Emre Kacan

Lead IOS Developer

Bulgaria4 yrs 10 mos experience

Key Highlights

Expert in building high-performance mobile and web applications.
Strong leadership in cross-functional team environments.
Proficient in TypeScript and React Native architectures.

Stackforce AI infers this person is a Senior Engineer specializing in high-performance mobile and web applications within the iGaming and Fintech sectors.

Contact

Skills

Core Skills

React NativeTypescriptReactJavascriptNext.jsGraphqlMobile Applications

Other Skills

Agile DevelopmentAgile MethodologiesAnalyticsApolloApollo GraphQLApplication Programming InterfacesBack-End Web DevelopmentCI/CDCSSCascading Style Sheets (CSS)Chakra-UICrashlyticsCross-functional Team LeadershipDetoxExpo EAS

About

Senior engineer building high-performance products with a TypeScript-first approach. I design scalable mobile (React Native) and web (React/Next.js) architectures, lead cross-functional teams, and ship reliable, well-tested features for high-traffic, real-time platforms. Focus areas: performance, accessibility, and developer experience with strong CI/CD, testing, and observability. Core: React Native, React/Next.js, TypeScript, Reanimated/Skia, Expo EAS, Zustand, TanStack/React Query, Redux/RTK, GraphQL/Apollo, REST, WebSockets, Detox, Fastlane, CI/CD, Sentry, Firebase, Node.js. #iGaming #Fintech Availability: EU citizen · Remote

Experience

4 yrs 10 mos

Total Experience

1 yr 3 mos

Average Tenure

Current Experience

Bshf

Mobile Team Lead (React Native)

Apr 2025 – Present · 1 yr 1 mo · United States · Remote

Engineered and led the delivery of high-traffic, real-time mobile applications for a global audience — featuring complex animations, rich audio, and refined user interfaces with React Native and Expo EAS.
Led the React Native team and owned the full mobile architecture (TypeScript-first) — navigation, state, error handling, CI/CD.
Delivered immersive user experiences with advanced animations (Reanimated/Skia) and rich audio integration.
Implemented WebSocket-driven live states with offline support and push notifications.
Set up Expo EAS for CI/CD and OTA updates, enabling fast, reliable releases.
Drove continuous performance improvements: faster startup, smaller bundle size, and higher crash-free stability.
Established coding standards and observability (Sentry/Crashlytics) for consistent, high-quality delivery.

Agile DevelopmentJavaScriptMobile Application DevelopmentMobile ApplicationsReact NativeReact+24

Smein

Senior Front-end Developer

Sep 2023 – Apr 2025 · 1 yr 7 mos · Malta · Remote

Worked on a high-traffic, real-time web platform serving a global audience, delivering interactive features and engaging user experiences.
Led development of secure balance and rewards systems, plus ranking/gamification features to drive engagement.
Improved UI architecture and the design system with site-wide layout/component refinements for consistency and responsiveness.
Built and refined complex, reusable React components with a focus on performance, accessibility, and clarity.
Increased reliability by adding unit tests and strengthening CI quality gates to prevent regressions.

Agile DevelopmentReactMobile Application DevelopmentReact NativeScrumJavaScript+18

Infinum

Senior Front-end Developer

Mar 2023 – Sep 2023 · 6 mos · New York, United States · Remote

Contributed to the development of a Next.js application for Messe München, one of the world’s leading trade fair organizers.
Implemented high-performance, SEO-friendly pages using Next.js with SSR and SSG.
Enhanced UX/UI with Chakra-UI and TypeScript, ensuring responsive and accessible design.
Collaborated with cross-functional teams to integrate third-party services and complex trade fair functionalities.
Wrote automated unit and integration tests with Jest and React Testing Library to ensure quality.
Improved SEO and performance optimization strategies for large-scale event pages.
Utilized tools like Jira, Bamboo, and Git for agile project management and CI/CD workflows.

