Software Engineer .NET
Auctane , Madrid, ES +1
- Pay
- Not listed by the employer
- Work type
- Not stated
- Level
- Not stated
- Area
- Software engineering
- Posted
- Aug 25, 2026
About the role
About us
At Auctane, we are united by a passion to help businesses deliver — whatever their size, wherever they are, and however they operate. We make it possible for businesses to meet the ever-changing requirements of their industry and customer expectations. Auctane products enable hundreds of thousands of businesses to annually mail and ship billions of items — over $200 billion worth — to recipients around the globe.
The Auctane family of mailing and shipping software products includes ShipStation, Stamps.com, ShipStation API, Metapack, GlobalPost, and Packlink. Our partners include Amazon, UPS, USPS, eBay, BigCommerce, Shopify, WooCommerce, and Walmart.
Our values
Win as One. Delight Customers. Deliver Great Outcomes.
About the role
As a Software Engineer, you will play a key role in designing, developing, and maintaining advanced software solutions. You will be responsible for leading projects, participating in strategic technology decision-making, and mentoring less experienced team members. Your expertise in programming and software engineering will be essential for achieving project goals and ensuring the delivery of high-quality products. This role is based in Madrid, Spain.
What will you be doing?
- Designing system architectures and developing complex software components while considering both functional and non-functional requirements.
- Creating high-quality software code in accordance with industry best practices and standards.
- Managing software testing processes, identifying and resolving issues, and optimizing system performance and scalability.
- Delivering cloud-oriented API-based components and microservices adhering to the highest engineering standards.
- Mentoring junior team members by providing technical support, guidance, and sharing knowledge and experience to facilitate their professional growth.
- Influencing team direction and task prioritization.
- Tackling complex problems requiring deep analysis and evaluation of diverse factors.
- Collaborating closely with other departments, such as production teams, and management, to ensure solution consistency and compliance.
- Engaging in effective cooperation with team members.
- Working collaboratively with internal and external stakeholders.
- Inspiring and facilitating constructive discussions around complex topics.
- Providing timely, concise, and actionable feedback to team colleagues.
- Promoting a knowledge-sharing mindset.
- Participating in recruitment interviews for your team.
- Maintaining openness to communication with both local and external partners.
- Developing mentoring skills, fostering learning, and sharing deep engineering expertise with peers.
What are we looking for?
- Experience in designing and developing advanced software systems.
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Listed on Auctane 's Greenhouse job board; checked 15 min ago. First seen by us 23 h ago. Being listed doesn't mean the team is actively interviewing. We found this board in a public directory and haven't yet confirmed it against the company's own careers page.