Open to opportunities

Diwakar User

@diwakaruser1

Message

I build secure, high-scale Node.js and Angular platforms for banking, healthcare, and enterprise teams.

India

Message

What I'm looking for

I'm seeking a Senior Engineer role where I can build resilient, high-scale systems, lead technical delivery, improve performance and security, and contribute remotely across shifts between 6:00 AM and 8:00 PM IST.

I've built secure, full-stack platforms for CIBC, Microsoft, T-Mobile, and healthcare teams using Node.js, Angular, TypeScript, NestJS, and microservices.

At Kumaran Systems, I architected the CIBC DCC Portal for FX payouts, disputes, and rate inquiries. I also built a centralized Azure service layer, strengthened MFA, SSO, mTLS, and OWASP controls, eliminated critical vulnerabilities, and raised unit-test coverage above 90%.

Previously, I built an automated Node.js and Temporal testing framework for a Microsoft client that improved testing efficiency by 30%, and replaced much of the manual regression process with Cucumber-driven E2E automation.

I've delivered always-on healthcare device ingestion, real-time glucose visualizations, live auction experiences, authentication flows, and enterprise workflow applications. I enjoy mentoring developers, improving performance, and building resilient systems that teams can trust.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Kumaran Systems

Jul 2024 - Present (2 years 1 month)

Architected full-stack CIBC DCC Portal (Angular, Node.js/Express, NestJS) delivering FX payout, dispute, and rate-inquiry workflows for enterprise banking. Built centralized Azure Helper module and implemented MFA, SSO, and hardened Express middleware to remediate OWASP Top-10 findings.