Himank Pratap Singh

Digital Hypothecation Termination System (VAHAN Integration)

Developed backend APIs enabling the fully digital removal of vehicle hypothecation records after loan repayment, eliminating manual visits to RTO offices.

Key Contributions

• Designed and implemented Spring Boot APIs for an automated hypothecation termination workflow.
• Integrated system with banking and government platforms, enabling secure data exchange.
• Implemented secure authentication, request validation, and transaction processing.
• Built database schemas and optimized queries using PostgreSQL.
• Enabled automated updates of vehicle registration records once loan repayment is verified.
• Implemented real-time notification triggers, informing vehicle owners after process completion.
• Reduced manual paperwork and multiple RTO visits by enabling a fully digital workflow.

National Transport Repository (NTR) – Ministry of Road Transport and Highways.

Contributing as a full-stack engineer to a national platform providing secure access to vehicle and owner data for banks, manufacturers, enforcement agencies, and authorized organizations across India.

Key Contributions,

• Designed and developed multiple Spring Boot microservices for authentication, organization onboarding, and secure data-sharing services.
• Built production authentication services using Spring Security and JWT-based authorization.
• Developed organization onboarding and role-based access modules for secure platform access.
• Implemented APIs enabling masked and unmasked vehicle data retrieval workflows.
• Developed dashboard APIs, audit logging, and document upload services.
• Configured APISIX API Gateway for centralized routing, rate limiting, and security enforcement.
• Implemented encryption/decryption logic, securing inter-service communication.
• Designed scalable MongoDB schemas with architects for repository storage.
• Collaborated with deployment teams for Kubernetes-based production deployments on NIC infrastructure.

Additional Contributions,

• Developed an advanced string-matching system: Built a production-ready fuzzy matching utility for financier name verification using multiple algorithms (Jaro-Winkler, token similarity, edit distance) with weighted scoring, achieving over 85% match accuracy.
• Led the migration of a legacy homologation system from JSF to a modern microservices architecture using Angular (frontend) and Spring Boot (backend) with MongoDB, significantly improving system scalability, maintainability, and performance.
• Implemented API gateway security and authentication mechanisms.
• Migrated services from PostgreSQL to MongoDB, redesigning data models.
• Converted complex SQL queries into optimized MongoDB aggregation pipelines.
• Refactored monolithic applications into independently deployable services.
• Delivered Aadhaar-authenticated citizen service enhancements.

Invoice Management Platform.

• Developed Spring Boot services that automate invoice lifecycle workflows.
• Implemented JWT authentication and role-based authorization.
• Reduced processing latency by 35% using Docker and RabbitMQ asynchronous processing.
• Improved responsiveness via Redis caching.

Marketing Attribution Platform.

• Developed scalable microservices for campaign analytics processing.
• Integrated Elasticsearch for real-time analytics.
• Managed Kubernetes deployments achieving 99.8% uptime.
• Implemented event-driven communication via RabbitMQ.