Manyam Naveen, Java Backend Developer

I build the backend systems behind payments, loan collections and AI lending apps, using Java and Spring Boot.

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Featured work

Production systems and personal projects, from fintech platforms to customer-facing products.

Live

Backend Developer / Dec 2025 – Present

Loan Collections Platform

Helps lenders follow up on overdue loans automatically, with reminders by WhatsApp, SMS, calls and post.

Cases a month
14,000+
Records per batch
1,000
Legal notices
Tracked live
  • Java 21
  • Spring Boot 3
  • PostgreSQL
  • Redis
  • Spring Scheduler
  • +3
Live

Backend Developer / Aug 2025 – Dec 2025

PhonePe Payments Bridge

Lets businesses accept PhonePe payments by QR code, link or autopay, with refunds handled automatically.

Payment success
99.9%
Refunds
Automatic
Businesses
Many
  • Java 21
  • Spring Boot 3
  • PostgreSQL
  • PhonePe APIs
  • JWT
  • +2
In development

Backend Developer / Jul 2026 – Present

Gold AI Loan Valuation

Values gold jewellery from photos using 5 AI models, so loans can be approved in minutes.

AI models
5
Gold valuation
Automatic
Fraud checks
Built in
  • Java 21
  • Spring Boot 3
  • PostgreSQL
  • AWS S3
  • JWT RBAC
  • +1
Enterprise

Java Backend Developer / Jun 2022 – Mar 2025

Lendly Loan Management

A loan app for US lenders that checks credit and identity automatically before approving a loan.

Less manual work
90%
Faster queries
40%
Bugs after release
Zero
  • Java 8
  • Spring Boot
  • Spring Data JPA
  • Oracle DB
  • SQL Server
  • +2
Bank Audit Module live project previewPersonal project

Frontend Developer / Personal project

Bank Audit Module

Bank audit screens for planning audits, reviewing branches and loan cases, and tracking findings. Designed in Google Stitch, exported to VS Code, and implemented further with Codex.

Audit planning
Designed
Branch reviews
Designed
Findings
Tracked
  • React
  • TypeScript
  • Vite
Visit live project
Naveen Manyam Store live project previewPersonal project

Full-stack Developer / Personal project

Naveen Manyam Store

A T-shirt ecommerce store built with Next.js. Personally set up Razorpay and Shiprocket accounts and API credentials, then used Codex to implement the payment and shipping integrations.

Payments
Razorpay
Shipping
Shiprocket
Storefront
Live
  • Next.js
  • Razorpay
  • Shiprocket
Visit live project

About me

I'm a Java backend developer with 3.8+ years of experience, building the systems behind payment, loan and AI products.

3.8+
Years experience
14K+
Loans handled a month
90%
Less manual work
40%
Faster queries
Open to high-impact backend roles

Backend APIs

Fast, clean APIs for apps and websites.

Online payments

PhonePe QR, links, autopay and refunds.

Automation

Scheduled jobs, file imports and reminders.

AI integration

Several AI models working as one step.

Career

Where I've worked and what I built there.

Aug 2025 – Present

FinxBridge / ArcLend

Java Backend Developer

Remote / Hybrid, India

FinxBridge: Aug 2025 – Jul 2026 · ArcLend: Aug 2026 – Present

  • 3 fintech products live today.

Collections Platform

Dec 2025 – Present

Handles about 14,000 loan cases every month

  • Built the backend end to end: the database and every API.
  • Rules engine that decides when to follow up on each overdue loan.
  • Reminders by WhatsApp, SMS and calls, plus India Post legal notices.
  • Java 21
  • Spring Boot 3
  • PostgreSQL
  • Redis
  • AWS S3
  • Swagger
  • MSG91
  • India Post

Payments Bridge

Aug 2025 – Dec 2025

Live and powering repayments in the Collections platform

  • Customers pay by PhonePe QR code, payment link or autopay.
  • Payments, refunds and expired requests are handled automatically.
  • Java 21
  • Spring Boot 3
  • PostgreSQL
  • React
  • JWT
  • PhonePe APIs

Gold AI Valuation Platform

Jul 2026 – Present

Coordinates 5 AI models in one flow

  • Runs jewellery photos through 5 AI checks, from quality to fraud.
  • Turns the results into a loan amount automatically.
  • Java 21
  • Spring Boot 3
  • PostgreSQL
  • AWS S3
  • JWT
  • Multi-tenant Architecture
Jun 2022 – Mar 2025

Virinchi Limited

Java Developer

Hyderabad, India

  • Fixed 25+ production issues with no new bugs.
  • Mentored junior developers.

Lendly Loan Management App

Jun 2022 – Mar 2025

Employee of the Month within 3 months

  • APIs for the full loan journey, from application to repayment.
  • Automated US credit bureau checks: 90% less manual work.
  • Made slow database queries over 40% faster.
  • Java 8
  • Spring Boot
  • Spring Security
  • Spring Data JPA
  • Oracle
  • SQL Server
  • Postman

Tech stack

The languages and tools I work with.

Core stack

Java 21 &
Spring Boot 3

My main tools for building fast, secure backend systems.

Spring Boot
Java 21
PostgreSQL
Redis
Docker
Apache Kafka
JWT Auth
PhonePe
MSG91
India Post

Languages & Core

  • Java 21
  • Java 8
  • SQL
  • Multithreading & Concurrency
  • Streams & Lambdas
  • OOP & SOLID Principles

Backend Frameworks

  • Spring Boot 3
  • Spring MVC
  • Spring Security (JWT, RBAC)
  • Spring Data JPA & Hibernate
  • Spring Scheduler
  • RESTful Web Services

Databases & Caching

  • PostgreSQL
  • Redis
  • Oracle DB
  • SQL Server
  • Schema & Index Optimization
  • Batch Data Ingestion

Cloud & DevOps

  • AWS S3 & EC2
  • AWS IAM, SNS, SQS
  • Docker
  • Git & GitHub
  • Maven
  • Postman & Swagger / OpenAPI

API & Integrations

  • PhonePe Payments API
  • MSG91 Omnichannel (WhatsApp/SMS)
  • India Post Legal Tracking
  • Credit Bureau APIs (Equifax/Clarity)
  • Webhook State Machines
  • SOAP & XML Services

Architecture & Design

  • Low-Level Design (LLD)
  • Design Patterns (Factory, Singleton)
  • Multi-Tenant Architecture
  • Async & Batch Processing
  • Microservices & Distributed Systems
  • Frontend Integration (React)
Highlighted: the skills I use most

Studies

B.Tech in Electrical and Electronics Engineering

Vijaya Engineering College

Sep 2017 – Sep 2020 · Khammam, India

75% Aggregated

Diploma in Electrical and Electronics Engineering

Mother Teresa Institute of Science & Technology

Oct 2014 – Apr 2017 · Sathupally, India

83% Distinction

Courses

Framework MasteryScaler

Spring Boot (Essential Skills)

Spring Boot 3, Dependency Injection, REST APIs, JPA, Actuator

Core EngineeringScaler

Master Java Concurrency & Multithreading

Thread Pools, Synchronizers, CompletableFuture, Concurrent Collections

AI & DatabasesAI for Techies

SQL Using AI

Advanced Query Optimization, Analytical Functions, Index Strategy

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Contact

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LocationPalwancha, India 507115

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