Костянтин

MAIOROV
KOSTIANTYN
Back-end developer
WORK EXPERIENCE:
FREELANCE BACK-END DEVELOPER
2023 - present

Full-cycle development – from technical requirements to finished
Date of birth: 21.09.1991 product.
City: Kyiv, Ukraine Designed simple entertainment devices and control blocks for
oven fans.
CONTACT: Modernized invertors (e.g., display, counter, fuse).

Phone: [открыть контакты](см. выше в блоке «контактная информация») Developed air quality measuring boxes with GSM connectivity.

WhatsApp: [открыть контакты](см. выше в блоке «контактная информация»)
E-mail: [открыть контакты](см. выше в блоке «контактная информация») DESIGN ENGINEER
until 2023
Linkedin:
Engineering of metal goods and equipment
[открыть контакты](см. выше в блоке «контактная информация»)
GitHub:
SOFT SKILLS:
https://github.com/MKS-Kvazar/
sociability
EDUCATION: teamwork
2011-2015 Kharkiv National ability to work independently
University of Civil group management abilities
Engineering and Architecture learnability
Bachelor Industrial civil initiative
construction critical thinking

HARD SKILLS:
ADDITIONAL EDUCATION:
Java Elementary Course – Hillel IT
🔧 Mechanical Engineering:
SolidWorks, Autodesk Inventor (main CAD tools)
School (2022)
Experience with metalwork: sheet metal, milling, assemblies
Java Enterprise Course – Hillel IT
Experience with plastics (3D printing: PLA, PETG)
School (2022)
🔌 Electronics & PCB Design:
LANGUAGES: EasyEDA (main tool), PCB ordering via JLCPCB
Ukrainian – Native Manual PCB creation using photoresist technique
Russian – Native Worked with STM32, ESP32, Arduino, Raspberry Pi (Zero – 5)
English – B1 (Intermediate) Interfaces: I2C, UART, SPI
Integration with GSM, GPS modules, and air quality sensors
HOBBIES: RTOS

running
cycling
💻 Programming:
C/C++ (main programming languages)
Python and Java (for testing and scripting)