Joy Chatterjee profile photo 1 on Tal

Joy Chatterjee

Software Engineer II | Backend & Distributed Systems | Java Spring Boot, Ruby on Rails @ Flexcar

Bengaluru

8+ years of work experience

Flexcar India
Jul 20224 y 1 moPresent

Bengaluru

• Own the Personal Liability & Property Damage (PLPD) domain end-to-end for Flexcar — solely responsible for the design, architecture, and development of all systems handling vehicle accidents and liability claims. • Led the integration with Sedgwick, a leading third-party Claims Management Service, to automate and streamline the end-to-end accident claims lifecycle within the PLPD platform. • Designed and built a template-driven, JSON-based workflow engine powering Flexcar's vehicle pickup and drop-off checklist experience; versioned templates let ops and product teams add or update checklist questions without any code changes, significantly reducing engineering turnaround time. • As part of an org-wide shift from a microservices architecture back to a consolidated Ruby on Rails monolith, led the migration of 4 microservices into the new monolith, personally owning the migration of two business-critical services — location-service and order-service. • Architected and built the Telemetry service from scratch as a founding engineer, enabling ingestion of over 5,000 requests/second of telematics data.
CoinDCX
Feb 20211 yr 6 mosJul 2022

Bangalore Urban

• Integrated WebSocket connections with exchanges including Binance, Huobi, and HitBTC; designed core modules such as price_history and OHLC for CoinDCX's trading page. • Designed and implemented a new Email OTP authentication flow, replacing the legacy email-token system, improving both platform security and user retention. • Developed an RSA encryption/decryption framework adopted org-wide for securing sensitive user information. • Implemented the Coinfirm integration, enabling CoinDCX to achieve AML compliance.
HighRadius
Jul 20208 mosFeb 2021

Hyderabad

• Enhanced document processing by adding support for Cyrillic fonts in HTML attachments, increasing capture rates by approximately 4%. • Led proof-of-concept projects including parsing of .xlsb files and handling European amount formats.
HighRadius
May 20191 yr 3 mosJul 2020

Hyderabad, Telangana, India

• Designed and implemented a new remittance extraction processor, improving payment remittance linking rates by 6.8% in v1 and a further 2.3% in v2.
HighRadius
Jul 201810 mosApr 2019

Hyderabad

• Worked on the backend design and implementation of multiple internal screens for the CAA product. • Worked on the Keyword Driven Framework (KDF) and wrote automated test scripts using Selenium, Java, and TestNG to strengthen the Automation Testing and Regression suite of CAA.
GitHub
@joych97
LeetCode
@joy97

Joy’s AI Stack

claude
claude
cursor
cursor
langgraph
langgraph
langsmith
langsmith
lovable
lovable
Wispr Flow
Wispr Flow

Education

KIIT - Kalinga Institute of Industrial Technology

Bachelor of Technology, Computer Science

KIIT - Kalinga Institute of Industrial Technology

20154 yrs2019

CLASS 12, Science and Mathematics

Aditya Birla Public School, Renusagar (U.P.)

20141 yr2015

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Headline

Software Engineer II | Backend & Distributed Systems | Java Spring Boot, Ruby on Rails @ Flexcar

About

Software Engineer with 7+ years of experience building scalable backend systems and distributed architectures using Ruby on Rails and Java Spring Boot. Currently @ Flexcar I own end-to-end design and delivery for critical business domains — from third-party claims integrations to internal workflow platforms — with a track record of: • Leading migrations of business-critical services • Building products from zero • Improving system performance at scale Core strengths: • Microservices & distributed systems, system design • Change Data Capture (CDC), performance profiling • Infrastructure: Docker, Kubernetes, PostgreSQL, Redis, AWS

Location

Bengaluru

AI stack

claude

cursor

langgraph

langsmith

lovable

Wispr Flow

Work experience

Senior Software Engineer at Flexcar India, Jul 2022 - Present · 4 y 1 mo, Bengaluru, • Own the Personal Liability & Property Damage (PLPD) domain end-to-end for Flexcar — solely responsible for the design, architecture, and development of all systems handling vehicle accidents and liability claims. • Led the integration with Sedgwick, a leading third-party Claims Management Service, to automate and streamline the end-to-end accident claims lifecycle within the PLPD platform. • Designed and built a template-driven, JSON-based workflow engine powering Flexcar's vehicle pickup and drop-off checklist experience; versioned templates let ops and product teams add or update checklist questions without any code changes, significantly reducing engineering turnaround time. • As part of an org-wide shift from a microservices architecture back to a consolidated Ruby on Rails monolith, led the migration of 4 microservices into the new monolith, personally owning the migration of two business-critical services — location-service and order-service. • Architected and built the Telemetry service from scratch as a founding engineer, enabling ingestion of over 5,000 requests/second of telematics data.

Software Engineer I at CoinDCX, Feb 2021 - Jul 2022 · 1 yr 6 mos, Bangalore Urban, • Integrated WebSocket connections with exchanges including Binance, Huobi, and HitBTC; designed core modules such as price_history and OHLC for CoinDCX's trading page. • Designed and implemented a new Email OTP authentication flow, replacing the legacy email-token system, improving both platform security and user retention. • Developed an RSA encryption/decryption framework adopted org-wide for securing sensitive user information. • Implemented the Coinfirm integration, enabling CoinDCX to achieve AML compliance.

Associate Software Engineer II at HighRadius, Jul 2020 - Feb 2021 · 8 mos, Hyderabad, • Enhanced document processing by adding support for Cyrillic fonts in HTML attachments, increasing capture rates by approximately 4%. • Led proof-of-concept projects including parsing of .xlsb files and handling European amount formats.

Associate Software Engineer I at HighRadius, May 2019 - Jul 2020 · 1 yr 3 mos, Hyderabad, Telangana, India, • Designed and implemented a new remittance extraction processor, improving payment remittance linking rates by 6.8% in v1 and a further 2.3% in v2.

Software Development Intern at HighRadius, Jul 2018 - Apr 2019 · 10 mos, Hyderabad, • Worked on the backend design and implementation of multiple internal screens for the CAA product. • Worked on the Keyword Driven Framework (KDF) and wrote automated test scripts using Selenium, Java, and TestNG to strengthen the Automation Testing and Regression suite of CAA.

Education

Bachelor of Technology, Computer Science, KIIT - Kalinga Institute of Industrial Technology

CLASS 12, Science and Mathematics, Aditya Birla Public School, Renusagar (U.P.)

Public links

github: https://github.com/joych97

leetcode: https://leetcode.com/joy97