Yurii

Yurii Kolochkov

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Software developer with 12 years of experience specialising in designing and implementing
large-scale distributed systems. Focusing on Go (Golang) programming language.
Currently available for independent contractor engagements only.

Experience
Software Developer, Architect and Dev/Ops specialist: 2011 - 2024.

Achievements

● Designed and implemented large scale systems that successfully serve hundreds
of thousands of users, ensuring robustness and scalability, for customers all around
the world - starting from individuals and including large companies.
● Assembled, led and managed teams of up to 10 developers delivering critical
projects ahead of schedule.
● Established effective DevOps practices, optimising infrastructure and maintaining
high availability.

Skills

Programming Languages:

● Go (Golang)
● C
● Python
● JavaScript

Database Management Systems (DBMS):

● PostgreSQL, MySQL
● MongoDB

Cloud Platforms:

● Google Cloud Platform (GCP) - preferable
● Amazon Web Services (AWS)

Technologies:

● Docker
● Kubernetes (Kustomize, Skaffold, Helm)
● Terraform, Pulumi
● NATS/Jetstream, RabbitMQ
● Influx DB
 ● gRPC
● Gitlab CD/CI
● Jira/Confluence

Architectures:

● Microservices
● Event-driven

Operating Systems (OS):

● Linux

Testing:

● Test-Driven Development (TDD)
● Behaviour-Driven Development (BDD)

Languages:

● English (CEFR C1), Ukrainian

Relevant links:
● Blog
● Upwork profile

Notable Project Successes

Smartmakers GmbH, Germany
2018 - 2019

Smartmakers GmbH is a leading provider of IoT solutions specialising in IoT asset tracking
and remote monitoring.

Key Responsibilities and Achievements:

● Developed and deployed industrial asset tracking solutions using Golang and
Kubernetes, ensuring real-time tracking of assets' condition.
● Leveraged Google Cloud Platform (GCP) to architect scalable IoT solutions for
optimal performance and resource management.
● Actively researched and integrated emerging technologies into IoT projects,
enhancing Smartmakers' product offerings and competitive edge.

Cloudstick LLC, United States
2019 - 2022

Cloudstick LLC offers cloud hosting solutions and a control panel platform simplifying server
management.
Key Responsibilities and Achievements:

● Assembled and led a team of developers to build the Cloudstick control panel
platform from scratch, overseeing the entire development lifecycle.
● Designed and implemented the architecture of the control panel platform using
Golang, ensuring scalability and reliability.
● Leveraged cloud services from AWS, GCP, and Kubernetes (k8s) to build a robust
infrastructure for hosting and managing cloud servers.
● Developed advanced server management features, including one-click installers,
users handling, MySQL setup, email account setup, and PHP stack modifications.
● Enhanced security measures by implementing advanced firewall configurations and
automated backup solutions to safeguard hosted servers and data.

Zenda, Inc., United States
2021 - 2022

Zenda, Inc. is a pioneering healthcare financial technology company specialising in Health
Savings Account (HSA) solutions.

Key Responsibilities and Achievements:

● Served as a key backend developer, leveraging Go programming language
expertise to design, develop, and maintain the foundational systems underpinning
the Zenda HSA platform.
● Made significant contributions to the development and successful launch of the
Zenda HSA, a groundbreaking financial product integrating an AI-powered Visa®
debit card, a flexible bank account, and a user-friendly mobile app.
● Ensured the seamless functionality and optimal performance of backend systems,
enabling users to effortlessly manage healthcare expenses, optimize savings, and
streamline financial interactions.
● Actively collaborated with cross-functional teams to provide technical guidance, drive
innovation, and continuously enhance the Zenda HSA platform to meet evolving user
needs and industry standards.

Ongoing freelance projects
2022 - present

Continuing to leverage my expertise in software development (Go programming
language), architecture (GCP), and DevOps through freelance projects for various clients.