1 to 25 of 28 WebSockets Jobs in the UK

Senior Full Stack Engineer @ Eloquent AI (YC X25)

Hiring Organisation
Eloquent AI
Location
United Kingdom
environments. You have a sharp eye for UI/UX design and have built intuitive, AI-driven interfaces. You have experience with GraphQL, WebSockets, or real-time data streaming. You’ve contributed to open-source projects or have built developer tools for AI. Whats on offer: Salary up to £120k. ...

Senior Developer Typescript

Hiring Organisation
Get2Talent
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
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 ...

Senior Full Stack Engineer

Hiring Organisation
Albert Bow
Location
London Area, United Kingdom
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 ...

TypeScript Software Engineer

Hiring Organisation
Get2Talent
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
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 ...

Senior Full-Stack Engineer (Ref: 195894)

Hiring Organisation
Forsyth Barnes
Location
City of London, London, United Kingdom
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 ...

Typescript Developer

Hiring Organisation
Get2Talent
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
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 ...

Senior Full-Stack Developer (JavaScript / Node.js)

Hiring Organisation
Adria Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£70,000
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 ...

Full Stack Software Engineer

Hiring Organisation
Matchtech
Location
Tring, Hertfordshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 70 Hourly
frontend applications and NestJS backend services within a shared pnpm monorepo environment. Integrate user-facing components with backend services using various communication protocols (REST, WebSockets, SNMP, MQTT, etc.). Develop the GUI using a mix of off-the-shelf UI components and custom modules. Ensure the UI code is well ...

Full-Stack Developer (React / TypeScript / Node.js)

Hiring Organisation
Adria Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£60,000
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 ...

Full Stack Typescript Engineer

Hiring Organisation
Get2Talent
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
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 ...

Frontend Engineer

Hiring Organisation
Zuma Labs
Location
Greater London, England, United Kingdom
Apollo Client. Experience building Single Page Applications (SPAs). Reactive mobile UI development experience. Experience with Material UI or similar component libraries. Familiarity with WebSockets and real-time applications. Knowledge of CI/CD pipelines and end-to-end testing frameworks. Exposure to browser APIs and UX/UI design ...

Senior/Lead Frontend Developer - Angular

Hiring Organisation
TalentHawk
Location
London Area, United Kingdom
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 ...

Senior JavaScript Engineer

Hiring Organisation
Albert Bow
Location
London Area, United Kingdom
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 ...

Python Software Engineer

Hiring Organisation
Apex Systems US
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£80 - £90/hour
acceptance tests Comfortable in an agile working environment Self-starter and proactive DESIRED SKILLS: Experience with modern web UI technologies; HTML5, React, RESTful services, Websockets Knowledge of Structured Products (Notes, Warrants, Certificates) BUSINESS KNOWLEDGE Equity Derivatives Regional variations of Products and Trading ...

AI Enablement Engineer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
existing Python/SQL reporting framework. The AI enablement Engineer will have experience with the following technologies/tools: Docker, Postgres, REST APIs, SFTP, Websockets OOP + Asynchronous Design Patterns PowerQuery/DAX/M Industry standard libraries used in software development within finance (pandas, numpy, scipy etc) MS Graph ...

Senior Data Engineer

Hiring Organisation
AG Talent
Location
United Kingdom
stages – Interview with Founder, Interview with team members, Final Technical Interview Tech Stack: Angular, TypeScript, Liveview, Tailwind, Elixir, Node, Nest, Postgres, GraphQL, Git, Kubernetes, Websockets, AWS Today the platform already processes a large volume of transactional information and has a strong data foundation in place. ~500GB of structured transaction data ...

Graduate AI Software Engineer

Hiring Organisation
X-on Health
Location
Woodbridge, England, United Kingdom
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 ...

Embedded Software Engineer

Hiring Organisation
Bright Purple Resourcing
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent
Salary
£65,000
experience on Linux Experience with embedded Linux , drivers, TCP/IP communications, and board-level protocols (USB, I2C, SPI, RS232) Familiarity with REST APIs, WebSockets, and JavaScript/Node.js Agile development experience and version control (Git/SVN) Self-motivated, proactive, and excellent communicator Why Join? Work on cutting-edge ...

React UI Developer

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£160000 - £190000/annum
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 ...

React UI Developer

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£130000 - £160000/annum
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 ...

Senior Software Engineer (Rust, Go, Typescript)

Hiring Organisation
JLA Resourcing Ltd
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£80,000
Role – Senior Software Engineer (Rust, Go, Typescript) Location – Remote, occasional visits to Southampton office Salary - £ 70,000 to £80,000 Start – ASAP The Opportunity This is a chance to join an innovative technology business transforming ...

Front End Developer

Hiring Organisation
Noir
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £80,000 per annum
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 ...

Solution Architect (Outside of IR35)

Hiring Organisation
Sanderson
Location
South West, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £680 per day
Solution Architect 6 Months £625 - £680 - OUTSIDE OF IR35 Hybrid working in the South West We are looking for a seasoned Architect to contribute to the architecture and design of a microservices platform. The ideal ...

Senior C++ Engineer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Role Overview As a Senior C++ Engineer, you will be a member of a small, high performing team responsible for global derivatives algorithmic trading platform. Working closely with technologists, quants and traders to develop our ...

Senior Exchange Connectivity Engineer | Crypto

Hiring Organisation
Selby Jennings
Location
London Area, United Kingdom
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 ...