Backend Engineer, Sr. (Remote)

# Senior Software Engineer — Backend ## About the Role Aerostrat is a fast-growing B2B SaaS company building maintenance planning solutions for the aviation industry. Its core product, Aerros, helps airlines and aircraft operators plan aircraft maintenance, understand operational costs and efficiency, and make data-backed business decisions. As a Senior Backend Software Engineer, you’ll play a critical role in expanding Aerostrat’s infrastructure and APIs to support continued customer growth. You’ll work as part of a small engineering team where you can directly influence product direction, solve complex customer problems, and regularly see your work move into production. The team will provide onboarding to help you learn aviation maintenance planning, so prior aviation industry experience is not required. ## Key Responsibilities Learn aviation maintenance planning through Aerostrat’s onboarding process. Analyze complex customer problems and translate them into effective backend solutions. Design, develop, and maintain scalable systems and well-tested features. Design and implement reliable, high-quality, performant, and sustainable services. Build user stories and technical designs with the business team from ambiguous requirements or customer problems. Contribute across the development lifecycle, including design and deployments. Work directly with customers when needed to develop integrations and solve technical problems. Contribute to the direction and ongoing improvement of the engineering stack and product. Build and maintain REST APIs and microservices. Develop B2B cloud solutions using Azure or AWS. ## Required Qualifications 5+ years of professional experience with C#/.NET. 5+ years of professional experience with SQL databases. 3+ years of professional experience working with REST APIs. 3+ years of professional experience working with Azure or AWS cloud projects. 3+ years of professional experience creating technical designs for other engineers. Significant experience building and consuming REST APIs and microservices. Significant experience building B2B cloud solutions on Azure or AWS. Strong problem-solving skills and ability to work through complex customer problems. Strong written communication skills and a positive communication style. Ability to work independently and learn and improve engineering systems. ## Preferred Qualifications Aerospace maintenance experience or interest in the aerospace industry. Experience building B2B SaaS applications. ## Skills & Competencies C#/.NET SQL and SQL databases REST APIs Microservices Azure AWS Backend software development Cloud application development B2B SaaS Scalable system design Technical architecture and design Software testing Performance and reliability Customer-focused problem solving Written communication Self-directed learning Cross-functional collaboration ## Education & Experience Education No specific educational requirement is stated in the source description. Experience 5+ years with C#/.NET. 5+ years with SQL databases. 3+ years working with REST APIs. 3+ years working with Azure or AWS cloud projects. 3+ years building technical designs for other engineers. ## Work Arrangement & Schedule Job type: Full-time Work arrangement: Fully remote Preferred location: Within 50 miles of Seattle, Washington Schedule: Monday–Friday, normal business hours Hours: Flexible hours with a focus on results rather than time spent available on Slack ## Compensation & Benefits Salary: $140,000–$200,000 per year Benefits include Fully remote work with flexible hours Unlimited PTO 11 holidays per year Multiple health insurance options HSA option with employer contributions 401(k) with matching Flexperks for work-from-home expenses, cell phone, and internet Travel discounts through the corporate travel provider Annual team retreats ## Compliance / Additional Information Aerostrat emphasizes a lean, collaborative engineering environment where engineers work closely with customers and have opportunities to influence product direction. Prior aviation industry experience is not required, as the company provides onboarding focused on aviation maintenance planning.