Nitin Kumar
@nitinkumar8
Senior backend engineer specializing in scalable Java microservices.
What I'm looking for
I am a results-oriented Senior Software Engineer with over 9 years of experience designing, developing, and deploying scalable backend systems using Java, Spring Boot, Elasticsearch, and microservices architecture. I focus on performance optimization, reliability, and maintainability while driving end-to-end delivery.
At my current role I lead backend development for a high-traffic product discovery platform, spearheading migrations, caching integrations, and notification system overhauls that drastically improved delivery times and platform stability. I have a proven record of improving API latency, scaling systems to millions of users, and reducing operational costs.
I mentor junior developers, conduct code reviews, and collaborate with cross-functional teams to deliver robust, production-ready services. I bring strong expertise in distributed systems, AWS services, CI/CD automation, and pragmatic problem-solving to every project.
Experience
Work history, roles, and key accomplishments
Associate Principal Engineer
91Digital Web Pvt. Ltd.
Sep 2022 - Present (3 years 3 months)
Led backend development for 91mobiles, migrated Java services to v11, integrated Hazelcast caching, and optimized notification infrastructure to reduce delivery from 2 days to 30 minutes while improving delivery success rate by 95%.
Technology Specialist
Stelling Technologies Pvt. Ltd.
Nov 2020 - Aug 2022 (1 year 9 months)
Contributed to backend systems for RailYatri, optimizing the live train status module to improve response times by 30% and scale to support 2M+ daily active users.
Senior Software Engineer
PYC Consultants
Jun 2020 - Oct 2020 (4 months)
Developed REST APIs for the Kent CamEye connected car IoT solution, reducing API latency by 25% and improving system uptime to 99.9% through reliability and performance enhancements.
Software Engineer
Mogli Labs Pvt. Ltd.
Jan 2019 - Jun 2020 (1 year 5 months)
Developed backend components for ICAT (HUL), built Elasticsearch dashboards and optimized DynamoDB/MySQL queries to improve data retrieval performance by 50%, supporting automation of 1,500+ contracts annually.
Software Engineer
Duronto Technology Pvt. Ltd.
Jan 2017 - Oct 2018 (1 year 9 months)
Built backend systems for TravelKhana, integrating IRCTC/Trainman/Paytm APIs and payment gateways; designed Travelkhana Wallet which reduced checkout time by 40% and increased repeat transactions by 25%.
Senior Software Engineer
Unknown
Designed, developed, and deployed scalable backend systems using Java and Spring Boot, improving performance and reliability across microservices. Led end-to-end delivery, mentored engineers, and drove CI/CD and operational efficiency improvements.
Education
Degrees, certifications, and relevant coursework
Babu Banarasi Das Institute of Technology
Bachelor of Technology, Engineering
Completed Bachelor of Technology degree at Babu Banarasi Das Institute of Technology, Ghaziabad, graduating in 2016.
M.M.H.V. Inter College
12th Grade, Higher Secondary Education
Completed 12th grade (higher secondary) at M.M.H.V. Inter College, Ghaziabad in 2012.
Bloom Public High School
10th Grade, Secondary Education
Completed 10th grade (secondary education) at Bloom Public High School, Ghaziabad in 2010.
Availability
Location
Authorized to work in
Social media
Job categories
Skills
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