Software Development Engineer in Test (frontend)

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.

Join Our Team as a Software Development Engineer in Test (SDET)!

Are you passionate about building scalable automated testing systems and ensuring the highest standards of quality engineering? We’re looking for an SDET to help shape our testing strategy and make a real impact on our cutting-edge products.

Sounds like your kind of challenge?

What you'll be doing

Define and implement testing strategies across our products.
Collaborate with teams to constantly improve testing strategies for both new and existing products.
Develop clean, elegant, and reusable code to build efficient test systems.
Design and maintain scalable automated testing frameworks to deliver value at pace.
Support software engineers as a subject matter expert and help them test their solutions effectively.
Drive the vision and direction of the testing chapter to uphold high standards of technology and processes.
Work closely with stakeholders across the business to ensure product quality aligns with customer needs.

Note: Detailed project information will be shared during the recruitment process.

What you get in return

Flexible cooperation model – choose the form that suits you best
(B2B, employment contract, etc.)
Hybrid work setup – 2 days per month on-site in Warsaw office
Collaborative team culture – work alongside experienced professionals eager to share knowledge
Continuous development – access to training platforms and growth opportunities
Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
High quality equipment – laptop and essential software provided

Who we're looking for

Excellent programming skills in a modern language (mainly Java and JavaScript/TypeScript).
Hands-on experience with frontend test automation frameworks and CI/CD pipelines.
Background in testing distributed microservices in an agile team.
Knowledge of performance and security testing techniques and tools.
Familiarity with cloud infrastructure (AWS, GCP) and configuration.
Strong understanding of BDD (Behaviour-Driven Development).

Our Tech Environment

Languages & Frameworks: Java, JavaScript/TypeScript, React Native, GraphQL
Infrastructure: AWS, Google Cloud Platform, Kubernetes
Tools: Kafka, CI/CD, automated testing frameworks

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.

Ready to take the next step?

If you're ready to take on this challenge and help us raise the bar in software testing, we’d love to hear from you!

Submit your application! We look forward to reviewing your profile 😊

Know someone who might be a great fit?
Feel free to share this opportunity using the referral link: Mindbox Referrals System