka). Experience integrating third-party AI/ML APIs (e.g., LLMs, STT/TTS, or other complex services) into production systems. Experience with containerization (Docker, Kubernetes) and deploying More ❯
industrial, or data-heavy applications) Strong Knowledge of Typescript, Javascript, Node, Express, Python. Frontend experience with React, Nextjs Electron Docker, Kubernetes, CI/CD Knowledge of IoT protocols (MQTT, WebSockets) Interest in AI/ML integration Great role within a growing company. You'll be working on real R&D projects and products that impact on a wide range of More ❯
or similar backend frameworks Confident with MySQL and Git Good communicator and team player Eager to learn and improve Nice to Have Mobile dev (Ionic/Cordova) Redis, BullMQ, WebSockets Docker, CI/CD experience Tech Stack Angular, React, Node.js/Nest.js, PHP (Yii), MySQL, Redis, Ionic, Docker, Kubernetes, AWS, BullMQ, CI/CD pipelines Benefits More ❯
Speed of action: Experience from within a Fintech or scaling tech-based firm Any experience of the following would also be an advantage: Familiarity with real‐time data handling (WebSockets, SignalR) Knowledge of CI/CD pipelines and DevOps practices Understanding of accessibility standards (WCAG) and responsive design More ❯
direction. Help define and implement end-to-end testing and deployment strategies. Tech Stack: Frontend: React (Remix, SSR, and modern frameworks) Backend: Node.js, REST APIs, JSON:API standards Realtime: WebSockets, CRDTs (Yjs) Tooling: Tiptap, ProseMirror, CLI, IDE extensions Infra: CI/CD pipelines, Kubernetes, AWS What You Bring: 6+ years building complex products in collaborative, cross-functional teams. Experience working More ❯
containers. Experience using other programming languages such as C# or Python. A basic understanding of UI/UX, designing and following a design. Knowledge of communication techniques (i.e., RestAPI, WebSockets, MQTT, etc.) Experience using Git and versioning control. Strong understanding of software design methodologies. Must be detail-oriented and organised and be able to handle a variety of tasks in More ❯
explaining technical concepts and collaborating effectively with team members across disciplines Nice to Have Familiarity with other languages (such as Python) Experience with various AWS cloud products Understanding of WebSockets An interest in data analysis Experience with the wider Laravel ecosystem (such as Nightwatch, Forge, Spatie packages) Working experience of interacting on a software development project management system, such as More ❯
such as DevOps (Kubernetes) and Front end development (ReactJS modifications) Experience working with AWS Experience influencing the architecture and design of applications Tech Stack - Python, ReactJS, Kubernetes, APi's, websockets, AWS Contract Python Fullstack Software Engineer £600-£800/day IR35 Exempt More ❯
Experience building real-time or streaming systems, or systems with very high throughput demands. Experience influencing the architecture and design of applications Tech Stack - Python, ReactJS, Kubernetes, APi's, websockets, AWS Staff Software Engineer GO/Python £600-£800/day Outside IR35 More ❯
modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies (WebSockets, FIX, etc.) Familiarity with containerized front-end platforms such as OpenFin is a plus Prior exposure to Fixed Income products (Rates, Credit, Bonds) or other capital markets Experience in data More ❯
Pre-trade analytics (liquidity/pricing/scenario/what-if) and risk calculation services used in real time on the desk. Low-latency data services and streaming APIs (WebSockets/gRPC etc.) for live market and risk data. High-performance trader-facing UIs: time series views, blotters, RFQ/axe views, portfolio & risk dashboards. End-to-end systems: you More ❯
Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
ByteHire
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 ❯
developing with: Relational databases (PostgreSQL, MySQL, etc.) OpenSearch DynamoDB S3 Event-driven architectures Third-party API integration Access control and user permissions Implementing APIs used by single-page applications WebSockets Infrastructure as code (AWS CDK, Terraform, etc.) Docker AWS IoT What we’re looking for Circa 2 years of commercial or equivalent experience in a software development role building cloud More ❯
experience, tooling, and mentoring. Degree in Computer Science or equivalent experience. Bonus points for: Open source contributions to front-end tooling, design systems, or data-visualisation libraries. Experience with WebSockets, PWAs, offline support, or design-token pipelines. How They Work Speed with craftsmanship: Continuous delivery, short feedback loops, and peer review excellence. Performance first: Time-to-Interactive, bundle size, and More ❯
understanding of front-end architecture principles, including state management patterns (such as Redux or Context API) and responsive design techniques for optimal usability across devices. Hands-on familiarity with WebSockets, real-time messaging protocols, REST APIs, and micro-frontend architectural patterns to enable seamless system integration. Experience in financial services ideally trading environment Excellent communication skills A track record of More ❯
Contribute to platform modernisation, helping define long-term technology direction Key Requirements: Strong expertise in React, TypeScript, and modern web technologies Proven experience building real-time, event-driven systems (WebSockets, Web Workers, asynchronous data flow) Solid background in backend development, ideally with Java, REST APIs, and messaging frameworks Deep understanding of architecture and system design, including distributed and low-latency More ❯
Motorola Solutions values your privacy .Senior Software Engineer page is loaded Senior Software Engineerlocations: Edinburgh, UK (ZUK129)time type: Full timeposted on: Posted Todayjob requisition id: R58468 Company Overview At Motorola Solutions, we believe that everything starts with our people. More ❯
their current mobile capabilities as well as work on new projects for new MVPs. Skills Required : Android with Kotlin MVVM Architecture Koin - Dependency Injection Ktor - we use it for websockets Retrofit - client http requests Kotlin Serialization XML - for the views with partial data binding - we're trying to migrate from it completely. View Binding Kotlin Flows. Coroutines. Unit Testing JUnit4 More ❯
Do you love building scalable applications and working with modern PHP frameworks? Are you excited by the chance to develop a fast-growing SaaS platform and see the direct impact of your work? We’re supporting a dynamic tech-driven More ❯
