Rickainkumar Harshad Solanki
Senior Software Engineer
Bhiwandi
Summary
Dynamic Fin-Tech Software Developer with nearly four years of experience specializing in payment gateway platforms, transaction monitoring systems, and secure digital payment processing. Expertise in Java, Spring Boot, microservices, and SQL-based backend systems, with a strong focus on 3-D Secure (3DS 2.0, 2.2, and 2.3) authentication flows. Proven track record in developing PCI-DSS compliant, high-volume transaction systems for banks and payment service providers. Currently contributing to backend modernization and performance optimization at Concerto Software & Systems, leveraging Java 17 and Spring 3 to create scalable Fin-Tech architectures.
Overview
4
4
years of professional experience
Work History
Senior Software Developer
Concerto Software & Systems
05.2025 - Current
- Backend modernization from Java 8 / Spring 2.x to Java 17 / Spring 3.x
- Optimized transaction monitoring modules and SQL Server stored procedures
- Refactored legacy code for Hibernate 6 compatibility
- Implemented caching strategies for high-volume Fin-Tech APIs
- Developed secure REST APIs for dashboards and merchant systems
- Delivered high-quality code on time by effectively managing project timelines and prioritizing tasks accordingly.
- Implemented multiple solutions which helps to scale the project on larger level such as Rate Limiter (It is JAR - limiting Http request), CSRF (It is a JAR).
- Mentored junior developers, providing guidance on best practices and coding techniques for improved productivity.
Software Developer
In-Solutions Global Ltd.
01.2022 - 04.2025
- Implemented 3DS 2.0 / 2.2 / 2.3 authentication for Visa, Mastercard, Amex
- Led FIME 3DS and Visa certification activities
- Built payment gateway microservices for Card, UPI, NEFT/RTGS, Wallets, Net Banking
- Developed secure server-to-server APIs for merchants and banks
- Worked with clients including JPMorgan Chase, Kotak Mahindra Bank, and Yes Bank
- Collaborated with cross-functional teams to deliver high-quality products on tight deadlines.
Education
Bachelor of Engineering (B.E) - Computer Engineering
Shivajirao S Jondhle College of Engineering And Technology
Mumbai, Thane, Asangaon01.2020
Diploma in Computer Engineering - Computer Technology
Shivajirao S Jondhle College of Polytechnic
Mumbai, Thane, Asangaon01.2017
Higher Secondary School, HSC (XII) -
New Era Jr. College
Mumbai, Thane, Bhiwandi01.2014
Secondary School Certificate, SSC (X) -
S.S.Sangh English Medium School
Mumbai, Thane, Bhiwandi01.2012
Skills
Java, JSP & Servlets
Spring Boot, Spring MVC, Spring Data JPA
Hibernate
Microservices, REST APIs
Timeline
Senior Software Developer
Concerto Software & Systems
05.2025 - Current
Software Developer
In-Solutions Global Ltd.
01.2022 - 04.2025
Bachelor of Engineering (B.E) - Computer Engineering
Shivajirao S Jondhle College of Engineering And Technology
Diploma in Computer Engineering - Computer Technology
Shivajirao S Jondhle College of Polytechnic
Higher Secondary School, HSC (XII) -
New Era Jr. College
Secondary School Certificate, SSC (X) -
S.S.Sangh English Medium School