Dhananjay Chakravorty

Senior Software Engineer

Bengaluru, Karnataka, India12 yrs 10 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Led backend services handling 50M+ requests/day.
Reduced cloud costs by 60% with optimizations.
Designed and developed IoT microservices for Samsung.

Stackforce AI infers this person is a Backend-heavy Software Engineer with expertise in SaaS and IoT solutions.

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Skills

Core Skills

GoGoogle Cloud Platform (gcp)JavaDistributed SystemsPythonSpring Boot

Other Skills

Agile MethodologiesAmazon DynamoDBAmazon S3Amazon Web Services (AWS)AndroidAntApache PulsarBigTableC++Core JavaData StructuresDatadogGCPGo (Programming Language)Google BigQuery

About

Senior Software Engineer with 12+ years of experience building and scaling backend systems in e-commerce, SaaS, and IoT. I specialize in Java, Go, and distributed system design—focusing on scalability, reliability, and cost efficiency. At Narvar, I’ve led high-scale backend services handling 50M+ requests/day, driving automation, cloud migrations, and infra optimizations. Previously at Samsung, I built IoT microservices, led the SmartThings app for FamilyHub devices and android applications for Flagship Samsung phones.

Experience

Narvar

3 roles

Senior Software Engineer II

Promoted

Sep 2024 – Present · 1 yr 6 mos

Designed and led backend initiatives for Promise — a high-scale service handling 50M+ requests per day — ensuring reliability, performance, and cost efficiency.
Automated retailer onboarding, validation, and go-live workflows, reducing onboarding turnaround time by 50% and improving merchant activation velocity.
Architected and executed infrastructure optimizations, lowering cloud costs by 60% while maintaining high availability and latency SLAs.
Developed A/B testing infrastructure to enable data-driven product rollouts and experimentation across the Promise ecosystem.
Led the end-to-end migration of Promise services from AWS to GCP, including data, traffic, and infrastructure migration — completed with zero customer downtime and smooth cross-environment transition.
Tech stack: Go, PostgreSQL, Redis, GCP.

Go (Programming Language)PostgreSQLMetaBaseGoogle BigQueryGoogle Cloud Platform (GCP)BigTable+1

Senior Software Engineer

Sep 2022 – Sep 2024 · 2 yrs

Owned backend feature development end-to-end — from design and code reviews to deployment, monitoring, and post-release support.
Collaborated with Customer Success and Implementation teams to address retailer integration requests and ensure seamless system onboarding.
Key Projects & Contributions:
Scheduled Notifications : Designed and built the product feature to schedule notification delivery to customers. This allowed retailers to define rules to schedule, delay and/or repeat notifications to end customers.
API Key Migration: Automated migration and IP whitelisting of existing API keys in SparkPost using Selenium, improving operational efficiency and security compliance.
Messaging UAT Service: Designed and implemented a service enabling new clients to test end-to-end messaging configurations before production rollout, reducing integration issues.
Scheduling Optimization: Streamlined job scheduling logic, reducing scheduled job volume by 95%, significantly improving system throughput and cutting infrastructure costs.
Apple Wallet Integration: Contributed to integrating Narvar’s order tracking system with Apple Wallet, enabling real-time order visibility for end users.
Notification System Unification: Consolidated multiple redundant services into a unified notification system, reducing complexity and improving maintainability.
Tech Debt Reduction: Proactively identified and resolved critical reliability issues, improving uptime and reducing error rates across core messaging services.
Operational Dashboards: Built observability dashboards to improve visibility, alerting, and debugging efficiency for production services.
Tech stack: Java, Python, Redis, PostgreSQL, Apache Pulsar, Yugabyte, Datadog.

