Nikhil S.

Software Engineer

Mumbai, Maharashtra, India6 yrs 7 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Expert in designing high-throughput microservices.
Proven track record of optimizing system performance.
Strong background in backend engineering and system observability.

Stackforce AI infers this person is a Backend Engineer specializing in high-performance microservices within the SaaS industry.

Contact

Skills

Core Skills

MicroservicesPerformance TuningTest AutomationJavaCode QualityBackend Development

Other Skills

API performanceAlgorithmsAmazon Web Services (AWS)Back-End Web DevelopmentCC (Programming Language)Core JavaCucumberData StructuresData structures and algorithmsE2E testsGitHTMLJUnitJavaScript

About

I’m a Backend Engineer (SDE-3) with experience in designing, developing, and deploying high-throughput, low-latency microservices using Java, Spring Boot, Kafka, Redis, MySQL, AWS, and Kubernetes. My core strength lies in solving complex backend challenges — from real-time WebSocket communication systems and event-driven architectures to optimizing Kafka consumers, improving query performance, and ensuring system observability in production. I’ve built: • Scalable microservices handling millions of requests/day • Resilient Kafka consumers with retry + DLQ patterns • Real-time systems using WebSockets and Redis Pub/Sub • Multi-DB transactional flows with data consistency I thrive in fast-paced, ownership-driven environments where system design, performance tuning, and clean architecture matter. I’m passionate about backend engineering that isn’t just functional but robust, maintainable, and built to scale. I value clarity, reliability, and continuous improvement — in both code and life.

Experience

6 yrs 7 mos

Total Experience

3 yrs 3 mos

Average Tenure

4 yrs 3 mos

Current Experience

Upstox

2 roles

Software Development Engineer - III

Promoted

Apr 2024 – Present · 2 yrs 2 mos

Software Development Engineer - II (Backend)

Mar 2022 – May 2024 · 2 yrs 2 mos

Optimized heavy data loading process by using multi-threading, async processes, scheduled jobs, and caching wherever needed resulting in a reduction of processing and loading time by more than 90%
Analyzed microservice and proposed design changes for better performance and cost-efficiency. Upon
implementation, an API performance was boosted by 50%, and response time and load decreased by 80%

multi-threadingasync processesscheduled jobscachingmicroservicesAPI performance+2

Netcracker technology

3 roles

Java Developer ( Backend )

Promoted

Jul 2021 – Feb 2022 · 7 mos

Accomplishments include:
Designed and automated 50+ E2E tests using TestCafe & Cucumber, simulating actions covering more than 70% features of the product for both back-end and front-end
Revamped in-house back-end test automation project by refactoring and restructuring the existing codebase, achieved an increase in throughput by 20%

E2E testsTestCafeCucumberback-end test automationTest AutomationJava

Junior Java Developer ( Backend )

Oct 2019 – Jul 2021 · 1 yr 9 mos

Accomplishments include:
Strengthened code quality of highly scalable and available microservice, By fixing up to 90% of SonarQube minor, major and critical code smells, resulted in a significant performance boost
Resolved and reduced bugs of spring boot based micro-service for pre-production, Production, and post-production patches
Monitored and estimated resource requirements for microservices by performing stress volume testing using developing a simple Java-based application

SonarQubeSpring Bootmicroservicesstress volume testingMicroservicesCode Quality

Software Engineer Trainee

Jul 2019 – Sep 2019 · 2 mos

Accomplishments include:
Built backup checking system to check accuracy and state of the backup taken using Java and spring boot, Which impacted in identifying the critical gaps in the backups
Improved JUnit coverage from 20% to 90% for 5,000+ lines of code in collaboration with team mate by simulating mock-responses using open-source mock-server

JavaSpring BootJUnitBackend Development