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Senior Software Engineer

Wrocław, PL💼 Full-time🗓 2026-09-11 → 2026-09-28

Core

Design and architect components for Auctane's mailing and shipping software products, optimizing system performance and reliability while mentoring junior engineers.

Role type

Senior Software Engineer (.NET)

Builds

Mailing and shipping software products (ShipStation, Stamps.com, etc.) serving hundreds of thousands of businesses globally.

Domain

Logistics / SaaS / E-commerce

Required skills

.NET, Software Architecture, System Optimization, Testing Strategy, Code Review, Technical Debt Management, SQL (MS SQL Server, PostgreSQL), Cloud Infrastructure (AWS)

Preferred skills

Large-scale system architecture, Leadership without management title, Proactive problem solving

Technologies

AWS (Lambdas, EC2, ECS, S3), .NET, MS SQL Server, OpenSearch, PostgreSQL, Google Suite

Responsibilities

Design and architect components; Mentor junior software engineers and conduct technical code reviews; Develop comprehensive testing strategies; Optimize system performance, reliability, and maintainability; Diagnose and resolve complex software and infrastructure issues; Collaborate with product and engineering teams to define requirements.

Seniority

Senior, hands-on IC with mentorship responsibilities

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