Spring BootApache PulsarDatadogPython (Programming Language)YugabyteDistributed Systems+1

Software Engineer 2

Jan 2021 – Aug 2022 · 1 yr 7 mos

Spring BootApache PulsarYugabyte

Samsung electronics

4 roles

Senior Lead Engineer

Promoted

Mar 2019 – Dec 2020 · 1 yr 9 mos

IoT – Missed Action Service
Designed and developed the persistence microservice for the Missed Action platform using Spring Boot, enabling storage and retrieval of user-specific rules via REST APIs for other microservices.
Implemented a data pre-processing pipeline that ingested data from Amazon S3, cleaned, validated, and enriched it for downstream analytics — improving data quality and system reliability.
Collaborated with cross-functional teams to ensure seamless integration with IoT event-processing and rule-evaluation services.
SmartThings Application 2.0 for FamilyHub 4.0
Led a team of four engineers to design, develop, and launch SmartThings 2.0 for Samsung FamilyHub 4.0, delivering the next-generation connected home experience.
Redesigned cloud and account management flows to be fully asynchronous, significantly improving responsiveness and user experience.
Partnered with Samsung HQ (Suwon, South Korea) to align on feature specifications, testing, and global release readiness.
Drove cross-team coordination, code reviews, and release management to ensure on-time delivery and production stability.
Tech stack: Tizen, Java, Spring Boot, REST APIs

Lead Engineer

Promoted

Mar 2017 – Feb 2019 · 1 yr 11 mos

SmartThings app for FamilyHub :
1. Led a team of developers for the development of the SmartThings application, and the SmartThigns widget application from scratch for the Samsung FamilyHub refrigerator.
2. Led the coordination amongst multiple teams, across various geographies (New Delhi, Seoul and Suwon), to complete the development of the applications.
3. Developed the plugin download feature, push notification service, notification database, and the cloud service interaction interface for the application.
4. Successfully completed the commercialisation of the SmartThings application for the FamilyHub 3.0 at Suwon, Korea (Samsung Global HQ).
Hass app for FamilyHub :
1. Developed an Android application, which acted as an IoT controller and was meant to be used for collecting diagnostic information by technicians.

Senior Software Engineer

Promoted

Mar 2015 – Feb 2017 · 1 yr 11 mos

CouponDunia for Tizen :
1. Responsible for the development of the CouponDunia application for the Tizen mobile platform.
2. Developed the entire OAuth based user login feature.
3. Integrated Localytics into the application for application analytics.
SHP SDK :
1. Backward compatibility of the SmartHome application (Android, iOS and Tizen) for SHP (Smart Home Protocol) based devices.
2. Developed an Android application for internal use to stress test easy setup of IoT appliances, the entire test was automated.
3. Added new features to SHP SDK such as integration of OCF push service and notifications.
Video streaming client :
1. Developed a video streaming client for Tizen, with support for HLS and RTSP protocols and which used SSDP to identify cctv cameras.

Software Engineer

Jul 2013 – Feb 2015 · 1 yr 7 mos

Email client and Email SDK :
1. Worked on the development of in-house Android applications to test the various features of Email SDK for Samsung Flagship mobiles.
2. Developed Add-ons for Samsung Email SDK.
3. Optimized the performance and memory footprint of the Email client application for Samsung Android mobile phones.
4. Setup Jenkins for build and unit test automation.

Honeywell technology solutions, inc.

Project Trainee

Dec 2012 – Jun 2013 · 6 mos · Bengaluru, Karnataka, India

Project - Profiling of Mobile Applications for iOS and BlackBerry OS.
1. Was required to come with an approach to identify memory leaks and performance bottlenecks in applications developed for iOS and BlackBerry OS.
Auxiliary responsibilities :
1. Writing scripts to load/stress test web solutions developed at Honeywell Technology Solutions Ltd.
2. Developed an inhouse desktop application to remotely calculate/monitor the downtime of all the test machines on a daily basis available to the Functional Testing team.

Texas instruments

Summer Intern

May 2012 – Jul 2012 · 2 mos · Greater Chennai Area

Project - Content Development for TI-Nspire :
Developed content for mathematical concepts for the TI-Nspire line of products of Texas Instruments using the Lua programming language.