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Maksym K.

@maksymk35

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Senior Software Development Team

$30 USD / Hour

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Ukraine (12:56 AM)

Joined on March 1, 2026

$30 USD / Hour

Accomplished Senior Software Developer with deep expertise in designing, developing, and delivering robust, high-performance software and embedded solutions across desktop, web, and mobile platforms. Recognized for transforming complex technical challenges into elegant, maintainable, and scalable systems, with a unique ability to bridge software, hardware, and data domains. I combine advanced proficiency in C, C++, C#, .NET, ASP.NET, Python, and SQL with hands-on experience in embedded systems, PCB design, and cross-platform application development, making me a versatile problem-solver capable of handling projects from low-level hardware programming to enterprise-grade software solutions. Areas of Expertise: Desktop & Web Applications: Building modern Windows apps (WinForms, WPF) and scalable web solutions with REST APIs, MVC architecture, and ASP.NET frameworks. Mobile & Cross-Platform Development: Creating robust mobile applications using Xamarin and .NET MAUI for seamless cross-device functionality. Embedded Systems & PCB Design: Expert in microcontroller programming, firmware development, and PCB schematic and layout design for reliable hardware systems. Data Automation & Analysis: Advanced data scraping, Excel automation, and workflow optimization for actionable insights. Integration & Interoperability: Developing wrappers for third-party SDKs, integrating RESTful APIs, and migrating code across multiple languages with precision. Database Architecture & Optimization: Designing and optimizing high-performance databases (SQL Server, MySQL, PostgreSQL) for scalable applications. Legacy System Modernization: Converting and updating legacy systems to modern, maintainable, and high-efficiency solutions. Professional Highlights: Strong analytical and problem-solving skills, consistently delivering high-quality solutions under tight deadlines. Adept at leading end-to-end development projects, from concept and architecture to deployment and optimization. Passionate about innovation, continuously learning emerging technologies, and applying them to practical, real-world problems. Proven ability to work across software, hardware, and data domains, ensuring integrated and efficient solutions. I specialize in turning complex challenges into high-impact solutions, combining precision, creativity, and technical mastery to drive results that matter.

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Accept rate

100%

Portfolio

Portfolio

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Joshua Eaton Biddle W.

3.0

$15 USD

27 days ago

Finish configuring my Heewing T2 VTOL build - screenshare bandwidth needed -- 3

I was looking for Mission Planner expertise, this was not to be found.

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Experience

Senior Full-Stack Developer

Jan, 2021 - Present

5 years, 4 months

TechNova Solutions

Jan, 2021 - Present

5 years, 4 months

-Designed and implemented scalable web applications using ASP.NET Core, MVC, and RESTful APIs for enterprise clients. -Led migration of legacy Windows desktop systems (WinForms/WPF) to modern .NET architecture, reducing system downtime by 40%. -Integrated third-party APIs and developed custom SDK wrappers to enhance application interoperability. -Optimized database queries and schema for SQL Server and PostgreSQL, improving data retrieval speeds by 60%.

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Kyiv, Ukraine

Jan, 2021 - Present

5 years, 4 months

Embedded Systems & Firmware Engineer

Jan, 2019 - Dec, 2020

1 year, 11 months

ElectroTech Innovations

Jan, 2019 - Dec, 2020

1 year, 11 months

-Developed firmware for ARM and AVR microcontrollers, optimizing performance and power consumption. -Designed and tested PCBs for IoT and automation devices, ensuring compliance with industrial standards. -Automated hardware testing workflows using Python and custom scripts, reducing manual testing time by 50%. -Collaborated with software teams to create cross-platform apps controlling embedded devices.

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Lviv, Ukraine

Jan, 2019 - Dec, 2020

1 year, 11 months

Mobile & Cross-Platform Developer

Jan, 2018 - Dec, 2018

11 months

AppForge Labs

Jan, 2018 - Dec, 2018

11 months

-Built cross-platform mobile applications using Xamarin and .NET MAUI for iOS and Android devices. -Implemented offline data synchronization and secure API communication for enterprise-grade mobile apps. -Enhanced user experience through performance optimization and responsive UI design.

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Kharkiv, Ukraine

Jan, 2018 - Dec, 2018

11 months

Education

National Technical University of Ukraine 'Igor Sikorsky Kyiv Polytechnic Institute'

2012 - 2014

2 years

Master of Science in Computer Engineering

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Ukraine

2012 - 2014

2 years

Bachelor of Science in Software Engineering

2008 - 2012

4 years

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Ukraine

2008 - 2012

4 years

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