Hi, I'm Vinay Kumar, a Senior Android and Software Engineer based in Adelaide, currently exploring contract or permanent software engineering roles in Adelaide, SA. I have 10 years of experience designing, building, and shipping consumer-facing mobile and full-stack applications, with deep expertise in Kotlin, Java, Jetpack Compose, MVVM, and RESTful APIs, complemented by back-end work in Node.js and Spring Boot. I enjoy leading technical decisions, mentoring engineers, and delivering high-impact features in fast-paced Agile environments. In my previous roles at Angi, MoneyGram International, and Lineup Media Group, I've driven architecture, quality, and collaboration across cross-functional teams to deliver delightful user experiences. I'm excited to bring my skills to a new team in Australia.

Vinay Kumar

Hi, I'm Vinay Kumar, a Senior Android and Software Engineer based in Adelaide, currently exploring contract or permanent software engineering roles in Adelaide, SA. I have 10 years of experience designing, building, and shipping consumer-facing mobile and full-stack applications, with deep expertise in Kotlin, Java, Jetpack Compose, MVVM, and RESTful APIs, complemented by back-end work in Node.js and Spring Boot. I enjoy leading technical decisions, mentoring engineers, and delivering high-impact features in fast-paced Agile environments. In my previous roles at Angi, MoneyGram International, and Lineup Media Group, I've driven architecture, quality, and collaboration across cross-functional teams to deliver delightful user experiences. I'm excited to bring my skills to a new team in Australia.

Available to hire

Hi, I’m Vinay Kumar, a Senior Android and Software Engineer based in Adelaide, currently exploring contract or permanent software engineering roles in Adelaide, SA. I have 10 years of experience designing, building, and shipping consumer-facing mobile and full-stack applications, with deep expertise in Kotlin, Java, Jetpack Compose, MVVM, and RESTful APIs, complemented by back-end work in Node.js and Spring Boot. I enjoy leading technical decisions, mentoring engineers, and delivering high-impact features in fast-paced Agile environments.

In my previous roles at Angi, MoneyGram International, and Lineup Media Group, I’ve driven architecture, quality, and collaboration across cross-functional teams to deliver delightful user experiences. I’m excited to bring my skills to a new team in Australia.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

Javanese
Advanced
Amharic
Intermediate

Work Experience

Android Development Engineer II at Angi (formerly HomeAdvisor)
November 1, 2021 - Present
Lead Android development for HomeAdvisor, a top-rated home services marketplace with millions of active users across the US. Delivered 10+ major consumer-facing features across weekly native app release cycles, contributing to improved user engagement and Play Store ratings. Architected MVVM-based components adopted across the core mobile codebase, reducing build times and improving maintainability. Drove code quality initiatives through structured design reviews and engineering best practices, reducing critical production incidents by over 30%. Collaborated with cross-functional teams spanning Engineering, Product, and Operations to break down complex requirements into iterative, releasable deliverables. Participated in production on-call rotation, resolving high-severity incidents and improving system reliability. Implemented Jetpack Compose-based UI components as part of the team's migration from XML layouts, improving development speed and reducing UI-related bug counts. Integrated
Senior Android Engineer at MoneyGram International
January 1, 2021 - October 1, 2021
Developed complex Android features for a global money transfer platform serving customers across 200+ countries. Built and maintained Kotlin/Java-based Android applications using MVVM architecture, RESTful API integration, and Gradle build tooling. Designed reusable Android UI components following material design principles, improving development velocity for the mobile team. Implemented comprehensive test validations using JUnit and Espresso, contributing to a significant reduction in regression defects.
Android Engineer at Lineup Media Group
October 1, 2017 - January 1, 2021
Led Android development for a media and entertainment platform, delivering complex UI experiences using Java and Kotlin. Built and maintained cross-platform mobile infrastructure, coordinating development across Android and desktop clients. Integrated mobile applications with backend services via RESTful APIs, implementing database solutions using Realm and SQLite. Championed test-driven development practices, writing unit test cases that improved overall code coverage. Led end-to-end delivery of Android features from technical scoping through to production release, coordinating directly with product and design stakeholders. Migrated legacy Java components to Kotlin, improving code readability and reducing crash rates across the application.
Android Engineer – Backend at Southwest Airlines
September 1, 2017 - October 1, 2017
Designed, developed, and maintained RESTful APIs and web services using Node.js to support mobile application backends. Implemented API security, versioning, documentation, caching, and load balancing strategies.
Android Engineer II at Coolfire Solutions
October 1, 2016 - July 1, 2017
Developed enterprise Android mobile applications in Java and Kotlin with complex UI components and RESTful API integrations. Implemented database solutions using Realm and SQLite; managed codebase using Git version control.
Software Developer at Reliable Software
June 1, 2016 - September 1, 2016
Full-stack software development across the complete SDLC, collaborating with designers, testers, and product managers.
Java Developer at International Software Systems Inc.
February 1, 2016 - May 1, 2016
Designed and developed Java applications using Spring Boot and Spring MVC; built dynamic web applications with HTML, CSS, and JavaScript. Developed and maintained RESTful APIs, integrated third-party APIs, and optimised database queries and schemas.

Education

Master of Computer Science at Indiana State University
November 1, 2014 - December 1, 2015
Bachelor of Technology (B.Tech.) — Computer Science Engineering at Jawaharlal Nehru Technological University
January 11, 2030 - May 16, 2026

Qualifications

Certified C Programmer
January 11, 2030 - May 16, 2026
Certified C++ Programmer
January 11, 2030 - May 16, 2026

Industry Experience

Software & Internet, Media & Entertainment, Professional Services