Shanmuganathan B profile photo 1 on Tal

Shanmuganathan B

Senior Software Engineer I at Caratlane | Past - Bijak | Python Developer, Full Stack Javascript Developer

Pudukkottai

5+ years of work experience

CaratLane - A TATA Product
Apr 20251 yr 5 mosPresent

Chennai

Led a 6–8 month enterprise-wide ERP migration, integrating internal microservices with Oracle ERP, ensuring seamless financial and operational alignment with zero business disruption. Designed and owned integration architecture, data transformation layers, and service contracts between distributed systems and ERP. Took architectural ownership of backend services handling the highest transaction volumes in the organization, ensuring scalability, reliability, and fault tolerance. Mentored junior engineers and contributed to system design reviews, production debugging, and performance optimization initiatives.
CaratLane - A TATA Product
Mar 20232 yrs 2 mosApr 2025

Chennai

Architected and launched a centralized document generation platform, reducing PDF latency from ~3 seconds to ~500ms (6x improvement) and significantly improving order-processing throughput. Implemented centralized authentication (SSO) using Keycloak, eliminating duplicated auth logic and securing internal applications. Built and shipped a 0→1 Treasure Chest POS registration solution, increasing customer enrollments by 35% (Hackathon – 3rd Place).
Bijak
Jan 20221 yr 3 mosMar 2023

India

- Implemented account statement feature which includes multiple services utilisation to get data and process it into a pdf. - Built the dependency system for E-Collect feature by Yes Bank. - Improved efficiency of payments APIs. - Built the entire backend system for a read-heavy mobile application.
Bijak
Jun 20217 mosDec 2021

Gurugram, Haryana, India

- Majorly worked on web dashboard for internal operations team. - Added new features like vendor management, role management, documents upload and preview functionalities.
Applied Syntax
Apr 20213 mosJun 2021

- Worked on UI using Html, Css, Bootstrap and JavaScript to build the websites.
Sharpener
Dec 20207 mosJun 2021

Learning Full Stack development, Data structures and Algorithms
3Dselfiy | 3D Printing India | Miniature models
Nov 20206 mosApr 2021

Chennai, Tamil Nadu, India

I worked closely with business people and founder to understand their marketing interests and developed website for the company.

Shanmuganathan’s AI Stack

antigravity
antigravity
codex
codex
claudecode
claudecode

Education

Bachelor of Science - BSc, Mathematics

Sri Krishna Adithya College of Arts and Science , Coimbatore

20173 yrs2020

HSC

SFS Matriculation Higher Secondary School

20152 yrs2017

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Headline

Senior Software Engineer I at Caratlane | Past - Bijak | Python Developer, Full Stack Javascript Developer

About

I am a fullstack web developer based in India. I have always enjoyed creating new things, and it was this that motivated me to learn more tech. When I got into the field, I realized that building websites is what I would like to do. My passion for building apps and designing websites became my main inspiration to start building them myself.

Location

Pudukkottai

AI stack

antigravity

codex

claudecode

Work experience

Senior Software Engineer - I at CaratLane - A TATA Product, Apr 2025 - Present · 1 yr 5 mos, Chennai, Led a 6–8 month enterprise-wide ERP migration, integrating internal microservices with Oracle ERP, ensuring seamless financial and operational alignment with zero business disruption. Designed and owned integration architecture, data transformation layers, and service contracts between distributed systems and ERP. Took architectural ownership of backend services handling the highest transaction volumes in the organization, ensuring scalability, reliability, and fault tolerance. Mentored junior engineers and contributed to system design reviews, production debugging, and performance optimization initiatives.

Software Engineer II at CaratLane - A TATA Product, Mar 2023 - Apr 2025 · 2 yrs 2 mos, Chennai, Architected and launched a centralized document generation platform, reducing PDF latency from ~3 seconds to ~500ms (6x improvement) and significantly improving order-processing throughput. Implemented centralized authentication (SSO) using Keycloak, eliminating duplicated auth logic and securing internal applications. Built and shipped a 0→1 Treasure Chest POS registration solution, increasing customer enrollments by 35% (Hackathon – 3rd Place).

Software Engineer at Bijak, Jan 2022 - Mar 2023 · 1 yr 3 mos, India, - Implemented account statement feature which includes multiple services utilisation to get data and process it into a pdf. - Built the dependency system for E-Collect feature by Yes Bank. - Improved efficiency of payments APIs. - Built the entire backend system for a read-heavy mobile application.

Software Engineer Trainee at Bijak, Jun 2021 - Dec 2021 · 7 mos, Gurugram, Haryana, India, - Majorly worked on web dashboard for internal operations team. - Added new features like vendor management, role management, documents upload and preview functionalities.

Software Engineer Trainee at Applied Syntax, Apr 2021 - Jun 2021 · 3 mos, - Worked on UI using Html, Css, Bootstrap and JavaScript to build the websites.

Full Stack Development (Bootcamp) at Sharpener, Dec 2020 - Jun 2021 · 7 mos, Learning Full Stack development, Data structures and Algorithms

Developer at 3Dselfiy | 3D Printing India | Miniature models, Nov 2020 - Apr 2021 · 6 mos, Chennai, Tamil Nadu, India, I worked closely with business people and founder to understand their marketing interests and developed website for the company.

Education

Bachelor of Science - BSc, Mathematics, Sri Krishna Adithya College of Arts and Science , Coimbatore

HSC, SFS Matriculation Higher Secondary School