Vimal Desai

I led the end-to-end development of **String ERP**, architecting and building the platform from scratch using React.js. I established strong engineering standards with ESLint, Prettier, Commitlint, and Docker to ensure code quality, consistency, and scalable resource management.

From project inception, I have overseen product planning, client communication, requirement analysis, and feature roadmapping. I manage sprint cycles and deliver production releases every 15 days, ensuring predictable and stable deployments. Additionally, I handle server infrastructure, containerization, and CI/CD pipelines using Docker and GitLab CI/CD to maintain reliable and automated release workflows.

We have implemented several unique, domain-specific features that differentiate String ERP from typical market solutions.

The first digital platform launched by ETK, designed to provide end-to-end solutions for companies conducting business in, out of, and within Africa. The platform streamlined cross-border operations through a centralized, scalable system tailored for diverse regulatory and operational requirements.

Through this project, I strengthened my ability to design highly reusable and adaptable components, implement scalable folder structures, and establish clean architectural patterns to support long-term maintainability and growth—aligning development standards with enterprise-level expectations.

At Mastery Logistics, I contributed to the Mastery Cloud TMS, a high-traffic SaaS platform for large-scale transportation. As a Full-Stack Engineer, I developed responsive UIs using TypeScript and Redux Toolkit for optimized state management. On the backend, I built modular APIs with NestJS in a monorepo, utilizing JMeter for performance benchmarking to meet strict P90 latency standards.

A key achievement was driving a large-scale database migration from MySQL to PostgreSQL. I authored PRDs and technical documentation to guide the architecture, while optimizing data retrieval via GraphQL through strategic indexing and field filtering. To ensure 100% data integrity, I engineered a custom TypeScript automation script that performed real-time comparative analysis between legacy and new databases, generating automated discrepancy reports. This tool significantly reduced testing overhead and ensured a seamless, zero-data-loss transition for mission-critical geolocation and logistics data. My work spanned full-cycle development, from initial planning to production performance tuning, maintaining high-velocity delivery within an Agile framework.

As a senior full-stack engineer in a high-impact team of three, I collaborated directly with the CEO (a former Lead at Zillow) to build the RentBase rental portal from the ground up. I held full ownership of the frontend architecture, developing a library of reusable components and a high-performance, responsive UI using React.js and TypeScript. My back-end contributions involved building NestJS APIs and executing mission-critical integrations with TransUnion for automated renter background and credit checks.

Operating without a dedicated QA team, I engineered a comprehensive end-to-end (E2E) automated testing suite using Postman pre-scripts and post-scripts. This suite automated the entire user lifecycle—from account creation for renters and agents to property listing, customer interest triggers, and final report generation. By replacing manual verification with this full-flow automation, I drastically reduced testing overhead and ensured stable, zero-defect deployments for complex onboarding features. This project highlights my ability to deliver enterprise-grade software and automated quality engineering in a fast-paced startup environment.