Senior Software Engineer, Full Stack (Remote)

• **Please Note: Applicants must be legally authorized to work in the United States. Aspira is unable to sponsor or take over sponsorship of employment visas, now or in the future.*** About Aspira For more than 40 years, Aspira has been the market-leading provider of software and services that help public agencies protect natural and cultural resources while making them accessible for all. Our platform supports everything from campground reservations to hunting licenses, helping millions of people discover, enjoy, and care for the outdoors. We share our client partners' mission: to steward resources for future generations, create opportunities for genuine enjoyment of the outdoors today, and expand access so more people can experience its benefits. Aspira is transforming its technology and service model to give agencies more capacity and insight—streamlined tools, smarter automation, and better connections with their communities. Our goal is simple: make it easier for our clients to conserve what matters most and for their customers to enjoy it to the fullest. The Ideal Candidate Senior Software Engineer contributes to the design, development, and maintenance of scalable, high-quality software systems. Senior Engineers work closely with lead engineers, product teams, and QA to build and support robust .NET web applications on AWS. Will participate in core engineering efforts including feature development, performance optimization, and cloud infrastructure improvements—helping deliver secure, reliable solutions aligned with business goals. Key Responsibilities • Design, develop, and deploy reliable, maintainable software features in line with project requirements. • Collaborate with team members and cross-functional partners to deliver high-quality web applications. • Responsible for designing, developing, testing, and maintaining scalable web applications and services using C#, .NET Core, and related Microsoft technologies • Participate in code reviews to promote code quality, consistency, and scalability. • Help monitor, maintain, and improve system infrastructure performance in cloud environments (primarily AWS). • Contribute to technical planning and sprint execution within an Agile development team. • Assist in preparing the system for high-load events and troubleshooting performance bottlenecks. • Ensure compliance with security policies and data protection standards. • Support onboarding of new tools and continuous improvement in development workflows. Qualifications • 8–10 years of professional experience in software development. • 5+ years of experience in .NET development. • Strong proficiency full stack development with backend .NET technologies (C# and .Net Core). • 4+ years of experience with WCF, REST APIs, and distributed systems. • Experience with modern frontend technologies (HTML5, CSS3, JavaScript and React.js. Other modern frameworks such as AngularJS will also be considered). • Solid experience with SQL Server, writing efficient and highly optimized stored procedures and database functions. • Experience developing and maintaining web applications hosted on AWS with a focus on EC2 and S3. • Experience with programming tools (Github, Visual Studio etc.) and CI/CD pipelines (e.g., Jenkins, Github CI/CD) and DevOps automation concepts. • Solid understanding of secure coding practices. PCI-DSS exposure is a huge plus. • Strong debugging, problem-solving, and communication and technical documentation skills. • Able to collaborate across geographically diverse teams and deliver high-quality solutions in a fast-paced environment. Hardware and Software Requirements: • Working knowledge of AWS services such as Lambda, S3, EC2, API Gateway, and RDS. • Experience with infrastructure monitoring tools like New Relic, Grafana, or the ELK stack. • Understanding of Agile methodologies (Scrum, Kanban). • Exposure to SQL and relational database performance tuning. • Exposure to SSRS reporting • Experience with vendor integration and third-party API management. Education and Experience Requirements: • Bachelor's degree in computer science, information technology, engineering, or a related technical field (or equivalent experience). • Previous experience working on a development team with customer-facing systems. Apply tot his job