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.

Vallabh Shelar

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.

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. 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.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

Software Engineer Intern at GoChanakya Fintech Private Limited
June 23, 2023 - June 24, 2024
API Engineering: Architected and deployed 6 RESTful Python APIs supporting real-time stock data processing for 3,500 users, improving data availability and system stability. Transitioned from batch to stream uploads to ensure real-time data integrity. Designed relational schema with 12 entities to manage high-density portfolio data exceeding 4,000 rows. Developed Python-based financial scripts that reduced formula errors by 75%.
Graduate Research Volunteer at Monash University
November 25, 2025 - February 26, 2026
Distributed Systems: Engineered Python automation for a 12-node distributed system, enhancing operational efficiency by 90%. Infrastructure as Code: Replaced manual scripts with resilient systemd services using Ansible, eliminating approximately 20 recurring system errors.
Full-Stack Platform Developer at Community Nutrition Victoria
September 25, 2025 - November 25, 2025
Full-stack Vue.js 3 and Firebase web platform with dynamic form validation and accessible UI components; implemented Firestore security rules and Cloud Functions to enforce protected routes and backend workflow automation. Load-tested to handle 1,000–3,000 requests per minute; deployed via Cloudflare/GitHub Pages for high availability.
Backend Engineer - Airline Microservices at Airline Microservices
January 26, 2026 - February 26, 2026
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.
Software Testing & QA Engineer at Airline Reservation System
March 25, 2025 - June 25, 2025
Booking workflow design: Developed 4 modular Java components to manage reservation lifecycle, resolving 30 integration errors. Increased code coverage from 74% to 96% with 85 JUnit tests; led static and mutation testing via SonarQube to reduce technical debt.
Full-Stack Developer (Community Nutrition Victoria Project) at Community Nutrition Victoria
September 1, 2024 - November 1, 2024
Full-stack Vue.js 3 and Firebase platform with dynamic form validation and accessible UI components, supporting 100–300 concurrent users. Implemented Firestore security rules and Cloud Functions to enforce protected routes and back-end workflow automation. Load-tested the system to handle 1,000–3,000 requests per minute and deployed via Cloudflare/GitHub Pages for high-availability hosting.
Architectural Refactoring Engineer (Airline Microservices) at Airline Microservices
January 1, 2026 - February 1, 2026
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.
Software Testing & QA (Airline Reservation System) at Airline Reservation System
March 1, 2025 - June 1, 2025
Booking workflow design: Developed 4 modular Java components to manage reservation lifecycle flows, resolving 30 integration errors for reliable state transitions. Testing & reliability: Authored 85 JUnit tests, increasing code coverage from 74% to 96% and identifying 15 critical workflow defects. Code quality & stability: Led static and mutation testing via SonarQube, reducing technical debt by 85% and increasing mutation scores to 95%.
Full-Stack Developer (Project) at Community Nutrition Victoria
September 1, 2025 - November 30, 2025
Full-stack development: Engineered a multi-role Vue.js 3 and Firebase web platform with dynamic form validation and accessible UI components, supporting 100-300 concurrent users. Security architecture: Implemented Firebase Authentication, role-based access control, Firestore security rules, and Cloud Functions to enforce protected routes and back-end workflow automation. Scalability & deployment: Load-tested the system to handle 1,000–3,000 requests per minute and deployed via Cloudflare/GitHub Pages for high-availability hosting.
Architectural Refactor at Airline Microservices
January 1, 2026 - February 1, 2026
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.
Software Testing & QA at Airline Reservation System
March 1, 2025 - June 30, 2025
Booking workflow design: Developed 4 modular Java components to manage reservation lifecycle flows, resolving 30 integration errors to ensure reliable booking state transitions. Testing & reliability: Authored 85 JUnit test cases, increasing code coverage from 74% to 96% and identifying 15 critical workflow defects impacting reservation consistency. Code quality & stability: Led static and mutation testing via SonarQube, reducing technical debt by 85% and increasing mutation scores to 95%.

Education

Master of Information Technology at Monash University
July 24, 2024 - June 26, 2026
Master of Information Technology at Monash University
July 1, 2024 - June 1, 2026
Master of Information Technology at Monash University
July 1, 2024 - June 30, 2026

Qualifications

Merit Scholarship
July 24, 2024 - June 26, 2026
Merit Scholarship
January 11, 2030 - February 26, 2026

Industry Experience

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