Rohan .

Backend Engineer

Bengaluru, Karnataka, India2 yrs 4 mos experience

Highly Stable

Key Highlights

Engineered APIs with 30% performance improvement
Automated security compliance for 50,000+ servers
Received Bravo Award twice for strategic contributions

Stackforce AI infers this person is a Backend Engineer specializing in scalable systems and API development in the SaaS industry.

Contact

Skills

Core Skills

Microservices ArchitectureApi Development

Other Skills

APIAgile Software DevelopmentAndroid DevelopmentApache KafkaAzure Cosmos DBBackend DesignBigQueryBootstrapC++Caching OptimizationCascading Style Sheets (CSS)CommunicationComputer EngineeringComputer ScienceConfiguration Management

About

Software Development Engineer with 2.5+ years of experience building scalable backend systems and high-performance APIs at Walmart Global Tech. Proven track record of delivering enterprise-grade solutions impacting 60,000+ applications and 750,000+ certificates. Currently Serving Notice Period. CURRENT ROLE: SDE III at Walmart Global Tech India OPEN TO: Senior SDE | SDE II | Backend Engineer | Software Engineer roles CORE COMPETENCIES: - Languages: Go (Golang), Java, Python, C++, Spring Boot - Backend Technologies: Go Gin,GraphQL, gRPC, Kafka, Redis, PostgreSQL, Elasticsearch, BigQuery, REST APIs, - Specializations: Microservices Architecture, API Development, System Design, Performance Optimization, Tech Debt Management KEY ACHIEVEMENTS: ✓ Engineered high-performance APIs achieving 30% performance improvement ✓ Automated security compliance systems for 50,000+ servers and 700,000+ client certificates ✓ Reduced pipeline runtime by 51.53% through caching optimization and data repartitioning ✓ Received Bravo Award twice (Apr 2024, Nov 2024) for strategic contributions TECHNICAL APPROACH: Specialized in building resilient, scalable backend systems with focus on performance optimization, security automation, and reducing technical debt. Experienced in full SDLC from design to deployment, with strong emphasis on code quality

Experience

2 yrs 4 mos

Total Experience

2 yrs 4 mos

Average Tenure

Current Experience

Walmart global tech india

3 roles

SDE II

Jul 2023 – Nov 2025 · 2 yrs 4 mos · Bengaluru, Karnataka, India · Hybrid

Managed the strategic and targeted minimization of technical debt using two key products, Tech-Debt and Certengine, by implementing a sophisticated tech stack using Golang, ELK (Elasticsearch, Logstash, and Kibana), Kafka, BigQuery, jQuery, GraphQL for optimal performance enhancement.
Contributed to Tech-Debt, targeting Java-based applications within Walmart's repositories. Automated email notifications and deployment blocks for outdated or vulnerable libraries, enhancing system reliability.
Contributed to CertEngine, a comprehensive tool scanning both server and client-side certificates for Walmart. Implemented a proactive certificate management system, automating timely renewal notifications.
Engineered high-performance APIs using the Go Gin framework and GraphQL, significantly boosting system responsiveness and reliability in response to outdated libraries and technology challenges.
Integrated diverse modules into the development pipeline expanding overall scope and enhancing functionality to meet evolving business needs, aligning the product strategically with leadership requirements.
Achieved heightened visibility and interest from organizational leaders for both products, highlighting their strategic importance in addressing technical challenges and improving security measures.

GolangElasticsearchKafkaBigQueryGraphQLAPI Development+1

SDE Winter Intern

Jan 2023 – Jun 2023 · 5 mos · Bengaluru, Karnataka, India · Hybrid

Developed a high-performing POST API to generate Audit Trip History and a GET API to fetch Trip History, utilizing Java, REST, and API development.
Achieved exceptional code coverage by creating comprehensive JUnit test cases(80%+ line coverage, 100% method coverage and 100% class coverage).
Enhanced system efficiency by implementing concurrency through the utilization of cosmos ETag functionality.
Delivered substantial value by writing over 3600 lines of code.

JavaRESTJUnitAPI Development

SDE Summer Intern

May 2022 – Jul 2022 · 2 mos · Bengaluru, Karnataka, India · Hybrid

Conducted extensive profiling of Channel Performance to identify bottlenecks, skewness and other factors that increased run time.
Experimented with different caching methods and was able to reduce runtime for individual modules by 59.62% and for end-to-end pipeline by 51.53%.
Performed Exploratory Data Analysis to verify presence of data skewness and to identify which column based repartitioning will give better results.
Experimented with different partition sizes and was able to reduce runtime by 43.48% by repartitioning the dataset.

Data AnalysisCaching Optimization

Coding ninjas

2 roles

Content Reviewer and Teaching Assistant

Feb 2022 – May 2022 · 3 mos · Remote

Reviewed Coding Ninjas new Competitive Programming course.
Resolved 698 doubts of 320 students and received average rating of 4.78.

Teaching Assistant

Jul 2021 – Nov 2021 · 4 mos · Remote

Key responsibilities included taking doubt sessions, debugging codes and helping students in their assignments over a period of 4 months.
Resolved 560 students and received average rating of 4.82.
Received an offer of a 4-month extension and another offer to review a course content after performance review.

Ch points

Full Stack App Developer || Freelance

Jul 2021 – Aug 2021 · 1 mo · Remote

Led the coordination between the UI/UX team and the client to design and build the front-end of the app.
Authored code to authenticate users via email using Firebase Authentication, managed all exceptions and implemented a password reset feature.
Programmed storage and retrieval of data in User, Property, FAQ and Terms & Condition databases using Cloud Firestore.
Developed file upload feature using Firebase Storage to collect and store display picture and other documents.