Hire Vetted Mobile Application Engineers at Upstaff

• 11+ years in native iOS (Swift), Android (Kotlin), and cross-platform (.NET MAUI, Xamarin) mobile development.
• Expert in platform migration (Xamarin to .NET MAUI, PCL to .NET Standard) and performance optimization.
• Proficient in MVVM architecture, RESTful APIs, custom controls, and AI-assisted development tools.
• Collaborated with international teams, notably German engineering teams at Miele and IBM Romania
• Engineering diploma in Electrical Engineering, skilled in C#, C++, .NET technologies, and DevOps tools like Git and Azure DevOps.

• Technical Team Lead with 16+ years in .NET, MAUI, Xamarin, React, and VueJs, leading mobile and web projects.
• 20 mobile apps in production.
• .NET MAUI since 2022 (NET 6). Published a book about .NET MAUI.
• Expertise in CI/CD, ASP.NET Web API, MVVM, N-tier architecture, and cross-platform mobile development.
• Strong background in software engineering principles and best practices, driving high-quality code and team productivity.
• Fluent in Romanian, English, and Italian, with experience in international project collaboration.

• Senior JavaScript Engineer with 8+ years of experience; MS in Computer Science and Software Engineering.
• Node.js, TypeScript, PostgreSQL, and AWS; High-load projects with JS/TypeScript, Java, QT, and C++.
• AWS serverless, Lambda functions (migration architectures, reduced infrastructure costs by 40%, microservices that handle 10K+ concurrent requests with latency less than 200ms); Experience migrating monolithic systems to serverless and microservice architectures, optimizing performance and reducing infrastructure costs (~40%);
• Skilled in SDLC practices, including Agile/Scrum, CI/CD pipelines with GitHub Actions and Docker, and pre-test development using Jest and Playwright;

• Senior Angular developer with 8+ years leading migrations from Angular 8 to 20, specializing in Standalone APIs, Signals, RxJS, and NgRx for scalable, high-performance applications.
• Proven track record in cross-platform Ionic apps, integrating Auth0, Google Maps, and Capacitor plugins to enhance native mobile experiences.
• Skilled in performance optimization techniques including OnPush change detection, lazy loading, SSR, and esbuild builds, improving load times by up to 50%.
• Computer Science graduate with strong engineering background, mentoring experience, and proficiency in TypeScript, Angular CDK, Storybook, Jest, and Cypress.

• Full-Stack Engineer with expertise in React/Next.js, Node.js, Flutter, and PostgreSQL, delivering scalable web and mobile solutions.
• Proficient in AI integrations using OpenAI API, Stripe, MS Graph, and Telegram API, enhancing automation and user engagement.
• Led cross-functional teams and managed end-to-end project delivery, including real-time chat features and multi-tenant SaaS platforms.
• Strong background in software engineering with a Bachelor’s degree and hands-on experience in RESTful APIs, state management (BLoC, Redux Toolkit), and CI/CD pipelines.
• Recognized for technical excellence with Employee of the Year award and successful deployment of complex systems in production environments.

Developed scalable Node.js/TypeScript backend applications and REST APIs for production environments.

Built modular NestJS services and microservice architectures to support growing application workloads.

Optimized database queries, API performance, and backend processes to improve reliability and response times.

Integrated third-party APIs, authentication systems, caching, and automated deployment workflows.

Improved code maintainability through clean architecture, reusable components, testing, and strong TypeScript practices.

• Senior Software Engineer with 10+ years in cross-platform mobile development (.NET MAUI, Xamarin, Flutter), C#, and .NET.
• Led migration of legacy Xamarin apps to .NET MAUI and Flutter, modernizing enterprise mobile solutions.
• Designed reusable mobile architectures, integrated REST APIs, Azure AD, Microsoft Intune MDM, and native iOS libraries.
• Implemented CI/CD pipelines with Azure DevOps and GitHub Actions, enhancing automation and deployment workflows.

• Senior Software Engineer & Associate Technical Lead with 9+ years in Flutter/Dart, leading scalable mobile/web apps for 18,000+ users.
• Expert in Clean Architecture, CI/CD (GitHub Actions, Codemagic), Agile methodologies, and cross-functional team leadership.
• Proven track record in modernizing legacy systems, mentoring engineers, and integrating RESTful APIs and Google Maps API.
• Author of flutter_date_kit package, enhancing date/time utilities for Flutter developers.
• Strong background in cross-platform development (iOS, Android, Web) using Flutter, React Native, and Xamarin, with experience in testing, DevOps, and performance optimization.

