Senior Software Engineer - Java

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 Engineering team

Following a successful year of engineering growth in Poland, we're continuing to expand our teams and strengthen our presence in the region. Our Polish hub is a key part of our engineering organization, bringing together talented people who work on complex, international products and collaborate across a global environment.

As we continue to grow, we're looking for people who are excited by new challenges, enjoy working with experienced teams, and want the opportunity to make a meaningful impact while continuing to develop their skills and career.

About the role

As a Senior Software Engineer, you will lead the architecture and evolution of our test automation platform and drive continuous improvement across our Speedship engineering ecosystem. You'll architect solutions, mentor junior engineers, and make strategic decisions about framework design and engineering best practices.

At Auctane, we value professionals at every stage of their career journey. When applying for this position, please note that we'll assess your profile and skills based on your experience level. Our goal is to build a diverse and complementary team that brings together different perspectives and levels of expertise. If you're excited to contribute to a newly formed team, we'd love to hear from you!

What will you be doing?

• Design and architect core components of our Playwright-based test automation framework

• Lead platform engineering decisions and establish architectural best practices

• Mentor junior software engineers and conduct technical code reviews

• Develop comprehensive testing strategies for complex feature sets

• Optimize system performance, reliability, and maintainability across the platform

• Diagnose and resolve complex infrastructure and framework issues

• Collaborate with product and engineering teams to define testability requirements

• Evaluate and implement new tools, frameworks, and engineering techniques

• Establish and maintain test data management and infrastructure strategies

• Drive documentation, knowledge sharing, and engineering standards

• Manage technical debt and refactor systems for scale and performance

What are we looking for?

• Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent professional experience)

• + 3 years of experience with Java 17+ and Spring Boot / Spring Framework, and at least 5 years total experience in the software development field

• Demonstrated ability to architect and lead technical initiatives

• Proven ability to architect and maintain large-scale software systems

• Strong software engineering fundamentals with focus on code quality and scalability

• Leadership capability without requiring formal management title

• Initiative to identify and solve problems proactively

• Passion for continuous improvement and staying current with engineering practices

• Collaborative approach to working across teams

• Ability to balance pragmatism with technical excellence

• Experience advocating for quality and engineering rigor within organizations

• Proficiency in Polish and English is required for this role

What will make you stand out?

Previous experience in test automation with Playwright and/or Selenium

Tech stack

• Core Platform: Java 21, Maven, TestNG, Extent Reports, Custom Playwright Framework

• Infrastructure & Deployment: Jenkins, Docker, Kubernetes, AWS, GitHub/Bitbucke

• Architecture & Patterns: Google Guice, Page Object Model, Data-driven Design, Excel/JSON/XML, OpenCSV

• Data & Search: Elastic Search, OpenSearch, Jackson JSON, SQL Databases

• AWS Services: S3, Secrets Manager, STS, RDS (IAM Auth)

• Libraries & Integrations: Lombok, LaunchDarkly, Xray, PDF Processing, Image Processing

What do we offer?

🏢💻Hybrid Framework - The best of both worlds! Work from home when you need focus and flexibility, and spend 2 days a week in the office for face-to-face collaboration, sharing ideas and catching up with the team. Because some things are simply better together!

📙 Personal Training Budget. Up to 7.000 year training budget (certifications, conferences attendance, etc.) to invest in your professional development. We want to help you improve your technical skills, feel involved in the product community, and develop your soft skills to lead teams and manage other stakeholders.

📺 Internal and external training, free access to online training platforms such as Linkedin Learning

🗺️ Languages classes every week. Thirsty for knowledge? Learn a new language by joining our free English/Spanish/German classes. You can connect and enjoy taking up a new language or improving your current skills with one of our great instructors.

💜 Lunch card. Enjoy a subsidized lunch card and grab a meal with your teammates — because the best conversations often happen over lunch!

🏥 Free private medical insurance. Take care of your health with private medical care fully covered by us

📄 Attractive life insurance. Extra peace of mind for you and your loved ones.

🏐 Co-financed Multisport card - We support an active lifestyle because staying healthy and feeling good matters.

😊 Volunteer day. You can take 16 hours per year in order to participate in volunteering activities! We will love to see some pictures in our slack!

🌅 Up to 30 days of vacation per year (additional days are granted along with seniority at AUCTANE).

💙 Up to 1000 PLN/year PLN/year to match your NGO donations! We are happy to support your initiatives by duplicating the amount donated.

👩‍⚕️We have an Employee Assistance Program with psychological assistance free of charge for you and your loved ones.

🗓️ Annual Salary Review: We are reviewing the salaries of all our teams annually in order to evaluate an increase according to individual performance and the business results.

Referral Fee 🔗 We need your support in hiring top-class talent! We offer a referral bonus of 4k-20k PLN, depending on the complexity of the role and the hiring process.

💜 An inclusive and upbeat work environment Leave your suit behind... we’re a t-shirt and converse kind of place! More importantly, our company culture promotes diversity and inclusion. The personality and opinions of each of our team members are important and valid, and we aim to offer all employees a safe environment where they can be themselves and thrive.

🌍 A cross-cultural atmosphere We are a truly international team of 20 nationalities that speak 10 languages. Our company language is English and all internal communication and company-wide meetings are in English.

🏟️ Company events We do our best every day, even at our regular team-building events.

🏢 Nice Office in Zielona Gora and Wroclaw (free drinks, snacks…)

Do you want to know a little bit more about the team? Please, don’t hesitate to reach out to Amazing Auctane-PL and our Instagram

#LI-HYBRID