Senior Quality Assurance Engineer – Backbone Core (BCO) (all genders)

Company Description

SCAYLE is one of the fastest-growing enterprise commerce platforms in the world, enabling brands and retailers to realize their D2C ambitions. SCAYLE stands for innovation, international collaboration, and a strong focus on data. We believe that stepping outside of our comfort zone and making bold decisions is key to growing both professionally and personally. Instead of seeing problems as obstacles, we approach them as opportunities to find better solutions. We work in an environment that encourages flexibility, creativity, and continuous development. What drives us is the shared motivation to make an impact and actively shape the future of eCommerce.

Job Description

What You’ll Do

Own the QA Strategy: Design, implement, and maintain comprehensive test strategies and automation frameworks for complex features spanning multiple internal systems and core integrations

Risk & Edge-Case Analysis: Analyze product requirements and technical specs to uncover hidden edge cases, deep business logic scenarios, and potential system bottlenecks before code is written

Cross-Functional Leadership: Act as a strategic bridge between Product Management and Engineering, ensuring testing aligns perfectly with client expectations and internal business processes

Data Integrity & Reliability: Lead testing strategies (including regression and contract testing) to safeguard the reliability of high-volume data ingestion, transformation, and distribution pipelines

Drive Quality Culture: Mentor other team members on QA best practices and continuously improve our testing methodologies and CI/CD pipeline integration

Qualifications

What You Bring

Deep Backend Expertise: 6+ years of experience in QA and test automation, with a heavy focus on debugging and validating complex REST backend applications

Technical Mastery: Strong knowledge of HTTP protocols, contract testing, schema validation (OpenAPI/Swagger), and ensuring backward compatibility

Asynchronous Architecture Savvy: Proven experience designing test approaches for background jobs, asynchronous workflows, and high-throughput data sync pipelines

Automation First Mindset: Proficiency with API testing tools and automation frameworks (e.g., Postman, Newman, or language-specific frameworks like Python/Java/Node.js) and integrating tests into CI/CD pipelines

Senior Leadership: Excellent communication skills in fluent English, a proactive mindset for shift-left testing, and a track record of driving agile quality processes

Additional Information

Main Benefits

Flexible working times

40% discount on our ABOUT YOU online shop

Fresh fruits + drinks everywhere

Language courses (German & English)

Free sports courses & reduced price for Wellpass membership

Subsidized public transportation ticket

Free choice of hardware and operating system (Mac, Windows, Linux) also for private usage

Modern office in the city center of Hamburg

International working environment and English as company language

Agile work environment and cross-functional teams

Dog-friendly office

Professional training

Company pension plan

Help in relocation and VISA process

(Benefits may vary depending on location)

Simply apply online via our career page - we will get back to you as soon as possible!

A Place Where You Can Be You

We take it as our responsibility to create an environment where everyone feels welcome, exactly as they are.

Different backgrounds and perspectives make us stronger and shape our culture in ways that matter.

What we stand for internally, we stand for as a brand: acceptance, inclusion, and a fairer approach to fashion.