Headline

SDE-2 @ LightningNodes Technologies | Backend Engineer | Fintech & Payments | Microservices | AI-Assisted Systems & Distributed Architecture

About

Backend Engineer with ~3 years of experience building fintech payment systems and scalable backend services. Experienced in Node.js, TypeScript, NestJS, PostgreSQL, Redis, and event-driven architectures. Worked on PayIn/PayOut infrastructure, distributed systems, and AI-assisted analytics for pricing optimization.

Location

Bengaluru

AI stack

claude

codex

cursor

deepseek

github copilot

kimi

Work experience

SDE-2 at Pi42, May 2026 - Present · 4 mos

Senior SDE-1 at Pi42, Nov 2025 - May 2026 · 7 mos, Leading development of core PayIn/PayOut systems powering real-time financial transactions. • Built and scaled payment systems handling 1000+ daily transactions with ₹1.5Cr+ daily volume • Achieved 95%+ success rate for automated withdrawals through fault-tolerant design and retry mechanisms • Architected event-driven asynchronous pipelines for transaction lifecycle management and reconciliation

SDE - 1 at Pi42, Sep 2023 - Nov 2025 · 2 yrs 3 mos, Worked on backend systems supporting trading and payment workflows, focusing on reliability, reporting, and internal tooling. • Designed and implemented a role-based admin panel with granular access for compliance, support, and admin teams • Developed trading reports and INR ledger reports used for tax filing and financial reconciliation • Built system alerts and sanity checks to validate order execution, positions, and transaction consistency

SDE - 1 at TaxNodes, Sep 2023 - Nov 2023 · 3 mos, Bengaluru

QA Intern at TaxNodes, Jun 2023 - Sep 2023 · 4 mos, Bengaluru, Karnataka, India

Summer Intern at Zoho, Jul 2022 - Aug 2022 · 2 mos

Education

Bachelor of Engineering - BE, Mechatronics, Thiagarajar College of Engineering

kendriya vidyalaya

Public links

github: https://github.com/Radhakrishnan1110