22 of 22 Permanent WebSockets Jobs in England

applications using TypeScript (Node.js & React) Collaborate with DevOps teams on CI/CD pipelines, infrastructure, and observability Work with technologies including Redis, MS SQL, WebSockets Contribute to automated testing using Jest and Playwright Participate in code reviews and uphold engineering best practices Engage directly with stakeholders to understand and shape ...

JavaScript/Typescript (Node.js, React), Bash, Python, SQL Platforms: Linux (edge/embedded), GitHub (CI/CD), Docker Data Systems: MySQL, InfluxDB, REST APIs, WebSockets Architecture: Microservices, event-driven systems, infrastructure-as-code, observability/logging Projects you could work on Scalable monitoring tools to help energy asset managers ...

applications using TypeScript (Node.js & React) Collaborate with DevOps teams on CI/CD pipelines, infrastructure, and observability Work with technologies including Redis, MS SQL, WebSockets Contribute to automated testing using Jest and Playwright Participate in code reviews and uphold engineering best practices Engage directly with stakeholders to understand and shape ...

features across the entire stack: Designing, building, and maintaining features for an internal trading platform Working with: TypeScript, Node.js, React, Redis, MS SQL, WebSockets Docker, Kubernetes, GitHub Actions, Jest, Playwright Grafana, Prometheus, SonarQube Taking end‐to‐end responsibility from design → production Collaborating closely with platform/DevOps engineers Enhancing observability ...

applications using TypeScript (Node.js & React) Collaborate with DevOps teams on CI/CD pipelines, infrastructure, and observability Work with technologies including Redis, MS SQL, WebSockets Contribute to automated testing using Jest and Playwright Participate in code reviews and uphold engineering best practices Engage directly with stakeholders to understand and shape ...

engineering workflows Tech Stack You’ll primarily be working with: TypeScript (Node.js & React) Monorepo tooling, GitHub, GitHub Actions Jest, Playwright Redis, MS SQL, WebSockets Docker, Kubernetes Observability tooling (Grafana, Prometheus, SonarQube) Requirements 8+ years of professional software development experience 3+ years hands-on TypeScript experience , including Node.js and React Strong ...

moving between frontend, backend and infrastructure Experienced designing and implementing AWS-based architectures using IaC Confident building scalable, low-latency real-time systems (e.g. WebSockets, event-driven systems) A collaborative team player who values paired programming and knowledge sharing An articulate communicator with strong analytical thinking Calm and solutions-focused ...

know everything listed, but strong fundamentals are essential. Must-Haves React JavaScript/TypeScript Node.js Git Nice-to-Haves Redis DynamoDB Postgres or MySQL WebSockets AWS services (CloudFront, ECS, Lambda, S3, EC2, ElastiCache) Docker CI/CD pipelines Unit testing Infrastructure tooling (e.g. Pulumi) Build tools such as Vite ...

high- performance trading platform . Work primarily with: TypeScript ( Node. js & React) Monorepo tooling, GitHub, GitHub Actions Jest, Playwright Redis, MS SQL, WebSockets Docker, Kubernetes Observability tools ( Grafana, Prometheus, SonarQube) Take end- to- end ownership of features from design to production. Collaborate closely with platform and DevOps engineers on build ...

composable frontend systems to accelerate delivery across a distributed ecosystem. Development: Deliver high-stakes UI components, reactive state management, and real-time data handling (WebSockets/SSE) using TypeScript . Technical Design: Lead framework decisions and navigate trade-offs between performance, UX, and maintainability. Engineering Excellence: Drive standards through rigorous ...

contributing to how the system evolves. Responsibilities: Building and maintaining full-stack features using TypeScript, Node.js and React Working on real-time systems using WebSockets, Redis and SQL Driving high-quality engineering through automated testing (Jest, Playwright) Collaborating closely with DevOps on observability, pipelines and system performance Taking ownership from ...

Senior React Engineer - £700 - £800 p/day – On-site (Central London) Overview We are hiring a Senior React Engineer to join a high-performance technology team within a leading financial services organisation operating in ...

software systems Strong understanding of software design and architecture Experience building or integrating RESTful APIs Understanding of network communication protocols (TCP/UDP/WebSockets) Experience developing on Windows Strong debugging and troubleshooting skills You should also be someone who: Enjoys understanding complex technical domains Takes a pragmatic and proactive ...

experience interacting with LLM APIs (OpenAI, Anthropic, etc.) and understanding concepts like Context Windows, RAG, System Prompts, and Temperature Concurrency: Understanding of asynchronous programming (WebSockets, goroutines) is highly beneficial given the real-time nature of voice data Benefits: 25 Days Holiday Birthday Day Off Buy Holiday Scheme Cycle to Work ...

We have a current opportunity for a React Developer on a permanent basis. The position will be based in London. For further information about this position please apply. - 10+ years engineering; 5+ years building production ...

We have a current opportunity for a React Developer on a permanent basis. The position will be based in London. For further information about this position please apply. The Opportunity The ETrading Terminal is the ...

Front End Developer - FinTech - Newcastle (Tech stack: Front End Developer, React, TypeScript, Websockets, SignalR, Containers, Orchestration, UX, Usability, Programmer, Developer, Architect, Front End Developer) Our client is a cutting-edge FinTech company with a reputation for innovation and excellence. They design and build advanced trading and analytics platforms used globally … Science (essential). Strong recent experience with modern front-end frameworks, particularly React, alongside TypeScript. Background working with real-time communication tools such as Websockets or SignalR. Familiarity with containerisation and orchestration platforms. A genuine enthusiasm for creating clean, usable, and engaging interfaces. The confidence to collaborate across different teams ...

Location: London (Hybrid) Type: Permanent Industry: High-Performance Trading/Financial Markets About the Company Immersive Finance provides institutional-grade risk infrastructure for digital asset derivatives. Our team comprises seasoned traders, quantitative researchers, and technologists ...

We are working with a pioneering financial technology firm that is building a global institution for digital assets, designed from the ground up for market integrity and efficiency. Their disciplined, first-principles approach underpins everything ...

JOB DESCRIPTION Job title: Senior Software Engineer - GCS Location: Fareham, Hampshire Responsible to: Principal Engineer - GCS Liaison with: All Kraken staff, sub-contractors, customers, and suppliers About the role: To work on the development of ...

cloud software for charger connectivity and monitoring Create telemetry and data pipelines (PLC, CAN) Enable secure remote control and bi-directional communication (MQTT/WebSockets) Deliver OTA firmware updates and REST APIs (OCPP/OCPI) Develop secure, scalable cloud infrastructure (AWS IoT, Azure, etc.) Collaborate closely with hardware … cloud integration or embedded systems Strong skills in PLC, CAN, Modbus or similar protocols Proficiency in API and cloud development (AWS/Azure, MQTT, WebSockets) Knowledge of secure firmware updates and encryption (TLS, AES) Comfortable working autonomously in a fast-moving start-up environment Background in EV charging, energy storage ...

Job Description Embedded Software Engineer Role: Lead embedded software development for cargo inspection products Deliver real-time control firmware for coordinating X-ray sources and sensors Deliver real-time control firmware for communicating with motion ...