Sergii

Sergii Smagin | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація»)
IT professional with experience in technical support, ERP/HCM systems, software engineering, and customer-facing
problem-solving.
Experienced in troubleshooting business applications, supporting end users, resolving operational issues, and improving
internal processes and documentation.
Strong background working directly with users in fast-paced environments, with a focus on communication, ownership,
and reliable service delivery.

CORE COMPETENCIES
Technical support, troubleshooting, customer support, ERP/HCM systems, incidents resolution
ERP/HCM systems, Microsoft 365, software support
MS SQL, SSAS, SSIS, PostgreSQL, MySQL
Java, C#, SQL
Git, Docker, Jira, AWS, CI/CD, documentation, and knowledge base management

PROFESSIONAL EXPERIENCE
Independent Contractor | Support Engineer (Canada, Jan 2023 - Present)
ReSkill Calgary is an ecosystem builder with a mission to help integrate highly skilled STEM immigrants into the Calgary tech space.
● Collaborated with users and stakeholders to support a web platform serving 10,000+ monthly attendees.
● Assisted with troubleshooting application issues, deployment processes, and operational support activities.
● Improved deployment reliability and reduced release time by ~35% through CI/CD process improvements.
Outlier helps the world’s most innovative companies improve their AI models by providing human feedback.
● Crafted and refined prompts across 10+ AI training projects, ensuring data quality and relevance for the training objectives and
identifying areas for improvement.
● Investigated and resolved technical inconsistencies, edge cases, and quality issues in AI-generated outputs.
● Worked with large datasets and technical workflows, ensuring accuracy, consistency, and issue resolution under tight deadlines.

ROSHEN Confectionery Corporation | Support Engineer (Ukraine, Apr 2021 - Sep 2022)
ROSHEN is one of the world’s largest confectionery manufacturers (ranks 27 in the Global Top-100 Candy Companies ranking).
● Supported business-critical ERP and reporting processes used by finance and operations teams.
● Investigated data and reporting issues, improving reliability and reducing report generation time from 3+ hours to 4 minutes.
● Developed and maintained integrations for importing sales data from multiple sources into ERP systems.
● Collaborated directly with business users to resolve operational issues and improve reporting workflows.

Agrarian System Technologies | Support Engineer (Ukraine, Jan 2019 - Apr 2021)
AST is an agrarian enterprise that manages a land bank spanning over 50,000 hectares and features modern elevator complexes,
enabling the total annual transshipment of late grains and industrial crops with a volume exceeding 500,000 tons.
● Provided day-to-day support for ERP users, troubleshooting system issues, and resolving operational problems.
● Reduced support requests by ~30% by implementing a request tracking system and creating a knowledge base for common
issues.
● Worked directly with users to gather requirements, investigate incidents, and improve business workflows.
● Built tools for fuel accounting and automated regulated reporting, reducing report preparation time by 70%.
● Supported ERP-related data workflows and SQL-based reporting processes.

EDUCATION
Bachelor's Degree in Computer Systems and Network Engineering
National Technical University of Ukraine 'Kyiv Polytechnic Institute' (Ukraine)