Vallabh Shelar

Available to hire

I am a frontend-backend focused software engineer with a couple years of hands-on experience building secure, role-based web platforms and scalable back-end systems.

About

I am a frontend-backend focused software engineer with a couple years of hands-on experience building secure, role-based web platforms and scalable back-end systems. I design booking-style workflows, authentication systems, and real-time data architectures using Vue.js, Firebase, Spring Boot, and REST APIs to support high-concurrency production environments.

I thrive in cross-functional teams and enjoy turning complex requirements into robust, maintainable software. I value clean code, automated tests, and reliable deployments, and I love crafting scalable solutions that users can trust.

  • 1 year's experience
  • Joined February 2026

Languages

  • EnglishFluent

Industry experience

  • Software & Internet
  • Professional Services
  • Education
  • Media & Entertainment
  • Transportation & Logistics

Work experience· 11 roles

Backend Engineer - Airline Microservices · Airline MicroservicesJan 2026 – Feb 2026 · 2 mos

Architectural refactoring: Decoupled a 4,200 LOC monolithic Java system into 3 independent Spring Boot microservices using Docker Compose; integrated RabbitMQ for asynchronous, event-driven communication; achieved throughput of 300 req/sec with latency under 200 ms. Automated Maven test pipeline on every push/PR using GitHub Actions, running 155 JUnit tests.

Architectural Refactor · Airline MicroservicesJan 2026 – Feb 2026 · 2 mos

Decoupled a 4,200 LOC monolithic Java system into 3 independent Spring Boot microservices using Docker Compose for rapid environment orchestration, reducing setup time from 30 minutes to 5 minutes. High-throughput messaging: Integrated RabbitMQ for asynchronous, event-driven communication, enabling inter-service scalability in the hundreds of events per second. Performance engineering: Leveraged CompletableFuture and 20-way parallelism to achieve a throughput of 300 req/sec while keeping latency under 200ms. GitHub Actions CI/CD: Automated Maven test pipeline on every push/PR, ensuring 155 JUnit tests run consistently and preventing regressions. Enterprise design: Applied Factory and Singleton patterns alongside centralized exception handling to ensure domain consistency and API reliability.

Architectural Refactoring Engineer (Airline Microservices) · Airline MicroservicesJan 2026 – Feb 2026 · 2 mos

Decoupled a 4,200 LOC monolithic Java system into 3 independent Spring Boot microservices using Docker Compose for rapid environment orchestration, reducing setup time from 30 minutes to 5 minutes. Integrated RabbitMQ for asynchronous, event-driven communication, enabling inter-service scalability. Leveraged CompletableFuture and 20-way parallelism to achieve 300 req/sec with latency under 200ms. Automated Maven test pipeline with GitHub Actions to ensure consistent test runs.

Graduate Research Volunteer · Monash UniversityNov 2025 – Feb 2026 · 4 mos
Full-Stack Platform Developer · Community Nutrition VictoriaSep 2025 – Nov 2025 · 3 mos
Full-Stack Developer (Project) · Community Nutrition VictoriaSep 2025 – Nov 2025 · 3 mos
Software Testing & QA Engineer · Airline Reservation SystemMar 2025 – Jun 2025 · 4 mos
Software Testing & QA · Airline Reservation SystemMar 2025 – Jun 2025 · 4 mos

Education

Master of Information Technology · Monash University2024 – 2026
Master of Information Technology · Monash University2024 – 2026
Master of Information Technology · Monash University2024 – 2026

Certifications and awards

Merit Scholarship2024 – 2026
Merit Scholarship2030 – 2026

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