Modern Technology Solutions, Inc. (MTSI)
Senior Application Developer
Modern Technology Solutions, Inc. (MTSI) - Alexandria, Virginia, us, 22350
Work at Modern Technology Solutions, Inc. (MTSI)
Overview
- View job
Overview
Join to apply for the
Senior Application Developer
role at
Modern Technology Solutions, Inc. (MTSI) 2 days ago Be among the first 25 applicants Join to apply for the
Senior Application Developer
role at
Modern Technology Solutions, Inc. (MTSI) Get AI-powered advice on this job and more exclusive features. Modern Technology Solutions, INC. (MTSI) is seeking a highly motivated and experienced
Senior Application Developer
to join our dynamic team. The ideal candidate will have extensive experience working with best-in-class business applications such as
SAP ,
Deltek ,
Salesforce , and
Smartsheet , with strong expertise in
API integrations
and modern data management frameworks like
Data Lakes
and
Databricks .
This role is critical in driving innovation, enabling seamless integrations, and supporting the development of a robust digital ecosystem to enhance business operations.
Key Responsibilities
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.
Qualifications
Must be a US Citizen Education: Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related field (Master’s preferred).
Professional Experience
Minimum 8+ years of application development experience. Proven track record working with enterprise-grade applications such as SAP, Deltek, Salesforce, and Smartsheet.
Technical Skills
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.
#MTSI
Perks & Benefits
Vacation
New Hires Accrue 20 days of PTO and 10 Holidays per Year
Health Insurance
Zero Deductible Health Plans
Flexible Schedules
Flex Schedules
Professional Development
Up to $10,000 Annual Education/Training Reimbursement
ESOP
Funded Stock Ownership Plan
401k Match+
6% 401k Match + Immediate Vesting
Bonus Program
Semi-Annual Bonus Opportunity
Mentorship
Career Mentorship Programs
Why is MTSI known as a Great Place to Work?
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 December) 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
EEO Statement
MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.
Seniority level
Seniority level Mid-Senior level Employment type
Employment type Full-time Job function
Job function Engineering and Information Technology Industries Space Research and Technology Referrals increase your chances of interviewing at Modern Technology Solutions, Inc. (MTSI) by 2x Sign in to set job alerts for “Senior Application Developer” roles.
Washington, DC $175,000.00-$190,000.00 2 months ago Senior Software Development Engineer (Type 2)
Bethesda, MD $137,890.00-$218,190.00 1 month ago Senior Software Engineer - Test Automation
Washington, DC $160,000.00-$175,000.00 12 hours ago Senior Staff Perception Software Engineer, Sensor Fusion (R3473)
Washington DC-Baltimore Area $220,800.00-$331,200.00 1 week ago Senior Modernization and Capabilites Developer
Software Development Engineer, Senior Leader Experiences - Executive Talent Management
Senior Ground Mission Software Engineer, Space
Reston, VA $168,000.00-$252,000.00 2 days ago FLEX Senior Manager - ServiceNow Developer
Senior Manager, Software Engineer (CORE)
Senior Software Engineer, Backend (OpenLoop BNPL)
District of Columbia, United States 1 week ago Senior Manager, Software Engineer (Bank Tech)
Maryland, United States $129,029.52-$187,530.72 1 day ago Senior Cyber Capability Developer (Reverse Engineer)
Lorton, VA $126,100.00-$227,950.00 1 month ago Senior Lead Software Engineer, Full Stack
Senior Manager Software Engineer, People Leader (Bank Tech)
ServiceNow (SNOW) Technical Business Analyst - Active Top Secret/SCI Clearance
Springfield, VA $140,000.00-$165,000.00 2 days ago Chantilly, VA $200,000.00-$250,000.00 2 months ago Herndon, VA $129,029.52-$187,530.72 1 week ago Washington, DC $122,000.00-$178,000.00 3 weeks ago Arlington, VA $137,000.00-$153,000.00 3 weeks ago Senior Software Developer - US Based Remote Opportunity
McLean, VA $170,000.00-$220,000.00 2 months ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.