EDUCATION & CERTIFICATIONS

• Matric certificate (high school)
• TEFL Level 5 Certified
• First aid certification
• CPR certification

• Lead Software Engineer with 10+ years in cross-platform enterprise app development using .NET MAUI, Xamarin, and Blazor.
• Expertise in C# (.NET 6/7/8), XAML, React Native, Azure, Firebase, and microservices architecture.
• Proven impact: 35% latency reduction in mobile workforce apps and 40% stability improvement via Firebase Crashlytics integration.
• Skilled in CI/CD pipelines, automated testing (Katalon), and cloud deployments on AWS and Azure.
• Strong background in offline-first mobile solutions, AI agent workflows, and multi-platform app lifecycle management.

I'm a Senior Software Developer with 13+ years of experience building scalable web applications for international remote teams. My primary stack includes React, Node.js, Python, PostgreSQL, and cloud platforms such as Google Cloud and AWS. Recently, I've been developing AI-powered web applications and automation workflows while collaborating with distributed teams across the US, Singapore, and Europe. I enjoy creating clean, maintainable solutions, continuously learning new technologies, and contributing to products that deliver real business value.

• Technical Team Lead with experience in designing and delivering scalable mobile applications using Kotlin, Java, Flutter, React Native, and Kotlin Multiplatform (KMP).
• Proficient in Android development with expertise in MVVM, MVI, Clean Architecture, and backend API development using Node.js and Ktor.
• Skilled in integrating complex features such as payments, location services, and real-time communication (WebSockets, WebRTC, Agora) across diverse domains
• Experienced in mentoring teams, managing client expectations, and delivering production-ready applications with high code quality and performance optimization.

Main Achievements:

• Built scalable full-stack web applications using modern frameworks and DevOps practices for seamless deployment.
• Developed cross-platform mobile apps with React Native, delivering high-performance user experiences.
• Automated CI/CD pipelines to improve deployment efficiency and reduce manual errors.
• Created responsive front-end solutions that enhance user engagement and site performance.
• Earned certifications in React and DevOps to stay updated with industry best practices.

• Software engineer with 4+ years in cross-platform mobile and front-end development, specializing in React, React Native, and Flutter.
• Proficient in state management (Redux Toolkit, BLoC, Redux Saga), API integration, CI/CD pipelines, and performance optimization.
• Experienced in Agile methodologies, leading teams, mentoring developers, and delivering scalable applications for Android and iOS.
• Developed complex apps featuring real-time communication (Socket.IO), multi-authentication, payment integration (Stripe), and cloud services (Firebase, AWS Amplify).
• Strong background in computer science engineering , applying clean architecture and modular design patterns in production projects.

Senior Front-End Developer (React Native mobile / React web) with 10+ years of experience. Skilled at JavaScript, TypeScript, and React. I’ve worked on various projects and have extensive expertise. I have experience developing projects from scratch through to market release.

• Proficient in full-stack development with expertise in TypeScript, React, Rust, Swift, and backend technologies including Prisma, PostgreSQL, and Bun, demonstrated through building scalable CMS, native macOS apps, and terminal tools.
• Skilled in asynchronous programming, Rust backend refactoring, and cross-platform development using Tauri and React Native, enhancing startup latency and memory usage.
• Hands-on with CI/CD pipelines, AWS deployment, and monitoring to maintain 99.9% uptime, alongside advanced automation integrating AppleScript and AI-driven transaction parsing.

• 10+ years of experience delivering scalable SaaS platforms and cloud-native systems using React, TypeScript, Python (FastAPI, Django), Node.js, and AWS.
• Proven expertise in legacy system modernization, reducing API response times from 3s to under 1.8s by migrating C#/.NET services to modern microservices.
• Strong in system design, distributed systems, event-driven architectures with Kafka, Celery, Redis, and performance optimization.
• Skilled in full SDLC ownership, CI/CD pipelines, containerization (Docker, Kubernetes), and infrastructure as code for reliable cloud deployments.

• Senior React Native engineer with 9+ years in mobile and web development, including 6+ years with React Native in production.
• Delivered cross-platform applications across healthcare, fintech, real estate, and logistics domains, including patient-facing clinical trial apps (HIPAA-compliant).
• Experience includes real-time features using WebRTC, offline-first data handling, and performance optimisation for mobile apps.
• Worked with React, Next.js, GraphQL, and AWS; contributed to mobile architecture and led frontend teams.

• Senior React Native engineer with 7+ years building mobile apps with React Native (Expo, CLI) and React, focusing on scalable app architecture and feature delivery.
• Experience with video features in social and communication apps (live streams, video calls, feed-based consumption), including HLS playback, buffering, and performance tuning on mobile.
• Worked on mobile-first video UX: smooth playback, fast loading, adaptive bitrate, and seamless navigation between video items.
• Hands-on with monetization, analytics, and integrations (Firebase, GraphQL), plus mentoring and collaboration across product and backend teams.

