Senior Full Stack JavaScript developer with 7+ years of experience building scalable web, mobile, and enterprise applications using React, Next.js, TypeScript, Node.js, and React Native. Strong background across frontend architecture, backend API development, state management, performance optimization, secure authentication, and payment systems. Experienced with REST, GraphQL, gRPC, ASP.NET Core, Firebase, Stripe, PostgreSQL, MySQL, MongoDB, AWS/Azure DevOps, Docker, and CI/CD pipelines. Focused on clean architecture, scalable systems, maintainable code, accessibility, security, and high-quality user experiences. Additional experience includes Stripe/Stripe Connect integrations, mobile release management, and Web3/Solana development.

Dariu s Gal u

Senior Full Stack JavaScript developer with 7+ years of experience building scalable web, mobile, and enterprise applications using React, Next.js, TypeScript, Node.js, and React Native. Strong background across frontend architecture, backend API development, state management, performance optimization, secure authentication, and payment systems. Experienced with REST, GraphQL, gRPC, ASP.NET Core, Firebase, Stripe, PostgreSQL, MySQL, MongoDB, AWS/Azure DevOps, Docker, and CI/CD pipelines. Focused on clean architecture, scalable systems, maintainable code, accessibility, security, and high-quality user experiences. Additional experience includes Stripe/Stripe Connect integrations, mobile release management, and Web3/Solana development.

Available to hire

Senior Full Stack JavaScript developer with 7+ years of experience building scalable web, mobile, and enterprise applications using React, Next.js, TypeScript, Node.js, and React Native. Strong background across frontend architecture, backend API development, state management, performance optimization, secure authentication, and payment systems.

Experienced with REST, GraphQL, gRPC, ASP.NET Core, Firebase, Stripe, PostgreSQL, MySQL, MongoDB, AWS/Azure DevOps, Docker, and CI/CD pipelines. Focused on clean architecture, scalable systems, maintainable code, accessibility, security, and high-quality user experiences. Additional experience includes Stripe/Stripe Connect integrations, mobile release management, and Web3/Solana development.

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Work Experience

Software Engineer at Alten Romania (Client: Ubisoft Romania)
January 1, 2025 - Present
Contributed to a large-scale authentication platform supporting multiple Ubisoft products and services. Developed secure, reusable, high-performance frontend components in React and TypeScript for critical workflows including authentication, account access, and session management. Designed maintainable frontend solutions using React Context, custom hooks, and component-based architecture. Integrated REST APIs and managed asynchronous data flows to ensure reliable communication between frontend and backend services. Collaborated closely with backend, security, product, and QA teams to deliver stable features in a high-availability environment. Investigated and resolved complex frontend defects, production issues, API integration problems, and inconsistent application behavior. Participated in code reviews, technical discussions, estimation, and continuous improvements to maintain application quality and maintainability. Applied secure development practices and performance optimization
Backend/Frontend Engineer (Front-End focused) at Alten Romania
February 1, 2023 - January 1, 2025
Built and maintained scalable production-ready applications using React, Next.js, TypeScript, and modern frontend architecture. Developed reusable components, responsive layouts, and complex user interfaces for customer-facing products and internal platforms. Integrated Stripe and Stripe Connect to support secure payment processing, connected accounts, onboarding, and transaction workflows. Worked with Firebase Authentication and Firestore along with backend services to implement secure data-driven application features. Developed Web3 functionality and Solana-based frontend components including wallet and blockchain integrations. Managed client and server state using Redux Toolkit, RTK Query, TanStack Query, and React Context. Improved application performance via code splitting, lazy loading, caching, memoization, and rendering optimization. Integrated REST APIs, third-party services, webhooks, and asynchronous business workflows. Collaborated with designers, backend engineers, produ
Software Developer (Full Stack) at Thrives SRL
August 1, 2022 - February 1, 2023
Delivered full-stack features for multiple client projects across web, mobile, enterprise, and platform-based applications. Built responsive and scalable frontend applications using React, Next.js, Vue.js, TypeScript, and JavaScript. Developed and maintained backend services using Node.js, Express.js, ASP.NET Core, and .NET Web API. Designed and integrated RESTful APIs supporting dashboards, internal tools, operational workflows, and customer-facing applications. Connected React/Next.js/Vue.js applications with Node.js and .NET backend services. Implemented authentication, authorization, business validation, data transformation, error handling, and secure API integration. Improved MegaMall website performance by ~20% through rendering optimization, frontend refactoring, and more efficient resource loading. Developed GoJoE admin dashboard to improve internal operations, data visibility, and platform usability. Contributed to a Kotlin Multiplatform application focusing on UI developmen
Mobile Web/Mobile Developer (React Native) at Thrives SRL
April 1, 2022 - August 1, 2022
Developed and maintained production mobile applications using React Native, TypeScript, Redux, and RTK Query. Built reusable mobile components, navigation flows, forms, and API-driven application features. Integrated REST APIs and optimized data fetching, caching, loading states, and error handling. Managed mobile application state using Redux Toolkit and RTK Query. Implemented and maintained CI/CD pipelines using Fastlane and Microsoft App Center. Managed Android and iOS build, testing, deployment, and production release processes. Investigated and resolved mobile performance issues, API integration defects, crashes, and platform-specific behavior. Improved code maintainability through reusable architecture, consistent coding standards, and component refactoring. Collaborated with backend, QA, product, and mobile engineering teams to deliver stable releases.
Front-End Developer at GDMWeb Media Services
February 1, 2021 - April 1, 2022
Built responsive web applications using React, Next.js, Node.js, Strapi, JavaScript, and modern CSS technologies. Delivered features for enterprise, commercial, and public-sector clients including UK Government-related projects. Contributed to McDonald’s Worldwide Convention platform by developing responsive and reusable frontend functionality. Developed features for an IKEA extension platform integrating frontend components with backend and CMS services. Built accessible user interfaces following WCAG standards and semantic HTML best practices. Created reusable UI components using Tailwind CSS, SCSS, Redux, and component-driven architecture. Integrated REST APIs and Strapi CMS content into dynamic frontend experiences. Worked with Node.js and a MySQL-backed application. Improved usability, responsiveness, browser compatibility, and application maintainability. Collaborated with designers, backend developers, and project stakeholders to convert business and design requirements int

Education

Master's Degree - Computers and Information Technology at Politehnica University of Timisoara
October 1, 2020 - January 1, 2022
Bachelor's Degree - Mathematics and Computer Science at West University of Timisoara
October 1, 2017 - January 1, 2020

Qualifications

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Industry Experience

Software & Internet, Computers & Electronics, Financial Services, Government

Experience Level

Expert
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