Senior Software Engineer

Senior-Level Full Stack Software Engineer Join a growing private aviation management company where your work directly supports the technology behind safe, reliable, and exceptional flight operations. PlaneSense, Inc. is seeking a talented Senior-level Full Stack Software Engineer to design, develop, and support mission-critical applications used across flight operations, maintenance, customer support, crew management, and business operations. As part of a small, collaborative engineering team, you will work across the entire technology stack, contributing to web, mobile, API, cloud, and database solutions. The ideal candidate is passionate about software development, enjoys solving complex business problems, and thrives in an environment where innovation, ownership, and teamwork are highly valued. Job Location: Portsmouth, NH or Boston, MA metro area commutable distance preferred; U.S. remote may be considered for exceptionally qualified candidates. Key Responsibilities Full Stack Application Development Design, develop, and maintain enterprise web applications using Microsoft.NET and C#. Build modern, responsive user interfaces using Blazor. Develop and maintain cross-platform mobile applications using .NET MAUI. Develop and maintain RESTful APIs, web services, and backend integrations. Design and implement scalable, secure, and maintainable software architectures. Design, develop, and optimize stored procedures, functions, views using Microsoft SQL Server. Build and support services utilizing Azure App Services, Azure Functions, Azure SQL Database, Service Bus, Storage Services. Participate in CI/CD implementation and deployment automation Publish and manage application releases through the Apple App Store and Google Play Store. Participate in all phases of the software development lifecycle, including requirements gathering, design, implementation, testing, deployment, and support. Collaboration and Continuous Improvement Work closely with business stakeholders, product owners, and technical team members to deliver high-quality, responsive, resilient and secure software solutions. Participate in architecture discussions, code reviews, sprint planning, and technical design sessions. Support production systems and troubleshoot issues when necessary. Contribute to engineering standards, best practices, and ongoing modernization initiatives. Required Qualifications Bachelor's degree or higher in Computer Science, Software Engineering, or a related technical field, or equivalent professional experience. 5+ years of professional software development experience. Strong demonstrable experience with Microsoft.NET, C#, ASP.NET, REST APIs / Web Services, and Microsoft SQL Server. Experience developing web applications using Blazor. Experience developing mobile applications using.NET MAUI, Xamarin, or similar mobile frameworks. Experience developing enterprise systems using Kafka or similar message queueing technologies. Hands-on experience deploying and supporting applications in Microsoft Azure. Experience publishing and maintaining applications in the Apple App Store and Google Play Store. Understanding of software architecture, design patterns, and secure coding practices. Experience with Git-based source control systems and modern DevOps practices. Experience with AI-assisted or agentic AI software development. Preferred Qualifications Experience within aviation, aerospace, transportation, logistics, or other operationally critical and cyber security critical industries. Experience integrating with third-party APIs and enterprise systems. Experience with event-driven architectures and messaging platforms. Familiarity with Azure DevOps or GitHub Actions. Knowledge of authentication and security frameworks such as OAuth, OpenID Connect, Entra ID, or Okta. Experience working in Agile/Scrum development environments. Experience working with Atlassian products. Understanding of mobile device capabilities, offline synchronization, push notifications, biometrics, and platform-specific features. What We Are Looking For Strong technical judgement, problem-solving and analytical skills. Ability to balance technical excellence with practical business needs. Self-starter who can work independently while collaborating effectively with a small team. Excellent communication and interpersonal skills. Passion for learning new technologies and improving existing systems. Commitment to delivering reliable, high-quality software solutions. What You'll Gain Opportunity to have a direct impact on products used throughout aviation operations. Exposure to modern cloud, mobile, and enterprise software technologies. Ability to influence architecture and technology direction. Collaborative environment where engineers have meaningful ownership and visibility. Opportunity to work across web, mobile, cloud, integrations, and data platforms rather than being limited to a single specialization. Ready to build technology that supports exceptional private aviation? If you are a hands-on software engineer who enjoys solving meaningful problems, collaborating with a close-knit team, and seeing your work make a direct impact, we invite you to apply and learn more about joining PlaneSense. PlaneSense