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Aleksei Ivshin

@alekseiivshin

Senior Software Engineer at EPAM Systems, Inc. building Next.js and NestJS MDM reporting applications with Claude Code-assisted workflows.

Serbia

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At EPAM Systems, Inc., I develop responsive Next.js interfaces and NestJS business logic for master data management reporting applications. I also write Jest test suites and use Claude Code and LLM workflows in development.

Previously, I architected React Native applications, including a multi-tenant learning platform serving 20+ vendor-specific apps, and led mobile development teams of 3–11 engineers. I’ve also delivered applications to the Apple App Store and Google Play Store and built native Android and full-stack web projects.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

EPAM Systems, Inc.

Jan 2026 - Present (9 months)

Developed responsive UI components using Next.js and implemented backend business logic with NestJS. Wrote comprehensive test suites with Jest and leveraged AI-assisted development tools to improve productivity.

Next.js NestJS Jest Claude Code LLM workflows AI assisted Development

React Native Developer

EPAM Systems, Inc.

Nov 2025 - Dec 2025 (1 month)

Enhanced subscription-based loyalty program by designing and implementing new features. Resolved critical bugs and collaborated with cross-functional teams to deliver improvements.

React Native Bug fixing Cross Functional Collaboration

Senior React Native Developer

EPAM Systems, Inc.

Oct 2024 - Jun 2025 (8 months)

Architected mobile application infrastructure and led a team of 3-5 engineers. Delivered React Native applications to Apple App Store and implemented complex features for employee platform.

TypeScript React Native Jest Azure DevOps TanStack Gluestack UI Team Leadership Code Review App Store Deployment

Mobile Development Team Leader

EPAM Systems, Inc.

Feb 2020 - Nov 2023 (3 years 9 months)

Led mobile development team of 3-11 engineers building influencer learning application. Mentored junior developers and managed end-to-end application delivery to app stores.

React Native TypeScript Jest iOS Android Team Leadership Mentorship Architecture Design

React Native Engineer & Stream Lead

EPAM Systems, Inc.

Jun 2019 - Jan 2020 (7 months)

Led stream development for employee experience application. Performed architectural refactoring and implemented UI components using React Native best practices.

React Native JavaScript Jest Realm Database MongoDB Architecture Refactoring Sprint Planning

Android Developer

EPAM Systems, Inc.

Jan 2014 - Jan 2017 (3 years)

Built native Android applications for healthcare, e-commerce, and fitness domains using Java and Kotlin. Implemented MVP architecture, RxJava, and Dagger 2.

Java Kotlin Android MVP RxJava Dagger 2 Espresso Robolectric

Full-Stack Developer

EPAM Systems, Inc.

Jan 2013 - Jan 2016 (3 years)

Built web applications using ReactJS, Redux, and JavaScript for social networking and healthcare platforms. Developed front-end build scripts using Gulp and implemented unit testing.

React Redux JavaScript Gulp Unit Testing jQuery