Expertise in front-end technologies such as JavaScript, TypeScript, HTML, and CSS, including libraries like React, Vue, or Angular. Experience working with REST APIs, WebSockets, and JavaScript 3D libraries (e.g.,Three.jsis a plus). Background in Agile development teams and geolocation techniques. CONMD CSSRC Original Posting: March 27, 2025 For More ❯
Herndon, Virginia, United States Hybrid / WFH Options
iDirect Government LLC
back-end application development Strong expertise with various JavaScript frameworks (Vue, Angular, etc.) Strong expertise with Web Services and RESTful Applications Expertise with NodeJS, WebSockets and in-depth understanding of Microservices methodologies Familiarity with HTML5 and CSS3 Familiarity with system level issues such as scaling, security, and responsiveness Solid programming More ❯
level proficiency in JavaScript/TypeScript and modern front-end frameworks (e.g., React, Vue, or Angular). Strong understanding of web technologies (HTML5, CSS3, WebSockets) and browser APIs. Proficient in responsive design and cross-browser compatibility techniques. Knowledge of RESTful APIs and experience integrating front-end with back-end services. More ❯
level proficiency in JavaScript/TypeScript and modern front-end frameworks (e.g., React, Vue, or Angular). Strong understanding of web technologies (HTML5, CSS3, WebSockets) and browser APIs. Proficient in responsive design and cross-browser compatibility techniques. Knowledge of RESTful APIs and experience integrating front-end with back-end services. More ❯
capabilities. Experience with AI/ML integrations or recommendation systems. Expertise in Matrix/Synapse integration for real-time messaging and communication. Knowledge of WebSockets, real-time messaging, and event-driven architectures. Background in platform monetisation and payment integration. Strong familiarity with access control, authentication (OAuth, JWT), and data privacy More ❯
london, south east england, united kingdom Hybrid / WFH Options
Evermore
capabilities. Experience with AI/ML integrations or recommendation systems. Expertise in Matrix/Synapse integration for real-time messaging and communication. Knowledge of WebSockets, real-time messaging, and event-driven architectures. Background in platform monetisation and payment integration. Strong familiarity with access control, authentication (OAuth, JWT), and data privacy More ❯
frameworks Oracle, SQL, NoSQL databases Agile Scrum JavaScript, TypeScript, HTML, and CSS React or similar libraries (Vue, Angular) Consuming and creating REST APIs and WebSockets cssrc conmd Original Posting: April 11, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition More ❯
databases Agile Scrum JavaScript, TypeScript, HTML, and CSS React or similar libraries (Vue, Angular) Automated test technologies JMS Consuming and creating REST APIs and WebSockets CONMD CSSRC Original Posting: April 29, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition More ❯
SharePoint Experience with SAFe, AMQP (RabbitMQ) Java ORM such as hibernate, Java with spring or Java EE Restful web services, SPA, ReactJS/Redux, WebsocketsMore ❯
Walsall, Staffordshire, United Kingdom Hybrid / WFH Options
CV Bay Ltd
Computer Science or related field. Proven experience as a Node.js Developer. Strong JavaScript and Node.js framework skills (Express, Koa). Experience with RESTful APIs, WebSockets, and databases (MongoDB, MySQL, PostgreSQL). Understanding of asynchronous programming and event-driven architecture. Experience with Git and agile teamwork. Desirable Skills: Exposure to cloud More ❯
WS1 1PT, Walsall, West Midlands (County), United Kingdom Hybrid / WFH Options
CV Bay Ltd
Computer Science or related field. Proven experience as a Node.js Developer. Strong JavaScript and Node.js framework skills (Express, Koa). Experience with RESTful APIs, WebSockets, and databases (MongoDB, MySQL, PostgreSQL). Understanding of asynchronous programming and event-driven architecture. Experience with Git and agile teamwork. Desirable Skills: Exposure to cloud More ❯
query optimisation Docker Experience in deploying/troubleshooting applications specifically in a Microsoft Azure environment (including SQL Azure, Web Apps, Service Bus) Azure DevOps Websockets/SignalR experience Experience with FIX protocol Package/Benefits: £100,000 - £120,000 Basic Salary 25 days annual leave A gym membership with one More ❯
