2025 ? Present: Responsible for creating and optimizing scripts

Role: Database Developer

Customer: M.E.Doc LINKOS GROUP ? Remote

Tasks:

• Responsible for creating and optimizing scripts for Oracle, PostgreSQL, and Firebird databases.
• Ensured smooth operation of the market-leading Ukrainian ecosystem for e-reporting and digital document exchange.
• Agile collaboration in a remote environment utilizing Jira and version control with GitLab.

2023 ? 2025: Integrated data interfaces

Role: PL/SQL Developer (IKIS Platform)

Customer: Medirent ? Kyiv / Remote

Tasks:

• Developed logic for calculating and paying pensions and social benefits on the IKIS platform.
• Integrated data interfaces (including via the Trembita system) with other state institutions.
• Optimized tax reporting and provided technical support for the Web Portal of the Pension Fund of Ukraine (PFU).

Skills:

PL/SQL, Oracle APEX, JavaScript, XML, REST API.

2008 ? 2023: Processed and sorted massive data streams

Role: Senior Database Developer

Customer: Ukrzaliznytsia (Ukrainian Railways) (Kyiv)

Tasks:

• Processed and sorted massive data streams (millions of messages daily) in high-performance Oracle databases.
• Maintained and optimized large table structures, created complex reports for regulatory authorities.
• Developed internal applications using Oracle APEX.

Skills:

Oracle PL/SQL, Oracle APEX, JavaScript, XML, REST.

2021 ? 2023: Developed logistics software to control warehouse processes

Role: Oracle APEX Developer (Kyiv)

Tasks:

• Developed logistics software to control warehouse processes, cash operations, and parcel lockers.