Tatsiana Helakhava

Experienced Software Engineer, Resource Manager at EPAM, and Mentor with expertise in frontend, backend, and cloud technologies. Specializing in React, Redux, Node.js, and AWS, with a strong focus on architecture, performance optimization, and scalability.

Currently a key backend developer for an AWS-based Loyalty App, working with Node.js, NestJS, and AWS services. Designed and implemented critical backend features, large-scale data migrations (3.6M+ records), and performance optimizations while ensuring seamless integration with external systems.

Previously led the Player & Chromecast stream in a Media Streaming & Video Playback project, contributing to video playback optimizations, DRM integrations, and other high-impact video delivery features. Played a key role in developing Player & Chromecast functionality, debugging performance issues, and collaborating with external teams (IAB, Conviva, Google, Microsoft). Worked extensively with React-Redux, building complex and high-performance UI solutions. Contributed to app development with Flutter/Dart, implementing the BLoC architecture pattern, and developing web-native plugins between Flutter and native layers using TypeScript and JavaScript.

A collaborative team leader with experience guiding teams, improving processes, and driving technical excellence. Led a team of 10 engineers, ensuring smooth delivery, risk management, and continuous improvement. Focused on mentorship and career development, providing structured onboarding, regular 1:1s, and performance tracking to support engineers' growth. Worked closely with BA, SA, and external teams to align tech solutions with business needs. Passionate about fostering a strong engineering culture, leading technical discussions, retrospectives, and training initiatives to enhance team collaboration and efficiency.

Beyond project work, I am actively involved in mentorship, training, and resource management at EPAM. Additionally, contribute to hiring and assessment processes as a Technical Interviewer and D3 Assessment Expert and Head.