1 to 25 of 37 Remote/Hybrid Permanent WebSockets Jobs

Senior Full-Stack Developer (Python)

Location
Greater London, England, United Kingdom
Good understanding of cloud deployment Strong understanding and proven experience working with browsers and web APIs including HTML Canvas, Drag and Drop, SSE, WebSockets, etc. Effective communication skills through written reports and presentations. Ability to version control code using tools such as Git, GitHub and Azure DevOps in a collaborative ...

Senior Full-Stack Developer (Bath Area)

Location
Bath, England, United Kingdom
Good understanding of cloud deployment Strong understanding and proven experience working with browsers and web APIs including HTML Canvas, Drag and Drop, SSE, WebSockets, etc. Effective communication skills through written reports and presentations. Ability to version control code using tools such as Git, GitHub and Azure DevOps in a collaborative ...

Senior Developer

Location
United Kingdom
secure & robust applications in enterprise environments (Oauth2.0, credential and identity management Navigate delivery of live + timeseries based data analysis pipelines alongside integration with WebSockets and messaging Knowledge of Python, FastAPI and UV-based package management Good experience of git and trunk-based workflow management Degree in engineering, mathematics, physical ...

AI/ML & Systems Engineer

Location
Cambridge, England, United Kingdom
delivering against technical milestones. Desirable React, Grafana or Plotly/Dash AWS, Azure or GCP Docker/containerisation FastAPI/Flask, REST APIs or WebSockets Git/GitHub Actions/GitLab CI Real-time data visualisation and geospatial data Why Join? Work alongside an exceptional technical founder - collaborate directly with ...

Web Developer

Location
Greater London, England, United Kingdom
real-time messaging on the Web, including low level protocol and API design Exposure to the following would be advantageous: RxJS, Webpack, Storybook & Websockets Knowledge of Java would be beneficial but is not a necessity Passion for UX and Interaction design Strong communication skills Relevant academic qualifications, including a college ...

Junior backend developer

Location
Southampton, England, United Kingdom
with automated testing Familiarity with Next.js or React Understanding of database optimisation Experience integrating third-party APIs Knowledge of authentication and authorisation Familiarity with WebSockets Personal or open-source backend projects What we offer Competitive salary Hybrid or remote working options Flexible working hours Professional development opportunities Mentoring from experienced ...

AI Engineer (Fluent in Mandarin & English)

Location
Greater London, England, United Kingdom
First Token) and maximize throughput. This includes implementing quantization, caching strategies, and efficient batching. Production Engineering: Build and maintain real-time AI pipelines using WebSockets and SSE , ensuring seamless low-latency delivery for voice (ASR/TTS) and text applications. Architecture & MLOps: Deploy and orchestrate models within containerized microservice architectures ...

Mid-Level Software Engineer (Backend and Integrations) - Fixed-term Contract

Location
City Of London, England, United Kingdom
integrating RESTful and/or gRPC APIs, with a good understanding of authentication, security and caching. Real-time and event-driven systems. Experience with WebSockets, SSE or event streaming platforms such as Kafka or Azure Event Hubs. AI fundamentals and coding agents. A good grasp of AI and LLM fundamentals ...

Director Data & Analytics API Experience - Data Services

Location
Greater London, England, United Kingdom
Python, with the ability to write clean, idiomatic, and robust code for public consumption. Technical Stack Environment: Google Cloud Platform (GCP), Apigee. Protocols: WebSockets, REST, GCS. Tooling: Python (Expert), OAuth 2.0, GitHub, Protobuf/Avro, SQL. Company Benefits Bonus Programme Equity Programme Employee Stock Purchase Plan (ESPP) Private Medical ...

Senior Full-Stack Engineer - Automation & Integrations

Hiring Organisation
team.blue
Location
Capelle aan den IJssel, Zuid-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
schemas, migrations, and performance Build and maintain React components for the workflow builder and automation interfaces Manage application state and real-time updates with WebSockets Own infrastructure and operations on AWS (ECS/Fargate, Load Balancers, CloudWatch, Secrets Manager) and monitor system health Develop and maintain Node.js services for background ...

Full-Stack Engineer

Location
Birmingham, England, United Kingdom
. Solid backend experience with Node.js and relational databases (PostgreSQL preferred). Experience building data visualisation components or working with charting libraries. Comfort with WebSockets, streaming data, and real-time UI patterns . A portfolio or GitHub profile that demonstrates your craft. We believe great products come from engineers ...

Back-End Engineer, Trading

Location
Greater London, England, United Kingdom
Professional experience building backend services, ideally in Kotlin and/or Python. Solid experience designing and building backend services and REST APIs; experience with WebSockets or other real-time streaming protocols such as NATS/JETSREAM is a plus. Working knowledge of SQL and experience integrating with multiple internal ...

Frontend Architect

Location
Greater London, England, United Kingdom
mutations, fragments, pagination, caching, and client libraries such as Apollo Client, Relay, or urql. Hands-on experience implementing GraphQL Subscriptions for real-time experiences (WebSockets), including connection lifecycle, reconnection, filtering, authorization, and scale considerations. Practical experience with Amazon CloudFront for content delivery, including cache policies, origin configuration, CloudFront Functions ...

Senior Full-Stack Engineer

Location
Greater London, England, United Kingdom
Redis Understanding of cloud services (AWS, Vercel, or similar) Excellent problem‐solving and communication skills Nice to Have Experience with real‐time systems and WebSockets Knowledge of payment processing (Stripe) Previous experience in ticketing or events industry Contributions to open‐source projects Benefits Competitive salary with equity options. Flexible hybrid ...

Vue Developer

Hiring Organisation
Michael Page
Location
City of London, London, Tower, United Kingdom
Employment Type
Permanent
Salary
£60000 - £100000/annum
Claude, Cursor etc) Worked on a broker platform, trading or similar industry experience a huge plus Nice to haves: Experience with real-time data (WebSockets, SSE or similar) AG Grid, Prime Vue UI state management systems such as Pina, Redux, and UI design systems. Angular/React Job Offer Performance ...

Full-Stack Engineer Remote · Full-time

Location
Greater London, England, United Kingdom
Azure) Understanding of API design and database systems Commitment to code quality and testing Nice to have Experience with real-time communication (WebRTC, WebSockets) Knowledge of accessibility standards (WCAG) Background in developer experience and API design #J-18808-Ljbffr ...

Senior Full Stack Engineer

Location
Greater London, England, United Kingdom
worked with Python Stronger still if you have worked with: Chrome extensions or the Chrome DevTools Protocol Real-time interfaces using streaming, SSE or WebSockets Design systems or component libraries FastAPI or a similar Python API framework Preact and Vite You do not need a background in Python backend development. ...

Senior Embedded Software Engineer

Hiring Organisation
BramahHR Ltd
Location
Birmingham, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£70000 - £90000/annum £70,000 - £90,000 + benefits
working to MISRA guidelines High-performance microcontrollers such as STM32 RTOS and/or bare-metal development CAN and Modbus RTU over RS485 MQTT, WebSockets and network-connected embedded systems Firmware and hardware integration, troubleshooting and validation Windows and/or Linux-based higher-level applications Secure boot, TLS, certificate ...

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 ...

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 ...

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 ...

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 ...