Ratan Kumar

Engineering Manager

Bengaluru, Karnataka, India12 yrs 7 mos experience
Highly Stable

Key Highlights

  • 9 years of experience in scalable software applications.
  • Expertise in e-commerce and database security.
  • Proven track record in leading complex projects.
Stackforce AI infers this person is a Backend-heavy Software Engineer in the E-commerce industry.

Contact

Skills

Core Skills

Database ManagementSoftware DevelopmentSystem ArchitectureSecurity Engineering

Other Skills

AlgorithmsAuditingCC++Data RedactionData StructuresDatabase SecurityElastic SearchHBaseHTMLInventory ManagementJavaJavaScriptLayered ArchitectureLinux

About

Experienced Software Engineer with a demonstrated history of working in the e-commerce industry and Oracle database security layer. 9 Years of Experience in Building Scalable and Extensible Software Applications/Platform in the areas of Ads Serving, Ads Demand, Supply chain/Fulfillment ecosystems. Hands on experience in the tech stacks such as Java, RoR, Spark, Storm, Redis, MySQL, Couchbase, HBase, Elastic Search and many more.

Experience

Uber

Engineering Manager II

Apr 2025Present · 11 mos · Bengaluru, Karnataka, India · Hybrid

Flipkart

5 roles

Engineering Manager

Mar 2024Jun 2025 · 1 yr 3 mos

SDE-4

Promoted

Feb 2022May 2024 · 2 yrs 3 mos

SDE-3

May 2019Mar 2022 · 2 yrs 10 mos

  • [+] Current working on revamping Flipkart PLA Ingestion System (aka Ingestion pipeline) to support the future scale of demand and ensure Multi DC setup for PLA systems(ensuring no X-DC calls)
  • [+] Scaling Applications Vertically, Scaling Flipkart PLA Ads Systems for BBD 2020.
  • [+] Launching Flipkart Grocery listing Ads across all pages(Search & Browse pages) ensuring no overlap of demand across different marketplaces
  • [+] Building end to end content insights view (aka Coin) for the Auto content generation systems which would help in measuring the effectiveness of strategies/rules resulting to content creation to be served on Flipkart property.
  • [+] Lead track for sharding WMS ecosystem with the focus of scaling and ensuring the business continuity with review and mentoring of multiple other ongoing projects.
  • [+] Worked and led the mobility charter for WMS ecosystem which involved solving Picking for multi-category product generically at scale. Worked on a unified task interface and providing Offline safe capability support in the solution.
JavaRedisMySQLHBaseElastic SearchDatabase Management+1

SDE-2

Promoted

Jul 2017Apr 2019 · 1 yr 9 mos

  • [+] Worked on Re-Architecture of the Warehouse system. This involved breaking the monolith system into micro-service, assigning responsibilities and creating the Reservation to Dispatch view and implementation of the same.
  • [+] Scaling the WMS system for the BBD
  • [+] Worked on workflow system for Non Customer Outbound Request with introduction of Transfer List. This was used later for any kind of inventory movement in warehouse such as IWIT, Transfer Request.
  • [+] Stabilised the inventory reconciliation system(aka stock take) and added multiple new features to it.
JavaMicroservicesInventory ManagementSoftware DevelopmentSystem Architecture

SDE-1

Jun 2015Jun 2017 · 2 yrs

  • [+] Worked on WSN(serialised inventory concept) migration to Layered architecture module
  • [+] Introduced a new packing algorithm (Large area first fit) for the calculation of shipment cost. This was needed as there was lot of variation of shipment cost based on packaging leading to multiple seller escalation
  • [+] Launching Grocery supply chain from WMS. Sole owner of complete inbound flow integration and changes.
JavaLayered ArchitecturePacking AlgorithmsSoftware DevelopmentSystem Architecture

Oracle india pvt. ltd

Member of Technical Staff

Jul 2013Jun 2015 · 1 yr 11 mos · Bengaluru Area, India

  • Started career with Oracle India Pvt Ltd. Working on Database security products in ORACLE (Auditing, Unified Auditing, Logons, Data Redaction, EUS).
  • [+] Worked on Data Redaction feature to Oracle MySql 12g
  • [+] Worked on backporting HSM module to Oracle Mysql
Database SecurityAuditingData RedactionDatabase ManagementSecurity Engineering

Education

Motilal Nehru National Institute Of Technology

Bachelor of Technology (B.Tech.) — Information Technology

Jan 2009Jan 2013

Chinmaya Vidyalaya

Intermediate — PCM

Jan 2007Jan 2009

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