Bandirajula Vinay Kumar
Frontend & React Developer | JavaScript · TypeScript · Python | REST APIs · FastAPI | TailwindCSS · Material UI | 2.5 Yrs Building Scalable Web Apps | Open to Frontend, React & Full Stack Roles · Hyderabad
I build interfaces that are fast, intuitive, and — most importantly — actually shipped. With 2.5 years as a Frontend Developer at RandomTrees (Hyderabad), I specialize in React.js, JavaScript (ES6+), TypeScript, and Python — turning complex requirements into clean, component-driven UIs. I've shipped dashboards for Nissan's automotive analytics team, built data visualisation tools for Universal Music Group, and developed exam management portals used in production. My work lives at the intersection of UI and data: I integrate REST APIs and FastAPI backends, work with SQL/Snowflake/BigQuery for analytics-driven frontends, and optimize performance using React.memo, lazy loading, code splitting, and Zustand for state. I reduced API latency by 45% and improved load times by 30% in production environments — not in a sandbox. I follow WCAG accessibility guidelines, write reusable TailwindCSS + Material UI component libraries, and collaborate in Agile/Scrum sprints with cross-functional teams. I hold LinkedIn Skill Assessments in CSS3 and am comfortable contributing to full stack Python (FastAPI) features when the project demands it. 🔗 Portfolio: vinay-portfolio-profile.netlify.app | GitHub: github.com/vinay-kumar-bandirajula Open to Frontend Developer, React Developer, UI Developer, and Full Stack Python roles in Hyderabad (hybrid/remote).
Experience
Frontend Developer
RandomTrees · Sep 2023 – Present
- Boosted React app load time by 30%, measured via Lighthouse scores, by implementing code splitting, lazy loading, and React.memo across 15+ production components.
- Cut REST API response latency by 45%, measured in production monitoring, by optimizing Axios request handling and introducing debounced state updates with Redux.
- Engineered a real-time resource tracking dashboard (RC-Tracker) handling 500+ concurrent resource records by migrating global state to Zustand from Context API.
- Delivered an analytics UI for Universal Music Group's ETL migration, measured by zero post-release defects, by building reusable Chart.js + React visualisation components integrated with Snowflake and BigQuery APIs.
- Achieved cross-browser WCAG 2.1 AA compliance across 3 enterprise modules, measured by automated axe-core audits, by refactoring legacy HTML to semantic markup and ARIA roles.
- Reduced sprint QA cycle time by collaborating daily with 3 backend engineers and 2 designers in Agile sprints, shipping 100% of planned features across 6 consecutive sprints.
Frontend Developer Intern
RandomTrees · May 2023 – Aug 2023
- Accelerated UI delivery by 20%, measured by sprint velocity, by building 10+ responsive Bootstrap + React components reused across 2 internal products.
- Improved cross-browser UI consistency across Chrome, Firefox, and Safari by auditing and fixing 25+ CSS layout bugs during the internship period.
- Contributed to a scalable component library architecture that reduced average new-feature dev time by 1 day per feature for the full-time team.
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Education
Bachelor of Technology - BTech, Electronics and Communications Engineering
Joginpally B.R Engineering College · 2018 — 2022
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