Senior Functional Tester (m/f/d)

Are you ready to take quality to the next level? At Sofico, we develop Miles , our future-proof platform designed to support the full business lifecycle of automotive finance, leasing, fleet and mobility companies worldwide.

Miles is built with flexibility at its core — from private lease and company car leasing to subscription-based mobility solutions, all managed within one powerful platform.

As a Senior Functional Tester , you are not just validating features — you are safeguarding quality, driving improvements, and shaping the way we test. You play a key role in ensuring our software meets the highest standards while collaborating closely with analysts, developers, and fellow testers across teams.

Your Role

As a Senior Functional Tester, you are responsible for ensuring the functionality, reliability, and overall quality of new and existing features within Miles.

You will:

Design, document and execute functional test scenarios and test cases

Analyze business and functional requirements and translate them into structured test approaches

Detect, document and follow up on defects in close collaboration with development teams

Contribute to test automation initiatives and help improve automation frameworks

Support integration, regression, and performance testing activities

Collaborate with business analysts, developers, and product teams to ensure high-quality releases

Safeguard QA standards, best practices and contribute to continuous improvement

Take ownership of testing initiatives within your domain

As you grow further in this role, you will:

Lead testing efforts across projects or domains

Define and improve quality standards and testing strategies

Mentor junior testers and share best practices

Strengthen automation and performance testing capabilities within the team

Your Interests and Skills

Quality is your passion. You don’t just test software — you understand how systems work, how users think, and where risks might hide.

You combine analytical strength with strong communication skills and enjoy working in a collaborative, Agile environment.

We’d love to see the following aspects as well:

Several years (5+ preferred) of experience in functional testing within an enterprise software product environment

Proven experience testing complex platforms (ERP systems experience is a strong plus)

Strong knowledge of test design techniques and structured testing methodologies

Experience with test automation tools and frameworks

Familiarity with integration testing and performance/load testing

Strong analytical and problem-solving skills

Ability to collaborate closely with both business and technical stakeholders

Leadership mindset with mentoring capabilities

Experience working in an Agile setup

Fluent in English, as we are an international and multicultural company

Who You Are

Adaptable and comfortable in an evolving environment

Detail-oriented without losing sight of the bigger picture

Proactive and solution-driven

A clear communicator who can explain risks and findings effectively

Continuously eager to learn and improve

A team player who also takes ownership

We Offer

A competitive salary paid 14 times a year

Full medical insurance covered by Sofico

€10,46 daily meal allowance for every day worked

Flexibility with adjustable hours and work-from-home options

A sleek, modern office with excellent accessibility and amenities

Tailored six-month onboarding with your own job coach

Exciting team events: think after-work drinks, BBQs, and more