Nihil Joseph Pellissery

Available to hire

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
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Work Experience

Software Engineer at Rhombuz LLC
November 1, 2025 - November 1, 2025
Engineered a scalable Developer Portal using React.js, Node.js, MongoDB, and Swagger UI to streamline API onboarding, sandbox testing, and rate-card management. Improved developer experience and reduced partner integration time by 40%. Implemented a secure Client Secret Rotation service enabling self-rotation of credentials via the Developer Portal, reducing admin provisioning workload by 60%. Led the News Management module with RBAC publishing and automated cleanup jobs, enhancing content governance and reducing manual effort by 50%. Built an API Sandbox environment for pre-purchase API testing to boost partner confidence and shorten onboarding timelines. Enforced WCAG 2.1 accessibility across portal components. Established testing practices with Jest and Supertest, boosting code coverage by 30%. Pioneered an AI-driven API discovery assistant using LangChain, FastAPI, and React to search 1,000+ APIs and auto-generate Postman collections, accelerating API implementation by 60%. Led a 5
Software Engineer at Deloitte USI
August 1, 2022 - August 1, 2022
Built an MVC Node.js (TypeScript) backend for a financial data pipeline with comprehensive logging and failure/success tracking. Designed a CI/CD pipeline using GitHub Actions and Packer to automate AMI creation and deployment. Instrumented infrastructure with Terraform to provision scalable AWS resources and used ALB for peak traffic scaling. Implemented Lambda-based microservices for CSV/ZIP transfers to S3, improving development time and reliability. Collaborated across teams to write unit tests, enabling reliable code and faster delivery; contributed to increased customer satisfaction through iterative Agile delivery.
Software Engineer at KPMG Global Services
March 1, 2021 - March 1, 2021
Automated sales order creation via a React web app with REST endpoints, eliminating ~100 hours of manual entry. Implemented in-memory caching with Redis to reduce API latency. Introduced Jest for unit testing of REST APIs, decreasing errors and improving reliability. Refactored SF52 federal form submission with a React app, integrating REST APIs for PII generation and validation, reducing workload by 80%. Optimized Oracle DB SQL processing with improved queries, yielding ~60% faster monthly accounting data retrieval.

Education

Master of Science in Information Systems at Northeastern University
September 1, 2022 - May 1, 2024
Bachelor of Engineering in Computer Engineering at University of Mumbai
August 1, 2013 - May 1, 2017
Master of Science in Information Systems at Northeastern University
September 1, 2022 - May 1, 2024
Bachelor of Engineering in Computer Engineering at University of Mumbai
August 1, 2013 - May 1, 2017

Qualifications

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Industry Experience

Software & Internet, Professional Services