Hasnain Ali
Senior Frontend Engineer @sonnen GmbH
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WORK HISTORY
Senior Frontend Engineer @sonnen GmbH
Berlin, DE
Senior Frontend Engineer working on a large-scale React Native application used in the energy domain- Owned frontend architecture, performance optimization, and long-term scalability- Built reusable UI components and data visualization dashboards (charts & graphs)- Implemented CI/CD pipelines and automated mobile releases using Fastlane- Improved code quality and reliability through automated testing with Jest- Integrated GraphQL for efficient data fetching and predictable state management- Led localization and internationalization for multilingual applications- Collaborated closely with product, design, and backend teams
EDUCATION
City University of Science and Information Technology
Bachelor's degree, Computer Software Engineering
ABOUT HASNAIN ALI
With 7+ years of engineering experience, I specialize in building scalable, high-performance mobile & web applications using React, React Native and TypeScript. My focus isn\'t just on writing code, it\'s on owning the full product lifecycle, from initial technical design to production deployment.I thrive in environments that value clean architecture and engineering excellence. I bridge the gap between product requirements and technical execution to deliver user-centric solutions- Core Competencies:Mobile Architecture: delivering cross-platform apps with a \"TypeScript-first\" approach, ensuring type safety and long-term maintainability.Performance Optimization: Deep experience in profiling mobile apps to reduce load times and ensure smooth UI interactions.DevOps & Automation: Building robust CI/CD pipelines and automating release management using Fastlane.Engineering Leadership: Mentoring teammates, conducting code reviews, and fostering a strong culture of testing and observability- Technical Stack:Core: React Native, React.js, TypeScript, ExpoState & Data: Redux, GraphQL, Apollo Client, RESTTesting & Ops: Jest, Detox, CI/CD, GitI am motivated by teams that value ownership and continuous improvement, and I enjoy working on products that make a meaningful difference for users.
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