Manish Kumar

About Manish Kumar

Senior Backend Engineer with 13+ years of experience designing distributed systems, data-intensive platforms, and high-performance backend applications across supply chain and healthcare domains. Specialized in offline-first architectures, database internals, and multi-tenant system design, with expertise in Java, Oracle, Kafka/RabbitMQ, and microservices. Proven track record of end-to-end system ownership, solving complex data consistency challenges, and leading engineering efforts across teams. Languages: Java, SQL, PL/SQL,JS Distributed Systems: Event-driven architecture, RabbitMQ, Kafka Databases: Oracle (Performance tuning, Execution plans), NoSQL System Design: Multi-tenant systems, offline sync, data pipelines Cloud & DevOps: Docker, Kubernetes, Jenkins, OCI Concepts: Concurrency, Data Structures, Algorithms, Microservices

Experience

1. Senior Member of Technical Staff

   Salesforce

   Apr 2022 — Present · Hyderabad, IN

   Architected offline-first mobile data synchronization system from scratch within a multi-tenant platform, enabling reliable data access in low-bandwidth environmentsDesigned event-driven sync model (triggered on connectivity) ensuring efficient and resilient data transferBuilt conflict resolution system (timestamp-based) to maintain data consistency across distributed clientsReduced sync failure rate by ~10% by resolving row-level lock contention issues and improving retry mechanismsDesigned system to handle partial sync, duplicate data handling, and failure recovery, ensuring high data integrityOwned key architecture decisions including data model design, sObject sync strategy, and messaging system (RabbitMQ)Evaluated trade-offs between consistency vs availability and latency vs correctness, prioritizing correctness for critical workflowsLeadership & ImpactLed end-to-end development of Advanced Therapy Management and Clinical Trial platformsMentored and conducted design reviews for 20+ engineers, driving engineering quality and system design improvementsCollaborated across multiple teams in a service-dependent architecture, influencing system integration and design decisions

Education

• BIT Sindri

  Bachelor of Technology - BTech

Skills

• Unix
• Oracle Applications
• Oracle E-Business Suite
• Oracle Reports
• Microsoft Office
• Enterprise Resource Planning (Erp)
• Data Analytics
• Java
• Data Analysis
• Sql
• Oracle Apps Technical
• Oracle
• Requirements Analysis
• Oaf
• Pl/Sql
• Reports
• Supply Chain Management
• Software Development Life Cycle (Sdlc)
• Java Script
• Oa Framework