---
title: "Mahesh S - Graduate Engineer Trainee in Chennai | Tal"
description: "Meet Mahesh S, GET @ HCLTech | Backend-Focused Full Stack (MERN) | Building Scalable APIs & Real-Time Systems | Node.js, MongoDB, DB2 | Production-Grade Problem Solver based in Chennai."
image: "https://tal.club/meet/mahesh-4/share-image"
---

# Mahesh S on Tal

## Headline

GET @ HCLTech \| Backend\-Focused Full Stack \(MERN\) \| Building Scalable APIs & Real\-Time Systems \| Node\.js, MongoDB, DB2 \| Production\-Grade Problem Solver

## About

I specialize in fixing what breaks in production and building systems that don’t\. Software Engineer with experience in enterprise production systems and backend development\. At HCLTech, I handle critical system operations, resolving failures end\-to\-end, automating workflows \(JCL, Control\-M\), and managing large\-scale data in DB2 & IMS — ensuring zero downtime in high\-stakes environments\. Previously at ADP, I supported global payroll systems, resolving calculation issues, performing deep SQL investigations, and ensuring accurate, disruption\-free processing across regions\. Strengths: Backend development, system reliability, problem\-solving, scalable design

## Location

Chennai

## Work experience

Graduate Engineer Trainee at HCLTech, Aug 2025 \- Present · 11 mos, Chennai, Resolved critical production failures end\-to\-end \(log analysis → root cause → fix\), reducing downtime and ensuring uninterrupted delivery\. Automated batch workflows using JCL & Control\-M, improving system reliability and execution consistency\. Managed large\-scale data operations in DB2 & IMS \(millions of records\) with zero data integrity issues\. Collaborated across dev, QA, and infra teams to provision environments faster and meet delivery timelines\.

Software Engineer at ADP India, Jan 2025 \- Jun 2025 · 6 mos, Chennai, Diagnosed and fixed payroll calculation issues by analyzing application logic and SQL data flows\. Performed deep SQL investigations to identify and resolve data inconsistencies across modules\. Contributed to production stability by supporting live payroll systems with zero disruption\. Documented recurring issues to reduce resolution time and improve team efficiency\.

## Education

Bachelor of Engineering \- BE, Computer Science and Engineering, Saveetha Engineering College

[View the original profile](https://tal.club/meet/mahesh-4)

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "Person",
      "@id": "https://tal.club/meet/mahesh-4#person",
      "name": "Mahesh S",
      "url": "https://tal.club/meet/mahesh-4",
      "image": "https://tal.club/meet/mahesh-4/profile-photo.jpg",
      "description": "Meet Mahesh S, GET @ HCLTech | Backend-Focused Full Stack (MERN) | Building Scalable APIs & Real-Time Systems | Node.js, MongoDB, DB2 | Production-Grade Problem Solver based in Chennai.",
      "jobTitle": "Graduate Engineer Trainee",
      "worksFor": {
        "@type": "Organization",
        "name": "HCLTech"
      },
      "hasOccupation": {
        "@type": "Occupation",
        "name": "Graduate Engineer Trainee"
      },
      "homeLocation": {
        "@type": "Place",
        "name": "Chennai"
      },
      "alumniOf": [
        {
          "@type": "EducationalOrganization",
          "name": "Saveetha Engineering College"
        }
      ],
      "mainEntityOfPage": {
        "@id": "https://tal.club/meet/mahesh-4#webpage"
      }
    },
    {
      "@type": "ProfilePage",
      "@id": "https://tal.club/meet/mahesh-4#webpage",
      "url": "https://tal.club/meet/mahesh-4",
      "name": "Mahesh S on Tal",
      "description": "Meet Mahesh S, GET @ HCLTech | Backend-Focused Full Stack (MERN) | Building Scalable APIs & Real-Time Systems | Node.js, MongoDB, DB2 | Production-Grade Problem Solver based in Chennai.",
      "dateModified": "2026-07-18T10:17:46.579Z",
      "isPartOf": {
        "@id": "https://tal.club/#website"
      },
      "mainEntity": {
        "@id": "https://tal.club/meet/mahesh-4#person"
      },
      "primaryImageOfPage": {
        "@type": "ImageObject",
        "url": "https://tal.club/meet/mahesh-4/profile-photo.jpg",
        "contentUrl": "https://tal.club/meet/mahesh-4/profile-photo.jpg",
        "caption": "Mahesh S profile photo on Tal"
      },
      "inLanguage": "en-IN"
    }
  ]
}
```