Illia Kobus
@illiakobus
Senior backend and full-stack engineer focused on scalable SaaS systems and technical leadership.
CanadaWhat I'm looking for
I am a senior backend and full-stack engineer with 10+ years building and scaling SaaS platforms and distributed systems. I lead architecture and system design efforts, drive DevOps automation, and mentor engineers to improve performance, resilience, and operational stability in high-traffic environments.
Throughout my career I have improved platform reliability through async job queues, CI/CD and containerization, overseen major refactors to boost uptime, and contributed to long-term technical strategy while working effectively in small, remote teams.
Experience
Work history, roles, and key accomplishments
Senior Backend / Full-Stack Engineer
DocuPet
Apr 2023 - Present (2 years 6 months)
Led architecture and system design to improve scalability, resilience, and uptime for a pet licensing SaaS used by municipalities; mentored developers and drove major refactors that reduced maintenance overhead.
Senior Software Engineer
Rallyware
Feb 2022 - Aug 2023 (1 year 6 months)
Improved reliability and scalability of an enterprise SaaS by introducing asynchronous job queues and optimizing database workloads; supported production incidents and refined API integrations to improve onboarding.
Senior Software Engineer
Rule
Sep 2019 - Feb 2022 (2 years 5 months)
Led development and launch of a new marketing automation platform version, improving performance and throughput; rebuilt deployment infrastructure with ECS queue workers and standardized Docker-based workflows.
Full-Stack Developer
Art Lemon
Jan 2018 - Dec 2019 (1 year 11 months)
Led web and mobile logistics app development using Laravel and Docker, delivering end-to-end features and managing technical aspects of the product.
Software Developer
LuckyWare Pro
Jan 2016 - Dec 2018 (2 years 11 months)
Supported and extended multiple full-stack web projects across manufacturing, real estate, and non-profit domains, maintaining systems used by real users at scale.
Software Web Developer
S&S Development Plus Inc.
Delivered full-cycle web projects for US clients, taking end-to-end architectural responsibility and coordinating small distributed freelance teams for landing pages and data collection systems.
PHP / JavaScript Developer
Appus Studio
Built reusable web components and automation tools for e-commerce applications, improving development efficiency and reuse across projects.
Education
Degrees, certifications, and relevant coursework
KRKharkiv National University of Radioelectronics
Bachelor's Degree, System Engineering
2015 - 2018
Completed a Bachelor's degree focused on software systems design, automation, and applied computer science from Sep 2015 to Jun 2018.
Tech stack
Software and tools used professionally
Availability
Location
CanadaAuthorized to work in
Job categories
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