Senior Software Engineer

Maksym I

Information

Available hours \ week
40 h/w
Seniority level
Senior
Years of experience
8 yrs.
Location
United States, Florida
Nationality
Ukraine
Timezone
(GMT-05:00) Eastern Time (US & Canada)

Languages

English
Advanced (C1)

About

Maksym is a Senior Software Engineer with 8+ years of commercial experience building scalable, high-performance web applications for enterprise and startup environments. Strong background in frontend architecture, full-stack development, and UI/UX optimization across healthcare, fintech, analytics, and SaaS domains. Experienced in React.js, TypeScript, Next.js, Angular, and FastAPI development with a strong focus on maintainable architecture, performance optimization, and developer productivity. Successfully improved delivery timelines, reduced frontend bug rates, and enhanced engineering collaboration through system design improvements and mentoring initiatives. Hands-on experience designing scalable frontend systems, implementing WebSocket-based real-time communication, creating reusable component libraries, and leading frontend modernization initiatives including AngularJS migrations and large-scale refactoring efforts.

Experience

Project under NDA

Founding Full Stack Engineer

About the Project

Startup product focused on scalable full-stack application development with modern frontend architecture and backend API services.

  • Management

Responsibilities

– Designed and developed full-stack architecture using React, TypeScript, and Python ensuring scalability and maintainability; – Implemented RESTful APIs using FastAPI for efficient frontend-backend communication; – Participated in the complete software development lifecycle from architecture design to deployment; – Contributed as a founding engineering team member in a startup environment; – Collaborated on system scalability and product feature planning;

Executive Homes

Senior Frontend Developer

About the Project

Enterprise web platform focused on scalable frontend architecture and reusable component systems.

  • Real Estate

Responsibilities

– Improved and extended a shared component library used across multiple development teams; – Reduced implementation timelines by up to five hours per task through reusable architecture improvements; – Conducted bi-weekly workshops on system design and frontend engineering practices; – Improved collaboration and increased code review efficiency by 30%; – Supported integrations with third-party services and frontend infrastructure improvements;

Skills & technologies

Project under NDA

Senior Frontend Developer

About the Project

Healthcare platform providing video conferencing and real-time communication solutions for patients and doctors.

  • HealthTech

Responsibilities

– Redesigned frontend architecture improving state management and component composition; – Unified frontend design approaches across Tailwind and MUI ecosystems increasing development efficiency by 20%; – Redesigned video conferencing UI/UX for improved multi-device compatibility; – Built a WebSocket-based live chat module enabling real-time communication between patients and doctors; – Reduced patient response times by 50% through real-time messaging implementation; – Mentored frontend developers on system architecture and best practices improving team productivity;

Project under NDA

Senior Software Engineer

About the Project

Enterprise software development focused on scalable frontend solutions and business-driven application architecture.

  • Management

Responsibilities

– Led cross-functional collaboration from system design to production deployment; – Converted Product Requirement Documents into detailed Technical Design Documents; – Reduced development timelines by 25% through improved technical documentation and planning; – Resolved frontend performance bottlenecks and UI-related issues reducing bug tickets by 60%; – Refactored existing codebases improving application performance by 20%; – Collaborated closely with business stakeholders and engineering teams;

Skills & technologies

Project under NDA

Frontend Developer

About the Project

Data infrastructure management platform providing web-based tooling and operational interfaces.

  • Management

Responsibilities

– Developed a web-based interface over MapR CLI improving accessibility and reducing command-line dependency; – Built an in-browser bash terminal for direct command execution; – Improved dashboard flexibility and advanced data filtering capabilities; – Enhanced user experience with customizable views and faster data retrieval; – Delivered frontend features aligned with project milestones and timelines;

Skills & technologies

Project under NDA

Frontend Developer

About the Project

Business automation platform focused on customer onboarding workflows and visual process management.

  • Management

Responsibilities

– Implemented a messaging system automating customer onboarding processes; – Developed a workflow builder with a custom canvas and interconnected visual elements; – Optimized rendering performance for large-scale workflow structures; – Improved frontend interaction performance and usability for complex UI systems;

Skills & technologies

Project under NDA

Frontend Developer

About the Project

Frontend development agency focused on responsive websites and interactive landing pages.

  • Management

Responsibilities

– Collaborated with designers to create responsive landing pages and animated UI layouts; – Developed frontend interactivity including form validation and client-side features; – Worked on responsive layouts across multiple screen sizes and devices; – Implemented JavaScript-based UI behaviors and animations;

Skills & technologies

Education

National University «Kyiv Aviation Institute»

2008 - 2011
Aviation Construction