Rajeev Kumar

• Built and evolved scalable Java Spring Boot microservices for an enterprise‑grade customer service platform, enabling customer onboarding, payment integration, profile management, compliance, and real‑time customer lookup.
• Owned end‑to‑end backend features, from API design and implementation to production rollout and post‑release support, following product engineering best practices.
• Designed and maintained clean, versioned RESTful APIs with a strong focus on backward compatibility, performance, and consumer experience.
• Integrated microservices with Apollo for payment processing, RTRA for real time risk assessment, central customer data platform (UCD) to support KYC verification, customer profile lifecycle management, and document storage, ensuring data consistency and regulatory compliance.
• Built robust integrations with legacy R3 systems, abstracting complexity behind service layers to enable gradual modernization and minimal business disruption.
• Implemented business‑critical workflows including: Customer onboarding and identity verification
  Payment integration and processing (Bank, Card, Wallet, GooglePay, Applepay, QR, PayMaya, multiple offline funds In)
  Compliance validation and customer eligibility checks
  Loyalty and customer engagement use cases
• Developed asynchronous and batch processing pipelines to support eventual consistency, data synchronization, and fault‑tolerant operations across distributed systems.
• Applied strong engineering fundamentals such as: Defensive input validation
  Centralized logging and structured error handling
  Meaningful exception design
  Observability using Actuator and metrics
  
• Worked closely with Product Managers, QA, and Architects to translate business requirements into simple, scalable technical solutions.
• Actively participated in production deployments, on‑call support, defect triage, and performance tuning, ensuring high system reliability and availability.
• Led and managed a team of 5 engineers for over 1 year, driving sprint execution, code quality, technical discussions, and delivery ownership.
• Mentored and onboarded junior developers, establishing coding standards, improving design thinking, and raising the overall engineering bar of the team.

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Project: Vendor Performance Analytics Platform (Cisco CPS)

• Contributed to Cisco’s CPS Digital Transformation initiative by developing a centralized Vendor Performance Analytics platform, replacing manual Excel-based reporting workflows.
• Designed and implemented a web-based digital platform enabling seamless collaboration between Cisco managers and external vendors, aligned with Cisco’s digital-first operating model.
• Built a single source of truth by integrating real-time financial and operational data from multiple Cisco systems into a unified analytics platform.
• Enabled data-driven decision making by delivering advanced analytics and performance insights for CPS Vendor Performance Operations.
• Automated Quarterly Business Reports (QBRs) and key operational reports, significantly improving report accuracy, consistency, and delivery timelines.
• Reduced manual effort and operational overhead by implementing system-generated reports, giving back substantial manual hours to business teams.
• Partnered closely with Business Analysts and CPS stakeholders to understand business requirements and translate them into scalable technical solutions.
• Developed optimized and maintainable web application code, adhering to Cisco’s quality, performance, and security expectations.
• Authored detailed unit and functional test cases to ensure reliability and robustness of the application.
• Collaborated with QA teams to support test execution, troubleshoot defects, and ensure high-quality, production-ready releases.
• Improved overall operational efficiency by enabling real-time visibility into vendor performance metrics across financial and operational dimensions.
• Supported Cisco’s objective of process automation and operational excellence by delivering a reliable, analytics-driven digital platform.