
Certa (getcerta.com) is a Silicon Valley-based tech product start-up that is automating the vendor, supplier, and other stakeholder onboarding processes (think background checks, agreements, and the works) for companies across industries and geographies. With multiple Fortune 500 and Fortune 1000 clients, at Certa's tech team, you will be working on stuff that is changing the way huge companies do business.
Must Haves:
- Experience developing enterprise-grade quality software.
- 3+ years of experience building large-scale front-end applications using React.
- 3+ years of experience using type-safe JavaScript-based languages, such as TypeScript.
- Understanding of modern frontend ecosystems, including Bundling(preferably using vite), Linting, Testing and Releasing
- Success with mentoring mid-level & junior Engineers.
- Experience in Agile software development methodologies.
- Experience writing automated tests (e.g., Vitetest, Cypress, Jest, Testing Library).
- Experience in building, scaling & maintaining a design system from scratch.
- Experience in improving rendering as well as delivery performance for front-end applications.
- Experience in writing semantic HTML.
- Experience in building scalable, responsive, and cross-browser-compatible web applications.
- Experience in a peak-performance organization, preferably a tech startup.
- Experience working with a remote team.
- Data analysis experience, and understanding of how analytics can help with product decisions.
Bonus:
- Experience building integrations and data synchronizations with event pub/sub-models.
- Experience with WebGL
- Experience in building offline applications using Web Workers
- Open source contributions.
- Running his/her own blog.
- Experience with building 100% keyboard and screen reader-accessible applications.
- Experience setting up and customizing JavaScript tooling and building systems.

About Certa
About
Certa’s no-code platform makes it easy to digitize and manage the lifecycle of all your suppliers, partners, and customers. With automated onboarding, contract lifecycle management, and ESG management, Certa eliminates the procurement bottleneck and allows companies to onboard third-parties 3x faster.
Tech stack
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Responsibilities:
• Develop and maintain mobile applications using React Native.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Ensure the performance, quality, and responsiveness of applications.
• Identify and correct bottlenecks and fix bugs.
• Help maintain code quality, organization, and automation.
• Write clean, maintainable, and scalable code.
• Participate in code reviews to ensure code quality and share knowledge with the team.
• Stay updated with the latest industry trends and technologies.
Requirements:
• Strong proficiency in JavaScript and familiarity with ES6+ syntax.
• Experience with Redux or other state management libraries.
• Familiarity with RESTful APIs to connect mobile applications to back-end services.
• Knowledge of mobile app architecture and design patterns.
• Experience with third-party libraries and APIs.
• Understanding of mobile development best practices.
• Ability to write well-documented, clean code.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork skills.
We are hiring ReactJS Developers.
Experience - 3-5 years
Location - Ahmedabad
5 Days working
Required Skills:
- Should be able to do code review and deployments.
- Should have experience in JavaScript, including DOM manipulation and the JavaScript object model.
- Thorough understanding of React.js and its core principles along with React-hooks, CSS3, and HTML5.
- Experience with popular React.js workflows ( Redux - Saga )
- Familiarity with newer specifications of ECMAScript 6
- Experience with data Structures libraries ( e.g., Immutable.js )
- Familiarity with RESTful APIs
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc
- A knack for benchmarking and optimization
- Familiarity with code versioning tools such GIT.
- Familiarity with tools like React-Redux, immer, Qwest, connected-react-router, TSlint
- UI frameworks like Material UI and Kendo UI
- Familiar with Unit testing libraries like Jest-dom etc
- Familiar with browser-based debugging tools like React DevTools, React Developer tools, etc.
- Familiar with Webpack
Bachelor’s degree in computer science, computer engineering or similar.
- Previous work experience of 4-6 years as an angularJS developer.
- Proficient in CSS, HTML, and writing cross-browser compatible code.
- Experience using JavaScript building tools like Gulp or Grunt.
- Knowledge of JavaScript MV-VM/MVC frameworks including AngluarJS.
- Excellent project management skills.
- Proven experience implementing front-end and back-end JavaScript applications.
- Excellent communication skills.
- Critical thinker and good problem-solver.
Job Description:
Translating system requirements into the design and development of systems.
Transform vital business needs into code and drive innovation.
Collaborating and integrating code into enterprise systems.
Creative problem-solving skills.
Attitude to achieve the goals with complete ownership and hard work.
Technical Skills:
Must Have:
- 2+ Years of experience in UI/Front-end development of rich interactive web-based applications or modules.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Experience working as a React.js Developer. Thorough understanding of React.js and its core principles.
- In-depth knowledge of JavaScript, CSS, HTML, HTML 5, JSON, XML and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Enzyme.
