Senior Back-End Developer (Ruby on Rails)

We’re looking for a Senior Back-end Developer to design and implement reliable, scalable, high-performance systems and collaborate closely with our engineering teams to deliver robust solutions that drive real impact. At the heart of what we do is a simple mission: to deliver an asymmetric advantage to our AdTech Сustomers through deep expertise, simplicity, and exceptional service. We challenge ourselves to grow – as technologists, professionals, and teammates who support one another every step of the way. Our culture is built on dedication, trust, and continuous improvement. We celebrate success together, learn from our failures, and take pride in delivering outstanding results for our clients. If this sounds like the kind of environment where you’d thrive – join us and help build what’s next. CUSTOMER Our Customer provides a novel approach to office meals. Through their platform, customers get automated and organized lunches, serving individual and customizable meals to offices from restaurants. They offer their customers a competitive advantage through their extensive industry knowledge, straightforward process, and a high level of service. The Customer is extremely open to the team’s professional opinion, so you will have a chance to initiate changes and improve the existing solution. Sigma Software provides top-quality software development, graphic design, testing, and support services. Systems we develop deliver benefit to customers in automotive, telecommunications, aviation, advertising, gaming industry, banking, real estate, and healthcare. We have advanced skills and ample resources to create large-scale solutions as well as guide startups from idea to profit. © 2002-2025 Sigma Software Privacy Policy