Senior QA Engineer – AWS / Cloud

Senior • Remote

Łódź, Poland

Responsibilities:

Design, develop, and execute manual and automated tests for cloud-native security services
Maintain and extend existing automated test suites integrated with CI/CD pipelines
Test REST APIs, backend services, and platform components
Validate cloud-based architectures running on AWS
Participate in sprint planning, reviews, and release readiness
Analyze logs, metrics, and monitoring data to identify issues
Collaborate closely with developers, DevOps, and product teams
You will be the primary QA engineer in the team responsible for shaping testing strategy and quality practices.

Requirements:

5+ years of experience in QA roles, with ownership of quality for complex products.
Proven experience with SaaS products in AWS, including cloud-native and distributed systems.
Strong understanding of Agile SDLC and hands-on work within CI/CD-based delivery.
Deep experience in test design and execution for complex systems, including both manual and automated testing.
Ability to define, build, and scale QA practices, standards, and quality gates within the team.
Familiarity with AWS services such as API Gateway, Lambda, DynamoDB, and CloudWatch.
Strong technical perspective, with the ability to understand system architecture, integrations, and business flows end-to-end.
Excellent communication skills, proactive mindset, and ability to collaborate with multiple integrations and external stakeholders.
Experience building automated testing gates as part of CI/CD pipelines - an advantage
Background in software development or security testing - an advantage
Knowledge of security principles such as access control, secrets management, and identity testing - an advantage
Experience with observability and monitoring tools (Datadog is a plus) - an advantage
Experience with performance, scale, and reliability testing - an advantage
English proficiency at B2 level and Polish proficiency at C1 level.

What we offer:

High‑impact work on a platform used by 100+ enterprise customers
Real ownership and influence on a top‑priority service
Strong engineering culture + developer‑friendly security approach
Flexible forms of employment and working hours (CoE or B2B)
An interesting, challenging job in the dynamically developing Capital Group company
Work on innovative projects using modern technologies
Direct impact on shaping the image of the Capital Group's companies on the market
Possibility to develop competences in a wide range

Transition Technologies PSC

Transition Technologies PSC is a company operating in the technology industry, focusing on providing innovative solutions and services. The company is part of a dynamically developing Capital Group, indicating a larger organizational structure with multiple business units or subsidiaries. Transition Technologies PSC is committed to leveraging modern technologies to drive innovation and efficiency. The company values flexibility, offering various forms of employment and working hours, and emphasizes a collaborative and fast-paced work environment. It is dedicated to employee development, providing opportunities for skill enhancement through technical training, conferences, and language courses. The company also prioritizes a supportive work atmosphere, offering benefits such as mentorship, psychological support, and a range of social and wellness programs. Transition Technologies PSC is distinguished by its focus on cutting-edge projects and its role in shaping the market presence of its Capital Group.

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