May 2025 – Sep 2025 · 4 mos · Remote · Remote

• Worked as part of a 6-member QA automation team, leading test planning, tracking tasks in Jira, and coordinating daily stand-ups and sprint ceremonies.
• Built a full end-to-end automation framework (Hybrid: POM + TestNG + Data-Driven) for UI + API testing, improving test coverage and reducing manual effort.
• Automated complete website UI workflows using Selenium WebDriver, including login, forms, alerts, dynamic elements, tables, frames, windows, and validation scenarios.
• Developed API automation using Postman & REST Assured: GET/POST/PUT/DELETE, response validations, JSON schema checks, and chained API workflows.
• Wrote scalable automation scripts in Java, using OOP concepts, Collections, Exception Handling, and utility classes for reusable logic.
• Performed functional, sanity, regression, and cross-browser testing using Selenium Grid and Dockerized Selenium containers.
• Used TestNG for test suites, DataProviders, parallel execution, assertions, retry logic, and XML-based suite management.
• Implemented data-driven testing with Apache POI for reading/writing Excel-based test data.
• Integrated automation suite into Jenkins for CI/CD, scheduling, and automatic execution with report generation.
• Developed Postman test scripts for API collections with automated status/response validations and environment variables.
• Collaborated closely with developers to log, track, and retest defects using the Jira Bug Life Cycle.
• Delivered detailed Extent/Allure reports, logging, and dashboard insights for test execution summary and defect distribution.

Jan 2025 – Jun 2025 · 5 mos · Remote · Remote

• Delivered multiple AI SaaS platforms end-to-end, including custom RAG chatbots, voice assistants, agentic workflows, and intelligent automation systems built using LLMs, embeddings, and retrieval pipelines.
• Engineered dynamic crawling frameworks (Selenium, Crawlee) to extract multi-source data, generate analytics reports, and feed training pipelines for enterprise AI systems.
• Developed AI pipelines for CAD model analysis, generating structured reports on part condition, manufacturing quality, tolerance issues, and build consistency.
• Integrated ROS (Robot Operating System) with modern frontends, building a Three.js-powered robot control interface that enabled real-time workshop automation from Next.js and React Native apps.
• Built document intelligence workflows using OCR, NLP, and extraction models, including contract parsing, shipping discount computation, and automated business-report generation.
• Designed advanced customer-support AI systems:
• Context-aware RAG chatbots that flag recurring issues, search historical data, and escalate automatically.
• Real-time voice AI agents for customer support, call routing, and automated summaries.
• Built full-stack platforms using Next.js, TypeScript, ShadCN, FastAPI, Node.js, Python, integrating APIs for NLP, storage, analytics, payments, and authentication.
• Developed secure admin portals with user management, monitoring dashboards, and workflow controls using PostgreSQL, Redis, Firebase, and AWS S3.
• Automated complex document + voice pipelines, significantly reducing manual effort and improving accuracy across client operations.
• Led a cross-functional team of 4 (frontend, backend, design, AI) to deliver multiple high-impact client solutions under aggressive timelines.

