Александр

OLEKSANDR SHEVCHENKO
QA Engineer | Mobile & Telecom QA | API Testing
Kyiv, Ukraine | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація»)
LinkedIn: [відкрити контакти](див. вище в блоці «контактна інформація») | GitHub: github.com/AlexShevchenk

PROFESSIONAL SUMMARY
QA Engineer with 4+ years of experience in Mobile, Telecom and Software Testing. Experienced in testing mobile devices
and applications, telecommunications services, network functionality, APIs and interoperability. Strong background in
Android/mobile testing and telecom technologies including LTE, 5G, IMS, VoLTE, VoWiFi, ViLTE and SIP. Experienced in API
testing using Postman and Swagger, traffic analysis using Chrome DevTools and Wireshark, and log analysis using Qualcomm
and MediaTek tools. Skilled in test documentation, bug reporting, test case optimization, SQL databases and collaboration with
R&D; teams.

TECHNICAL SKILLS
Testing: Manual Testing, Mobile Testing, Functional Testing, Regression Testing, Smoke Testing, Sanity Testing, Integration
Testing, Interoperability Testing, API Testing, Network Testing, Performance Testing, Localization Testing, Compatibility
Testing.
API & Web: REST API, HTTP/HTTPS, GET, POST, PUT, DELETE, Postman, Swagger / OpenAPI, Chrome DevTools.
Mobile & Telecom: Android Testing, LTE / LTE-A, 5G SA / NSA, IMS, VoLTE, VoWiFi, ViLTE, SIP, SRVCC, CSFB, VPLMN,
NFC Testing.
Tools: Jira, TestRail, Postman, Swagger, Wireshark, Chrome DevTools, ADB, QXDM, QPST, ELT, Shannon DM, Git.
Databases & Programming: SQL, PostgreSQL, MS SQL, MySQL, Python, Basic Automation Testing.
Networking: TCP/IP, Ethernet, Mobile Networks, SIP Signaling.

PROFESSIONAL EXPERIENCE
QA Specialist / Localization Tester — ThunderSoft | Xiaomi Project
2024 – Present
• Perform comprehensive testing of Xiaomi mobile products and software.
• Conduct Functional, API, Interoperability, Network, Application, SIM and Chipset Testing.
• Perform performance verification including voice quality and data throughput testing.
• Verify compatibility and interoperability with local telecom operators and network environments.
• Verify local market requirements, including language integrity, operator requirements and regulations.
• Report field issues with detailed test environments, reproduction scenarios and logs for R&D; investigation.
• Analyze device behavior using ADB, Wireshark, Qualcomm tools, Shannon DM and ELT.
• Optimize testing processes and test cases; work with Jira and TestRail.
• Prepare technical documentation and reports in English.
QA Specialist / Field Test Engineer — ThunderSoft
2022 – 2023
• Performed software and hardware testing on prototype mobile devices.
• Tested Voice Calls, SMS/MMS, Mobile Data, VoLTE, ViLTE, VoWiFi and Call Handover.
• Performed Network Registration, VPLMN, SRVCC, CSFB and network transition testing.
• Conducted mobility and field testing in real network environments, including cars and trains.
• Performed NFC testing with bank cards, shopping cards, access cards, public transport and retail scenarios.
• Captured and analyzed device logs using ADB, QXDM, QPST and MediaTek ELT.
• Prepared detailed bug reports and registered issues in Jira and PDM.
• Participated in technical interviews and onboarding of new team members.
Technical Support Engineer — Binotel
2021 – 2022
• Provided first-line technical support to customers.
• Configured virtual PBX systems using internal tools.
• Conducted primary diagnostics and investigation of customer technical issues.
• Escalated complex issues to second- and third-line support teams.

API & DATABASE EXPERIENCE
REST API: Experience testing RESTful APIs and working with HTTP methods (GET, POST, PUT, DELETE), Postman,
Swagger / OpenAPI and Chrome DevTools. Understanding of request/response structures and HTTP traffic analysis.
SQL: Writing SQL queries and validating data in relational databases including PostgreSQL, MySQL and MS SQL Server.

EDUCATION
National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”
Master's Degree — 2022–2024
Bachelor's Degree — 2017–2021

LANGUAGES
Ukrainian — Native | English — Upper-Intermediate (B2)

ADDITIONAL INFORMATION
Experience working in international teams; technical documentation in English; strong analytical and problem-solving skills;
experience collaborating with R&D; and engineering teams; available for remote opportunities.