
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
Company video
Connect with the team
Similar jobs
Job description
Job title: Sr. React Js Developer
Job Description:
- 3+ years of extensive experience in developing the Single Page Application with Web
responsive design for mobile and web using React JS, HTML 5, CSS 3 and Bootstrap. - Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object
model. - Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Thorough understanding of React.js and its core principles.
- Experience with common front-end development tools such as Babel, Webpack, NPM,
yarn, etc. - Familiarity with newer specifications of EcmaScript (ES6)
- Ability to understand business requirements and translate them into technical
requirements - Good verbal and written communication skills
- Excellent analytical and problem-solving skills.
- Strong ability to drive end-to-end service design from usability and experience
perspectives. - Working knowledge of ADA and designing for users with unique physical and mental
challenges.
Desired Skills:
- Meeting with the development team to discuss user interface ideas and applications.
- Reviewing application requirements and interface designs.
- Identifying web-based user interactions.
- Developing and implementing highly-responsive user interface components using React
concepts. - Writing application interface codes using JavaScript following React.js workflows.
- Troubleshooting interface software and debugging application codes.
- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.
- Documenting application changes and developing updates
Description of work at Aerotime:
- Design and develop product components and validate them for technical design,performance, and production readiness.
- Review product requirements, provide estimates, write unit test.
- Maintain, improve, and integrate existing components and applications.
- Works with support and consulting teams in resolving customer issues.
- Interacts with teams as required in understanding, reproducing, and troubleshooting customer issues.
- Work in an agile, rapid development and prototyping environment where effective
- communication is paramount.
Roles and Responsibilities
- Bachelors degree in computer science or equivalent with 3- 5 years of experience or
- Master’s degree in computer science or equivalent level of experience
- Highly proactive, result-oriented and team player.
- Required languages:
- Minimum 3 years of experience in Angular7+, Node JS, Java Script, JQuery, TypeScript, CSS, HTML, single page application frameworks
- Experience working with any Unit Test Framework is a must.
- Experience in advanced text processing using advanced regular expressions, data parsing.
- Expertise in debugging UI issues from the browser.
This company is a network of the world's best developers - full-time, long-term remote software jobs with better compensation and career growth. We enable our clients to accelerate their Cloud Offering, and Capitalize on Cloud. We have our own IOT/AI platform and we provide professional services on that platform to build custom clouds for their IOT devices. We also build mobile apps, run 24x7 devops/site reliability engineering for our clients.
You will be working on AI/IOT react native mobile apps and responsible for hands-on coding.
We need someone who can write well designed, testable, efficient code by using the best software.
We are looking for a can do it attitude, and the ability to deliver with high velocity and high-quality at the same time. You must have experience developing and designing amazing UI screens.
This person MUST have:
- BE Computer Science, MCA or equivalent
- Mobile app development experience.
- Good understanding of the full mobile development life cycle,strong debugging and problem-solving skills.
- Unit-test code for robustness, including edge cases, usability, and general reliability.
- Strong React Native experience
- Understanding of APIs, pagination,searching,sorting
- Creating high performance UI etc.
- Familiarity with native build tools, like XCode, Android Studio, Gradle.
- Leverage native APIsfor deep integrations with both platforms.
- Strong communication skills.
Experience:
- Min 3 year experience
- Not more than 15 year experience.
- Startup experience is a must.
Location
- Remotely, anywhere in India
Timings:
- 40 hours a week but with 4 hours a day overlapping with client timezone. Typically clients are in California PST Timezone.
Position:
- Full time/Direct
- We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc.
- We dont believe in locking in people with large notice periods. You will stay here because you love the company. We have only a 15 days notice period.
What you will do:
- Working with server-side JavaScript frameworks like Express based on Node.js
- Working in an Agile environment, particularly Scrum and JIRA
- Writing automated tests and testable code using Jest
- Connecting the UI with backend using REST API or GRAPHQL
- Transforming UX wireframes/design into responsive web pages
What you need to have:
- Minimum of 4 years (and above) experience in modern UI frameworks like ReactJS web/Native
- Experience and expertise in HTML, CSS and Javascript
- Familiar with UI design concepts and user interface design
- Experienced user of the GIT/GITHUB repository
- Experience with hands on UI development
- Experience in modern UI frameworks like ReactJS web/Native
Your key responsibilities will be converting PSD/Figma into HTML/CSS. You will also be responsible for writing clean, semantic front end code - HTML5, CSS3, JQuery, Java Script.
Selection Criteria
If your profile has selected then you have to attend a 3 hours assignment to move your candidature to the final round of interview.
Responsibilities for UI Developer
- Seek to enhance the user experience by creating seamless navigation through various digital programs and interfaces within the company
- Use coding to develop the aesthetics implemented within a website or product, from the layout menus and drop-down options to colors and fonts
- Combine interface design concepts with digital design and establish milestones to encourage cooperation and teamwork
- Develop overall concepts for improving the user experience within a business webpage or product, ensuring all interactions are intuitive and convenient for customers
- Collaborate with back-end web developers and programmers to improve usability
Qualifications for UI Developer
- 2-4 years of demonstrated experience in creating and implementing UI development
- Detailed experience with coding and the ability to troubleshoot and analyze websites using HTML, CSS and comparable languages
- Continued education and research into UI development trends and current design strategy and technology
- Professional written and interpersonal skills
- Ability to prioritize and manage multiple milestones and projects efficiently
- Advanced problem-solving skills and the ability to optimize code for the best possible outcome
- Ability to work effectively in a collaborative environment to create top-performing interfaces
- Proficient with visual design programs such as Adobe Photoshop
What we're looking for
AdPushup is an award-winning ad revenue optimization platform and Google Certified Publishing Partner (GCPP), helping hundreds of web publishers grow their revenue using cutting-edge technology, premium demand partnerships, and proven ad ops expertise. Our team is a mix of engineers, marketers, product evangelists, and customer success specialists, united by a common goal of helping publishers succeed. We have a work culture that values expertise, ownership, and a collaborative spirit.
Your Day-to-Day Tasks Include:
Ship product, independently and/or as part of a small team
Collaborate with other engineers to build new features
Debugging using dev consoles, firebug, firecookie, or any of your favorite tools. Help troubleshoot production issues and resolve critical customer facing issues Provide top-notch support to our customers
You Should Have:
3+ years of experience with React.
A strong body of prior front end work, including significant projects written in React and Redux. Mastery of JavaScript; expertise in most of the following technologies, and proficiency in all of them: CSS3, HTML5, AJAX.
Deep understanding of closures, prototypal inheritance, HTTP, web security, cross browser compatibility challenges.
Experience with NodeJS and Express JS will be a plus
Hands-on with a code management system like GIT, SVN.
Experience with NoSQL databases, preferably CouchDB or CouchBase.
Good to have: Experience with Typescript.










