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Software Test Engineer

Walaris • Zagreb, Croatia

onsitefull-time
Posted Sep 30, 2026Apply by Oct 30, 2026

**Role & seniority: ** Software Test Engineer (m/ž/d), based on the posting level not explicitly stated (junior/mid/senior not specified).

**Location & work type: ** Zagreb office, Croatia; work type not specified (implied on-site/office-based). Start ASAP.

**Stack/tools: **

  • Python

  • Linux

  • GitLab CI/CD pipelines

  • Docker

  • Pytest

  • Automated integration & system testing frameworks

  • SW-QA process/metrics, software tool chain optimization

  • GitLab, Docker, Pytest are preferred (not strictly required)

**Top 3 responsibilities: **

  • Plan/implement/develop/maintain software-based test solutions for real-time AI/ML image processing systems.

  • Improve SW-QA processes (process requirements and metrics).

  • Implement and maintain automated integration and system tests, analyze failures, and propose fixes with cross-functional teams.

**Must-have skills: **

  • Degree (CS/related) or vocational IT specialist training.

  • Strong Python programming skills.

  • Working knowledge of Linux environments.

  • Experience integrating automated tests into a test framework.

  • English fluency.

**Nice-to-haves: **

  • Experience with GitLab pipelines, Docker, Pytest.

  • ISTQB certification.

Full Description

Walaris designs and develops AI-driven, software-defined, and hardware-enabled autonomous systems for defense and security applications. Our software platform uses artificial intelligence, sensor fusion, and edge computing to provide real-time situational awareness for air, land, and sea domains, enabling rapid decisions at machine speed. Our cutting-edge technology is utilized by customers across the defense, national security, government, marine, and critical infrastructure protection markets worldwide. At our office in Zagreb, we are looking for a Software Test Engineer (m/ž/d) starting as soon as possible. Responsibilities Oversee planning, implementing, developing, and maintaining software-based test solutions for our real-time AI/ML image processing systems Continuously ameliorate SW-QA processes by enhancing the process requirements and metrics Ensure the optimization of the software tool chain to provide the best possible environment for our development team Collaborate with our cross-functional teams to perform software risk management Implement automated integration and system tests Analyze software problems and propose solutions together with our cross-functional team

Requirements

Degree in computer science, business informatics, mathematics or a similar field, or vocational training as an IT specialist Proficient with programming languages and bring excellent knowledge of Python Familiar with Linux environments Experience in integrating automated tests into a test framework First-hand experience with GitLab pipelines, Docker, and Pytest preferred ISTQB certification is a plus Fluent in English

Benefits

Join our mission and become part of an innovative, dynamic team! At Walaris, you'll play a vital role in saving lives and safeguarding local and national security by harnessing the power of cutting-edge technologies. This is your chance to break new ground and take on meaningful responsibility as you help develop and deploy industry-defining solutions. We offer creative freedom, competitive compensation, and a fast-paced, collaborative environment where your ideas and contributions truly matter.

PythonLinuxAutomated TestingIntegration TestingSystem TestingTest FrameworksGitLab PipelinesDockerPytestSoftware Quality AssuranceSoftware Risk ManagementAI/ML Image ProcessingSensor FusionEdge ComputingEnglishmulti-location

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