1 to 25 of 38 WebSockets Jobs in England

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £65,000 per annum
Skills & Experience Essential: Strong experience with Next.js, React, and TypeScript Solid front-end engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience ...

Senior Frontend Developer

Hiring Organisation
Cititec
Location
London Area, United Kingdom
experience (true UI development, not full-stack) Experience integrating and working with TradingView charts Experience building real-time, data-driven applications Strong understanding of WebSockets, APIs, and live data streaming Solid understanding of HTML, CSS, and modern front-end architecture Experience with performance optimisation for front-end applications Experience with ...

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 ...

Frontend Developer

Hiring Organisation
BGC Group
Location
London, UK
React and Redux. Write clean, maintainable code in TypeScript and JavaScript (ES6). Collaborate with team members to implement real-time data solutions using WebSockets and REST APIs. Build responsive interfaces with CSS and component libraries. Participate in code reviews and testing using frameworks like Jest or Mocha. Learn ...

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 ...

Lead React 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 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 ...

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 ...

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 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 ...

Senior Developer React

Hiring Organisation
Get2Talent
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent
Salary
£85,000
. YouwilljoinahighlyexperiencedteamofseniorengineersandQAdevelopers,taking fullownershipoffeatures fromdesignthroughtoproduction,whilecollaboratingdirectlywiththeclient. KeyResponsibilities Design,build,andmaintainfeaturesacrossthefullstackofa high-performancetradingplatform . Workprimarilywith: TypeScript (Node.js &React) Monorepotooling,GitHub,GitHubActions Jest,Playwright Redis,MSSQL,WebSockets Docker,Kubernetes Observabilitytools (Grafana,Prometheus,SonarQube) Take end-to-endownership offeaturesfromdesigntoproduction. CollaboratecloselywithplatformandDevOpsengineersonbuildpipelines,observability,andoperationalconcerns. Communicatedirectlywithclientstoclarifyrequirementsandproposesolutions. Contributetoandimproveautomatedtestingpractices. Participateinpeercodereviewsandmaintainhighengineeringstandards. Leverage LLM/AI-enableddevelopmenttools aspartofday-to-daydevelopment. ...

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 ...

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 ...

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 ...

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 ...

Senior React Developer

Hiring Organisation
Intec Select
Location
London Area, United Kingdom
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 ...

Python Developer

Hiring Organisation
Apex Systems
Location
Bromley, England, United Kingdom
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 ...

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 ...

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 ...

Platform Engineer | Exchange Connectivity - Remote

Hiring Organisation
VERTECH GROUP (UK) LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
youll be doing: Building and maintaining platform infrastructure across AWS Supporting and improving connectivity into crypto and/or traditional exchanges Working with APIs, WebSockets and potentially FIX protocols Ensuring high availability and reliability across trading systems Collaborating with engineering and trading teams on performance and scalability Troubleshooting connectivity, latency ...

Platform Engineer

Hiring Organisation
Vertech Group (UK) Ltd
Location
EC1V, Finsbury, Greater London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £130000/annum + Benefits
doing: Building and maintaining platform infrastructure across AWS Supporting and improving connectivity into crypto and/or traditional exchanges Working with APIs, WebSockets and potentially FIX protocols Ensuring high availability and reliability across trading systems Collaborating with engineering and trading teams on performance and scalability Troubleshooting connectivity, latency and production ...

Senior Full Stack Engineer - Java Script

Hiring Organisation
Presight
Location
London Area, United Kingdom
Location: Abu Dhabi (Full relocation covered if outside UAE) We are seeking a talented Full Stack JavaScript Developer with solid expertise in React, Node.js, WebSockets, and Kubernetes to join our dynamic team. In this role, you will design, develop, and deploy scalable applications, focusing on real-time features, high-performance … develop scalable backend services and microservices using Node.js Build high-performance, responsive user interfaces with React and TypeScript Implement real-time features using WebSockets (live updates, notifications, streaming) Integrate and optimize Elasticsearch for advanced search, indexing, aggregation, and data retrieval in large-scale systems Deploy and manage containerized applications using ...

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 ...

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 ...