Flatirons Solutions helps Airlines, Aerospace Manufacturers, and MROs (Maintenance, Repair, and Overhaul organizations) manage complex technical data through innovative software solutions. Our Product Engineering team in Boulder, CO focuses on building and evolving our core productsdelivering scalable, resilient, and cost-efficient software that powers mission-critical aviation operations. If you are ambitious, responsible, and bring proven leadership skills, we want to hear from you. We are seeking a Senior Software Engineer to join our product team in Boulder, CO. This position is focused on product development, with a strong emphasis on data transformations, ETL, and XSLT pipelines. The ideal candidate will lead by example in building robust, high-performance software and will play a key role in re-architecting critical data transformation pipelines for resiliency and cost efficiency. Must demonstrate advanced Java and Spring expertise, have an understanding of design patterns and system design, and be able to relate to real-world scenarios. Must be located in the Boulder/Denver area Must be a U.S. citizen due to working on export-controlled data.