JavaScript
- ReactJS
- Redux-Saga
- ES6 (or TypeScript) syntax
- Good problem-solving
- Good debugging
Good to have :
- TypeScript experience
- Material UI experience
- JEST knowledge
- Git and Github/Gitlab/Bitbucket experience

About Semperfi Services and Solutions
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· 7+ years of professional experience in front-end development.
· 5+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.)
· Strong understanding of JavaScript (ES6+), HTML5, and CSS3.
· Experience with RESTful APIs, GraphQL, and WebSocket integration.
· Proficiency in modern build tools (Webpack, Vite, Babel, etc.).
· Expertise in state management libraries (Redux, MobX) and React Query.
· Solid understanding of UI/UX principles and responsive design.
· Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).
· Familiarity with modern CI/CD pipelines and version control tools (Git).
We're hiring for technology company, reinventing hotel operations by seamlessly combining operations with labor management and compliance at the property level and across multiple properties, all in a single SaaS solution. We incorporate the latest technology, including IoT and AI, to evolve hotels into smart properties, enabling hotel owners, managers, and management companies across the US to better connect, collaborate, and document across roles and teams, increasing efficiency, effectiveness, and visibility into what is happening at their properties.
The Opportunity
- We are looking for a seasoned full-stack engineer to build out and manage our entire web infrastructure. Minimum of three years’ recent experience with all of the skills listed below.
- Design and implementation of the overall web architecture.
- Implementation of “Pixel-perfect” screens from our approved user interface.
- Ensuring the entire stack is designed and built for speed and scalability.
- Design and construction of our REST API.
- Hands-on experience working with RDBMS and Document databases
- Exposure to graphql is an added advantage.
- Integrating our front-end UI with the API developed.
- Design and implementation of continuous integration and deployment.
- Delivering on-time with quality.
What we Require
- To convert our existing web application into a micro front-end architecture. The ideal candidate should have experience in AngularJS, ReactJS, MobX, and SCSS. Exposure to socket integration, mqtt integration would be a plus.
- Identify our existing web application’s different components and modules. Separate them into independent micro front-ends.
- Develop and maintain micro front-ends using AngularJS, ReactJS, MobX and SCSS
- Implement and configure Module Federation in Webpack 5 to share components between micro front-ends.
- Optimize micro front-ends for maximum speed and scalability.
Nice-to-have:
- Familiarity with cloud-based infrastructure (AWS)
- Familiarity with containerization (Docker)
- Upgraded an application from Webpack 4 to Webpack 5 for local development & production build
- Hands-on experience in converting JavaScript applications into Typescript
- Designing, developing, and testing UI for mobile and web applications
- Build reusable code and libraries for future use
- Accurately translate user and business needs into functional frontend code.
- Developing new user-facing features using React and redux
- Building reusable components and front-end libraries for future use.
- Translating designs and wireframes into high-quality code with proper standards.
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
- Work with outside data sources and APIs.
- Added Advantage: Knowledge and experience in Cloud Computing
- Using knowledge of modern authorization mechanisms, such as JSON Web Token
- Being familiar with modern front-end build pipelines and tools
- Working with common front-end development tools such as Babel, Webpack, NPM, etc. to create the best end user products and experience
- Ability to understand business requirements and translate them into technical requirements.
- Very good problem-solving capabilities and aptitude
- Good team player with drive to achieve more
- Passion to be core member of a fast-growing startup
- Strong proficiency in JavaScript
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with newer specifications of Ecma Script
- Familiarity with RESTful APIs
- Minimum 3 years experience in React redux and Flux
- 3 years experience in Frontend skills
- Familiarity with database technology such as MySQL, MongoDB. ·
- Good communication.









