Senior Software Engineer- Privy (Front end)

IDfy who?

IDfy is an Integrated Identity Platform offering products and solutions for KYC, KYB, Background Verifications, Risk Assessment, and Digital Onboarding. We establish trust while delivering a frictionless experience for you, your employees, customers and partners.

Only IDfy combines enterprise-grade technology with business understanding and has the widest breadth of offerings in the industry. With more than 12+ years of experience and 2 million verifications per day, we are pioneers in this industry.

Our clients include HDFC Bank, Induslnd Bank, Zomato, Amazon, PhonePe, Paytm, HUL and many others.

We are the match if you are...

Frontend Skills

• Proficient in JavaScript (ES6+), TypeScript; Knowledge of any modern library or frameworks is an advantage (e.g., React, Vue.js, or SolidJS/Angular).

• Working knowledge of web-workers and service-workers

• Deep understanding of the Document Object Model (DOM), DOM Events and its applications and manipulation.

• Expertise in HTML5, including semantics, accessibility, and web standards.

• Strong CSS skills, including layouts (Flexbox, Grid), animations, and pre-processors like SASS or LESS.

• Solid understanding of browser rendering pipelines and performance optimization techniques (e.g., lazy loading, virtual windowing, and code splitting).

• Knowledge of common frontend patterns such as debouncing, module patterns, and proxy patterns to create reusable and maintainable JavaScript components.

Build and Performance Optimization

• Hands-on experience with module bundlers like Webpack, Vite, or Rollup.

• Knowledge of tree-shaking, code splitting, and other best practices for optimizing frontend assets.

• Expertise in building scalable applications with large data sets using techniques like virtual DOM and virtual scrolling

• Proficiency with Browser APIs, including Web Storage, Device API, Service Workers, and Canvas API.

• Experience managing cookies with emphasis on secure attributes like HTTP-only, SameSite, and Secure flags.

• Understanding and implementation of cross-domain communication via iframes and secure practices for handling such scenarios.

• Backend Awareness

• Ability to design and implement simple backend APIs using any backend technology (Elixir/Phoenix knowledge is a plus).

• Basic understanding of API authentication mechanisms (e.g., JWT, OAuth).

• General

• Strong understanding of event loop concepts and their implications on frontend performance and responsiveness.

• Excellent debugging and problem-solving skills.

• Familiarity with Agile methodologies and CI/CD practices.

• Strong written and verbal communication skills.

Here s what your day would look like...

• Design and implement efficient, reusable, and reliable frontend components.

• Optimize web applications using advanced frontend performance techniques, such as lazy loading, virtual windowing for large lists, and bundle optimization.

• Develop dynamic and responsive interfaces using HTML5, CSS3, and advanced DOM manipulation techniques.

• Leverage Browser APIs and handle complex scenarios like iframe embedding, cross-domain communication.

• Implement secure and performant cookie handling practices and manage cross-domain communications securely.

• Collaborate with the backend team to design and implement simple RESTful APIs and integrate them seamlessly with the frontend.

• Collaborate with Product & Design to build intuitive and user friendly interfaces to translate user requirements into scalable solutions.

• Debug and resolve performance bottlenecks across browsers and devices.

• Stay updated with the latest frontend trends, frameworks, and tools.

3 - 5 years

B.Tech/B.E

Software Design , Agile Application Development