QA Engineer

Summary

Join Ostrom, a leading European energy management platform company, as a Mid-level QA Engineer. You will be a key member of cross-functional product squads, ensuring high-quality software delivery across mobile and web platforms. Your responsibilities include owning mid-sized QA initiatives, designing automated test suites, performing manual and automated testing, collaborating with developers and product managers, suggesting process improvements, and mentoring other QA team members. You will contribute to a strong QA culture and support release monitoring. Ostrom offers a hybrid work model, relocation support, a trust-based team culture, and personal development opportunities.

Requirements

• 3+ years of experience in software QA, across both manual and automated testing
• Skilled in writing and maintaining test automation for mobile applications
• Solid understanding of SDLC, Agile practices, and the testing pyramid
• Proficient in API testing (e.g., Postman) and testable code practices
• Familiar with SQL and database testing, especially PostgreSQL
• Confident with Git, CI pipelines, and mobile test automation frameworks
• Strong communication and collaboration skills
• Ability to assess QA risk in terms of business impact and communicate clearly
• Eager to mentor, learn, and contribute to customer-focused product development

Responsibilities

• Own mid-sized QA initiatives and lead test planning within your squad
• Initiate, Design and maintain automated UI and API test suites
• Write robust test cases covering edge cases, failure paths, and key user flows
• Perform manual and automated testing for new features and releases
• Collaborate with developers and product managers to scope QA efforts and identify risks early
• Suggest process improvements and help resolve recurring quality issues
• Participate in sprint planning and kick-offs, contributing test strategies and timelines
• Support release monitoring using observability tools and metrics
• Mentor other QA team members through pairing, reviews, and documentation
• Share knowledge and help foster a strong, collaborative QA culture

Preferred Qualifications

Experience using observability tools for post-release validation

Benefits

• Hybrid work model with a dog-friendly office in Berlin, Mitte
• Relocation package (visa and relocation support)
• Annual growth budget, frequent development 1:1’s and development cycles held twice a year
• Monthly team events
• Discounted gym membership
• Ticket for public transport
• E-Moped or e-Bike via Dance
• Futurebens
• Monthly vouchers