Konstantin Pletenev

Head of QA · Test Automation Architect · QA Leader / Engineering Manager · Software Engineer in Test

QA leader with 14+ years building quality engineering functions from scratch, leading high-performing teams, and integrating AI and LLM agents into testing workflows. Currently QA Team Lead at Zencoder, based in Porto, Portugal.

About Me

QA leader focused on business impact, automation, and growth-minded teams

Head of QA / Test Automation Architect

QA leader with 14+ years of experience building scalable QA processes, leading high-performing teams, and delivering measurable business impact through automation and AI integration. Experienced across mobile, web, and backend platforms with a focus on reliable releases and continuous improvement.

Experience 14+ years
StatusMarried
Location Porto, Portugal
e-mailkonstantin@pletenev.dev
Phone+351 910 897 088
LanguagesEnglish (fluent), Russian (fluent), Portuguese (basic), Latvian (basic)

What I Do

QA Strategy and Leadership

Build QA organizations, define testing strategy, and align quality goals with business outcomes.

Test Automation Architecture

End-to-end automation frameworks across unit, integration, contract, and E2E testing.

Mobile, Web, and Backend Quality

QA for iOS/Android, web, and backend systems with automation and monitoring.

AI-Driven QA

LLM-based tools for test case generation, requirement analysis, and faster feedback loops.

Fun Facts

Years in QA

14+

QA team size

CSAT improvement

80%

Max downtime

Resume

14+ Years of Experience

Experience

May 2025 - Present

Zencoder Porto, Portugal

Quality Assurance Team Lead

Focus: Leading QA strategy and automation for product teams, with emphasis on release readiness and fast feedback cycles.

Highlights: Scaling quality processes and mentoring engineers to improve reliability and delivery speed.

Jun 2024 - May 2025

Zing Coach Porto, Portugal

Head of Quality Assurance

Focus: QA leadership for AI fitness mobile app, web portal, and recommendation engine.

Highlights: Release train management, App Store / Google Play submissions, and automation with Appium, WebdriverIO, and TypeScript.

Mar 2022 - Jun 2024

WANNA (Farfetch Group) Porto, Portugal

Head of QA

Focus: Built QA team of 8 and integrated QA into CI/CD and release processes.

Highlights: Designed 3-level SLA support process, reduced downtime to max 2 hours, and improved customer satisfaction by 80%. Led QA for iOS/Android/Mobile Web and backend testing with Python automation.

Jun 2015 - Feb 2022

Accenture Latvia Latvia

Test Automation Lead / Architect

Focus: Led QA automation teams (2–10 engineers) for backend and Big Data systems.

Highlights: Designed automation frameworks across acceptance, functional, integration, contract, and E2E testing. Shifted testing model to a quality pyramid for better coverage and efficiency.

Oct 2012 - May 2015

Adicom Systems Russia

QA Engineer

Key QA in an Agile web development team working with public sector institutions.

Nov 2011 - Sep 2012

DEEP 2000 Russia

QA Engineer

Software testing for queue management systems (server and client software), defect analysis, and solution proposals.

Education

2019

ISTQB®

Certified Tester Advanced Level

Test Automation Engineering (ID: 19-CTAL-TAE-162484-06)

2011 - 2013

Russian State Technological University

Master's Degree in Computer Science

2007 - 2011

Russian State Technological University

Bachelor's Degree in Computer Science

Test Automation Skills

QA Strategy & Leadership

95%

API & Backend Testing

90%

Mobile Testing

85%

Web Testing

85%

CI/CD Integration

70%

Automation Frameworks

100%

Test management skills

Test Strategy

85%

Release Management

100%

Quality Metrics

100%

Coding Skills

Java

85%

TypeScript

80%

Python

80%

REST APIs

75%

AWS

50%

SQL/HQL

50%

LLM Experience

Claude

90%

Codex

75%

Ollama

65%

Google Stack

60%

Language skills

English

90%

Russian

100%

Portuguese

30%

Latvian

30%

Download CV

Portfolio