About Auctane
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.
As a Software Engineer, you will be responsible for designing, developing, testing, and supporting enterprise integrations. This role will partner with business stakeholders, architects, developers, and operations teams to build scalable, secure, and reusable APIs and integrations that enable critical business processes across the ShipStation Global ecosystem. This role is based in Madrid, Spain.
Responsibilities
•Design, develop, test, deploy, and maintain integrations
•Build and support API-led connectivity solutions utilizing System, Process, and Experience APIs
•Develop integrations utilizing REST APIs, SOAP Web Services, EDI, XML, JSON, flat files, and database technologies
•Implement event-driven and asynchronous integration patterns using messaging technologies
•Collaborate with architects and technical leads to define integration standards, best practices, and reference architectures
•Participate in requirements gathering and technical design sessions with business and technology teams
•Develop and maintain DataWeave transformations for data mapping and orchestration
•Troubleshoot production integration issues and participate in root cause analysis activities
•Support CI/CD pipelines and automated deployment processes
•Monitor and optimize integration performance, reliability, and scalability
•Conduct peer code reviews and ensure compliance with development standards
•Create and maintain technical documentation, API specifications, and operational runbooks
•Work closely with infrastructure and security teams to ensure secure integration implementations
What are we looking for?
•3+ years of software development experience and 2+ years of experience developing integrations
•Experience building RESTful APIs and web services, API design and API lifecycle management
•Experience implementing integrations using XML, JSON, XSD, and DataWeave
•Experience working with relational databases and SQL
•Experience integrating cloud applications
•Experience with Git-based source control systems
•Experience supporting CI/CD pipelines and automated deployments
•Experience troubleshooting complex distributed systems
•Strong analytical and troubleshooting abilities
•Excellent verbal and written communication skills in both Spanish and English
•Ability to work effectively with business and technical stakeholders
•Strong organizational and time-management skills
•Ability to manage multiple priorities in a fast-paced environment
•Critical thinking and problem-solving capabilities
•Commitment to continuous learning and technical excellence
Requirements / nice to have
•MuleSoft Developer Certification (Mule 4)
•MuleSoft Integration Architect certification
•Experience with AWS, S3, and SQS or hybrid cloud environments
•Experience with EDI transactions and B2B integrations
•Experience with Salesforce, ERP, CRM, TMS, or transportation/logistics systems
•Experience with monitoring tools such as Datadog, Splunk, or similar platforms
•Experience supporting enterprise-scale integration platforms
Benefits
•Up to €2000/year in training (certifications, conferences, workshops)
•Learning resources: free access to internal and external training, including platforms like LinkedIn Learning
•Holistic wellness program: Wellhub, Curalinc (psychological support), Rocketlawyer (legal advice), regular health webinars & challenges
•One paid volunteer day per year
•Free therapy vouchers
•Up to €55/month to cover gym or fitness classes
•Weekly language classes (English, Spanish, French, Italian, or German) in small groups
•8 hours per year for personal medical appointments and 10 hours per year to support family's medical needs
•Flexible, people-first work-life balance
•Inclusive, casual, upbeat culture; team of 20+ nationalities speaking 10+ languages, with all communication in English
•99% discount on personal shipments via Packlink Pro
•Referral bonus of €1K–€3K depending on the role
•Central Madrid office with free snacks and drinks
•Regular team-building events and meetups
Compensation and conditions
•Clear and transparent compensation plan. The salary range goes from 40,000 € to 52,000 €. The range will be discussed in the first recruiting call.
•Cobee benefits card to save on personal income tax for expenses like transport, restaurants, and kindergarten
•Private health insurance free for all employees via Cigna, plus 50% coverage for family members
•26 days of holiday per year (23 base days + birthday off, Christmas Eve, and New Year's Eve)
•Choice of Mac or Windows equipment, plus an extra screen if needed
•Annual salary reviews reflecting individual development, achievements, and impact on business success
