Igor Sergienko Email & Phone Number

Kyiv, Ua

Saudi Arabia

Achievements:- Working in a short deadlines. Consistently delivered high-quality code and features within tight timeframes, demonstrating exceptional time management and prioritization skills.- Managing the DevOps. Efficiently oversaw the entire DevOps lifecycle, ensuring smooth operations and continuous integration/continuous deployment (CI/CD) processes, which led to improved deployment times and reduced downtime.- Connecting the analytics. Successfully integrated comprehensive analytics solutions to track and analyze user behavior, leading to data-driven decision-making and enhanced product performance.Responsibilities:- As Frontend developer: - Devel Implementing core features. Developed and implemented key features of the application, ensuring a seamless user experience and maintaining high performance.- Code revirew. Conducted thorough code reviews, providing constructive feedback to maintain code quality and consistency across the team.- Layout maintaining. Ensured the layout and design of the application were consistent and visually appealing, adhering to design guidelines and best practices.- As Backend developer: - Implementing core features. Designed and developed critical backend functionalities, ensuring robust and scalable application architecture.- Working with different API. Integrated various third-party APIs, Oauth2.0 implementation to enhance security and provide secure user access control.- Code review and refactoring. Conducted detailed code reviews and refactored existing code to improve efficiency, readability, and maintainability. - As DevOps: - Render/Vercel deploy handling CI/CD, ect.

United States

Helping with technical expertise for a small Ukrainian company.Achievements:- Teamleading experience. Successfully led a team of developers, fostering a collaborative environment and ensuring timely delivery of projects.- Working with payments API. Integrated various payment APIs, enhancing the company’s payment processing capabilities and ensuring secure and efficient transactions.- Project Management. Managed multiple projects simultaneously, coordinating with team members and stakeholders to meet project goals and deadlines.- Scrum, Agile approaches in team management. Implemented Scrum and Agile methodologies to streamline workflows.- Working with international customers. Responsibilities:- Team management. Facilitated team meetings, including daily stand-ups, sprint planning, and retrospectives, to keep projects on track.- Fullstack development of multiple projects. Engaged in both frontend and backend development across various projects, ensuring seamless integration and functionality.- Code review. Conducted comprehensive code reviews to maintain code quality.- Interviewing. Participated in the hiring process by interviewing potential candidates, assessing their technical skills and cultural fit for the team.- DevOps (basic). Assisted with basic DevOps tasks, including deployment, monitoring, and maintaining CI/CD pipelines to support the development process.- Tests coverage (unit, e2e, stress). Developed and maintained unit tests, end-to-end (E2E) tests, and stress tests to ensure the reliability, functionality, and performance of applications.

Germany

Achievements: - Successful Project Deliveries: Led the development and deployment of several high-profile production applications, consistently meeting project deadlines and exceeding client expectations.- Enhanced CI/CD Processes: Improved the CI/CD pipeline, reducing deployment time by 30% and minimizing downtime during releases, which led to a more efficient and reliable deployment process.- Increased Test Coverage: Achieved a 95% test coverage across multiple projects by implementing comprehensive unit tests, end-to-end tests, and integration tests, significantly reducing the number of bugs and enhancing code reliability.Responsibilities: - Team management. Led a team of developers, coordinating tasks and ensuring effective communication among team members.- Code review. Conducted thorough code reviews to maintain high code quality and consistency, providing feedback and mentoring junior developers.- CI/CD/Docker integration. Set up and maintained continuous integration and continuous deployment (CI/CD) pipelines using Docker, ensuring smooth and efficient deployment processes.- Frontend and Backend features coverage. Developed and implemented both frontend and backend features using React, Next.js, Redux, Nest.js, MongoDB, PostgreSQL, and GraphQL.- Created and maintained unit tests to ensure the functionality and reliability of the code, using various testing frameworks and tools.- Employed SCRUM methodologies to manage project workflows, including sprint planning, daily stand-ups, and sprint reviews.

Master Of Architecture (March), Computer Science

Bachelor Of Architecture (Barch), Software Engineering