Hire the Best Kotlin Developers
in the Philippines

I'm a dedicated and detail-oriented Android Developer and Software QA Tester with a solid foundation in both mobile application development and quality assurance. I hold a Bachelor's degree in Information Technology, graduated Summa Cum Laude, and was awarded Programmer of the Year in 2024. As an Android Developer (October 2024–Present), I specialize in building robust, user-friendly mobile applications using Java and Kotlin, integrated with Firebase and geolocation technologies. Previously, I worked as a Software Quality Assurance Tester (September–October 2024), where I focused on ensuring product quality through manual testing and Agile methodologies. Key Skills: Android Development (Java, Kotlin, Firebase, MVVM Architecture, Restful API, Room Database, Hilt, Dependency Injection) Manual QA Testing, Bug Tracking, Agile, Test Cases Front-End: HTML, CSS, JavaScript, ReactJS Back-End: PHP, Node.js, Express, Laravel Tools: Git, Figma, Adobe XD, BitBucket Strong communication, teamwork, and fast learning

Hello! I’m Senior developer with over 10 years of professional experience building enterprise-grade applications, RESTful microservices, and cloud-native solutions. I have successfully delivered projects for clients across Europe, the UK, Australia, India, South Africa, and the USA. ✅ Languages: Java (8–25), Kotlin, Groovy, Python, Node.js, TypeScript ✅ Back-End: Spring Boot, Spring Cloud, Spring Security, Micronaut, Camel, Express.js, NestJs ✅ Front-End: Angular, Vue.js, Nuxt, HTMX, Tailwind CSS, Bootstrap ✅ Databases: PostgreSQL, MySQL, Oracle, MongoDB, Redis, DynamoDB ✅ Cloud & DevOps: AWS, CDK, Cloudformation, ECS, API Gateway, Lambda, Cognito, DynamoDB, Azure, Docker, Kubernetes, Terraform, Jenkins, GitHub Actions, Cloudflare ✅ Architecture: Clean Architecture, Hexagonal, Domain-Driven Design DDD, Microservices, Monolith ✅ Messaging: Kafka, RabbitMQ, ActiveMQ, Artemis ✅ Monitoring: Grafana, Kibana, Datadog ✅ APIs: REST, SOAP, gRPC, GraphQL, Websocket, SSE, tPRC ✅ Build & Tooling: Maven, Gradle, Flyway, Liquibase ✅ Other: Jhipster, Gen Ai, Agentic Ai, Hermes Agent, SDD, TMUX ✅ Opensource contribution to popular opensource projects like FlowiseAi, AWS PDK, Mongock, Jhipster lite and Jhipster Main generator. You can confidently entrust me with your project and you will not be let down by our collaboration. I assure you of my strong sense of responsibility and the high standard of the work I deliver, which you can rely on once I become part of your team.

I am a high agency developer, and have a CS degree. I'm always hungry to learn and grow. Here’s some of my work: Folderly (Co-Founder): $20K MRR, Took a school project to #1 in Productivity on the App Store. 1M+ downloads, 4.9-star average. Creatorly: Built the backend of an AI influencer management, tracking, and automations, and outreach platform, the system behind Folderly’s marketing success. PushTraining (Mobile Engineer) : $30K MRR, Worked part-time with the founder (former Google, Airbnb) to build the #1 treadmill running app fully dedicated to interval runs. FishVerify (Lead Mobile Developer): $40K MRR. The first fish app in the world before AI. Uses machine learning, tensor flow, AR Kit and now transitioning to the AI world. Winning Record: Won Apple’s Swift Student Challenge (2023) 4× consecutive national hackathon winner I won Apple’s Swift Student Challenge in 2023 without AI tools. Now I’m an AI-native developer, I use Claude Code (MCP, Claude Skills, commands, claude.md) to move faster and build better systems. Best, Lizter Angelo M. Abrau

Senior & Full-Stack Developer specializing in iOS (Swift/SwiftUI/UIKit), Android (Java/Kotlin), React Native, and AI Integrations - 13 years building scalable apps from MVP to production. I help startups and businesses ship faster by combining deep mobile expertise with the latest in AI integration and automation. Whether you need an AI-powered mobile app, a chatbot embedded into your product, or a full-stack platform built with modern tooling - I've got it covered. Why clients hire me, I value these: - Honesty - Integrity - Result - Customer Experience QUALITY OF WORK Consistently maintains a 99%+ crash-free rate across all production applications, ensuring high reliability and a seamless user experience. Mobile Development iOS (Swift, SwiftUI, UIKit), Android (Java/Kotlin), React Native, TypeScript, JavaScript AI Integration & Automation OpenAI, Claude, Gemini, DeepSeek, Ollama — API integrations, AI chatbot development, LLM-powered features, prompt engineering, vibe coding workflows Full-Stack & Backend Node.js, Express, Laravel, REST APIs, GraphQL, MongoDB, PostgreSQL, MySQL Cloud & DevOps AWS, Firebase, GCP, Azure, Supabase, CI/CD, automated builds & deployment Architecture Clean Architecture, MVVM, SOLID, Dependency Injection, Redux Toolkit, Zustand, React Query ✔ Production-ready, maintainable code ✔ Fast communication and reliable delivery ✔ AI-accelerated development — more output, same quality bar ✔ Secure integrations: payments, push notifications, deep links, and more ✔ Long-term scalable solutions built to grow with your business Let's build something great - message me to get started.

• Full-Stack Web Developer/Progammer with a passion for learning anything about technology. • Currently an Support Engineer in AI Company Tofu Limited. • Fluent in English and Tagalog and available for work on an as-needed basis. • Wide range of technical skills including JavaScript, CI/CD, Vue.js, React, Git, Database, Kotlin, PHP, Python, Spring Boot, Django and Java. • Earned several certifications including MTA: Database Fundamentals, Microsoft Certified: Azure Fundamentals and Scrum Foundation Professional Certificate. • Open to contract-to-hire opportunities and dedicated to delivering high-quality work to clients. • Experienced in researching and identifying solutions to software and hardware issues, diagnosing and resolving problems, and performing root cause analysis. • Skilled in enhancing user experience by migrating user interface. • Proficient in improving functional use of Java Spring Boot application by creating new API Endpoints. • Capable of optimizing stability of web application by creating Unit Tests.

With a solid background as a mobile applications developer for over 9 years, I bring extensive experience to the table. I approach challenges and complexities with enthusiasm, always striving to contribute to the success of the team. My work ethic, keen attention to detail, and strong organizational skills are assets I bring to any project. My portfolio: happypoohpy.github.io/digital-cv/ Developed products for: ✔SaaS apps ✔Courier apps ✔Taxi apps ✔Bluetooth apps ✔Image editing apps ✔Video apps ✔Wordpress sites Skills: ✔Swift ✔Objective-C ✔SwiftUI ✔RxSwift ✔Realm ✔Java(Android) ✔Kotlin ✔Flutter ✔Reactive programming ✔Unit testing ✔Wordpress ✔Integrating any 3rd party libraries and SDKs Tools: ✔XCode ✔Android Studio ✔Wordpress ✔Bitrise ✔Jira ✔Azure DevOps ✔Git ✔Fastlane ✔Jenkins