Денис

DENYS SAPONKO
SOFTWARE ENGINEER MYKOLAYIV, UKRAINE [open contact info](look above in the "contact info" section)

DETAILS PROFILE
Mykolayiv Experienced software developer with more than 3 years of experience. Responsible,
Ukraine hard-working, attentive to details, quick learner, communicative. Love working in a team.
[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section) EMPLOYMENT HISTORY
Date of birth Node.js software engineer at dSTAR Lab Ltd, Mykolayiv
23.07.1998 June 2019 — August 2021
The project was developed as a custom secure network solution for doing business.
LINKS The project consisted of many services, which together formed a large system.
LinkedIn My responsibilities:

• Development of architecture for new services.
LANGUAGES
• Development and maintenance of services.
English - B1+ • Development of a back-end for a key SAS service to maintain the project control
panel.
Ukrainian - Native
• Constant communication with other team members.
Russian - Native • Managing a team of 3 javascript developers: сode refactoring, assistance with tasks,
architecture construction.
• Constant work with the devops team.
HOBBIES • Participation with the team lead and the client regarding further tasks.
Spending time with family and • Optimization of SAS team working process.
friends. • Preparation of project documentation.
Computer games. • Communicating with other platforms for feature solution creation.
Sport: gym, swimming.
Watching films.
Middle Software engineer at SoftServe, Mykolayiv
September 2021 — September 2022
-- The project is located in Canada. The goal of the project is to collect data on mining
operations.

My responsibilities:

• Designing and developing of different features.
• Maintaining existing services.
• Managing a 2 javascript developers: сode refactoring, assistance with tasks.
• Communicating with other platforms for feature solution creation.
• Reviewing and discussing project requirements.
• Bug fixing, development of failure tolerant application.
• Unit tests writing.
• Writing Project documentation.

-- A project for tracking cars by license plate number and checking for theft, which would
help in the search for stolen cars.

My responsibilities:

• Code updating.
• Rewriting code using new technologies. Changing the framework.
• Bug fixing, code refactoring.
• Unit tests writing.
EDUCATION
Bachelor, Petro Mohila Black Sea National University, Mykolayiv
September 2016 — June 2020

Master, Petro Mohila Black Sea National University, Mykolayiv
September 2020 — April 2022

GENERAL APPLICATION DEVELOPMENT SKILLS
• Deep understanding of OOP principles.
• Deep understanding of MVP, MVC, MVVM, Micro-services and Clean Architecture.
High experience in applying and maintaining Clean Architecture in a project.
• Understanding of SOLID principles, following these principles in a practice.
• Knowledge of common OOP patterns, reasonable approach in their application.
• High experience in designing REST API / WebSocket based applications.
• High experience in working with Git.
• Experience with frameworks (Express, Nest.js, Loopback)
• Understanding of basic secure principles of client-server application.
• Understanding and experience working with Docker containers.
• Experience with AWS/AWS S3.
• Basic knowledge of GraphQL.
• Closed experience of working with (Postgress, Mongodb, SQL) databases.
• Front-end development experience (Angular, Vue.js).