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Senior FullStack QA Engineer (Python, Backend, API)

reppls (techstars '24) • Poland
Remote
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AI Summary

Seeking a Senior FullStack QA Engineer to ensure product quality across the entire lifecycle. Responsibilities include manual and automated testing, focusing on backend and API quality using Python. Requires 5+ years of QA experience, strong Python automation skills, and understanding of distributed systems.

Key Highlights
Focus on backend and API quality with Python automation.
Involvement across the complete product quality lifecycle.
Opportunity to influence QA processes and architecture.
Key Responsibilities
Participate actively in the Scrum team.
Analyze requirements before testing begins.
Perform both manual and automated testing.
Participate in product releases.
Create and maintain test documentation, including checklists, test cases, and quality reports.
Automate test cases using the existing framework.
Perform functional and exploratory testing.
Test frontend functionality as well as backend services and APIs, with a particularly strong focus on backend/API testing.
Test message queues and system integrations.
Execute different types and levels of testing depending on product needs.
Maintain and extend the automation testing framework.
Contribute to the development of testing tools, including Mocks.
Participate in quality-process architecture.
Contribute to estimations and test-case design.
Help improve CI/CD processes.
Coordinate testing activities with developers and other QA Engineers.
Evaluate overall product quality.
Proactively influence and improve QA processes.

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Technical Skills Required
Python PyTest REST APIs
Benefits & Perks
Flexible benefits budget (€230/month)
Fully remote work
Budget for courses, certifications, and professional development

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Nice to Have
Load, stress, or performance testing experience.
Kubernetes experience.
Previous experience in Fintech, Blockchain, or another complex domain with heavy business logic and integrations.

Job Description

Senior FullStack QA Engineer with Python

Location: Remote — European Region Employment Type: Full-time Team: Back Office Engineering — FinApp Team

Who are we?

We are an engineering organization with more than 120 engineers and over 11 years of industry experience, bringing together expertise across software engineering, infrastructure, security, and R&D.

Our teams have extensive experience building sophisticated distributed systems and blockchain infrastructure operating across 20+ blockchain networks.

While the engineering brand itself is evolving, the expertise behind it has been built over more than a decade of solving complex technical problems in the blockchain and fintech space.

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Job Overview
Posted Date Oct 06, 2026
Employment Type Full-time
Experience Level Mid-Senior level
Location Poland
Category Testing
Company reppls (techstars '24)
Mentioned Skills
python message queues elk ui kubernetes scrum sql blockchain

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