May 2023 – Aug 2024 · 1 yr 3 mos

• I’m starting a new position as Senior Software Engineer at Wasoko(Global Team), helping communities across Africa get more for less!
• Summary
• The Promotions Engine for Wasoko is the central service that manages any discount or offer applied to an order. This service will be the foundation upon which we can build automated and logic-based rules to apply and distribute these promotions to customers.
• The engine's main objective is to boost customer engagement and encourage increased sales by offering targeted and relevant promotions to different customer segments based on their geography, demographics, lifecycle status and other factors.
• Our promotions engine will enable us to offer targeted and relevant promotions to different customer segments based on their geography, demographics, and other factors. By providing these promotions, we aim to boost customer engagement & retention and increase sales, thereby advancing our business objectives.
• Wasoko is focused on transforming the business landscape for informal retail shops in Africa.
• The informal retail sector in Africa collectively sells over $600 billion worth of goods annually.
• Wasoko is one of the largest and rapidly expanding B2B digital distribution and lending platforms in Africa.
• It operates in six countries across East and West Africa, powering the extensive informal retail ecosystem.
• Projects :
• Designed and developed a Promotion Engine to manage global promotions across multiple regions and customer
• segments.
• Integrated the Promotion Engine with core systems including OMS, mobile app, and cart service, enabling consistent
• and real-time discount application.
• Scaled the system to handle 150K+ orders per month with high availability and fault tolerance.
• Led code reviews and mentoring initiatives, reviewing 60+ pull requests/month.
• Tech Stack: Java, Spring Boot, PostgreSQL, REST API, GCP.

May 2023 – Aug 2024 · 1 yr 3 mos

Jul 2022 – May 2023 · 10 mos · Bengaluru, Karnataka, India

• Working in Enterprise Inventory.
• Projects
• Decommissioned 6/7 legacy mainframe jobs (MF_ORDER_FEED_JOB, MF_CUSTOMER_UPDATE_JOB),
• cutting infra cost by $6K/month and reducing RCA time from 3+ days to <4 hours.
• Improved data freshness from 24h to 30s by building a Spring Boot Data Poller that fetched delta
• records every 30s from DB2 tables (INV_TRAK_MSG_ALOC, RECPT, OO).
• Ensured zero data loss or duplication via Kafka idempotent keys, DB2 checkpointing tables, and Dead
• Letter Queues for poison records.
• Designed a real-time file ingestion pipeline handling files up to 2 GB, automating flow from File Express
• → S3→ Kafka.
• Reduced end-to-end latency by 90% (20 min → 2 min) using scheduler-based fetching; reliably
• processed 6M+ records/hour under peak load.
• Delivered resilient, observable systems with Java, Spring Boot, Kafka, MongoDB, backed by Grafana-
• based operational dashboards.
• Tech Stack: Java, Spring Boot, Kafka, MongoDB, DB2, S3, File Express, Grafana.

May 2019 – May 2022 · 3 yrs · bangalore

• Working in Real Time Payments team in Visa.
• Real Time Payments.
• Delivered the implementation of Blue Green Deployment.
• Payment Processing Multi DC Deployment.
• Deployment orchestrator .
• Failover orchestrator.
• Scheduler Design and implementation.
• multiple DCs and multiple application instances in a given DC. Only one scheduler should run at
• configured freq. from across multiple instance/multi DC.
• Ledger design and implementation for distributed system.
• Designed and implemented Distributed Lock.
• Most of the domestic RTP Systems support single currency except Hong Kong, which supports both
• Hong Kong Dollars (HKD) and Chinese Yuan Renminbi (RMB). But slowly as the Payment Systems are
• evolving and the inter country and in-region trade is increasing more and more Payment systems are
• planning to support multiple currencies. RTP System has to be future ready and thus should be multi-
• currency by design.
• Real-time Payment System (RTP) enables different entities like Individuals (Person), Businesses,
• Merchants, Governments and Financial Institutions to exchange funds and thus is critical to the
• nation's and region's growth. The RTP System works in the background, underpinning a financial
• institution's customer facing systems for services such as bill payment, cash management, P2P, and
• emergency disbursements, just to name a few. The RTP System only allows selective institutions to
• participate directly. Rest of the ecosystem participates via the institutions connected to RTP.

Mar 2017 – May 2019 · 2 yrs 2 mos · Bengaluru Area, India

• Projects : Worked on distributed and highly scalable order management system called Global Integrated Fulfillment (GIF) system used at 6000+ Walmart stores across countries.
• 1. Worked on Packing and shipping module in Global Integrated Fulfilment aka GIF which helps in fulfilling the order placed by the customer.
• Building a next-gen global e-commerce fulfilment platform with focus on online grocery.
• 2. Print As A Service.
• GIF have multiple use cases that requires to print a document/report/label using Zebra or Laser printer. Therefore multiple Microservices in GIF have incorporated logic to manage the print functionality. This requires duplicate code at multiple places and everyone needs to solve issues that comes with Printer connectivity.
• 3. Print As A Async Service
• Develop a sync print service for Zebra and Laser printers. Components should be able to use the service and get the jobId immediately.
• Cloud already has a print service in synchronous manner, but in some cases synchronous is not required at all, so for this printAsync service can be used. In the service client just simply call it and get a jobId, which can be used to get the status after.

Nov 2013 – Feb 2017 · 3 yrs 3 mos · bangalore

• Worked as a algorithm developer in Lenskart.com since Nov 2014
• Design and development of HTO scheduling algorithm
• Design and development of searching algorithm of Franchise of part of lenskart.com.