Full Stack Software Engineer

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 Fullstack Developer, you will contribute to the development and maintenance of our web applications using React and .NET. You will collaborate with Product and Design teams to implement high-quality features and ensure the best user experience. This role requires strong problem-solving skills, the ability to work independently on assigned tasks, and a desire to grow in a dynamic team environment.

What will you be doing?

Develop and maintain web applications using React and .NET .

Implement and integrate RESTful APIs with front-end components.

Optimize applications for performance , scalability , and security .

Collaborate with product managers, UX / UI designers, and other developers to deliver high-quality features.

Write clean, efficient , and maintainable code with comprehensive documentation.

Conduct code reviews and participate in team discussions to ensure adherence to best practices.

Troubleshoot and resolve issues across the application stack.

Stay updated with industry trends and best practices.

What are we looking for?

2+ years of experience in web development with React and .NET (in total).

Proficiency in React , including React Hooks, Redux, and component-based architecture.

Solid understanding of JavaScript (ES6+) and TypeScript .

Experience with source control systems and branching strategies (e.G., Git ).

Understanding of RESTful APIs and third-party library integrations.

Exposure to testing frameworks such as Jest, React Testing Library, or Cypress.

Ability to work independently on assigned tasks while collaborating effectively in a team.

Strong communication and organizational skills.

What will make you stand out?

Bachelor's degree in Computer Science or a related field.

Experience with AWS services.

Familiarity with system architectures, design patterns and programming good practices.

Knowledge of build tools like Webpack or Vite.

Experience with responsive and mobile-first design principles.

The tech stack

React, JavaScript (ES6+), TypeScript C# .Net Mobile applications development technology (Kotlin, React Native etc.) (optional) Amazon Web Services (optional)

What do we offer you?

️ 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.

99% discount on your personal shipment orders via Packlink.Pro

Up to 500PLN / year to match your NGO donations ! We are happy to support your initiatives by duplicating the amount donated.