• 6+ years with Front-end/Mobile: cross-platform applications, React Native, React.
• IoT & hardware: BLE and Wi-Fi device pairing (Soft-AP, Protobuf), custom native bridges (iOS/Android) for hardware communication - Ninja Pro Connect app with 100K+ downloads
• Short-form video: TikTok-style educational app with HLS playback (Expo Video), player pooling, lazy loading of video batches, and quality fallback for low-end devices
• Production tooling: push notifications (Firebase + Notifee, Android foreground/keep-alive services), analytics/session replay (Mixpanel, LogRocket, Sentry, Bugsnag), CI pipelines, ESLint + pre-commit quality gates.
• Familiar with New Architecture (Fabric, TurboModules, JSI, Hermes)

• Senior React Native Developer with 16 years in software development, specializing in cross-platform mobile applications for iOS and Android using React Native and Expo.
• Proficient in JavaScript, TypeScript, Node.js, and backend technologies including Express.js, MongoDB, and MySQL, with extensive experience in API design and integration.
• Expertise in AI-assisted development tools (Claude Code, Cursor, GitHub Copilot) to accelerate delivery and improve code quality.
• Skilled in modern CI/CD pipelines (GitLab, GitHub Actions, Fastlane, Azure DevOps) and testing frameworks (Jest, Detox) ensuring robust, maintainable software.

• Software engineer with 10+ years in full-stack JavaScript, specializing in scalable web, hybrid mobile, and cross-platform desktop applications using React, Next.js, Node.js, and TypeScript.
• Proven track record in designing microservices, REST/gRPC APIs, and cloud infrastructure automation with AWS, Docker, Kubernetes, and Terraform.
• Led development of enterprise-grade platforms including e-commerce, telecom microservices, and aviation weather systems, emphasizing modularity, security, and performance.
• B.Tech in Computer Science with strong open-source contributions to Ionic and Capacitor ecosystems, demonstrating commitment to community and innovation.

• Proficient in full-stack development with expertise in Flutter, .NET, Solidity, and blockchain technologies, delivering robust and scalable solutions.
• Demonstrated leadership in managing projects and teams, including roles as Project Development Manager and Senior Developer.
• Experienced in SDLC best practices, software architecture, and cross-platform development, with a strong focus on Web3 and blockchain integration.
• Proven track record in freelance and corporate environments, contributing to diverse projects across Brazil and Canada.

• Over 4 years of full stack development experience specializing in React, React Native, TypeScript, and Python (FastAPI) with strong expertise in system architecture, database management (PostgreSQL, MongoDB, Firebase), and Docker deployment.

• Senior Frontend Engineer with 5+ years of experience specializing in React JS, React Native, and Expo.
• Expert in architecting scalable monorepos using Rspack and Module Federation, and implementing cross-platform solutions with Tamagui design system to accelerate feature delivery.
• Proficient in integrating complex payment systems (crypto and traditional), KYC/AML flows, real-time multilingual chat via WebSockets, and push notifications with Novu.

• iOS Developer with 2+ years of experience delivering high-performance VPN and utility apps, proficient in Swift, Objective-C, and modern concurrency (async/await).
• Skilled in multiple architectures and design patterns including MVVM, MVC, VIPER, TCA, and Coordinator.
• Expertise in full mobile development lifecycle from UI implementation based on Figma designs to App Store deployment, with strong integration experience (Adapty, Amplitude, AppsFlyer, Firebase).

• Senior Full Stack Engineer with 5+ years of experience developing web and mobile applications;
• Implemented APIs and microservices with Node.js, Nest.js, PostgreSQL, including caching, queue management, and AWS infrastructure (Proxet, NovaPay, and Web3 Startup);
• Built interfaces and component libraries using React, Vue, React Native, Next.js, TypeScript, and JavaScript (Proxet (SSR web platform), NovaPay (mobile app), and Web3 Dashboard);
• Experienced in fintech, Web3, and enterprise platforms, delivering production features, maintaining existing systems, and working in Agile teams.

Palm Infotech is a leading Software and App Development Company offering tailor-made mobile and web solutions for startups, SMEs, and enterprises. We specialize in Android, iOS, NodeJS, React Js, Fluter and cross-platform apps with ERP integration, and are known for building high-performance products like fantasy sports apps, astrology-based platforms, food and grocery delivery apps, taxi booking systems, clinic management tools, and other on-demand applications. From MVP implementation to robust order management systems, our team focuses on scalable, intuitive, and AI-powered apps that align with business goals. With expertise in UI/UX, backend architecture, and third-party integration, we deliver end-to-end development along with ongoing maintenance and post-launch support. Palm Infotech is trusted for its timely delivery, responsive communication, and quality-driven development across industries.