51 to 75 of 111 WebSockets Jobs

Senior Engineer (Full-Stack)

Location
City Of London, England, United Kingdom
ReactQuery Experience with modern JavaScript frameworks - React Knowledge of version control systems (Git) Understanding of cross-browser compatibility Familiarity with RESTful APIs, GraphQL and Websockets Experience with CSS pre-processors e.g. Tailwind Back-end skills Proficiency in backend programming languages (Typescript and/or other OOP language such as c# …/Java) Strong database knowledge (SQL and NoSQL) Proficiency with RESTful APIs and GraphQL APIs and Websockets Experience with microservices architecture Knowledge of version control systems (Git) Experience with Terraform Experience with automated testing Experience with AWS (AWS Lambda, AWS Fargate, Amazon API Gateway, AWS AppSync) Worked within an Agile ...

Real-Time React UI Architect - Low-Latency

Location
City Of London, England, United Kingdom
delivering high-performance interfaces. The ideal candidate will have hands-on experience with HTML, CSS, JavaScript, React and Redux, plus real-time communication via WebSockets/SSE and testing with RTL/Jest. #J-18808-Ljbffr ...

Full-Stack Engineer — AI Analytics Platform (Hybrid)

Location
Birmingham, England, United Kingdom
visualisation components. The ideal candidate has 3–6 years of full-stack experience, a Bachelor's in CS, and hands-on work with PostgreSQL, WebSockets, and real-time UI patterns. We offer hybrid work, learning budgets, and generous benefits. #J-18808-Ljbffr ...

Frontend Developer (Vue.js & React)

Location
Greater London, England, United Kingdom
into user interfaces Ability to use development tools effectively Nice to Have Experience with Inertia.js or Livewire Knowledge of Next.js or Nuxt.js Experience with WebSockets and real-time applications Understanding of web accessibility (WCAG) standards Experience with testing frameworks (Jest, Vitest, Cypress) Familiarity with UI/UX design principles Experience ...

Frontend Engineer London

Location
Greater London, England, United Kingdom
visualising data in 3D (e.g. Three.js, React Three Fiber, WebGL, Deck.gl ) Real-time data flows: Comfortable working with real-time data and async patterns (Websockets, workers) Writing testable, reusable code: Vitest/Jest/Playwright, Storybook, design systems Data visualisation: Presenting complex data intuitively; geospatial experience is a plus. ...

Full Stack Platform Engineer

Hiring Organisation
Hackajob Ltd
Location
Wallingford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
TypeScript interfaces that make large volumes of telemetry and scan data legible and fast to work with. Real-time data systems: work with WebRTC, WebSockets, gRPC and Zenoh to move live telemetry and video from robot to browser. Backend proficiency: hands-on experience building backend services ...

Real-time Python Engineer for Trading Systems (Remote/Hybrid)

Location
Greater London, England, United Kingdom
prediction market exchanges using Python, FastAPI and async workflows. In this hands-on role you’ll own meaningful projects, work with REST APIs, WebSockets and external data feeds, and help ensure reliability, correctness and robust error handling in a small team. #J-18808-Ljbffr ...

Project Manager

Location
Greater London, England, United Kingdom
Google Workspace Startup mindset Sales and customer success background, leading the customer experience Technical background, including: Familiarity with Metabase Experience with modern APIs (REST, Websockets, Server Sent Events) Experience with enterprise software implementations Technical troubleshooting skills Experience with issue management (JIRA) and API logging tool Familiarity with Postman and curl ...

Senior Software Engineer II

Location
Greater London, England, United Kingdom
once tradeoffs. Security: mTLS , OAuth/OIDC , JWT , x.509 , HSM/KMS , structured threat modeling and mitigation. Preferred Qualifications IoT protocols & fleet ops: MQTT , WebSockets , device twin/shadow patterns and FIDO Device Onboarding (FDO). Hardware root of trust: TPM/TPM 2.0 fundamentals—measured/verified boot device ...

Engineer C# (Full Stack)

Location
Greater London, England, United Kingdom
## Engineer C# (Full Stack)Applylocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: R5595**Group Overview**The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients ...

Engineer C# (Full Stack)

Location
City Of London, England, United Kingdom
Group Overview The TP ICAP Group is a world‐leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of ...

Senior Software Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90000/annum
We're looking for a Senior Software Engineer to join a growing AI team and take ownership of the application and integration layer behind a new generation of AI-powered products. This is a genuinely ...

