I will troubleshoot and fix frontend and backend integration errors

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Afsar Abbas

About this gig

STOP BUGGING. START SCALING. Is a critical bug blocking your release? Are integration issues slowing down your team? As a Senior Full Stack Developer, I provide rapid, expert support for your entire tech stack: Angular, React, Java, Spring Boot, and Database systems.

My Expert Support Services:

  • Critical Bug Fixing: Rapid diagnosis and resolution of complex, production-blocking errors across both frontend and backend.
  • API Integration & Connectivity: Troubleshooting communication errors, data mapping issues, and authentication failures between the UI ($\text{React} / \text{Angular}$) and the $\text{Spring Boot}$ API.
  • Performance Bottleneck Resolution: Identifying and resolving slow API endpoints, database query issues, and frontend rendering lags.
  • Configuration & Setup: Expert assistance with Spring Security, database connection pools, dependency management ($\text{Maven} / \text{Gradle}$), and environment setup.

Why Choose Me?

I bring senior-level architectural insight, not just fixes. You receive clean, fully tested solutions delivered via pull requests, ensuring long-term code health and stability.

Don't waste timeget fast, guaranteed solutions from a Senior Developer. Contact me

Get to know Afsar Abbas

Afsar Abbas

Senior Software Engineer

  • FromIndia
  • Member sinceFeb 2022
  • Languages

    English, Hindi, Gujarati
Seasoned Senior Software Engineer with 9 years of experience in building robust, scalable, and high-performance enterprise applications. Proficient in Java/J2EE, Spring Boot, Microservices, REST/SOAP services, and front-end technologies like Angular, React.js, JavaScript, Bootstrap, and CSS. Strong expertise in PL/SQL development, including optimized functions, procedures, and triggers, with hands-on experience in Oracle, PostgreSQL, DB2, and MySQL. Well-versed in unit testing and automation using JUnit, Mockito, and Selenium to ensure reliable reliable releases.

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