Frontend/Fullstack-developer
Sfera IT
Doświadczenie w pracy:
WORK EXPERIENCE
Fullstack Developer | AGIT-Plus LLC
December 2024 - Present | 1 year 7 months
- Developed a hotel management CRM system using React and TypeScript with property layout builders and a guest-facing interface, serving 10+ hotels
- Built a SaaS task manager with Kanban boards using React and Redux Toolkit, implementing a unique consolidated project mechanism: users create an aggregating project, add columns to it, and pull in tasks from other projects' columns in real time — similar to cross-project views in Jira and Asana
- Implemented full unit and E2E test coverage using Jest and Playwright, raising the code quality score to 95% and reducing production bugs by 68%
- Integrated Yandex Business, Yandex Weather, and 1C:Hotel within a 3-month sprint, onboarding 30+ partners to the online booking system
- Set up Docker and GitLab CI/CD pipelines, cutting deployment time from 40 minutes to 8 minutes and automating staging deployments
- Conducted code reviews for a team consisting of a backend developer and a designer, established React coding standards, and reduced technical debt by 23%
- Led the migration of a legacy wholesale trading platform to a modern stack (React, TypeScript, FastAPI), removing 60+ deprecated dependencies and improving performance by 72%
Frontend Developer | AGIT-Plus LLC
July 2023 - November 2023 | 5 months
- Designed the architecture and built a B2B wholesale trading platform from scratch using React, TypeScript, and Redux Toolkit for 100+ wholesale merchants
- Optimized search algorithms and server queries, reducing API response time from 3.2 seconds to 0.8 seconds and decreasing server load by 45%
- Optimized image loading through lazy loading and compression, speeding up page load from 60 seconds to 5 seconds (95% improvement)
Frontend Developer (Freelance)
February 2023 - July 2023 | 6 months
- Contributed to the development and maintenance of 3 commercial projects: a global company registry, a beat marketplace, and a CS:GO skin trading platform
- Studied component architecture design principles: participated in project structure discussions and applied the resulting decisions in practice
- Acquired foundational Docker skills: independently set up dev environments following project documentation
- Built new UI components, fixed bugs, and contributed to code optimization under the guidance of a senior developer
Frontend Developer (Intern) | SiberiaTechnoSystem LLC
June 2022 - August 2022 | 3 months
- Contributed to the client-side development of a transportation services platform as part of a team led by a senior developer
- Built interface components from ready-made designs using HTML, CSS, and JavaScript, learning corporate code standards
- Implemented a user certificate and diploma upload interface based on technical specifications
- Studied Yandex Maps integration for route building, implementing basic map point display functionality
Edukacja:
Bachelor's Degree, Information Technology | Siberian State Industrial University (SibGIU)
2020 - 2023
Specialist Degree, Information Systems | Kuzbass College of Architecture, Construction and Digital Technologies
2023 - Present
Umiejętności zawodowe i inne:
React, TypeScript, JavaScript, Redux Toolkit, HTML5, CSS3, SCSS, Jest, Playwright, React Testing Library, Unit Testing, E2E Testing, Git, Git Flow, GitLab CI/CD, Node.js, NestJS, FastAPI, Docker, PostgreSQL, MySQL, REST API, 1C integration, Yandex API, code review, performance optimization