Available to hire
Hi, I’m Marian Panait, a Senior Flutter Developer with over a decade of software engineering experience. I specialize in building scalable, cross-platform apps for iGaming and FinTech, delivering robust architectures and real-time features for large user bases on iOS and Android.
I excel in state management (Riverpod, BLoC, Provider), real-time WebSocket systems, Firebase ecosystem, and native platform integrations. I’m comfortable with AI-assisted workflows and maintain rigorous code reviews to keep production stable.
Experience Level
Expert
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Language
Romanian, Moldavian, Moldovan
Fluent
English
Advanced
Work Experience
Senior Flutter Developer at Newton
May 1, 2024 - PresentArchitected and developed multiple online gambling and sports betting apps using Flutter/Dart with Riverpod state management. Implemented Clean Architecture for modular, scalable code and high-traffic support. Built authentication with 2FA, JWT token refresh, session handling, and secure credential storage. Implemented real-time betting with WebSockets for live odds updates and state synchronization. Developed shop transfers with wallet balance validation and transaction history. Integrated QR code scanning for KYC using DRUID AI. Resolved iOS-specific WebView issues and 17+ compatibility. Implemented Firebase Authentication, Firestore, Cloud Messaging, Analytics, and Crashlytics. Optimized performance to maintain 60fps gameplay under heavy load.
Flutter Developer at Pentalog
July 1, 2022 - May 1, 2024Developed modular, scalable cross-platform apps using Flutter with BLoC/Provider and Clean Architecture. Integrated native iOS/Android SDKs via platform channels for advanced security features. Implemented Firebase Authentication, Firestore, Cloud Messaging, and Analytics. Built Flutter Web dashboards with responsive design for enterprise security. Created robust Mockito-based tests to improve code quality. Established TeamCity-based CI/CD pipelines automating builds and distribution via Firebase App Distribution. Identified bottlenecks, optimized rendering and caching, and implemented secure data handling including encryption at rest and in transit and certificate pinning.
Flutter Developer at Liquid Avatar Technologies
March 1, 2020 - July 1, 2022Architected mobile app framework from scratch using Flutter with BLoC/Provider; designed offline-first architecture with Hive and SharedPreferences. Implemented biometric authentication and secure encrypted storage using platform keychains. Integrated native SDKs in Swift and Kotlin via platform channels. Leveraged IBM Cloud and Firebase for Authentication, Firestore, Cloud Storage, and Analytics. Delivered consistent cross-platform UI/UX across iOS and Android. Optimized performance for various devices and maintained stability above 99.5% with Crashlytics.
Senior Software Engineer at Luxoft
September 1, 2018 - March 1, 2020Developed automation testing framework for RESTful APIs using Java and TestNG; built Data Vault subsetting framework for efficient test data management; designed Oracle ETL stored procedures for data transformation and migration. Created and maintained REST APIs for a dashboard application using TypeScript and GraphQL. Led Oracle database deployment for QA with automated provisioning. Implemented CI/CD pipelines using TeamCity and Google Cloud Platform.
QA Automation Engineer at Ezugi
March 1, 2018 - September 1, 2018Developed automation framework using Java, TestNG, and Selenium WebDriver for casino applications. Automated API testing using RestAssured validating backend functionality. Integrated Jenkins enabling parallel execution on BrowserStack across multiple browsers and devices. Generated detailed test reports providing stakeholders with clear insights into test coverage.
QA Automation Engineer at Sparktech Software LLC
April 1, 2015 - March 1, 2018Developed automation frameworks for Ruby on Rails applications across FinTech and social media domains. Automated mobile testing using Calabash and Appium for iOS and Android apps. Integrated test suites with CI tools (Jenkins/TeamCity) for automated testing on every commit. Provided training and knowledge transfer to QA teams on automation tools and best practices. Designed Ruby and Bash scripts automating repetitive testing tasks.
Mobile App Architect at Liquid Avatar Technologies
March 1, 2020 - July 1, 2022Architected mobile app framework from scratch for a blockchain-secured digital ID wallet (Flutter + BLoC/Provider), delivered to production in 4 months and scaled to tens of thousands of users. Implemented biometric authentication and encrypted keychain storage with zero findings in security audits. Built offline-first architecture using Hive and SharedPreferences, reducing user-reported errors in low-signal environments. Maintained 99.5%+ crash-free rating over 2 years with Firebase Crashlytics. Integrated IBM Cloud services and Firebase for a consistent cross-platform experience on iOS and Android.
Senior QA Automation Engineer at Luxoft – DXC Technology
September 1, 2018 - March 1, 2020Built and maintained API automation frameworks for RESTful services in a large-scale banking data platform, covering functional, regression, and acceptance tests. Implemented UI automation for a major financial reporting app using Cypress (TypeScript) and Selenium, with tests integrated into TeamCity for continuous execution. Developed BDD test suites with Cucumber and Gherkin in collaboration with business analysts. Created data tools (datamart reconciliation, Data Vault subsetting) to automate cross-environment data validation and accelerate QA cycles. Defined and enforced QA standards across the team to improve release quality.
QA Automation Engineer at Sparktech Software
April 1, 2015 - March 1, 2018Developed and maintained automation frameworks for Ruby on Rails applications across three product lines. Automated mobile tests for iOS and Android using Calabash and Appium, catching mobile regressions on release. Integrated test suites with Jenkins and TeamCity for continuous testing. Delivered automation training to the QA team, expanding automated coverage significantly.
Education
B.S. in Computer Science and Engineering at Politehnica University of Bucharest
January 1, 2012 - January 1, 2016Java Programming Course at Telecom Academy
January 1, 2013 - January 1, 2014B.S. in Computer Science and Engineering at Politehnica University of Bucharest
January 1, 2012 - January 1, 2016Java Programming Course at Telecom Academy
January 1, 2013 - January 1, 2014Qualifications
Java Programming Course
January 1, 2013 - January 1, 2014Industry Experience
Gaming, Financial Services, Software & Internet, Professional Services, Transportation & Logistics
Experience Level
Expert
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