Rutvikraj Vaa

Results-driven Frontend Engineer with 4+ years of experience building high-performance, scalable, and resilient enterprise-level applications. Proven expertise in designing and implementing Micro Frontend (MFE) architectures that support 1M+ daily users with zero downtime for KPN — one of the Netherlands' largest telecom providers. Skilled in Angular (v8–v20), TypeScript, RxJS, NgRx, and Nx monorepo.

Adept at leading technical initiatives, driving measurable outcomes, and leveraging AI-assisted development tools (GitHub Copilot, LLMs) to accelerate delivery and improve code quality. Open to Senior Frontend / Angular Engineer roles in India and Remote.

Associate Software Engineer at Cognizant Technology Solutions India Pvt. Ltd. (2022-02 – Present)

• Developed and maintained a B2B portal for enterprise users to manage business services and a Self-Care App for customers in the Telecommunications domain (KPN, Netherlands) — serving 1M+ daily users with zero downtime.
• Migrated production frontend from Angular 18 → Angular 20, improving application performance, maintainability, and compatibility with modern frameworks and tooling.
• Designed and implemented Micro Frontend (MFE) architecture using Module Federation, enabling modular development and independent deployments across multiple cross-functional teams.
• Built and tested 20+ reusable UI components using Jest and Cypress, reducing frontend development time by 50% and improving code reusability across teams.
• Resolved 5+ critical bugs per sprint, improving system stability and reducing production downtime by 45%.
• Implemented advanced RxJS operators (combineLatest, switchMap, debounceTime, mergeMap) to handle concurrent API calls and realtime event streams, reducing redundant network requests and improving responsiveness.
• Implemented Agile/SCRUM methodologies including sprint planning, retrospectives, and backlog grooming — contributing to a 30% increase in user retention.
• Leveraged GitHub Copilot and LLM-based tools to accelerate component scaffolding, code review, and documentation, improving individual delivery speed.
• Tech stack: Angular 19/20, TypeScript, HTML5, CSS3, RxJS, NgRx, Nx, Git, Bitbucket, Jira, Jenkins, Cypress, Jest, Storybook, Percy.

Web Development Intern at Spectra Therapeutics Pvt. Ltd. (2021-06 – 2021-08)

• Developed the company website on WordPress, leveraging strategic plugins to enhance consumer payment experiences and optimise order management — resulting in a 40% increase in online sales volume.
• Implemented a CMS workflow that reduced content update time for non-technical staff, improving operational efficiency.

B.Tech. in Information and Communication Technology (ICT) – Pandit Deendayal Energy University (2018-08 – 2022-05)

Higher Secondary Certificate in Science Stream – Utkarsh School of Excellence (2016 – 2018)