Sagar Jain profile photo 1 on Tal

Sagar Jain

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

Bengaluru

7+ years of work experience

smallcase
May 20251 yr 4 mosPresent

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.
smallcase
Jun 20223 yrs 1 moJun 2025

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
Sezzle India
Jan 20225 mosMay 2022

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.
Freo
Jun 20201 yr 8 mosJan 2022

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.
ITC Infotech
Jul 20191 yrJun 2020

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.
StackRoute
Jul 20194 mosOct 2019

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.

Sagar’s AI Stack

claude code
claude code
claude
claude
codex
codex
cursor
cursor
gemini
gemini

Education

UPES

Bachelor's degree, Computer Programming, Specific Applications

UPES

20154 yrs2019

12th, PCM and CS

Senior Secondary School Sector - X, Bhilai

20141 yr2015

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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

Sagar Jain - Senior Software Engineer in Bengaluru | Tal