Test Automation Engineer

About Us
Ordo One is a dynamic startup based in Stockholm, Sweden, focused on developing cutting-edge, high-performance trading systems for professional trading firms. Our entire technology stack, from the macOS frontend to the Linux-based server side, is built using Swift. With a proven track record of successfully bringing multiple similar products to market, we’re confident that we will execute our vision for a next-generation trading system. Currently a team of 9, we are looking to expand as we grow and scale our highly available platform.

In early 2025, we’re opening up new positions to help us achieve our next stage of growth.

Why Ordo One?

• Join a small, focused team with a proven track record building innovative products.
• Tackle high-impact projects in a performance-critical trading environment.
• Shape the future of trading technology using a fully Swift-based stack.
• Leverage the latest tools and platforms, including the latest versions of Swift, SwiftUI and macOS and in the future support emerging technologies like Apple Vision Pro.
• Help shape our scalable, highly available trading platform while contributing to the Swift open source community.

Test Automation Engineer
As the owner of our automated testing infrastructure, you’ll play a crucial role in ensuring the reliability and performance of our trading platform. This position goes beyond writing test cases – it involves designing and implementing a comprehensive testing framework that can handle complex trading scenarios, failure and recovery, and overall integration testing across our distributed and highly available Swift-based stack. You will be responsible for building and maintaining the automated testing pipeline that ensures our platform meets the exacting standards required in professional trading environments.

Key Responsibilities

• Design and implement a robust automated testing framework using Swift and relevant testing tools.
• Create and maintain comprehensive test suites covering unit, integration, and end-to-end testing scenarios.
• Evolve our continuous integration/continuous deployment (CI/CD) pipelines.
• Establish testing best practices and documentation for the team and facilitate fast implementation of regression tests.

If you’re passionate about quality, automation, and building reliable high-performance systems, we’d love to hear from you.