Senior Software Engineer (Python) - Trust Assurance

Allegro sp. z o.o. is a company based in Poznań, Poland, focusing on building backend systems to maintain safety and compliance for millions of users on its platform. The team consists of 6 senior engineers working on data-sharing, transparency platforms, and automation using modern technologies including JVM languages, Python, BigQuery, and Spark.

• Proficient in Python and willing to expand skills to JVM languages (Kotlin).
• Comfortable with Google Cloud Platform tools, especially BigQuery and Dataproc.
• Strong sense of ownership and mission to impact user safety.
• Analytical mindset and problem-solving attitude.
• Experience or strong interest in Machine Learning and MLOps is a plus.
• Ability to communicate in English at B2 level or higher.
• Use AI tools to boost productivity while maintaining critical thinking.

• Maintain top-tier safety standards by designing and developing backend systems to minimize fraud and policy violations.
• Design, develop, and maintain high-security internal platforms for trusted data exposure and compliance.
• Build modern abstraction layers handling data flows, auditing, and access control.
• Focus on automation, clean documentation, and code optimization to eliminate repetitive manual work.
• Collaborate within a senior team valuing engineering craftsmanship and architectural autonomy.
• Design solutions that adapt to regulatory landscapes and market dynamics, ensuring marketplace transparency and resilience.
• Utilize a pragmatic tech stack including JVM languages, Python, BigQuery, Spark, and various databases.
• Drive automation in verification processes to improve speed, accuracy, and reduce manual intervention.