Available to hire
I am Roger Myers, a Senior Full Stack Developer with over 9 years of experience designing, building, and maintaining scalable web applications. I specialize in React, Node.js, Express, and MongoDB, delivering robust platforms used by thousands of users across industries. I thrive in cross-functional teams, drive technical innovation, and mentor junior developers.
In every project I focus on performance, security, and a delightful user experience, from API design to front-end polish, while collaborating with product and design to ship features that matter.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
Javanese
Advanced
Work Experience
Senior Mobile Developer at The BHW Group
January 1, 2025 - PresentLed the end-to-end development of large-scale Android and iOS applications, defining robust architectures (Clean Architecture, MVVM/MVI) and delivering features with a focus on performance, security, and maintainability. Collaborated with product, design, backend, and QA teams; integrated secure payment gateways, real-time location tracking, maps, analytics, and push notifications; drove production health through profiling and optimization. Mentored junior developers and managed releases and production issues.
Mobile Lead / Senior Mobile Engineer at Naked Development
June 1, 2023 - December 1, 2024Defined the mobile technical roadmap, led architectural decisions, and aligned engineering with business goals. Served as a bridge between engineering, product, and design; planned and executed multiple mobile releases; built and maintained CI/CD pipelines (Fastlane, GitHub Actions) for Android and iOS; established coding standards and reviews to reduce technical debt; oversaw app store submissions and post-release improvements.
Mobile Application Developer at Bless Web Designs
March 1, 2022 - May 1, 2023Developed and maintained feature-rich mobile applications using Kotlin, Swift, Flutter, or React Native; designed and integrated REST and GraphQL APIs; built reusable UI components across platforms; implemented secure authentication, offline functionality, and background services; collaborated with backend engineers on API design and data synchronization; participated in Agile processes.
Android Developer at Black Widow Tech
February 1, 2021 - January 1, 2022Designed, developed, and maintained native Android apps using Kotlin and Java; implemented UI with Jetpack components and Material Design; optimized startup performance and memory usage; integrated third-party SDKs; ensured API integration quality; managed Google Play Store releases with versioning and rollout strategies.
iOS Developer at IQlance Solutions
February 1, 2018 - November 1, 2020Developed native iOS applications using Swift, UIKit, and SwiftUI; created reusable UI components, animations, and managed asynchronous operations; integrated RESTful APIs, third-party libraries, and system services; implemented local data storage, background tasks, deep linking, and push notification workflows; ensured App Store compliance and managed submissions and TestFlight distributions.
Senior Software Engineer at Corevia
December 1, 2022 - January 1, 2026Led development of a gaming platform supporting 50,000+ users; improved performance with 40% faster page loads and 25% longer session times. Implemented secure authentication and Stripe-based payments, built RESTful APIs and real-time dashboards. Expanded backend with Node.js and MongoDB for 100K+ monthly transactions and deployed across multi-region environments with Docker/Kubernetes, achieving high uptime.
Full Stack Developer at Block Harbor
April 1, 2020 - October 1, 2022Led cross-platform development, optimized cloud infrastructure (AWS) reducing costs by ~30%, built dashboards, and delivered 10+ features based on customer feedback; implemented scalable API layer and frontend components; supported 50K+ concurrent users.
Software Engineer at Node Crest
September 1, 2018 - December 1, 2019Implemented secure authentication and payment integration (Stripe) and contributed to a real-time voting system; improved performance, reliability, and data integrity with robust backend services.
Senior Software Engineer at Core via
December 1, 2022 - PresentLed development of a gaming platform used by 50,000+ users, reduced page load times by 40%, and increased session time by 25%. Built RESTful APIs handling over 1M transactions per month with 99.99% uptime. Integrated third-party APIs for data retrieval and payment processing, reducing manual operations by 40%. Collaborated with product teams to deliver 10+ features based on customer feedback. Deployed services with Docker and Kubernetes to achieve 99.9% uptime during peak traffic and scale to 50K+ concurrent users. Implemented secure authentication and Stripe payments, improving reliability and trust. Optimized platform performance, cutting loading times for key features by 40%.
Software Engineer at NodeCrest
April 1, 2020 - October 1, 2022Implemented secure authentication and Stripe-based payment gateway integrations, reducing failed transactions by 30% and increasing user trust. Built and scaled backend using Node.js and MongoDB to support 100k+ users and millions in transactions. Developed cross-platform mobile app with 100k+ downloads. Introduced push notifications and real-time updates, boosting user engagement by 20%. Collaborated with product teams to deliver 10+ features based on customer feedback. Deployed across 4 time zones with remote teamwork.
Full Stack Developer at Block Harbour
September 1, 2018 - December 31, 2019Optimized AWS deployment pipelines, cutting infrastructure costs by 30% and reducing deployment time from 10 minutes to 3. Led backend services for a real-time voting system with low latency, supported by scalable APIs. Built cross-platform mobile app features and dashboards for internal analytics.
Education
Bachelor Degree in Computer Science at Stanford University
January 1, 2014 - January 1, 2018Bachelor of Science in Computer Science at Stanford University
September 1, 2014 - August 1, 2018Bachelor of Science in Computer Science at Stanford University
September 1, 2014 - August 1, 2018Exchange Program at Kyoto University
January 11, 2030 - March 5, 2026Qualifications
Industry Experience
Software & Internet, Professional Services, Gaming, Financial Services, Media & Entertainment
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Hire a App Developer
We have the best app developer experts on Twine. Hire a app developer in Austin today.