Milan Kumar Niroula

Senior Software Engineer · Backend & Distributed Systems Specialist

Bengaluru, India

Summary

Senior Software Engineer with 7+ years of end-to-end ownership of high-traffic backend systems across fintech, enterprise SaaS, and government platforms. Deep expertise in Java/Spring Boot microservices, distributed systems, and AWS-native architectures. Delivered measurable impact: 1,000ms latency reduction, 40% throughput improvement, 99.9% uptime, and 50% default-rate reduction in fintech. Adept at leading engineering teams, navigating complex stakeholder environments (Goldman Sachs, Morgan Stanley), and evolving legacy systems into modern, cloud-native stacks.

Key achievements

  • 1,000ms latency reduction via Redis caching — measurable UX impact across 45K+ users.
  • 40% deployment cycle reduction at Goldman Sachs via Argo CD adoption.
  • 99.9% production uptime maintained at Morgan Stanley financial trading platform.
  • 50% default rate reduction in fintech through real-time data tracking and automated alerts.
  • 1.2M+ visitor system delivered with zero downtime for State Carnival Ticketing.
  • Closed critical CVEs and achieved security compliance via HashiCorp Vault across 12+ services.

Skills

Languages
Java (Primary), Python, PHP, Shell Scripting
Frameworks & APIs
Spring Boot, Microservices, RESTful APIs, JUnit, Maven
Cloud & DevOps
AWS (EC2, S3, Lambda), Docker, Kubernetes, Argo CD, CI/CD
Databases & Caching
MySQL, Redis (in-memory caching), DBMS, Data Archival Pipelines
Data & Orchestration
Apache Airflow
Messaging & Security
Apache Kafka, HashiCorp Vault, Spring Security, OAuth2
Tools & Platforms
Apache Tomcat, Linux, Git, IntelliJ, Postman
Specializations
Distributed Systems Design, High-Throughput Processing, DSA, Security & Compliance

Experience

Senior Technology Consultant

Ernst & Young LLP, BengaluruMarch 2024 – Present

Engagement: Morgan Stanley · Feb 2025 – Present

  • Architect and deliver distributed microservices for high-traffic financial trading platforms, improving system modularity and enabling independent scaling of critical services.
  • Streamlined client onboarding pipelines through automated service integration and API contract design, cutting manual effort by ~30%.
  • Maintained 99.9% system availability across production environments through rapid incident response, proactive monitoring, and continuous performance tuning.
  • Collaborated with cross-functional teams across time zones to align technical delivery with business milestones.

Engagement: Goldman Sachs · Mar 2024 – Dec 2024

  • Engineered scalable backend authentication APIs using Spring Boot and Python (Boto3), optimising S3 data retrieval for millions of verification requests daily.
  • Designed and implemented an automated data archival pipeline using cron jobs and S3 lifecycle policies, reducing storage costs and improving historical data retrieval time by 35%.
  • Led a legacy system migration from Apache Tomcat 5 to Tomcat 7, achieving a 25% performance improvement and closing critical security vulnerabilities.
  • Automated CI/CD deployment workflows by adopting Argo CD, cutting release cycle time by 40% and reducing human error in deployments.
  • Implemented HashiCorp Vault for centralised secrets management, achieving enterprise-grade security compliance and eliminating hardcoded credentials across 12+ services.

Backend Engineer

KOKSAMLAI IT Solutions, Manipur / RemoteOctober 2018 – March 2024

  • Architected an AWS-based multi-tenant SaaS platform serving 45,000+ active users with high availability and fault tolerance (EC2, S3, Lambda).
  • Reduced system latency by 1,000ms through strategic Redis caching of biometric data, directly improving user experience across authentication-heavy workflows.
  • Designed distributed application layers capable of handling 5,000+ concurrent users, achieving a 40% throughput increase under peak load.
  • Built and maintained robust role-based authentication and authorisation systems (RBAC), improving overall security posture by 70%.
  • Led engineering delivery for a State Carnival Ticketing System processing 1.2M+ visitor records, maintaining 100% uptime during high-traffic events.
  • Developed a data-driven loan tracking system for a fintech client that reduced default rates by 50% through real-time delinquency alerts and automated follow-up workflows.
  • Mentored 3 junior engineers, conducted code reviews, and established team-wide coding standards and Git workflows.

Notable projects

Biometric Attendance System

KOKSAMLAI IT Solutions

Designed and delivered a biometric-based employee attendance tracking system, improving attendance accuracy by 90% over manual registers and integrating with payroll workflows.

State Carnival Ticketing System

KOKSAMLAI IT Solutions

Led the full backend engineering effort for a government-scale ticketing platform serving 1.2M+ visitors; ensured 100% uptime during peak load through load balancing and pre-event stress testing.

Education & certifications

  • Bachelor of Science (B.Sc) — Manipur University, 2016
  • Professional Certification in Software Engineering — NIIT, 2017

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