Дмитро

SUMMARY
Sherstiuk Dmytro
[open contact info](look above in the "contact info" section), [open contact info](look above in the "contact info" section)
Date of birth – 19/12/1986
Address: Dnipro, Ukraine
QA/Embedded Engineer with 10+ years in software testing and 2+ years of
hands-on embedded systems experience. Skilled in designing, assembling,
programming, and testing IoT devices (Arduino, ESP8266/ESP32, Raspberry
Pi). Strong background in test strategy development, hardware testing
procedures, and quality assurance. PhD in Physics and Engineering with
CAD/FEA simulation expertise.

WORK EXPERIENCE
Senior QA Automation Engineer(Team-lead) – DashDevs (march 2025 – current time).
Job responsibilities:
 REST API testing with Postman+newman+github actions.
 Functional tests automation with WebdriverIO+BDD, JS+Playwright+BDD+ PageObjectModel.
 Performance/Stress/Load Testing with JMeter and k6.
 Set goals QA team mentoring(6 people).

Senior QA Automation Engineer – StrongSD (2024 – march 2025).
Job responsibilities:
 REST API testing with Postman+newman+github actions.
 Functional tests automation with WebdriverIO/TS+BDD, JS+Cypress+BDD+ PageObjectModel.
 Manual testing – test plans developing. Optimization of the testing process.

Senior QA Automation Engineer – Playson Inc. (2020 – 2024).
Job responsibilities:
 REST and GRPC API testing with Postman, API Test-cases automation with JS+Jest.
 Automation of mobile testing(Android, iOS) with WebdriverIO.
 Performance/Stress/Load Testing with JMeter and k6.
 Functional tests automation with JS/Python+Playwright+ PageObjectModel.

QA Automation Engineer – CloudLinux Inc. (2016 – 2020).
Job responsibilities:
 Performance and Load Testing with JMeter.
 Test-cases automation with Katalon Studio(with Java/Groovy coding).
 RESTful API / REST Assured testing with Postman.
 Create test case, test plans. Optimization of the testing process.
 Linux CLI daily usage for server-side testing, log analysis, and device interaction.

Associate Professor(PhD degree from 2014) – Dnepropetrovsk National University (2014 – 2016).
Job responsibilities:
 Creating a mathematical model of the physical process, including the creation of 3D-object CAD-models
(SOLIDWORKS/COMPASS//AutoCad).
 The thermal state calculations of oversize pieces and parts such as rolls, welded axially symmetric shell
(using ANSYS). Calculation of stress-strain state (using ANSYS).

QA Engineer (2011 – 2014) – freelance. Participated in three projects – traders and referral web
applications.
Job responsibilities:
 Create test case, test plans.
 Testing of Web applications with following types of testing: Functional, Regression, Usability.
 HARDWARE & EMBEDDED EXPERIENCE
Designed, assembled, programmed, and tested 60+ embedded/IoT projects using Arduino (Uno, Nano),
NodeMCU (ESP8266), ESP32, and Raspberry Pi. Key projects:

IoT Air Quality Monitoring System (NodeMCU + MQ135 + DHT22 + OLED SSD1306 + Blynk +
OTA).
Integrated air quality, temperature/humidity sensors, OLED display (I2C), relay control, multi-WiFi,
NTP sync, OTA firmware updates, and Blynk IoT dashboard.

Smart Watering System v2.0 (Arduino + HC-SR04 + Soil Moisture + LCD I2C + RTC + Relay)
Automated plant watering with soil moisture monitoring, ultrasonic water level detection, LCD display,
RTC-based scheduling, and relay-driven pump control.

Home Security Alarm System (NodeMCU + Ultrasonic Sensor + Telegram Bot)
WiFi-connected alarm with motion detection via ultrasonic sensor, real-time Telegram notifications,
and remote arm/disarm control.

ESP32 Camera Web Server (ESP32-CAM + WiFi)
ESP32-CAM with static IP, MJPEG streaming, and web-based control interface.

GSM Communication Module (Arduino + SIM800L)
SMS send/receive, call functionality, and relay control via SMS commands using TinyGSM library.

