Rajat Singh

Software Engineer

Chennai, Tamil Nadu, India7 yrs 2 mos experience

Key Highlights

Led product team to enhance user experience.
Optimized KYC processes significantly.
Developed innovative solutions for e-commerce.

Stackforce AI infers this person is a SaaS and E-commerce specialist with a focus on user experience and system optimization.

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Skills

Core Skills

LeadershipBusiness AnalysisWeb Development

Other Skills

AWSAnalytical SkillsAurora RDSAzure CacheAzure Cosmos DbC++Competitive CodingCross-functional Team LeadershipData ModelingDockerElasticCacheGitFlowJavaJenkinsJira

About

Product Engineer II, July 2022 - 31st Dec 2022 Udaan, Bengaluru - Led a product team specializing in user cohorting to personalize the user’s UI experience, promotions, and exclusive deals. - Lead Contributor in puzzling out the existing drug license KYC workflow with new info. and smoothly onboarding existing user’s to new construct. - Composed a generic data model for udaan users which aggregates buyer’s order, return, communication, and app usage behavior to dynamically predict buyer cohort. Engineer, August 2020 - June 2022 Udaan, Bengaluru - [Project Bharat] An exclusive in-app flow to enable new users to perform transactions on their first visit. (ReactJs, Kotlin, Azure Cache, Azure Cosmos Db) - Improved in-app KYC document upload process efficiency from 15.60% to 41.02%. (TypeScript, ReactNative, Mixpanel) - [Assisted Verification] A support construct for users to connect with agents, get instant KYC responses, and first-order assistance. (ReactJs, Kotlin, TypeScript, React Native, Azure Cosmos Db, REST) - [Soft Verification] Internal workflow to capture and verify users' physical shop. (ReactJs, REST, Kotlin, Azure Cosmos Db) - Optimized KYC Verification TAT from ~48 hours to ~24 hours by providing visibility and access mechanism to optimize tasks. (ReactJs, Kotlin, REST) - Improved User in-app Sign-up to Verification Inflow from 21% to 35% (Mixpanel, TypeScript, ReactNative) - Collaborated to build find.udaan.com, a platform to find medicines during a pandemic. (Kotlin, REST)

Experience

Refex mobility

Software Development Engineer III

May 2025 – Present · 10 mos · Chennai, Tamil Nadu, India · On-site

LeadershipGitFlowTeamworkAnalytical SkillsBusiness AnalysisCross-functional Team Leadership+9

Blusmart

2 roles

Tech Lead - Charge

Apr 2024 – May 2025 · 1 yr 1 mo · Gurugram, Haryana, India · On-site

Optimised service workflow and db utilisation to reduce AWS cost by ~45% (2024-25).
Enabled third-party charger functionalities on our application to expand in new cities and increase charger availability to increase revenue by ~8-10%.
Enabled reservation feature to optimise the on-ground experience and improve charger utilisation by 10-12%.
Reduced services built time by ~ 50% to minimise downtime robustness.
Brought DTL site charging fraud from ~10k units to zero enabling effective revenue generation.
Built a fraud detection system to identify driver-partner and shift executives who misuse application privileges saving ~1.6 lakh/month.

Senior Software Development Engineer

Jan 2023 – Mar 2024 · 1 yr 2 mos · Gurugram, Haryana, India · On-site

Led, built, and deployed the SSO authentication and authorization service using Docker, Jenkins, Java, Keycloak, ElasticCache, Spring Boot, Aurora RDS, and AWS.
Optimised system memory and queries to improve charger data capture from 20% -> 90 in OCPI and 70% -> 95% for OCPI.
Led, built, and deployed the E2E charging management system utilizing Java, Spring Boot, Kafka, Aurora RDS, ElasticCache, and AWS.
Led, built, and deployed vehicle maintenance and charging system with Java, Spring Boot, Kafka, RDMS, Redis, and Jira.
Introduced “We should pay for what we have” terminology to make the charger and operation discussion effective.