Rajkani Nadar

Solution-oriented Technical Lead with 7+ years of experience in fintech and banking, specializing in scalable microservices and high-volume transaction systems. Experienced in building payment gateway aggregator solutions and eMandate (UPI Autopay) systems, integrating multiple banking and third-party providers for secure and reliable transaction processing. Currently working on Supply Chain Finance (SCF) platforms, designing lending workflows, disbursement, and reconciliation systems with a focus on scalability and partner integrations.

Hands-on with automation using Spring Boot Scheduler (cron jobs) for reconciliation, retry handling, and batch processing, improving operational efficiency and reducing manual effort. Strong background in event-driven architecture using Kafka and RabbitMQ. Brings 3+ years of leadership experience managing teams of 10–12 members, driving design discussions, mentoring developers, and ensuring smooth delivery aligned with business goals.

Technical Lead at NewAge Software & Solutions (2026-06 – Present)

Domain: Logistic (Freight Forwarding). Technologies: Microservice, Java 21, Spring boot3x, REST API, Spring Security, Spring data JPA, AOP, RabbitMQ, Kafka, AWS, Docker, CICD pipeline, Redis, bitbucket, Git version control, Jira, spring schedular, virtual threading, Nginx, Apache Camel

• Defined and implemented microservices architecture, including service decomposition and communication patterns
• Architected partner integration layer enabling seamless onboarding with minimal development effort
• Designed scalable systems for logistic workflows, reconciliation, and tracking.
• Led a team of 20 engineers, driving architecture decisions and enforcing best practices
• Improved system performance, reliability, and modular scalability across financial modules

Technical Lead at Veefin Solutions Limited (2024-08 – 2026-06)

Domain: Supply Chain Finance. Technologies: Microservice, Java 21, Spring boot3x, REST API, Spring Security, Spring data JPA, AOP, RabbitMQ, Kafka, AWS, Docker, CICD pipeline, Redis, bitbucket, Git version control, Jira, spring schedular, virtual threading, Nginx

• Defined and implemented microservices architecture, including service decomposition and communication patterns
• Architected partner integration layer enabling seamless onboarding with minimal development effort
• Designed scalable systems for lending workflows including disbursement, reconciliation, and tracking
• Led a team of 10–12 engineers, driving architecture decisions and enforcing best practices
• Improved system performance, reliability, and modular scalability across financial modules
• Implemented CDC using Debezium and Kafka for real-time data streaming

Team Lead at TechStalwarts Software Development LLP (2023-07 – 2024-07)

Client: Transbnk Solutions Pvt. Ltd. | Domain: Fintech (E-Mandate Management System) Technologies: Microservice, Java 17, Spring boot3x, REST API, Spring Security, Spring data JPA, AOP, RabbitMQ, Kafka, AWS, Docker, CICD pipeline, Redis, GitLab, Git version control, Jira, spring schedular, Nginx

• Architected high-throughput eMandate system handling 1M+ transactions within 10 minutes at 99.99% uptime
• Designed scalable API gateway layer (~1000 TPS) with fault tolerance, retry, and rate limiting
• Defined event-driven processing architecture using messaging systems for reliable execution
• Integrated with NPCI (UPI Autopay) and NSDL (eSign) for mandate execution
• Built payment orchestration supporting Net Banking, Debit/Credit Cards, and eSign-based mandate flows
• Architected secure integration with Core Banking Systems (CBS) ensuring compliance with banking standards
• Led team of 7 developers, driving architecture decisions and resolving production challenges
• Strengthened system reliability, validation mechanisms, and regulatory compliance

Software Developer at Safexpay Technologies Pvt. Ltd. (2022-03 – 2023-07)

Domain: Payment Aggregator Technologies: Microservice, Java 17, Spring boot3x, REST API, Spring Security, Spring data JPA, AOP, RabbitMQ, Kafka, AWS, Docker, CICD pipeline, Redis, bitbucket, Git version control, Jira, spring schedular, Nginx

• Designed scalable payment processing services and multi-merchant systems
• Integrated multiple payment gateways and built reconciliation workflows
• Reduced manual reconciliation effort by 60% through automation
• Enhanced transaction accuracy and system reliability across banking integrations
• Strengthened audit and validation mechanisms for secure payment processing

Software Engineer at Clover Infotech (2020-06 – 2022-03)

Client: ICICI Lombard | Domain: BFSI (Insurance) Technologies: Microservice, Java 8, Spring boot, REST API, Spring Security, Spring data JPA, AOP, AWS, Redis, GitHub, Git version control, spring schedular

• Developed scalable policy and quote systems handling 50K+ daily transactions
• Designed API integrations enabling real-time data synchronization and async processing achieved using spring Schedular
• Managed production deployments ensuring stability under high load
• Integrated payment systems with policy lifecycle workflows

Engineer at Vyom Labs (2019-01 – 2020-06)

Client: HDFC LIFE, IDFC FIRST BANK | Domain: BFSI Technologies: Microservice, Java 8, Spring boot, REST API, Spring Security, Spring data JPA, AOP, AWS, Redis, GitHub, Git version control, spring schedular

• Built automated regulatory reporting systems using spring Schedular improving execution time by 45%
• Integrated banking APIs for real-time validation and reporting accuracy
• Collaborated with VAPT teams to ensure secure system design

Bachelor of Engineering (B.E.) in Electronics and Communication – Fatima Michael College of Engineering & Technology (2013 – 2017)