26 to 50 of 224 Permanent WebSockets Jobs

For additional information, please review .**About Engineering Excellence (EE)**Engineering Excellence (EE) enables Citi engineers to do their best work by providing modern tools, platforms, and practices that enhance productivity, technical capability, and cross ...

exchange connectivity and protocols (e.g., FIX). Strong fundamentals in algorithms, data structures and software design patterns. Deep networking knowledge (TCP/UDP, REST, WebSockets) and experience debugging networked systems. Experience delivering production services with strong operational focus (monitoring, alerting, incident response). Excellent problem-solving, ownership, and mentoring skills. ...

e.g., Timescale/Postgres/Influx) optimized for dashboard queries. Frontend (Guidance + Pairing) Ensure robust patterns for React/Vue apps (state management, WebSockets, charts, performance). Support component library conventions; ensure consistency and accessibility. DevOps & Reliability Define CI/CD quality gates, release strategies, environment parity, and infra ...

software design. Strong understanding of HTML5, CSS3, JavaScript (ES6+)/TypeScript, and modern web development practices. Expert experience with designing and implementing REST APIs, WebSockets, and real-time data integration between Java backends and Vue frontends. Ability to work with time-series/telemetry data and build complex data visualizations. ...

Software Engineer - Fullstack Join our innovative team as a Software Engineer - Fullstack and be at the forefront of transforming our application landscape into a modern, cloud-hosted finance platform. This exciting role offers the opportunity ...

interest/experience in AI Nice to haves: Cloud experience Experience integrating software with hardware, IoT devices, or embedded systems Knowledge of MQTT, WebSockets, serial communications, or industrial protocols Experience with warehouse management systems, ERP, manufacturing etc Job Offer 25 days + BHS 5% matched pension ...

ES6+. Experience with CI/CD pipelines for mobile development. Familiar with modern front‐end pipelines and tools. Experienced with Native modules (C++), WebSockets, RESTful based APIs. Experience in Swift/Objective‐C (iOS) or Kotlin/Java (Android) for low level implementation. Proven experience leading or mentoring mobile engineers. ...

deployment. KEY RESPONSIBILITIES Design, build and maintain robust, scalable APIs using Python and FastAPI Work with real time data streaming, including SSE and WebSockets Translate complex sports data and logic into clean, efficient backend code Ensure systems are performant, reliable and well architected Own your work end to end, including ...

second performance Strong understanding of multithreading, algorithms, and systems programming Exposure to market data, exchange connectivity, or trading systems is highly beneficial Knowledge of WebSockets, FIX, Kafka or network protocols preferred Bonus experience: Kernel bypass/DPDK System-level or network optimisation Financial markets or HFT environments Fully remote opportunity ...

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 ...

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 ...

Frontend Developer - Belfast (Hybrid Working) About the Business A rapidly expanding technology firm focused on artificial intelligence and advanced analytics is looking to hire a Frontend Developer to strengthen its engineering team. The company builds ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...

data flows with Redux Toolkit, Redux-Saga, and React Query (caching, optimistic updates, real-time sync). Integrate APIs & live feeds via REST + WebSockets for order books, balances, and notifications. Craft responsive UIs with Tailwind CSS + Styled Components, ensuring a seamless mobile-first experience. Deliver rich visuals like … + TypeScript and modern ES2020+. Hands-on experience with Redux Toolkit, Redux-Saga, and React Query in production. Proven work on real-time systems (WebSockets, live market data, large datasets). Experience with charting libraries (ApexCharts, Highcharts, D3, etc.) including live updates. Strong understanding of performance optimization . Awareness ...