- Knowledge of MVC Pattern and Architecture. Experience with popular React.js workflows (such as Flux or Redux)
- Experience with user interface design.
- Experience with web debugging and performance testing software.
- Experience in all testing phases of development including Unit & Integration Testing.
- Excellent troubleshooting skills.
- Team player
- Excellent time-management skills
Beneficial:
- Working experience with Core Java.
- Knowledge of Jquery , Nodejs, Bootstrap, Struts, Spring, Hibernate, JSP, JSF, Angular, Vue,js Framework.
- Working with Databases (MSSQL, Oracle, Postgres)
- Working experience on source code version control systems (SVN, GIT)
- Working experience on Issue Tracking tool e.g. Jira, Bugzilla
- Working experience on Code Analysis tools e.g. Sonar Qube, Checkmarx.
- Experience in Restful Web Services integration.
- Knowledge of performance testing frameworks including Mocha and Jest.
- Independent worker
- Great interpersonal and communication skills
Responsibilities
- Participate as a team member in all phases of software development lifecycle.
- Co-ordinating with the team on individual responsibilities and roadblocks.
- Perform design, development and testing on individual tasks
- Managing initiatives on UI/UX work
- Transparently share the challenges & feedbacks.
- Participate in integrated testing of product/ package.
- Designing a modern highly responsive web-based enterprise application component user interface.
- Building reusable components and front-end libraries for future use.
- Translating designs and wireframes into high-quality code.
- Learn and understand user interactions.
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Coordinating with various teams working on distinct layers.
- Providing technical assistance to the other teammates.
- Keep compliance with Quality Systems and Procedures.
We are looking for 2-3 year expierenced React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.
Responsibilities
- Build pixel-perfect, buttery smooth UIs across both mobile platforms.
- Leverage native APIs for deep integrations with both platforms.
- Diagnose and fix bugs and performance bottlenecks for performance that feels native.
- Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
- Maintain code and write automated tests to ensure the product is of the highest quality.
- Transition existing React web apps to React Native.
Skills
- Firm grasp of the JavaScript language and its nuances, including ES6+ syntax.
- Knowledge of functional or object-oriented programming
- Ability to write well-documented, clean Javascript code
- Rock solid at working with third-party dependencies and debugging dependency conflicts
- Familiarity with native build tools, like XCode, Gradle, Android Studio.
- Understanding of REST APIs, the document request model, and offline storage
- Experience with automated testing suites, like (Jest or Mocha)
- We are looking for a JavaScript developer who is proficient with React.
- Your primary focus will be on designing and developing products using Core UI and React.
- Should have good hands on experience in node, sass, javascript ES6,laravel concepts
Responsibilities:
- Work closely with design, product management, and development teams to create elegant, usable, responsive, and interactive interfaces across multiple devices.
- Turning UI/UX designs into prototypes, creating awesome interactions from designs, writing reusable content modules, and maintainability of the code.
- Implement UI development principles to ensure that the product client-side serves at scale.
- Review and optimize app usage by monitoring key metrics and rectifying the issues proactively.
- An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
- Developers should be team player or should work individually when required.
- Developer should work parallel to backend developers.
- 1 to 2 years of relevant work experience as a web developer, UI developer, JavaScript expert, or frontend engineer
- Proficiency in HTML, CSS, JavaScript, and jQuery.
- Good understanding of APIs and how to use them to get the work done fast.
- Proficiency in writing clean and optimized code.
- Familiar with UI layouts, SASS, Bootstrap, and the CSS GRID system.
- Experience debugging using popular JavaScript-based tools like Chrome Developer Console.
- Knowledge of ReactJs/VueJs & Python will be a plus
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Responsibilities:
- Responsible for development of new highly-responsive, web-based user interface
- Develop a flexible and well-structured front-end architecture, along with the APIs to support it 3.
- Building reusable components and front-end libraries for future use
- Translating designs and wire frames into high quality code
- Construct visualisations that are able to depict vast amounts of data
- Work with product team and graphic designers
- Learn and understand user interactions
Requirements:
- Deep knowledge of web standards
- Deep knowledge of JavaScript concepts and fundamentals
- Strong understanding of ReactJs. development, and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Experience of working with code versioning tools (such as Git, SVN)
- Familiarity with RESTful APIs
- Familiar with HTML, CSS and SCSS development
- Knowledge of bundlers such as Gulp/Web pack, ES6, Node etc..
- B.Tech from Tier 1 college.
- 3+ yrs of experience with front end technologies HTML and JavaScript
- 1+ yrs of Project experience with react







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