Sandeep Bablade

Java Developer with 6.9 years of experience delivering enterprise applications and API integrations for core banking and payments platforms (Mambu, Oracle FLEXCUBE) in regulated, high-volume environments. Skilled in Java, Spring Boot, microservices, REST and webhook integrations, event-driven design (Kafka), and SQL/NoSQL data modeling (MySQL, Oracle, Snowflake). Experienced in delivering features end to end across design, build, integration and deployment, diagnosing production issues to root cause, and Git/Jenkins-based CI/CD.

Leverage AI tools (GitHub Copilot, ChatGPT, Claude) to streamline development, speed up code reviews and debugging, and support well-informed technical decisions.

Senior Software Solutions Engineer - Western Union - Pune, India

(2024-04)

• Built Spring Boot microservices integrating Mambu core banking modules (Deposits, Payments, GL/Accounting, Client Management, MPO) for European digital banking clients.
• Implemented SEPA-compliant payment and onboarding workflows with IBAN validation.
• Automated GL reconciliation and multi-currency deposit processing to meet EU regulatory standards.
• Integrated Mambu with partner systems (Marqeta for card issuing/processing, Blaze for lending) via REST APIs and webhooks, and migrated legacy core banking infrastructure while preserving data integrity and compliance.
• Designed composable, event-driven microservices for mobile banking and payment orchestration, reducing infrastructure costs and accelerating feature delivery.
• Migrated legacy on-premises databases to AWS to improve data accessibility and system uptime.

Staff Consultant - Oracle Financial Services Software Ltd. (OFSS) - Pune, India

(2022-03 - 2024-04)

• Customized Oracle FLEXCUBE OLTP and Maintenance modules for CASA and Loan Accounts at Canara Bank using Java, JavaScript, XML and Oracle DB.
• Developed OLTP and Maintenance screens in Java and OJET; wrote PL/SQL for database maintenance.
• Configured core banking workflows (account maintenance, transactions, loan servicing) to business and regulatory requirements.
• Supported integration with Oracle Banking Digital Experience (OBDX) for online and mobile channels.
• Debugged and resolved performance bottlenecks; refactored existing code using established design patterns for maintainability and scalability.

Software Engineer - Larsen & Toubro Infotech Ltd.

(2020-09 - 2022-01)

• Migrated a US-based insurance application (Mercer) to Spring Boot, designing Controller, Service and DAO layers.
• Built server-side services and business logic (AutoChoiceServices) and auto-generated client code from api.yml specifications.
• Replaced legacy EJB code with Spring-managed objects; wrote Hibernate mappings and maintained the database layer.
• Configured GitLab CI/CD pipelines to automate deployments; orchestrated containerized services on Kubernetes for high availability.
• Migrated legacy data structures to a NoSQL environment to improve query performance on large datasets.
• Applied OOP design principles to refactor core modules and diagnosed critical performance bottlenecks.

Software Engineer - Evolveware IT Pvt. Ltd.

(2019-11 - 2020-08)

• Developed features for Pacific Medical, a US-based hospital operations platform, using Spring Boot with Controller, Service, DAO classes and Hibernate mappings.
• Built patient lifecycle functionality (billing, insurance processing, invoice generation) and an inventory module tracking sales, deliveries and purchase orders.
• Set up monitoring and logging to track application health and identify production errors; worked with Architects and cross-functional teams in a Scrum framework.

B.E. - Information Technology - First Class | Lonavala - Sinhgad Institute of Engineering, University of Pune (2012-01 - 2015-01)

Diploma - First Class - Solapur - Brahmdevdada Mane Polytechnic (2009-06 - 2012-06)