Senior Application Developer

• Application Development & Customization: Design, develop, and implement scalable solutions for enterprise applications, including SAP, Deltek, Salesforce, and Smartsheet, while ensuring alignment with business objectives.
• API Development & Integration: Build, maintain, and optimize APIs to ensure seamless connectivity between enterprise applications, SaaS platforms (e.g., Smartsheet), and custom-built solutions.
• Strong understanding of DevSecOps principles with hands-on experience in version control, secure CI/CD pipelines, automated testing, vulnerability scanning, and artifact management within regulated environments.
• Data Management Expertise: Collaborate on data initiatives leveraging Data Lakes or Databricks environments for storage optimization, real-time access, and integration workflows.
• Smartsheet Customization & Automation: Create and manage advanced Smartsheet workflows and integrations to support project management, team collaboration, and process automation.
• Technical Leadership: Provide thought leadership in application development best practices and serve as a technical advisor to junior developers and cross-functional teams. Collaboration, communication, and mentoring skills are critical.
• Problem Solving: Diagnose complex application issues and deliver efficient solutions while improving overall system reliability and performance.
• Quality & Compliance: Ensure applications and integrations comply with organizational security policies, data privacy standards, and industry best practices. Familiarity with developing within a DoD environment, particularly within Azure GovCloud and NIST 800-218
• Documentation & Collaboration: Maintain robust documentation and effectively collaborate with teams across engineering, data science, and business operations disciplines.

• Must be a US Citizen
• Education: Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related field (Master's preferred).

• Minimum 8+ years of application development experience.
• Proven track record working with enterprise-grade applications such as SAP, Deltek, Salesforce, and Smartsheet.

• Advanced understanding of API lifecycle management, including creation, integration, troubleshooting, and performance optimization.
• Experience with Data Lakes and Databricks for real-time data processing and scalable storage solutions.
• Expertise in Smartsheet functionality, including advanced automation, reporting, and dashboard development.
• Proficiency in programming languages such as Java, C#, Python, or other relevant frameworks.
• Strong knowledge of modern development methodologies such as Agile and DevSecOps.
• Familiarity with cloud-based platforms such as AWS, Azure, or GCP.

• 
  
  
  
  Interesting Work:
  
  
  
  Our co-workers support some of the most important and critical programs to our national defense and security.
  
  
• 
  
  
  
  Values:
  
  
  
  Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.
  
  
• 
  
  
  
  100% Employee Owned:
  
  
  
  We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.
  
  
• 
  
  
  
  Great Benefits - Most Full-Time Staff Are Eligible for:
  
  
  




• 
  Starting PTO accrual of 20 days PTO/year + 10 holidays/year
  
• 
  Flexible schedules
  
• 
  6% 401k match with immediate vesting
  
• 
  Semi-annual bonus eligibility (July and Decemeber)
  
• 
  Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account
  
• 
  Up to $10,000 in annual tuition reimbursement
  
• 
  Other company funded benefits, like life and disability insurance
  
• 
  Optional zero deductible Blue Cross/Blue Shield health insurance plan
  




• 
  
  
  
  Track Record of Success:
  
  
  
  We have grown every year since our founding in 1993.
  
  

Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance

MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.

For more information about MTSI, please visit www.mtsi-va.com