Software Engineer .NET

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.
• Proficiency in object-oriented programming concepts, algorithms, and data structures.
• Continuous focus on enhancing skills in software architecture design, DevOps practices, and product development.
• Strong orientation toward task automation to save time and effort.
• Implementation of improvements and optimizations in daily operations.
• Planning and managing complex multi-system deployments without impacting client operations.
• Ability to balance the demands of delivering high-quality software within tight deadlines.
• Programming across multiple languages.
• Experience with Agile methodologies and DevOps practices.
• Expertise in cloud infrastructure automation.
• Knowledge and experience in use of design patterns
• University or FP degree in Software Engineering
• Proficiency in English is required for this role

What will make you stand out?

• Experience with:
• C# .NET
• TypeScript
• JavaScript / React (or any other JS framework)
• Amazon Web Services

What do we offer?

 Clear and transparent compensation plan. The salary range goes from 34,000 € to 50,000 €. We will discuss the indicated range with you in the first recruiting call to ensure that we are on the same page.

 Flexible 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.

 Annual Salary Review

We’re committed to recognizing your professional growth. Every year, we review salaries to reflect your individual development, achievements, and impact on our business success.

 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.

  Holistic wellness program

Includes access to Wellhub, Curalinc (psychological support), Rocketlawyer (legal advice), and regular health webinars & challenges.

 Volunteer day

Take one day off a year  to volunteer and give back. Bonus points for sharing pics on Slack!

 Free therapy vouchers

Because your mental health matters.

 Health & wellness support

Get up to  €55/month  to cover your gym or fitness classes (yoga, boxing, pilates, etc.).

  Weekly language classes

Improve or learn a new language (English, Spanish, French, Italian, or German) in small groups with expert instructors-on us!

 Time for health

Get 8 hours per year  for personal medical appointments and 10 hours per year  to support your family’s medical needs.

 Work-life balance

We’re flexible and people-first. We know life happens, and we aim to make work work for you.

 Inclusive, upbeat culture

No suits here-just a welcoming, casual, and respectful space where diversity is celebrated, and you can be your full self.

 A global, multicultural team

We’re made up of 20+ nationalities, speaking 10+ languages. All communication is in English, so everyone’s included.

 Packlink Pro discount

Enjoy 99% off  your personal shipments using our platform.

 Referral bonuses

Know someone amazing? Earn €1K-€3K  when you refer candidates we hire-depending on the role.

 Central Madrid office

When you want a change of scenery, drop by our office in the heart of Madrid-free snacks and drinks included!

 Team events

We work hard and play hard with regular team-building activities and meetups.

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