Костянтин

Kostiantyn Yagusevych
Backend Developer · Systems & Security
[open contact info](look above in the "contact info" section) · [open contact info](look above in the "contact info" section) · [open contact info](look above in the "contact info" section) · github.com/kiurakku

Backend developer and systems engineer with ~2 years of professional experience across AI product, SAP administration,
and DevOps roles. Currently building AI access intelligence systems at IDENTRA AI. Strong foundation in Go, Python, Linux
infrastructure, and security tooling — reinforced by ongoing B.S. in Cybersecurity at Lviv Polytechnic and a DevOps
certification from SoftServe IT Academy.

TECHNICAL SKILLS
Backend Go (Gin, net/http), Python (FastAPI, Django, Scrapy), C++, RESTful APIs, WebSockets
DevOps & IaC Docker, Kubernetes, GitHub Actions, GitLab CI, Ansible, Terraform, Nginx
Databases PostgreSQL, MySQL, MongoDB, Redis — query optimization, migrations, ORM
(SQLAlchemy, GORM)
Observability Prometheus, Grafana, Loki, Alertmanager, ELK stack
Security Pentesting (Web/Network), OSINT, Nmap, Nessus, RBAC, TLS/SSL, SSH hardening
AI & Tools AI workflow integration, access intelligence systems, Git, Jira, Confluence, VS Code

PROFESSIONAL EXPERIENCE

AI Access Intelligence Architect · IDENTRA AI Apr 2026 – Present
Hybrid · Ukraine · Full-time
▸ Designing AI-powered access intelligence systems and automating decision-making workflows.
▸ Building backend integrations between AI models and internal infrastructure; defining architecture for AI pipelines.
Arbitration Case Support Specialist · NICELY.GROUP Oct 2025 – Nov 2025
Hybrid · Full-time
▸ Investigated platform bugs and incidents; implemented structured logging (Loki) and Prometheus metrics.
▸ Refactored API components to improve performance; streamlined CI/CD pipeline stages.
SAP System Administrator · Kindgeek Jun 2025 – Sep 2025
Hybrid · Lviv · Full-time
▸ Administered SAP environments; automated admin workflows with Python and Bash scripts.
▸ Embedded SAST scans and secret detection into CI/CD; built Grafana dashboards for ops monitoring.
Junior DevOps Engineer · SoftServe Feb 2025 – May 2025
Remote · Part-time
▸ Containerized services with Docker; managed Kubernetes deployments and wrote Ansible provisioning playbooks.
▸ Maintained CI/CD pipelines; gained hands-on DevOps foundations as part of SoftServe IT Academy program.
Python & Cybersecurity Coach · American Young Coder School Nov 2024 – Mar 2025
Remote · Full-time
▸ Taught Python development and cybersecurity basics; mentored students through full project delivery.
IT Support Specialist · Grandit Sep 2016 – Mar 2018
Hybrid · Lviv · Part-time
▸ Provided IT support; scripted automation for recurring admin tasks. (Part-time, early career)

FREELANCE & PROJECTS
Freelance projects · Various clients · Ongoing
▸ Built custom backend services in Go/FastAPI + PostgreSQL deployed on VPS with Docker and Nginx.
▸ Full-cycle delivery: requirements → architecture → development → deployment → documentation.
▸ Integrated third-party APIs (payments, maps, messaging) for client projects.
HMH.EXPERT · Technical Consultant
▸ Architecture review, bug investigation, and technical consulting for a freelance marketplace platform.

EDUCATION & CERTIFICATIONS
B.S. in Cybersecurity · Lviv Polytechnic National University 2023 – 2027 (exp.)
Cybersecurity & DevOps · SoftServe IT Academy 2025
Software Development & Web Tech · IT Step Academy 2016 – 2021

Certifications: Ethical Hacking (White Hacker) · DevOps (SoftServe IT Academy) · Linux (KillerCode)

LANGUAGES
Ukrainian — Native · English — B2 Upper-Intermediate · German / Polish — A2