KULDEEP SINGH

Software Engineer

Delhi, India1 yr 9 mos experience

Key Highlights

  • Expert in building scalable fintech systems.
  • Led transformation to LLM-powered conversational interfaces.
  • Skilled in microservices and secure banking integrations.
Stackforce AI infers this person is a Fintech Backend Engineer specializing in scalable systems and AI integrations.

Contact

LinkedIn

Skills

Core Skills

Large Language Models (llm)GolangMicroservices

Other Skills

AESAPI developmentAPI integrationAmazon Web Services (AWS)AutomationBulk paymentsC (Programming Language)C++FastAPIGORMGinGo (Programming Language)JavaScriptPostgreSQLPython (Programming Language)

About

Software Engineer with a focus on building scalable, reliable systems in fintech and automation. Experienced in designing microservices for virtual account management, bulk payments, and secure multi-bank integrations using RSA and AES. Driving the shift from rule-based workflows to LLM-powered, context-aware conversational interfaces using RAG architecture—enabling adaptive support and dynamic response generation. Skilled in Golang, PostgreSQL, Docker, Redis, RabbitMQ, and CI/CD. Passionate about simplifying complex systems and delivering real business impact through robust backend architecture.

Experience

Unplex

Software Engineer

May 2025 – Present · 10 mos · San Francisco Bay Area · Remote

  • Leading the transformation of Unplex’s WhatsApp interface by integrating LLMs with RAG architecture
  • Replacing rule-based workflows with intelligent, context-aware conversational AI
  • Building adaptive support experiences using AI-driven retrieval and dynamic response generation
Large Language Models (LLM)RAG architectureGolang

Nupay

2 roles

Associate Software Engineer

Promoted

Jun 2024 – May 2025 · 11 mos · Gurugram, Haryana, India · On-site

  • Built a Microservice for virtual account management to improve reconciliation and cash flow tracking.
  • Designed a bulk payment system to handle high-volume transaction processing efficiently.
  • Integrated multiple bank APIs (IDFC, Yes Bank, RBL) for seamless multi-account payouts.
  • Secured bank communication using a custom RSA + AES encryption library
MicroservicesRSAAESBulk paymentsAPI integrationGolang

Back End Developer

Aug 2023 – May 2024 · 9 mos · Gurugram, Haryana, India · On-site

  • Developed wallet-to-wallet transfer APIs to streamline fund movement.
  • Automated transaction reports with cron jobs and email triggers.
API developmentAutomationGolang

Education

Lovely Professional University

Bachelor of Technology - BTech — Computer Science and Engineering

Jan 2020 – Jan 2024

Saraswati Vidhya Mandir

Jan 2012 – Jan 2019

Stackforce found 100+ more professionals with Large Language Models (llm) & Golang

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