Vivek Sahu

Frontend Developer with 4 years of experience building high-performance, scalable web applications using Vuejs, React, VueX, Pinia, Redux, and Node.js. Proven expertise in real-time systems (WebSockets, Socket.IO), CI/CD automation, and AI integration (OpenAI). Track record of improving application performance by up to 60%, Seeking Frontend Developer or Full-Stack Developer roles to deliver impactful, production-grade digital products.

Software Developer at Qallify.ai (2024-05 – Present)

• Engineered reusable, component-based Vue.js UI components, reducing code duplication and improving maintainability across the application.
• Developed complex front-end features including audio/video recorder, media player, and real-time speech-to-text interface using JavaScript and Vue.js.
• Diagnosed and resolved critical UI bugs and performance bottlenecks, improving application load speed and overall user experience.
• Built a chunked video upload system with resumable session management, enabling reliable large-file transfers with per-chunk validation and sequential append logic.
• Designed and implemented an async recording job queue with configurable worker concurrency, TTL-based cleanup, and real-time status tracking via a REST polling endpoint.
• Integrated ElevenLabs Conversational AI audio, building a multi-region fallback fetch pipeline (with exponential backoff) that mixes agent audio into candidate video recordings using FFmpeg.
• Automated AWS S3 uploads with programmatic public-access policy configuration, generating CDN-ready signed URLs for client-side media playback.
• Developed MySQL-backed metadata persistence for video interview recordings, including auto-provisioned schema creation and parameterized insert queries via a connection pool.
• Tech Stack: Node.js, Express.js, Vue.js, JavaScript (ES6+), AWS S3, MySQL, FFmpeg, ElevenLabs API, HTML5, CSS3, Bootstrap, REST APIs, Figma, Git

Associate Software Developer at Qallify.ai (2023-05 – 2024-04)

• Built and maintained responsive user interfaces using Vue.js, JavaScript, HTML5, CSS3, and Bootstrap, achieving pixel-perfect implementation of Figma designs.
• Translated UI/UX wireframes and mockups into fully functional, cross-browser compatible web pages across desktop and mobile viewports.
• Optimized front-end codebase through component refactoring and code reviews, improving UI consistency and reducing defect rate across modules.
• Ensured consistent branding and design standards across all client-facing interfaces through close collaboration with design and product teams.
• Participated in sprint planning and daily standups, delivering features aligned with business requirements and release timelines.
• Tech Stack: Vue.js, JavaScript (ES6+), HTML5, CSS3, Bootstrap, SCSS, Figma, Git

Web Developer at Qallify.ai (2022-09 – 2023-04)

• Developed user interfaces and navigation components using Vue.js, HTML5, and CSS3 based on design specifications.
• Built and maintained responsive HTML email templates, ensuring cross-client rendering compatibility.
• Contributed to front-end feature development and participated in code reviews to maintain code quality standards.
• Tech Stack: Vue.js, JavaScript, HTML5, CSS3, Git

Frontend Developer – Intern at Xircls (2022-06 – 2022-08)

• Developed dynamic, data-driven dashboards and responsive web pages using HTML5, CSS3, and JavaScript.
• Built interactive calendar and invoice generator modules, gaining hands-on experience with component-driven front-end development.
• Tech Stack: HTML5, CSS3, JavaScript, Git

Bachelor of Science in Information Technology – L.S. Raheja College of Arts, Commerce, and Science, Mumbai

Higher Secondary Certificate – S.A. Podar Jr. College

Secondary School Certificate – Air India Modern School