---
title: "Raushan Kumar - Software Engineer in Bengaluru | Tal"
description: "Meet Raushan Kumar, Java Full Stack Developer | Keyvitse Technologies | Java, Spring Boot, Kafka, Microservices, Angular, React, AWS | Fintech & AI based in Bengaluru. AI stack includes antigravity, claude code, and cursor."
image: "https://tal.club/meet/raushan-kumar-10/share-image"
---

# Raushan Kumar on Tal

## Headline

Java Full Stack Developer \| Keyvitse Technologies \| Java, Spring Boot, Kafka, Microservices, Angular, React, AWS \| Fintech & AI

## About

Engineering high\-performance, production\-ready fintech applications as a Java Full Stack Developer with 3\+ years of experience\. Specialized in building secure, scalable backend systems and end\-to\-end full stack solutions that drive measurable business impact\. What I Do: • Design and develop financial platforms including onboarding workflows, loan management systems, investment and portfolio APIs, and cashflow distribution engines • Build secure REST APIs with Spring Security, OAuth 2\.0, JWT, and RBAC • Develop batch processing systems with rollback and failure\-handling to ensure data consistency • Own features from design to production, including deployment, monitoring, and production support Technical Expertise: • Backend: Java, Spring Boot, Spring MVC, Spring Security, Hibernate, JPA, REST APIs, Microservices • Frontend: Angular, TypeScript, JavaScript • Databases: PostgreSQL, MongoDB, Oracle SQL • Cloud & DevOps: AWS \(EC2, S3, API Gateway, CloudWatch, SQS, SNS\), Docker, CI/CD • Tools: Git, Postman, Swagger, JUnit, Mockito, IntelliJ IDEA Recent Impact: • Designed and developed end\-to\-end Lender and IFA onboarding lifecycle APIs with multi\-role support \(single user mapped to multiple lender and partner IDs\), handling over 1M\+ requests daily and driving 1M\+ onboardings per month in production\. • Reduced manual KYC effort by 50% through automated LMS integrations \(CKYC, Video KYC, AA, CIBIL, eSign, eNACH\) • Built complex cashflow and ledger batch systems handling EMI allocation, prepayments, and lender settlements • Developed a reusable RegTech validation library for PAN, Aadhaar, and bank verification with intelligent retries • Resolved 250\+ critical production issues while maintaining zero data inconsistency • Awarded 4 consecutive excellence awards for performance and process optimization Previously worked as an SDE Intern at Salesken\.ai, improving backend performance by 30%\+ and migrating Elasticsearch to PostgreSQL with 40% query improvement

## Location

Bengaluru

## AI stack

antigravity

claude code

cursor

gemini

github copilot

ChatGPT

## Work experience

Software Engineer at Keyvitse Technologies, Jul 2026 \- Present · 2 mos, Gurugram, Haryana, India

SDE at Techcanopy Software Labs, Oct 2023 \- Jul 2026 · 2 yrs 10 mos, Bengaluru, Karnataka, India, Leading full stack development for FINZY, an NBFC\-fintech platform architecting loan origination workflows, portfolio management systems, and lender investment APIs\. Key Contribution: \- Built end\-to\-end lender and IFA onboarding APIs supporting 1M\+ request per day and 10000\+ monthly onboardings with multi\-role mapping capabilities \- Developed complete loan lifecycle APIs \(CKYC, video KYC, Account Aggregator, CIBIL, eSign, eNACH\) reducing manual KYC by 50% \- Architected investment and portfolio management systems with daily batch processes for ledger calculations, interest computation, and cashflow distribution \- Engineered complex cashflow distribution algorithms allocating EMI, prepayments, and settlements across lenders proportionally with zero data inconsistency \- Created reusable RegTech library \(Java 17 \+ Spring Boot 3\) for identity and financial validations integrating multiple vendors \(Karza, Digitap, Digio, Paynimo\) with intelligent retry mechanisms \- Integrated backend APIs with Angular frontend and coordinated vendor integrations, driving investment inflows to crores \- Resolved 100\+ critical production issues while owning deployment, monitoring, and feature delivery in high\-availability production environments

SDE Intern at Salesken, Mar 2023 \- Jul 2023 · 5 mos, Bengaluru, Karnataka, India, Contributed to backend development for Salesken\.ai, a Conversational AI platform for sales intelligence and coaching\. Key Contribution: \- Developed backend APIs using Java, Spring Boot, and Servlets to support core platform functionality \- Optimized SQL queries for PostgreSQL database, improving data retrieval and management efficiency \- Led migration from Elasticsearch to PostgreSQL, resulting in 40% improvement in query performance \- Independently integrated Zoho Billing system, streamlining financial operations and billing workflows \- Debugged production code to identify and resolve performance bottlenecks, ensuring system reliability

Java Full Stack Developer \(Trainee\) at Masai, Feb 2022 \- Jan 2023 · 11 mo, Bengaluru, Completed an intensive Full Stack Web Development program at Masai School, focused on building real\-world applications using Java and modern web technologies\. • Built multiple full stack applications using Java, Spring Boot, and Angular • Developed RESTful APIs and implemented backend business logic • Worked on database design and integration using SQL • Strengthened problem\-solving and coding skills through hands\-on projects • Collaborated in team\-based projects following Agile methodologies

## Education

Bachelor of Technology \- BTech, Electronics and communication, Gurukula Kangri Vishwavidyalaya

[View the original profile](https://tal.club/meet/raushan-kumar-10)

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