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Resume / CV

7+ Years Building Backend Systems That Scale

From fintech platforms processing 50K+ daily transactions to enterprise ERP systems — proven track record of architecting reliable, high-performance distributed systems with Java, Spring Boot, and Kafka.

GAUTAM THAPA

Senior Technical Lead & Backend Architect

Java • Distributed Systems • Fintech & SaaS Platforms • 7+ Years

Professional Summary

Senior Technical Lead with 7+ years of experience designing and scaling distributed backend systems for fintech and SaaS platforms. Currently owning architecture and delivery of high-throughput systems processing 50K+ daily transactions with p99 latency under 200ms and 99.9% uptime. Proven track record of leading teams of up to 12 engineers, improving release velocity 4×, and reducing production incidents by 40% through strong engineering practices.

Key Achievements

Awarded "Employee of the Year 2020" for technical leadership and delivery excellence at I-MADE

Architected event-driven platform processing 50K+ daily transactions with exact-once guarantees and 99.9% uptime

Improved release velocity (monthly → weekly) and reduced production incidents by 40%

Technical Skills

Languages & Frameworks

Java (8, 11, 17, 21)Spring BootSpring Security (JWT/OAuth2)Spring Data JPAHibernateMyBatis

Architecture & Systems

MicroservicesEvent-Driven ArchitectureApache KafkaCQRSSaga PatternDistributed SystemsLLD/HLDDDD

Databases & Caching

MySQLPostgreSQLMongoDBRedisElasticsearch

Cloud & DevOps

AWS (EC2, S3, RDS, IAM, CloudWatch)DockerKubernetesGitLab CI/CDJenkins

Observability

PrometheusGrafanaELK StackSonarQubeDistributed Tracing

Experience

Senior Technical Lead

Cfomantra Fintech Pvt. Ltd.New Delhi

Dec 2023 – Present

  • Own backend architecture for fintech SaaS platform serving 500+ enterprise clients
  • Lead cross-functional team of 12 engineers (Backend, Frontend, QA, DevOps)
  • Architected event-driven microservices handling 50K+ daily financial transactions with Kafka, Saga, CQRS
  • Improved deployment frequency 4× with GitLab CI/CD and blue-green deployments
  • Enforced 85%+ test coverage, reducing post-release defects by 40%
  • Designed observability stack (Prometheus, Grafana, ELK) maintaining 99.9% uptime
  • Led third-party integrations (Tally ERP, Busy), reducing manual data entry by 80%

Project Lead / Senior Backend Engineer

Mirrorsize US Inc.Noida

Aug 2021 – Dec 2023

  • Led backend for AI-powered 3D body measurement platforms for global e-commerce
  • Managed 4 parallel projects across backend, frontend, product teams
  • Designed REST APIs handling 10K+ daily requests with p99 latency under 150ms
  • Improved API performance 3× through Redis caching and query optimization
  • Translated R&D prototypes into production-ready systems

Senior Software Engineer

I-MADEGurugram

Jul 2019 – Apr 2021

  • Delivered ERP platforms for IIT Kanpur and IIT Delhi, serving 10,000+ users
  • Reduced data migration errors by 95% with fault-tolerant APIs
  • Mentored 5+ junior engineers; 3 promoted to senior roles
  • "Employee of the Year – 2020"

Software Engineer

Imagination Learning SystemsNew Delhi

Jun 2018 – Jun 2019

  • Built academic ERP modules (finance, inventory, HR)
  • Reduced development time by ~30% with reusable components

Key Projects

Cashflow Management Platform (Cfomantra)

15+ microservices, Saga/CQRS, real-time transaction tracking

Third-Party Accounting Integrations

Adapter-based layer for Tally ERP/Busy with retry and idempotency

AI-Powered Size Recommendation Engine (Mirrorsize)

10K+ daily requests, Redis caching, OAuth2

Educational ERP System (I-MADE)

Enterprise ERP for IITs, 10,000+ users, 100K+ records

Education

Bachelor of Computer Application (BCA)

IKG Punjab Technical University

2012 – 2016