Agile DevelopmentWebpackNext.jsReact Testing LibrarySWRJest+4

Rush street interactive

Senior Front-end Developer

Sep 2022 – Mar 2023 · 6 mos · Chicago, Illinois, United States · Remote

Contributed to a high-traffic, real-time consumer Progressive Web App (PWA).
Shipped new features and performance improvements to enhance responsiveness and reliability.
Resolved defects and strengthened quality with unit and end-to-end test coverage.
Integrated backend APIs (REST/GraphQL) and refined data flows to improve overall UX.

Agile DevelopmentReactSoftware DevelopmentReact Testing LibraryJestTypeScript+2

Netguru

Senior React Native Developer

Mar 2021 – Sep 2022 · 1 yr 6 mos · Poland · Remote

Worked on Gopuff, Quara Finance, and CMe mobile applications—delivering high-quality experiences with a focus on performance, usability, and consistent cross-platform UI.
Gopuff: Maintained and improved a high-traffic delivery app in React Native/Redux; optimized performance and data handling with GraphQL/Apollo; ensured stability with unit tests and CI/CD (Bitrise, App Center).
Quara Finance: Built the front-end architecture from scratch using TypeScript, Redux-Saga, and React Native; delivered pixel-perfect UI; implemented biometrics and secure data flows for a finance-grade app.
CMe: Supported the maintenance phase of a video-based recruitment app; resolved production-critical issues; stabilized video streaming features.

Agile DevelopmentMobile ApplicationsReactSoftware DevelopmentMobile Application DevelopmentReact Native+4

Cbox technology

2 roles

Project Execution Program Engineer

Promoted

May 2020 – Jan 2021 · 8 mos

Team Lead for a digital payments & investments platform.
Led a cross-functional team (dev + design) across the full app lifecycle, from discovery to release.
Aligned roadmap and specs with stakeholders to meet business goals.
Designed and maintained a scalable, modular architecture for payment and investment features.
Ensured a smooth UX by delivering performance-optimized components.
Upheld code quality via reviews, best practices, and strict TypeScript standards.

Mobile ApplicationsReactSoftware DevelopmentMobile Application DevelopmentReact NativeTechnical Planning

Team Lead (React & React Native)

Jun 2019 – May 2020 · 11 mos

Mobile ApplicationsSoftware DevelopmentMobile Application DevelopmentTechnical Planning

Betterhalf.ai - india’s most trusted ai matrimony app

Senior React & React Native Developer

Oct 2019 – May 2021 · 1 yr 7 mos · Remote

Led the UI and animation architecture of India’s first AI-powered matrimony platform.
Delivered smooth, gesture-driven experiences with advanced animations.
Implemented in-app purchases, push notifications, and biometrics with secure data flows.
Improved performance and stability using analytics, monitoring, and crash reporting.

Mobile ApplicationsSoftware DevelopmentMobile Application DevelopmentReact NativeReact.jsReact Hooks

Self employed

Senior React Native & Front-End (React) Engineer

Jan 2010 – Jul 2018 · 8 yrs 6 mos · Remote

I have been to a lot of Freelance jobs so far. I have worked on many Mobile and Web project’s architectures and UI. I usually worked in the JavaScript ecosystem in this process. My professional areas are React.Js and React-Native. I have worked in many freelance jobs such as error resolving, short-term jobs, and remote assistance.
Tech Stack: JavaScript ES6, React.JS, React Native, Redux, Animated, In-App Purchase, In-App Review, Push Notifications, Sendbird, Application Monitoring, and Error Tracking Softwares, Node.JS, Express.JS, Meteor.JS, Firebase (Real-time database, Firestore, Cloud functions, Auth, FCM, ML Kit, Crashlytics, Analytics), Google Maps API, Machine Learning, MongoDB, CSS (SASS) and more

ReactSoftware DevelopmentMobile Application DevelopmentReact NativeReact Testing Libraryreact-native-reanimated+4