Senior Data Scientist

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 Data Scientist, you will solve challenging logistics and optimization problems to make our customers more successful. You will analyze large amounts of data from a variety of sources, discover and solve real world problems, and develop metrics and business cases that will enable us to continually delight Auctane customers. The ideal candidate will be a self-starter, highly analytical, and intensely detailed with a strong customer focus.

What will you be doing?

• Design, build and deploy ML systems that help our customers work and ship more efficiently.

• Lead cross-functional initiatives to put your work in the hands of our customers.

• Mentor junior data scientists on the team.

• Measure and continuously improve the accuracy of predictive models.

• Use AI & ML to incorporate additional unstructured datasets into our ML models.

• Orchestrate and automate scalable model pipelines in production environments.

• Effectively document and communicate methodologies and results.

• Use data to inform and influence the direction of the product roadmap.

• Research and develop new models to solve key business challenges.

• Use visualization & reporting to improve the ways in which our team accesses and interprets datasets.

• Keep up-to-date with recent developments in AI / ML.

What are we looking for?

• 5+ years’ experience working as a data scientist or machine learning engineer.

• Proven experience designing, building, and deploying machine learning models in production.

• Excellent Python and SQL skills for data manipulation, analysis, and ML development.

• Strong grasp of data-engineering best practices and working with large, complex datasets.

• Strong collaboration and communication skills with cross-functional teams (e.g., product, engineering, design)

• Experience using data to influence product or business decisions.

• Experience with software development practices, version control (e.g., Git), and basic code modularization.

What will make you stand out?

• Proven track record of leading end-to-end ML projects

• Deep expertise or leadership in one or more of the following areas: Financial Fraud Geospatial analysis (Graph) Neural Networks Cloud-native ML workflows on AWS, GCP or Azure (e,g. Sagemaker, Vertex AI, Azure ML)

• Experience deploying AI agents & RAG pipelines

What do we offer?

• 💸 Clear and transparent compensation plan. The salary range goes from 54,000 to 66,000 €. We will discuss the indicated range with you in the first recruiting call to ensure that we are on the same page.

• 💰 Flexible salary benefitsSave on personal income tax with Cobee for expenses like transport, restaurants, and kindergarten.

• 🩺 Private health insuranceFree for all employees via Cigna, plus we cover 50% for your family members.

• 🌅 Generous time offEnjoy 26 days of holiday per year (23 base days + your 🎂 birthday off, Christmas Eve, and New Year’s Eve).

• 💻 Your gear, your choiceWhether 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 ReviewWe’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 skillsWe offer up to €800/year in training (certifications, conferences, workshops) to boost your growth—both technical and personal.

• 📺 Learning resourcesAccess internal and external training, including platforms like LinkedIn Learning, completely free.

• 🧘‍♂️ Holistic wellness programIncludes access to Wellhub, Curalinc (psychological support), Rocketlawyer (legal advice), and regular health webinars & challenges.

• 😊 Volunteer dayTake one day off a year to volunteer and give back. Bonus points for sharing pics on Slack!

• 👩‍⚕️ Free therapy vouchersBecause your mental health matters.

• 🏐 Health & wellness supportGet up to €55/month to cover your gym or fitness classes (yoga, boxing, pilates, etc.).

• 🗺️ Weekly language classesImprove or learn a new language (English, Spanish, French, Italian, or German) in small groups with expert instructors—on us!

• 🏥 Time for healthGet 8 hours per year for personal medical appointments and 10 hours per year to support your family’s medical needs.

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

• 💜 Inclusive, upbeat cultureNo suits here—just a welcoming, casual, and respectful space where diversity is celebrated, and you can be your full self.

• 🌍 A global, multicultural teamWe’re made up of 20+ nationalities, speaking 10+ languages. All communication is in English, so everyone’s included.

• 📦 Packlink Pro discountEnjoy 99% off your personal shipments using our platform.

• 🔗 Referral bonusesKnow someone amazing? Earn €1K–€3K when you refer candidates we hire—depending on the role.

• 🏢 Central Madrid officeWhen you want a change of scenery, drop by our office in the heart of Madrid—free snacks and drinks included!

• 🏟️ Team eventsWe work hard and play hard with regular team-building activities and meetups.

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