Senior Software Engineer in Test / SDET

Senior SDET for fintech, payments, backend, API, web, and mobile quality.

10+ years across fintech, banking, payment systems, and HoReCa. I build automation that protects release-critical workflows and fits real CI/CD delivery.

Best-fit roles

Senior SDET, Senior SET, QA Automation Lead

Strongest scope

Backend, API, web, Android, and iOS automation

Best-fit teams

Fintech, payments, banking, and product engineering
Portrait of Aleksandr Melostnoi

Novi Sad, Serbia

Oracle Certified Associate, Java SE 8

Current signal

Dasend | fintech product environment | backend and API automation

Deepest tenure

Qiwi | 5+ years | payments, automation strategy, QA leadership

Mobile depth

Home Credit Bank and UCS | Android, iOS, and r_keeper quality work

Teams that usually hire me

Best fit for product teams that need both hands-on automation and senior judgment around release risk.

I am a senior SDET focused on automation for fintech, payment systems, and product engineering teams that cannot afford weak release confidence.

My strongest scope is backend and API automation, with hands-on coverage across web, Android, and iOS, plus quality practices that hold up inside CI/CD.

Recent domain signal

Dasend and Qiwi: backend services, APIs, payment-related flows, and release-critical product workflows.

Mobile depth

Home Credit Bank: Android and iOS automation for banking products. UCS: Android QA leadership for r_keeper in HoReCa.

Working level

Hands-on implementation, automation architecture, mentoring, and practical quality judgment without brittle process overhead.

Recent roles

Experience across fintech, banking, payment systems, and operational product environments.

Apr 2024 - Present

Serbia - Remote

Dasend

Senior Software Engineer in Test / SDET

Drive test automation and quality assurance for a fintech product environment. Build and maintain automated test coverage for backend, API, and key product workflows. Collaborate with engineering and product teams to improve release confidence and delivery quality. Contribute to sustainable QA practices, CI/CD integration, and reliable regression coverage.

  • Backend and API automation for release-critical workflows.
  • Regression confidence aligned with CI/CD delivery.
  • Cross-functional collaboration with engineering and product teams.

Feb 2019 - Apr 2024

Moscow City, Russia - Remote

Qiwi

Senior Software Development Engineer in Test

Led QA specialists across multiple teams and drove test automation strategy for fintech and payment products. Designed and maintained automated test frameworks for backend services, APIs, web flows, and payment-related systems. Integrated automated checks into CI/CD pipelines to improve release confidence and reduce manual regression effort. Collaborated with developers, analysts, and product teams to improve test coverage, defect prevention, and delivery reliability. Mentored QA engineers in automation, test design, tooling, and quality practices.

  • QA leadership across multiple teams.
  • Automation strategy for backend, API, web, and payment flows.
  • Mentoring and practical quality standards for QA engineers.

Sep 2018 - Feb 2019

Moscow, Russia - On-site

Home Credit Bank

Senior Software Engineer in Test

Focused on mobile test automation for banking products across Android and iOS devices. Built and maintained automated coverage for mobile application flows, backend/API integrations, and key customer scenarios. Collaborated with QA, development, and product teams to improve release confidence for mobile banking releases.

  • Android and iOS mobile automation.
  • Coverage for mobile flows and backend/API integrations.
  • Release confidence for mobile banking deliveries.

Jan 2018 - Sep 2018

Voronezh, Russia - On-site

UCS

Android QA Lead / QA Automation Engineer

Led Android test automation and quality activities for r_keeper, a HoReCa product ecosystem used in restaurant and hospitality operations. Coordinated testing activities, improved automated coverage, and supported release quality for business-critical mobile workflows. Worked closely with product and engineering teams to identify risks, validate fixes, and improve delivery reliability.

  • Android test automation leadership for r_keeper mobile workflows.
  • Quality support for HoReCa product releases.
  • Risk-focused collaboration with engineering and product teams.

Technical focus

A recruiter or hiring manager should be able to scan the scope in under a minute.

Automation and quality

SDETQA AutomationAPI TestingBackend TestingWeb TestingMobile Test AutomationAndroid Test AutomationiOS Test Automation

Stack and tooling

JavaKotlinTypeScriptREST AssuredSeleniumSpring BootDockerJenkins

Delivery and collaboration

CI/CDQuality EngineeringRegression CoverageTest FrameworksCross-functional DeliveryMentoring

Domain and languages

FintechPayment SystemsBanking ProductsHoReCaRussian - NativeEnglish - Elementary working communication, reads technical documentationSerbian - Elementary

Education, certification, and earlier roles

The recent experience is the strongest signal. Earlier roles stay visible without diluting the core message.

Education

  • Voronezh State Technical University Engineer - Aircraft and Helicopter Engineering

Certification

  • Oracle Certified Associate Java SE 8 Programmer - November 2016

Earlier experience

  • Quality Assurance Automation Engineer - Antera (Jan 2017 - Jan 2018)
  • Software Engineer - T1 Consulting (Jan 2015 - Jan 2017)
  • Web Developer - Uz-DaewooAuto (Apr 2014 - Jan 2015)

Open to SDET and QA Automation roles where quality work has real product impact.

Best fit: product teams where backend, API, web, mobile, and CI/CD quality all matter to release decisions.