About Dipen
Java Backend Architect | Microservices | Banking & Workflow Automation (Camunda, AWS)
I help fintech, banking, and telecom companies design and build scalable, secure, and high-performance backend systems using modern Java technologies.
With 17+ years of experience, I specialize in transforming complex business requirements into robust microservices architectures that are production-ready, cloud-native, and built for scale.
English
Native or bilingual
Remote only
Primarily works remotely
Experience
- Letshego UgandaSr. Java Tech LeadBANKING AND INSURANCEJune 2019 - May 2026 (6 years and 11 months)Kampala, UgandaLetshego Holdings Limited is a Botswana-based financialservices institution. The group had a market capitalization inexcess of US$980 million.As part of this project, we did following:- Reverse engineer existing monolithic java based web application and did tech stack modernization including micro services architecture- Moved inhouse deployment to AWS cloud infrastructure- Introduction of server less architecture for all notifications, background jobs- Implementing new services like Instant Loans, Housing Loans, Payroll Loans and corresponding recovery processes- Integration with various vendors like Airtel, Bionic, Buste for credit scoring and risk assessmentsTech stack is as follow:Java, Spring Boot, Spring Data, Microservices, Amazon CloudServices, Google Pay, Tomcat, PostgreSQL, Kubernetes,Kafka, GraphQL and ReactJS.
- British TellecomSr. Java BE DeveloperTELECOMMUNICATIONSMarch 2017 - September 2019 (2 years and 6 months)London, United KingdomRecently BT started new business line for their end consumers calledMobile content. It basically involves selling/marketing mobile contentslike Ring Tones, Games, Applications and few more types of contents.As part of this project, we mainly dealt with setup of mobile contentwith BT partners, managing settlements with BT partners, managingbilling to end consumers and ensuring the margin/revenue sharebetween BT and their partners.Tech stack is as follow:Java, Spring Boot, Spring Data, Microservices, Amazon CloudServices, Tomcat, PostgreSQL and Kubernetes.
- Telstra TelecommunicationsSr. Java BE DeveloperDIGITAL AND ITJuly 2015 - December 2017 (2 years and 5 months)Melbourne, AustraliaTelstra is one of the largest telecom service providers in Australia.They are into business of Enterprise Telecom Services, RetailTelecom Services and Government Authority Telecom Services.This project mainly deals with Telstra’s Invoice Quality Assurance. Itspecifically takes care of Enterprise Customer segments. It involvesfollowing processes:- Customer Billing Configuration- Customer Bill Processing- Customer Invoice Assurance- Customer Credit/Debit Adjustments etc.Tech stack is as follow:HTML 5, Bootstrap, Spring Boot, Hibernate, AWS Cloud, RESTServices, Tomcat and MySQLAs part of this project, we did following:• Designing overall solution• Integration with other Telecom Systems to get row information• Setting up customer contracts and reconciliation rules• Preparing various environments including development environment, SIT and production• Fine tuning performance issues• Data Migration• Configuration management• Client interaction
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Education
- M.C.A.GLS Institute of Information and Technology (Gujarat University)2006M.C.A.
- B.C.A.R.V. Godhaniya Institute of Technology (Saurashtra University)2003B.C.A.
Certifications
- AWS certified Application DeveloperAWS2022
- Oracle certified Java DeveloperOracle2019