Aman Tiwari

I’m Aman Tiwari, currently working as a Software Developer at TradeIndia. I’m exploring new opportunities and would love to be considered for relevant Software Developer/Backend Developer roles

Software Developer at TradeIndia (2025-08 – Present)

• Architected a scheduled push notification service using Cron and RabbitMQ queue pipelines with PostgreSQL, enabling follow-up reminders on inquiries and buy trade leads with multi-platform delivery (FCM, APNs, Web Push), achieving 99.5% delivery success via automatic retry and dead-letter-queue handling.
• Integrated a secure payment gateway processing 10,000+ transactions/month, implementing payment verification, webhooks, failure recovery, and transaction reconciliation, achieving a 98% payment success rate.
• Migrated a production microservice database from PostgreSQL to Amazon RDS, refactoring 200+ SQL queries for asynchronous access, achieving 30% lower query latency, 40% improved scalability, and 99.9% database availability with zero data loss.
• Developed and streamlined scalable RESTful APIs using Node.js, Express.js, and Python FastAPI, improving average API response time by 30–50%.
• Tuned complex PostgreSQL and MySQL queries and introduced Redis/in-memory caching, reducing query execution time by 40%+ and database load by 20–30%.
• Built microservice-style backend components, asynchronous processing flows, and AI-assisted features, including OCR-based document processing and LLM-based summarization workflows.
• Enhanced Elasticsearch query performance and indexing strategies using the ELK Stack, using Kibana dashboards for performance monitoring and reducing search query latency by 30%.
• Refactored backend modules using OOP principles and clean-code practices, including SOLID, DRY, and KISS design principles, reducing future bugs by approximately 20%.
• Debugged production issues related to API failures, database errors, session inconsistencies, and performance bottlenecks, improving system stability by approximately 25% and reducing MTTR by approximately 35%.
• Built API workflows handling structured data formats such as JSON, backend validation, third-party integrations, and internal service communication.

Bachelor of Technology in Computer Science and Engineering – Dr APJ Abdul Kalam Technical University (2022-10 – 2026-05)