Overview
Work History
Education
Skills
Certification
Websites
PS-II collaborator
University Grant
Timeline
Generic
Vikas Ranjan

Vikas Ranjan

Bengaluru

Overview

14
14
years of professional experience
2
2
Certifications
2
2
Languages

Work History

Staff Engineer

Wayfair
04.2025 - Current

Senior Engineer

Wayfair
12.2021 - 03.2025
  • Received appreciation from the CEO for due diligence, technical excellence & the business impact delivered on Tech transformation from huge PHP Monolith to microservices via Generative AI
  • As Tech Lead, translated complex business requirements into actionable project designs and architectures, significantly enhancing system efficiency.
  • Designed & executed a distributed event-based notification platform carved out of a PHP Monolith using Java, Spring, Apache Kafka, Postgres & run in Kubernetes. Developed REST APIs, scaling up to 10k requests per minute
  • Directed Backend & Frontend module(s) for project 'Subscription Management', increasing email action rate to 13%
  • Spearheaded the project in Frontend using ReactJS, & backend using Java, Spring, GraphQL. Exposed service via Kong service, using Istio service mesh. Experienced in Junit, Mockito, Integration testing, dockerized testing using Garden IO
  • Led Architecture review, code review, mentoring team & the hiring process. Enriched design documentation, created RFC & post-mortem documentation
  • Led project as interim Engineering Manager, established milestones & drafted technical roadmaps for 6 months
  • Facilitated Scrum process, ensured that the Scrum process is implemented effectively. Identified impediments to the team's progress, worked with the team to develop strategies for overcoming obstacles, and coordinated with stakeholders to resolve issues that are beyond the team's control.
  • Optimized architecture to reduce pagertudy incidents up to ~1/60 days. Resolved up to 98.9% of email deliverability issues
  • Leveraged Google Big Data services to create multiple Data Studio/Looker Dashboards for cutting down the email traceability issues & reduce on-call support to ~50%

SDE-II /SDE-III

Groupon
07.2019 - 12.2021
  • Promoted to Tech Lead within 7 months owing to exceptional performance in team-leading & Microservices migration to the latest JTier framework. Handled the Pre-Purchase funnel team as the Tech lead
  • Bagged multiple awards including Spot Award, Star Innovator Award, & Top 3 Finalists Groupon-Hack Award
  • Led designing, E2E development & support for 6 microservices across Groupon for the Pre-Purchase funnel user journey
  • Created architecture design documentation, engaged in code reviews, team mentorship & the recruitment process contributing to 40+ fresh hirings. Planned a high-priority cloud migration for microservices using AWS components
  • Appreciated by the senior VP for finding & fixing a major bug in UGC service, which impacted the purchase growth by 3.8%
  • Developed & deployed microservices on the K8 cluster using a dockerized container, Java, Dropwizard, Postgres & Redis

Senior Software Engineer

MobileIron(Acquired by Ivanti)
08.2017 - 07.2019
  • Designed & implemented EMM features for Apple devices (iOS, macOS), driving a major revenue share for MobileIron
  • Built a Java-based platform for MobileIron internal framework using Elasticsearch, Cassandra & Solr
  • Contributed to the development of MTD (Mobile Threat Detection) which led to a major business deal of ~30 million USD

Senior Software Engineer-II

MakeMyTrip
06.2016 - 07.2017
  • App-like UX that resulted in a 3x increased conversion rate
  • Designed & developed a Metrics library SDK to collect & push data to Omniture, Hive, & Grafana for monitoring & analysis

Senior Software Engineer/Tech Lead

Samsung R&D
05.2014 - 06.2016
  • Developed a SDK which can be used by any CoreApps (messaging, contacts etc.)or any third party application which required file sharing to a person or group in various possible ways - part of launch for S6 Edge devices.

Associate Software Engineer

CA Tech (Acquired by Broadcom)
07.2012 - 04.2014
  • Automation Suite for Clouds (ASC): - Developed an end-to-end solution for managing cloud in IaaS.

Intern

STMicroelectronics
07.2011 - 12.2011
  • Designed a Graphical user interface using SKILL language in UNIX platform for ASCO (A SPICE circuit optimizer) software, to automatically optimize 'unsized' schematic, saving a lot of time and energy of an Analog designer.

Education

M.Sc. (Hons) - Mathematics

BITS Pilani, Pilani Campus
05.2012

B. E. (Hons) - Electronics & Instrumentation

BITS Pilani, Pilani Campus
05.2012

Skills

Java (Programming Language)

VertexAI

Generative AI

LLM Tuning

Hibernate (Java)

GraphQL

Apache Kafka

Redis

Machine Learning

RabbitMQ

Google Cloud

Amazon Web Services

Android

Leadership

Research

Agile Software Development

Project Management

MongoDB

Apache Cassandra

Grafana

Reactjs

Dropwizard

PHP

Docker (Software)

Big Data

HTML5

Elasticsearch

Cloud Migration

Microservices

Angular (Web Framework)

Kubernetes

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Certification

July 2021 — Present

Websites

PS-II collaborator

  • December 2023 — May 2024
  • Facilitated the establishment of a BITS Pilani PS-II center at Wayfair, initiating and leading discussions with senior leadership including the India TDC head and the Head of HR and Talent Acquisition. Successfully secured PS-II opportunities for over 10 students, with the majority receiving pre-placement offers.

University Grant

  • April 2024 — Present
  • Secured a significant university grant of INR 10 lakh from RitviTech & Co, leveraging familial connections to enhance educational funding and resources

Timeline

Staff Engineer

Wayfair
04.2025 - Current

Senior Engineer

Wayfair
12.2021 - 03.2025

SDE-II /SDE-III

Groupon
07.2019 - 12.2021

Senior Software Engineer

MobileIron(Acquired by Ivanti)
08.2017 - 07.2019

Senior Software Engineer-II

MakeMyTrip
06.2016 - 07.2017

Senior Software Engineer/Tech Lead

Samsung R&D
05.2014 - 06.2016

Associate Software Engineer

CA Tech (Acquired by Broadcom)
07.2012 - 04.2014

Intern

STMicroelectronics
07.2011 - 12.2011

M.Sc. (Hons) - Mathematics

BITS Pilani, Pilani Campus

B. E. (Hons) - Electronics & Instrumentation

BITS Pilani, Pilani Campus

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