Frontend Engineer: Real-Time Gaming UI

Location
Greater London, England, United Kingdom
work collaboratively with designers and back-end developers, ensuring best practices in development and code quality are followed. Bonus points for experience with WebSockets or gaming applications. #J-18808-Ljbffr ...

Senior Javascript Developer

Location
Glasgow, Scotland, United Kingdom
Job title: Senior Javascript Developer Pay Range: £60,000+ Reports to: CTO About Us Odro builds technology that helps recruitment businesses work smarter. Our products are used by hundreds of recruitment brands and thousands of ...

Senior Software Backend Developer

Location
Elstree, England, United Kingdom
About Us Luna Innovations is a global leader in fibre-optic sensing, test and measurement technologies, delivering advanced monitoring solutions for critical infrastructure across the energy, transportation, security, and industrial sectors. Our Edge Platform team ...

Senior Forward Deployed ML Engineer, Agents

Location
Greater London, England, United Kingdom
About aion Aion is the enterprise AI platform, a full-stack solution for building, fine-tuning, and deploying AI at scale. Whether an organization is modernizing internal operations, launching AI-powered products, or transforming customer ...

Frontend Software Engineer

Location
Hunmanby, England, United Kingdom
Deep Sea Electronics is a global leader in the design and manufacture of generator controllers, automatic transfer switch controllers, battery chargers, and vehicle and off-highway control systems. With over 200 employees across four continents ...

Senior Software Backend Developer

Location
Borehamwood, England, United Kingdom
About Us Luna Innovations is a global leader in fibre-optic sensing, test and measurement technologies, delivering advanced monitoring solutions for critical infrastructure across the energy, transportation, security, and industrial sectors. Our Edge Platform team ...

Full-stack AI Engineer

Location
Greater London, England, United Kingdom
clean architecture, and production-grade code System design skills - you can design scalable, maintainable systems and articulate trade-offs clearly API design expertise - REST, WebSockets/SSE, and understanding of distributed systems patterns Database proficiency - SQL and NoSQL (DynamoDB, PostgreSQL, OpenSearch), including query optimization and data modeling Testing mindset … with LLM observability (Langfuse), token management, streaming, and reliability patterns AWS expertise - Lambda, ECS, DynamoDB, OpenSearch, Bedrock, or similar cloud services Streaming architectures - SSE, WebSockets, event-driven systems Fintech/compliance background - AML, sanctions screening, KYC, or regulated industry experience Micro-frontend experience - Module Federation, independent deployability Infrastructure as Code ...

Frontend Quality Assurance Specialist

Location
Belfast City District, Northern Ireland, United Kingdom
Frontend Quality Assurance Specialist At a Glance Individual contributor QA role at a high-growth prediction markets trading firm Core stack: Java, Python, FIX, SQL, Cucumber, Playwright, JUnit Competitive base salary plus discretionary annual bonus ...

Senior Cloud Software Engineer - Full-Stack & DevOps

Location
Cambridge, England, United Kingdom
Nuclera, a Cambridge biotech innovator, seeks a full-stack software engineer to build customer-facing cloud and instrument software and internal tooling. You will own features end to end, work with biologists and stakeholders, and ...

Front End Developer

Location
Newcastle upon Tyne, England, United Kingdom
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 ...

Lead UI Developer – Single Dealer Platform (TypeScript / RxJS / React)

Location
Greater London, England, United Kingdom
delivery plans. Own the front end architecture (React + TypeScript + RxJS), including state management, observables, and data flow design for live market data (WebSockets/Server Sent Events). Design and implement modular, testable, and reusable components and design system primitives aligned to accessibility (WCAG 2.1 AA+). Drive … . What we are looking for: Solid years building web applications with TypeScript and React; 3+ years in a senior/lead role. WebSockets, Server-Sent Events, WebRTC or other high performance bidirectional data streaming experience. GraphQL, Protobuf, Flatbuffers or other schema-driven API design tools. Strong RxJS (or equivalent ...

Embedded Software Engineer

Location
Greater London, England, United Kingdom
Overview Fuse Energy is a forward-thinking renewable energy startup on a mission to deliver a terawatt of renewable energy quickly. We are building an integrated energy system spanning solar, wind, hydrogen projects, real-time ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
About Wintermute Wintermute is one of the largest crypto native algorithmic trading companies in digital assets. We provide liquidity across most cryptocurrency exchanges and trading platforms, a broad range of OTC trading solutions as well ...