Sensors: DHT11/DHT22, SHT20, KY-001/KY-013 (temp), MQ135 (air quality), HC-SR04
(ultrasonic), TOF10120 (laser), HC-SR501 (PIR), KY-003/KY-024/KY-035 (magnetic),
KY-022/KY-032 (IR), KY-037 (sound), LM393 (light), photoresistors, soil moisture.
Actuators: Servo/stepper motors (28BYJ-48+ULN2003), relays (G3MB-202P), RGB LEDs, OLED
SSD1306, LCD I2C, TM1637.
Protocols: I2C, SPI, UART/Serial, OneWire, WiFi (ESP8266/ESP32), GSM (SIM800L).
Platforms: Arduino Uno/Nano, NodeMCU ESP8266, ESP32, Raspberry Pi.
Tools: Arduino IDE, Blynk IoT, Cayenne MQTT, ArduinoOTA, WiFiManager, ArduinoJson,
LittleFS/SPIFFS, Python.
EDUCATION
2004 – 2010 – Dnipropetrovsk National University, Department of Physics and Engineering Qualification:
Master "Air and missile."

SKILLS:
• RESTful / GRPC/ GraphQL API testing with Postman
• Performance and Load Testing with JMeter, k6.
• Web UI test automation with JavaScript/TS+Playwright+BDD, JavaScript+Cypress+BDD, Jest.
• Mobile test automation with JavaScript/TS+WebDriverIO+BDD.
• Test automation with Python.
• Ensuring of quality assurance process and quality control. Create test plans, test case, check-list.
• Knowledge in SCRUM development methodology and BA activities.
• Hands-on hardware testing: controllers, sensors, actuators, specialized electronics.
• Embedded systems: Arduino, ESP8266/ESP32, Raspberry Pi – design, assembly, programming,
testing.
• Communication protocols: I2C, SPI, UART, OneWire, WiFi, GSM.
• Hardware test procedures development, checklists, sensor calibration, defect logging.
• Linux CLI for device interaction, log retrieval, and debugging.
• 3D CAD modeling (SOLIDWORKS, COMPASS, AutoCAD) and FEA simulation (ANSYS).

ADDITIONAL EDUCATION(Certifications&Courses):
 Docker and Kubernetes: The Complete Guide
- https://www.udemy.com/certificate/UC-e1a2bee7-a84e-4878-b176-7945219994a0/
 Design Patterns in JavaScript
- https://www.udemy.com/certificate/UC-ac5bd18c-d471-40e0-b9bc-f09c00ff4a82/
 Cypress: Web Automation Testing from Zero to Hero
- https://www.udemy.com/certificate/UC-4c05dd79-21c7-43b4-8b26-72cdd208ed48/
 GRPC Testing with K6
- https://www.udemy.com/certificate/UC-38f9209c-81cb-41cf-812f-8dcd842269ba/
 Mobile Automation with Appium 2.0 and WebdriverIO
- https://www.udemy.com/certificate/UC-1e50aead-f736-42f4-9f8f-bfa99c25aa0e/
 Playwright with Python for Web Automation Testing
- https://www.udemy.com/certificate/UC-8530bee5-1eea-4d7e-a895-e682a7d09614/
 Kubernetes basics
- https://certs.prometheus.org.ua/downloads/7dbac03c24ee4370a309cb86b4647205/
Certificate.pdf
 Certificate ISTQB Foundation Level
- https://scr.istqb.org/?name=Dmytro+Sherstiuk
 IQBBA Certified Foundation Level Business Analyst (CFLBA)
- https://udemy-certificate.s3.amazonaws.com/pdf/UC-0IVIUDZL.pdf
 ISTQB Certification Advance Level Test Manager
- https://www.udemy.com/certificate/UC-HCBF36T2/
 Webservices API Testing with Rest Assured API & POSTMAN
- https://www.udemy.com/certificate/UC-d064d703-5684-4424-947b-57ce54ed1503/
 Playwright JS/TS Automation Testing from Scratch & Framework
- https://www.udemy.com/certificate/UC-4b20d4f5-77e4-42a6-a85c-1f1d39998345/

LANGUAGES:
Ukrainian - fluent.
English - upper intermediate level, certified B2 (https://langskill.co.uk/190098811DP02).