query optimisation Docker Experience in deploying/troubleshooting applications specifically in a Microsoft Azure environment (including SQL Azure, Web Apps, Service Bus) Azure DevOps Websockets/SignalR experience Experience with FIX protocol Package/Benefits: £100,000 - £120,000 Basic Salary 25 days annual leave A gym membership with one More ❯
environment. Preferred Qualifications • Experience with Electron for Windows desktop app development, as well as ML model deployment and MLOps. • Familiarity with real-time applications, WebSockets, and video streaming technologies like WebRTC. Benefits: • Flexible schedule • Employee assistance program • Full Medical, Dental, Vision insurance and 401K • PTO More ❯
pipelines Agile software development and code reviews Desirable It would be beneficial for you to have some experience with: Data visualisation libraries e.g. D3, websockets and storybook Design tools such as Figma and Balsamiq Cloud technologies such as Kubernetes and Google Cloud Platform What we offer: In addition to competitive More ❯
with Docker & Kubernetes What You’ll Need: Deep expertise in React, TypeScript & frontend architecture Strong problem-solving & performance optimization skills Experience with GraphQL, REST & WebSockets Excellent communication & ability to align tech with business goals What’s on Offer: Competitive salary + performance bonuses High-impact role with senior stakeholder exposure More ❯
with Docker & Kubernetes What You’ll Need: Deep expertise in React, TypeScript & frontend architecture Strong problem-solving & performance optimization skills Experience with GraphQL, REST & WebSockets Excellent communication & ability to align tech with business goals What’s on Offer: Competitive salary + performance bonuses High-impact role with senior stakeholder exposure More ❯
in a similar role; candidates with more experience will be considered for Senior DevOps Engineer or DevOps Lead positions. Nice to have Experience with WebSockets and binary communication protocols, enhancing real-time data transfer capabilities. Strong understanding of scaling high-throughput, real-time applications in a cloud-native or distributed More ❯
Requirements Commercial experience 2+ years JS, ES6+, Typescript OOP and SOLID principles; Reactjs, Angular, Webpack based web-applications; Familiarity with functional programming REST API, Websockets Reactive Programming (RXJS); Experience of using Test Frameworks (JEST) SCSS/BEM Performance Testing Experience with DevTools and Performance Improvements CI/CD GIT Cross More ❯
Requirements Commercial experience 2+ years JS, ES6+, Typescript OOP and SOLID principles; Reactjs, Angular, Webpack based web-applications; Familiarity with functional programming REST API, Websockets Reactive Programming (RXJS); Experience of using Test Frameworks (JEST) SCSS/BEM Performance Testing Experience with DevTools and Performance Improvements CI/CD GIT Cross More ❯
Experience with testing frameworks/packages like JUnit, Mockito, pyfixtures, or locust Understanding of what is under the hood of most modern frameworks (including websockets) Experience with one or more industry standard Cloud Service Providers, including AWS, Azure, or Google Cloud Experience delivering high-quality products in a large-scale More ❯
efficiency. What We Are Looking For Proven Expertise in Python: Extensive experience building backend systems, with a strong understanding of REST APIs (experience with WebSockets is a plus). Frontend Proficiency: Strong experience with React and JavaScript (TypeScript preferred); experience with CSS-in-JS (e.g., styled-components). Agile Practitioner More ❯
Familiarity with the React reconciliation process and browser debugging tools Experience in functional programming and Jest for testing Bonus Experience: Knowledge of RxJS, Node.js, WebSockets, Vite/ESBuild, Docker, and more Familiarity with back-end technologies such as C#, Kafka, and Snowflake This opportunity offers not just career growth, but More ❯
Familiarity with the React reconciliation process and browser debugging tools Experience in functional programming and Jest for testing Bonus Experience: Knowledge of RxJS, Node.js, WebSockets, Vite/ESBuild, Docker, and more Familiarity with back-end technologies such as C#, Kafka, and Snowflake This opportunity offers not just career growth, but More ❯
