Software Engineer

Position Overview:

This individual contributor will work in Exostar’s Microsoft 365 and Secure Collaboration product engineering team to design, develop, and support cloud services that extend Microsoft Teams, SharePoint Online, and the broader Microsoft 365 platform for customers in the Aerospace and Defense and other highly regulated industries. The successful candidate will be a seasoned full-stack software engineer with deep, hands-on experience developing, testing, and supporting complex, highly scalable, and dependable solutions on the Microsoft technology stack, deployed to both Azure Commercial and Azure Government clouds. This individual must possess strong technical skills coupled with excellent interpersonal and communication skills.

• →Designing and developing full-stack solutions using C#/.NET, ASP.NET Core Web API, and Angular, employing industry-best design patterns and development practices.
• →Building and extending Microsoft 365 integrations, including Microsoft Teams applications, SharePoint Online solutions, and Microsoft Graph API integrations, within a Product Engineering & Development team.
• →Designing, deploying, and operating cloud services in both Azure Commercial and Azure Government (GCC / GCC High) environments, meeting the security and compliance requirements of regulated customers.
• →Designing relational data models and writing and tuning SQL Server queries, stored procedures, and data access code.
• →Assisting product managers and customers in understanding Exostar technology, products, and services.
• →Mentoring development teams on design patterns and evangelizing software development practices and processes.
• →Leading design reviews and code walkthroughs for small teams, and presenting architecture and designs to Exostar customers and the management team.
• →Owning the product from inception through deployment and support in production.

• Experience with Hybrid-Cloud architecture and building cloud-native, multi-tenant SaaS solutions.
• Experience with Microsoft Teams meeting extensions, Adaptive Cards, Bot Framework, and Teams Toolkit.
• Experience with Power Platform (Power Automate, Power Apps) and SharePoint Framework (SPFx) web parts.
• Understanding of Web SSO technologies such as SAML, WS-Federation, and OAuth / OIDC, and identity federation with Microsoft Entra ID or ADFS.
• Familiarity with FedRAMP, CMMC, NIST SP 800-171, and ITAR-driven requirements for building and operating software in Azure Government.
• Experience with containerization and orchestration (Docker, Azure Kubernetes Service).
• Background in the Aerospace and Defense industry is a plus.

Location: Herndon, VA- Hybrid (3x/week)

The pay range for this position is $120,000k - 160,000k/yr; however, the final compensation will be determined based on factors including experience, skills, qualifications, and location. Exostar also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance, EAP, Flexible Spending Accounts, 401(k) matching, flexible time off and sick leave).

Exostar's cloud-based platforms create exclusive communities within the Aerospace and Defense, Life Sciences, and other highly regulated industries where members securely collaborate, share information, and operate compliantly. Within these communities we build trust. By analyzing community data, we provide insights and intelligence, enabling organizations to make better, timelier decisions, to mitigate risk, and operate more efficiently.

• We believe in employee development: we promote internally and provide training and educational assistance
• We provide a fun, engaged workplace, with social and community-building events
• We offer comprehensive benefits and flexible time off plans