---
title: "Sagar Jain - Senior Software Engineer in Bengaluru | Tal"
description: "Meet Sagar Jain, Senior Backend Engineer | Node.js · Microservices · RESTful APIs · MongoDB · Event Driven| based in Bengaluru. AI stack includes claude code, claude, and codex."
image: "https://tal.club/meet/sagar-jain-2/share-image"
---

# Sagar Jain on Tal

## Headline

Senior Backend Engineer \| Node\.js · Microservices · RESTful APIs · MongoDB · Event Driven\|

## About

Senior Backend Engineer \| 6\+ Years \| Fintech & Investments \| Node\.js · Java · Microservices I build scalable backend systems that power financial products used by millions of users across India and Southeast Asia\. Over the past 6\+ years, I've worked across fintech startups and product companies — owning critical services end\-to\-end, from subscription lifecycle systems at smallcase \(India's leading investment platform, 5M\+ users\) to repayment infrastructure at Freo \(MoneyTap\) for the Vietnam lending market\. What I focus on: → Designing and scaling microservices and RESTful APIs → Owning services end\-to\-end — architecture, reliability, and delivery → Event\-driven systems, domain\-driven design, and clean service boundaries → Working cross\-functionally with product, mobile, and data teams Tech I work with regularly: Node\.js, Java, Spring Boot, TypeScript, PostgreSQL, Docker, CI/CD Creator of the DriftScope extension: https://open\-vsx\.org/extension/blueczar/driftscope/changes

## Location

Bengaluru

## AI stack

claude code

claude

codex

cursor

gemini

## Work experience

Senior Software Engineer at smallcase, May 2025 \- Present · 1 yr 4 mos, Bengaluru, Karnataka, India, Working with publisher team: \- handling subscription flows \- smallcase life cycle in the ecosystem\. \- handle files service to power all files generation for the org \- worked in the deposit service to powser FD use case in the workflow\.

SDE 2 at smallcase, Jun 2022 \- Jun 2025 · 3 yrs 1 mo, Bengaluru, Karnataka, India, Working in the Publisher Team \- Responsible for handling the subscription flows for the smallcase user flow\. \- Managing the smallcase wrt from the manager standpoint

Software Developer at Sezzle India, Jan 2022 \- May 2022 · 5 mos, Bengaluru, Karnataka, India, \- Developed notifications v2 micro services from scratch\. \- Service responsible for handling all kind of notifications/communication wrt to customers or merchants flow through different other services time to time\. \- utilised tech stack like go lang, MySQL , Dynamo DB for the development\.

Software Engineer at Freo, Jun 2020 \- Jan 2022 · 1 yr 8 mos, Bangalore Urban, Karnataka, India, \- Working in Freo \(MoneyTap\) product for Vietnam region\. Consulted regularly with internal customers on application development project status, new project proposals, and software\-related technical issues\. \- Owned repayment service and handled all the architecture wrt to it\. \- Collaborated with Freo \(MoneyTap\) business unit team members to design a new applications system to enhance client requirements for mobile computing capabilities\. \- Developed the framework for the optimized customer journey to the operational team support\.

Java Full stack developer \(Associate IT Consultant\) at ITC Infotech, Jul 2019 \- Jun 2020 · 1 yr, Bangalore, Worked in project CCM \(Customer Communication Management\) for Santander UK\. \- Part of the migration squad as a full time Java/Spring\-boot Full Stack Developer\. \- Solely Responsible for migrating the legacy system into new microservices architecture\. \- Performed the batch operation on converting mainframe data to JSON scheme for big data analytics\.

Immersive Trainee at StackRoute, Jul 2019 \- Oct 2019 · 4 mos, Bangalore, Done 3\+ months of training in stack spring/angular/java full stack development training\. At the end of 2 month successfully developed the product named as "kurator" with 9 members of team in agile methodology within 7 weeks/sprint\. Also leaned CI/CD architecture and developing microservices architectural with design pattern skills\. kurator is an smart intent based search engine platform which delivers on the basis of user's intent\.

## Education

Bachelor's degree, Computer Programming, Specific Applications, UPES

12th, PCM and CS, Senior Secondary School Sector \- X, Bhilai

[View the original profile](https://tal.club/meet/sagar-jain-2)

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