We make it possible for businesses to meet the ever-changing requirements of their industry and customer expectations. The Auctane family of mailing and shipping software products includes ShipStation, Stamps.Our partners include Amazon, UPS, USPS, eBay, BigCommerce, Shopify, WooCommerce, and Walmart. 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. 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. Tackling complex problems requiring deep analysis and evaluation of diverse factors. Maintaining openness to communication with both local and external partners.





Experience in designing and developing advanced software systems. Proficiency in object-oriented programming concepts, algorithms, and data structures. Continuous focus on enhancing skills in software architecture design, DevOps practices, and product development. Planning and managing complex multi-system deployments without impacting client operations. Ability to balance the demands of delivering high-quality software within tight deadlines.

Experience with Agile methodologies and DevOps practices. Expertise in cloud infrastructure automation. Proficiency in English is required for this role C# .NET TypeScript JavaScript / React (or any other JS framework) Amazon Web Services Versátil salary benefits Save on personal income tax with Cobee for expenses like transport, restaurants, and kindergarten.

Private health insurance Free for all employees via Cigna, plus we cover 50% for your family members. Generous time off Enjoy 26 days of holiday per year (23 base days + your birthday off, Christmas Eve, and New Year's Eve). Your gear, your choice Whether you prefer Mac or Windows, or need an extra screen, we'll make sure you're set up for success from day one.

Grow your skills We offer up to €2000/year in training (certifications, conferences, workshops) to boost your growth-both technical and personal. Learning resources Access internal and external training, including platforms like LinkedIn Learning, completely free.

📌 Junior Software Engineer (.NET/C#) (Madrid)
🏢 Auctane
📍 Madrid