Maksim Yaremenko

PROFILE

Versatile Software Engineer and DevOps specialist with extensive hands-on experience in product development, legacy code maintenance, CI/CD, cloud infrastructure, data engineering, and security platforms. Proven track record in timely delivery of complex features, performing live-schema migrations with zero downtime, and initiating process improvements (test coverage, automation, etc.). Skilled in mentoring teams and optimizing processes in fast-paced environments. Experienced in developing Telegram and WhatsApp bots tailored to various needs, including cryptocurrency, broadcasting, subscriptions, moderation, and auto-posting.

KEY SKILLS

Languages/Frameworks: Python (Flask, PyTelegramBotAPI, SQLAlchemy, Pandas, Numpy, etc.), Java (Core, Swing, Spring, etc.), C# (.NET Framework)

Cloud/DevOps: AWS, Terraform, CircleCI, GitHub Actions, GitLab CI

Databases/Data Tools: SQL, MySQL, SQL Server, Snowflake, Databricks, ETL processes

Other: Docker, NGINX, Linux, JUnit, Cypress, Pytest, Powershell, Bash, Prompt Engineering

PROFESSIONAL EXPERIENCE

[NDA] Telegram Bot Developer, Jan 2025 – Mar 2025 

Technologies: Python, Telegram Bot API, SQLite, Docker

• Developed a Telegram bot to automate participant registration for online events, significantly reducing manual efforts and errors in participant lists.

• Fully implemented participant registration and automated event reminders, integrating the bot with an SQLite database for efficient data storage and retrieval.

• Conducted performance testing in Docker environments, optimizing the bot for stable operation supporting simultaneous interaction with over 500 users.

[NDA] Data Masking ETL Software Engineer, Jan – Jun 2024, Aug – Dec 2024 Technologies: .NET Framework, Python

• Evaluated multiple ETL solutions leading to a successful transition from an existing .NET-based product to a Python-based solution.

• Delivered 50% of the new release functionality while simultaneously supporting legacy code, ensuring timely product delivery.

• Developed and presented PoCs to validate capabilities and performance of the new solution.

[NDA] SOC SIEM Platform Software Engineer, Aug 2023 – Jan 2024, Jun – Aug 2024 

Technologies: Python, Java, Scala ZIO, SQL, Grafana, CircleCI, Snowflake, Databricks

• Performed live schema migrations without downtime and automated infrastructure health checks within CI/CD pipelines.

• Ensured Databricks compatibility alongside Snowflake, supporting dual data-lake functionality.

• Created an open-source Detection-as-Code repository enabling detector development and validation via CLI.

[NDA] ESL Project Lead, Jul 2022 – Jan 2023 

Technologies: Python, GitLab

• Led a team of 5 junior specialists developing an internal English-learning utility for IT professionals, managing the process from requirements to MVP.

• Published MVP as an open GitLab repository with integrated CI/CD to encourage community contributions.

[NDA] CNC Software Engineer, Apr 2021 – Jul 2023 

Technologies: Java 8, Swing, Linux, C#, Python

• Maintained and refactored a large legacy codebase, adding new features and improving performance.

• Achieved 60% code test coverage within a year through targeted testing initiatives.

• Migrated QA tools from .NET to Python, significantly reducing QA onboarding time.

[NDA] API Testing Platform DevOps Engineer, Jan 2021 – Apr 2021 

Technologies: AWS (S3, EC2, ALB, VPC, etc.), Terraform, NGINX, GitHub Actions, Cypress

• Built and implemented a CI/CD pipeline from scratch, automating containerization and deployment processes.

• Demonstrated rapid adaptation, quickly mastering new project technologies and solutions.

EDUCATION

Master of Computer Science, V.N. Karazin Kharkiv National University, 2021–2023
Bachelor of Computer Science, V.N. Karazin Kharkiv National University, 2017–2021

LANGUAGES

English – C1, Ukrainian – Native, Russian – C1