Apr 2024 – Apr 2025 · 1 yr · Remote · Remote

• Architected and deployed Node.js & FastAPI microservices powering voice-AI, survey, and HR-tech workflows across AWS, GCP, and Azure.
• Built advanced audio-processing systems for compression, translation, voice analysis, and multi-browser format handling.
• Developed full-stack frontends using React (TS), Astro (JS), Tailwind, shadcn/ui, including fully custom UI components.
• Created a Google Forms–style psychological survey platform with voice/audio/video inputs, used by 100+ users weekly for assessments and research.
• Built the first version of a real-time AI recruiting platform (admin + recruiter + candidate) combining:
• RAG-driven candidate validation,
• Voice-analysis feedback,
• Speech-to-text + text-to-speech,
• Anti-malpractice detection.
• Used by 1,000+ candidates every week.
• Implemented Selenium crawlers, LinkedIn API automation, and dynamic email outreach pipelines for data enrichment.
• Deployed microservices via Docker Compose + Nginx, ensuring reliable cross-service communication.
• Migrated infrastructure AWS → Azure (DynamoDB, Lambda, EKS, S3, PostgreSQL; Docker VMs & vector embeddings; Azure containers & App Insights).
• Built, trained, and productionized AI models for drunk-audio detection and Parkinson’s prediction from voice, with continuous improvement loops.
• Collaborated with psychiatrists to design voice-analysis algorithms and automate mental wellness scoring.
• Built an admin dashboard with custom auth, credit systems, Stripe auto-renewal, and analytics via Google Analytics & Azure App Insights.
• Led a cross-functional team of 4 (backend, frontend, ML), delivering integrated, high-performance systems under tight deadlines.
• Improved backend latency by 60% using DynamoDB caching and optimized data flows.

Feb 2024 – Jul 2024 · 5 mos · Kolkata, West Bengal, India · Hybrid

• Built a Next.js medical scribe platform and a full-featured admin portal, powering workflows for 1,000+ clinicians across transcription, note generation, and clinical documentation.
• Integrated advanced AI systems using Whisper, Deepgram, and Together AI for real-time transcription, translation, summarization, and multi-language support.
• Developed scalable backend services with Node.js, Express, and MariaDB, optimizing query patterns and API flows to significantly reduce response times.
• Engineered Selenium-based crawlers to collect structured data for AI pipelines, automated workflows, and knowledge enrichment.
• Built secure and reliable full-stack systems with Google OAuth, Context API, and integrated payment flows using Stripe and PayPal.
• Designed analytics, tracking, and performance insights using Google Tag Manager (GTM) and custom dashboard components.
• Integrated AI models into production workflows, enabling automated note creation, voice processing, and real-time transcription improvements.
• Led a cross-functional team of 3 engineers (frontend + backend), delivering features end-to-end while collaborating closely with the DevOps team for AWS deployments and Jenkins-based CI/CD.
• Ensured cross-browser compatibility, developed standalone modules, and improved UI/UX using Material UI and MUI Charts.

Mar 2023 – Mar 2024 · 1 yr · Remote

• Spearheaded React and TypeScript website development with Azure Cosmos DB, achieving 30% faster data retrieval and a 20% reduction in server response time. Implemented secure role-based authentication.
• Engineered a C# API in .NET Core, optimising Azure Cosmos DB operations for a 25% boost. Managed seamless communication using Azure Signalr service, reducing data processing latency by 15%.
• Orchestrated Agile and GitHub collaboration improving team productivity by 15%. Implemented Azure CI/CD pipelines, resulting in efficient deployment and a substantial 30% reduction in release cycles.

Sep 2022 – Feb 2023 · 5 mos · Kolkata, West Bengal, India

• As a software developer, I weave intricate webs of seamless digital experiences for a sizable user base of over 70,000+ through my work on the CS FOR ALL website. I blend technical expertise in Node.js, React, databases, and various APIs to effortlessly craft and maintain a website that not only performs at peak capacity but also embodies the unique needs of the project.
• With a keen eye for detail, I conduct thorough testing and consistently update previous tasks to exceed expectations, as evidenced by positive reviews. My proficiency in web development guarantees that the website remains both reliable and user-friendly, creating a memorable experience for all users.

Apr 2022 – May 2022 · 1 mo · Remote · Remote

• Worked under the guidance of COO Nishant Kothari to develop and test smart contracts for Corum8 and its associated projects.
• Contributed to blockchain-based features, ensuring secure contract logic, reliable execution, and adherence to core functional requirements.
• Gained hands-on experience with decentralized application workflows, contract deployment, and project-specific blockchain integrations.
• Delivered original, evaluation-approved work that met all technical and functional criteria outlined by the organization.
• Developed foundational skills in Web3 development, contract architecture, and blockchain best practices.