Сергій

Software Engineer
Serhii Kyrychenko

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Tech Lead | Senior Dev | SonyMusic (last 7 years)

Overview:
●​ Experience: 10+ years of professional development experience, with 7+
years in tech leadership roles.
●​ Technical Expertise: Angular, TypeScript, Nx.js, Redux, GraphQL, RxJS,
Webpack, and integration with backend microservices. React and Vue.js at
middle level. Figma experienced user. WebSocket for quick important
updates. Node.js, Python and Electron at junior level. Experienced with
Postman, Swagger, Linux, BASH
Responsibilities:
●​ Designed and implemented scalable application architectures using
Angular and Nx to ensure maintainability and code reusability across multiple
repositories.
●​ Led team development efforts, managing a team of senior and mid-level
developers, fostering collaboration, and promoting best practices for clean
code and agile workflows.
●​ Architected and maintained a modular monorepo structure using Nx tools
to support a large-scale internal corporate tool project.
●​ Oversaw deployment pipelines and CI/CD processes to ensure reliable and
efficient code delivery.
●​ Designed and enforced state management strategies using Redux and
integrated GraphQL APIs for optimized data interactions.
●​ Provided technical mentorship, conducted code reviews, and facilitated
knowledge-sharing sessions to enhance team proficiency.
●​ Collaborated with backend teams to integrate microservice-based
architectures into the frontend ecosystem.
Project Highlights:
●​ Led the development of a large-scale internal corporate tool designed for
enterprise use (specifics under NDA, 1000+ active users).
●​ The project included managing multiple repositories and leveraging shared
libraries for consistency across teams.
●​ Utilized Nx to streamline code organization and dependency management in
a microservices environment.
Key Achievements:
●​ Increased delivery efficiency by 20% through optimized architecture and
adoption of advanced tooling.
●​ Improved application performance by integrating GraphQL for dynamic data
fetching and minimizing unnecessary API calls.
●​ Successfully scaled the application to support 1000+ active users within the
corporate environment.
Soft Skills:
●​ Effective team leadership and mentorship.
●​ Strong problem-solving and architectural decision-making abilities.
●​ Excellent communication with stakeholders and cross-functional teams.