#J-18808-Ljbffr
Senior Application Developer
role at
Modern Technology Solutions, Inc. (MTSI) 2 days ago Be among the first 25 applicants Join to apply for the
Senior Application Developer
role at
Modern Technology Solutions, Inc. (MTSI) Get AI-powered advice on this job and more exclusive features. Modern Technology Solutions, INC. (MTSI) is seeking a highly motivated and experienced
Senior Application Developer
to join our dynamic team. The ideal candidate will have extensive experience working with best-in-class business applications such as
SAP ,
Deltek ,
Salesforce , and
Smartsheet , with strong expertise in
API integrations
and modern data management frameworks like
Data Lakes
and
Databricks .
This role is critical in driving innovation, enabling seamless integrations, and supporting the development of a robust digital ecosystem to enhance business operations.
Key Responsibilities
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.
Qualifications
Must be a US Citizen Education: Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related field (Master’s preferred).
Professional Experience
Minimum 8+ years of application development experience. Proven track record working with enterprise-grade applications such as SAP, Deltek, Salesforce, and Smartsheet.
Technical Skills
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.
#MTSI
Perks & Benefits
Vacation
New Hires Accrue 20 days of PTO and 10 Holidays per Year
Health Insurance
Zero Deductible Health Plans
Flexible Schedules
Flex Schedules
Professional Development
Up to $10,000 Annual Education/Training Reimbursement
ESOP
Funded Stock Ownership Plan
401k Match+
6% 401k Match + Immediate Vesting
Bonus Program
Semi-Annual Bonus Opportunity
Mentorship
Career Mentorship Programs
Why is MTSI known as a Great Place to Work?
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 December) 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
EEO Statement
MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.
Seniority level
Seniority level Mid-Senior level Employment type
Employment type Full-time Job function
Job function Engineering and Information Technology Industries Space Research and Technology Referrals increase your chances of interviewing at Modern Technology Solutions, Inc. (MTSI) by 2x Sign in to set job alerts for “Senior Application Developer” roles.
Washington, DC $175,000.00-$190,000.00 2 months ago Senior Software Development Engineer (Type 2)
Bethesda, MD $137,890.00-$218,190.00 1 month ago Senior Software Engineer - Test Automation
Washington, DC $160,000.00-$175,000.00 12 hours ago Senior Staff Perception Software Engineer, Sensor Fusion (R3473)
Washington DC-Baltimore Area $220,800.00-$331,200.00 1 week ago Senior Modernization and Capabilites Developer
Software Development Engineer, Senior Leader Experiences - Executive Talent Management
Senior Ground Mission Software Engineer, Space
Reston, VA $168,000.00-$252,000.00 2 days ago FLEX Senior Manager - ServiceNow Developer
Senior Manager, Software Engineer (CORE)
Senior Software Engineer, Backend (OpenLoop BNPL)
District of Columbia, United States 1 week ago Senior Manager, Software Engineer (Bank Tech)
Maryland, United States $129,029.52-$187,530.72 1 day ago Senior Cyber Capability Developer (Reverse Engineer)
Lorton, VA $126,100.00-$227,950.00 1 month ago Senior Lead Software Engineer, Full Stack
Senior Manager Software Engineer, People Leader (Bank Tech)
ServiceNow (SNOW) Technical Business Analyst - Active Top Secret/SCI Clearance
Springfield, VA $140,000.00-$165,000.00 2 days ago Chantilly, VA $200,000.00-$250,000.00 2 months ago Herndon, VA $129,029.52-$187,530.72 1 week ago Washington, DC $122,000.00-$178,000.00 3 weeks ago Arlington, VA $137,000.00-$153,000.00 3 weeks ago Senior Software Developer - US Based Remote Opportunity
McLean, VA $170,000.00-$220,000.00 2 months ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.
#J-18808-Ljbffr