Summary
Overview
Work History
Education
Skills
Certification
Accomplishments
Languages
Timeline
SeniorSoftwareEngineer

Sandip Mandal

Bengaluru

Summary

Senior Software Engineer with 11+ years of experience designing, building, and scaling distributed backend systems in high-demand industries including retail and telecom. Proven expertise in Java, Spring Boot, Microservices, and cloud-native architecture with deep focus on performance, reliability, and maintainability. Led cross-functional engineering teams to deliver resilient platforms with zero-downtime deployments and low-latency APIs. Recognized for strong stakeholder collaboration, technical ownership, and mentoring. Designed asynchronous and scalable systems, integrated search frameworks like Elastic Search, and worked across complex ecosystems with tools like Kafka, Redis, Cassandra, and Azure Cloud. Passionate about building systems that drive measurable business outcomes and delight users through performance and scalability.

Overview

11
11
years of professional experience
1
1
Certification

Work History

Senior Software Engineer

Walmart
03.2019 - Current
  • Spearheaded backend development for GSCOPE, a platform critical to Walmart's operations, achieving 99.99% uptime and enabling scalable API integrations reducing request latency by 30% and improving data processing capacity by 50%.
  • Integrated Elastic Search for advanced pagination and search, improving response time by 35% and enhancing search accuracy.
  • Led successful integration of GSCOPE with Falcon and CORE ID SSO systems to streamline identity management, increasing secure login coverage to 100% of users with no reported access issues.
  • Led the implementation of an asynchronous file download framework handling large datasets with near real-time processing, decreasing load on server by 40%.
  • Collaborated with 5+ cross-functional teams (OMS, FMS, OS, DCC, MCSE) and delivered Zero bug production rollouts across 12+ major releases.
  • Developed a Bulk Upload Framework and contributed to 911 Mobile App backend, improving internal operations efficiency.
  • Mentored junior engineers and contributed to high code quality, improving code quality as measured by a 30% drop in post-deployment bugs.
  • Delivered enhancements to the Seller and Supplier Portal dashboards, enabling improved visibility into orders and returns.
  • Working with stakeholders, business, product, which includes an entire cycle from planning to delivery execution and post-production support.

Software Engineer

Amdocs
04.2016 - 03.2019
  • Engineered enhancements for Amdocs Telecom Order Management System (OMS), customizing features per client specifications across multiple deployments.
  • Owned the full lifecycle of new feature development like requirement analysis, design, coding, unit testing, and production rollout.
  • Delivered POCs for complex modules involving multi-step workflows and data integrity, contributing to long-term solution scalability.
  • Collaborated with QA for SIT and UAT phases, improving test coverage to 90%+ and driving faster defect resolution.
  • Contributed to performance tuning of OMS components, improving API throughput by 25% and reducing error rates.

Application Developer

IBM
03.2014 - 04.2016
  • Designed and implemented backend solutions for IBM's SOX compliance platform, enhancing audit automation and data traceability.
  • Engaged with stakeholders to analyze business requirements and deliver effective engineering solutions with high availability.
  • Led mentoring sessions for new developers, ensuring adherence to IBM's coding and design standards.
  • Supported post-release production systems, resolving critical incidents with fast turnaround to meet SLA targets.
  • Conducted peer code reviews and led deployment support across various client accounts, improving team delivery velocity.

Education

B.Tech - Information Technology

WBUT University
06.2013

Skills

  • Java
  • Spring Boot
  • Micro Services
  • Elastic Search
  • Data Structure & Algorithm
  • System Design
  • Kafka
  • REST API
  • TestNG
  • WCNP Azure Cloud
  • Hibernate
  • Cassandra
  • JIRA
  • Git
  • Maven
  • Redis
  • Azure SQL
  • Tomcat

Certification

Oracle JAVA Certification

Accomplishments

  • Technical Mentorship, Recognized for strong stakeholder collaboration, technical ownership, and mentoring (Got Bravo Award)
  • Performance Improvements, Achieved significant performance improvements across various systems, enhancing user experience through reliable and fast APIs (Got SPOT Award)

Languages

English
Hindi
Bengali

Timeline

Senior Software Engineer

Walmart
03.2019 - Current

Software Engineer

Amdocs
04.2016 - 03.2019

Application Developer

IBM
03.2014 - 04.2016

B.Tech - Information Technology

WBUT University

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Sandip Mandal