Михайло

MYKHAILO CHUMAK
Full Stack Engineer
Kyiv, Ukraine
E-mail: [open contact info](look above in the "contact info" section)
LinkedIn | GitHub

SUMMARY
Results-driven Senior Software Engineer with 10+ years of experience in web
development. Specialized in high-load applications, performance optimization, and API
development. Proven expertise in Angular, TypeScript, .NET, and Node.js, collaborating
with Agile teams, DevOps, QA, and analysts. Passionate about building scalable, efficient,
and maintainable software solutions.

Fast learner with a strong ability to adapt to emerging technologies and methodologies.
Adept at troubleshooting and improving system performance while maintaining best coding
practices.

TECHNICAL SKILLS
● Frontend: Angular, NgRx, RxJS, TypeScript, ReactJS, Next.js, JavaScript (ES6+),
HTML, CSS, SCSS, Bootstrap
● Backend: .NET Framework, ASP.NET Core, Node.js (Express, NestJS), PHP
(Laravel, Symfony)
● Databases: MySQL, MSSQL, MongoDB
● DevOps & Cloud: Docker, AWS, Azure, CI/CD (GitLab, Bamboo), Git, Datadog,
Postman
● Software Principles: OOP, SOLID, DRY, KISS, Design Patterns
● Additional Tools: Jira, Confluence, WebRTC, GraphQL
● AI-Assisted & Agentic Development: Claude Code, MCP connectors (Atlassian/Jira,
GitHub, Figma), agentic workflows for code generation, review and refactoring
WORK EXPERIENCE
NDA (Sep 2025 - Now)

Senior Software Engineer
● Refactored the .NET 6 monolithic system to improve performance. ● Developed
new features for the affiliate content platform and internal CRM system. ● Created
infotainment blocks to increase user retention.
● Improved the client interface using clean HTML/CSS/JS and maintained the existing
CRM on AngularJS 1.6.

● Worked with cloud storage and databases, maintained deployment processes via
GitLab CI/CD.
● Adopted agentic development workflow based on Claude Code with MCP
connectors to Jira/Confluence, GitHub and Figma — automating routine
refactoring, test scaffolding and code review.
● Built reproducible task pipelines: issue context from Jira → implementation and PR
in GitHub → design-to-code handoff from Figma, reducing manual context
switching and speeding up delivery of routine tasks.
● Defined project-level conventions and guardrails (prompts, skills, repo instructions)
so agent-generated code follows existing architecture and review standards.
● Tech stack: .NET 6, HTML/CSS/JS, AngularJS 1.6, Azure Blob, Azure Mongo,
GitHub, GitLab CI/CD, Claude Code + MCP (Atlassian, GitHub, Figma).

NDA (Apr 2025 - Jul 2025)

Senior Software Engineer
● Improved the frontend application using Angular 18 and optimized Adobe
ExtendScript scripts.
● Developed an internal task management and CRM system with CI/CD integration for
two-way media uploading.
● Optimized the AI-based automated text translation system. Set up interaction with the
backend using Python and FastAPI.
● Tech stack: Python, FastAPI, Angular 18, JavaScript (Adobe ExtendScript).

EPAM Systems (Nov 2021 - Jan 2025)

Senior Software Engineer

● Reduced API response time, optimizing system performance and server resource
utilization.
● Implemented new functionality using C#, ASP.NET, and Entity Framework, designing
and developing RESTful web services and APIs for improved backend performance
and scalability.
● Refactored business logic, reducing server load and improving application scalability.
● Collaborated with cross-functional teams to resolve technical issues and enhance
system efficiency.
● Development and optimization of high-load applications using Angular and .NET,
ensuring robust performance and scalability.
● Implementation of new features and resolution of technical issues to enhance
software functionality and reliability.
● Performance improvements through code refinements and process enhancements
within CI/CD pipelines.
● Collaboration with cross-functional teams to achieve delivery of high-quality software
solutions.
● Contribution to the software lifecycle by maintaining best practices in development,
deployment, and maintenance processes.
● Ensured seamless integration between system components through effective

problem-solving and teamwork.
● Tech stack: .NET Framework, .NET Core, Angular, GitLab CI/CD.

Softengi (Apr 2021 - Nov 2021)

Senior Software Engineer

● Designed and developed a "smart office" solution from inception,
utilizing cutting-edge technologies and methodologies. ● Created
and implemented UI/UX components, ensuring seamless integration
with APIs to provide an intuitive user experience. ● Utilized Angular
v.11 for front-end development to deliver dynamic, responsive, and
user-friendly interfaces.
● Leveraged .NET Core 5 for back-end development, ensuring robust
and scalable system architecture.
● Collaborated with cross-functional teams to align project objectives
with technical solutions and business requirements.
● Delivered a comprehensive "smart office" system under tight
deadlines, contributing to improved operational efficiency for
end-users.
● Tech stack: Angular v11, .NET Core 5, Atlassian Cloud.

NodeArt (Aug 2019 - Oct 2020)

Software Engineer

● Development of an online gambling platform utilizing Angular 9, Node.js, and
SoftSwiss API.
● Optimization of platform performance to enhance speed, scalability, and reliability.
● Integration of financial services to ensure seamless payment processing and
transactions.
● Implementation of efficient coding practices to improve application performance and
maintainability.
● Collaboration with cross-functional teams to deliver a user-friendly and secure
platform.
● Application of cutting-edge technology solutions aligned with industry standards for
online gambling platforms.
●
● Tech stack: Angular 9, Node.js, SoftSwiss API.

GlobalLogic (Sep 2018 - Jun 2019)

Software Engineer

● Development and maintenance of a video conferencing system based on AngularJS.

● Resolution of bugs and implementation of new features to enhance functionality and
user experience.
● Collaboration with WebRTC technology for real-time communication solutions.
● Optimization of system performance and reliability through testing and
troubleshooting.
● Integration of advanced features to align with client requirements and technological
standards.
● Contribution to project milestones within an Agile development framework..
● Tech stack: AngularJS, WebRTC, C++, Java, Atlassian Stack.

OSF Global Services (Nov 2017 - Aug 2018)

Software Engineer

● Developed e-commerce platforms within the Salesforce Commerce Cloud
environment.
● Implemented key functionalities using Demandware, Vue.js, and jQuery.

VisaHQ Inc. (May 2014 - Nov 2017)

Junior Software Engineer

● Developed and maintained a Chrome extension to streamline visa application
processing.
● Built and maintained PHP-based APIs, ensuring seamless data exchange. ●
Automated processing scripts to enhance efficiency and accuracy. ● Tech stack:
JavaScript (ES5, AngularJS v1.6, jQuery), PHP (Symfony v2), AWS S3, Apache 2,
GitLab CI/CD.

EDUCATION
Bachelor’s degree in Software Engineering
Kharkiv National University

LANGUAGES
● English: Upper-Intermediate (B2)
● Ukrainian: Native

PROFESSIONAL INTERESTS

● Passionate about Cloud Engineering, DevOps, and Game Development. ●
Continuously exploring new technologies to optimize web application performance. ●
Enthusiastic about Nature and Quantum Physics, applying analytical thinking to
software engineering.