M365 Developer

Sierra 7 · Washington, DC, US

Full-timePublished Jul 21, 2026

Apply directly on Sierra 7’s careers site — no account needed.

About the role

The M365 Developersupports implementation of system improvements, modernization activities, application sustainment, workflow automation, cloud-enabled development, AI API integration, mobile application support, dashboards, and custom application enhancements


Will be required to go onsite in Washington, DC


Position Responsibilities

  • Develop, enhance, test, debug, and sustain business applications, workflow automations, dashboards, and Microsoft 365/Power Platform solutions.
  • Support application modernization, cloud-enabled solutions, application migration support, and Azure-integrated components.
  • Support AI API integration, automation, mobile-capable solutions, process improvement, and reporting enhancements.
  • Develop forms, workflows, reports, data visualizations, and business process automation.
  • Conduct functional testing, integration testing, regression testing, UAT support, defect correction, post-deployment validation, and release support.
  • Coordinate with the Systems Engineer / Configuration Management Lead on controlled deployment, release readiness, source code discipline, validation evidence, and rollback planning.
  • Maintain solution documentation, developer documentation, release notes, technical designs, and knowledge-transfer materials.

  • Ability to develop and modernize applications using Microsoft 365, Power Platform, SharePoint, Azure, and related approved technologies.
  • Ability to support AI API integration, mobile application development, reporting, dashboards, and process automation.
  • Ability to support full application lifecycle activities, including requirements, design, build, test, deployment, documentation, and sustainment.
  • Ability to work collaboratively with PM/BA, Sr. DBA, Systems Engineers, Technical Writer/RMF Specialist, and Government stakeholders.
  • Microsoft 365 application development.
  • Power Platform development.
  • SharePoint and SPFx development.
  • Azure-connected solution development.
  • Workflow automation.
  • Dashboard/reporting development.
  • AI API integration awareness.
  • Mobile application development awareness.
  • Testing, deployment, and defect remediation.
  • Secure coding and configuration discipline.
  • Technical documentation and user support.
  • Must be a US Citizen
  • Must have an Active Secret Clearance

Education & Experience:

  • Bachelor’s degree in computer science, software engineering, information systems, data analytics, engineering, or related technical discipline
  • 8+ years total IT/program experience
    • 5+ years of experience in Federal or DoD IT programs
    • 3 years DevOps experience, SharePoint developer experience, and Power Platform developer experience
  • Experience supporting Microsoft 365 cloud development environments.
  • Experience with SharePoint Framework, Power Apps, Power Automate, Power BI, Azure, and Microsoft development tools.
  • Experience with AI API integration and mobile application development or working knowledge in these areas

Preferred Qualifications

  • Microsoft Certified: Power Platform Developer Associate, PL-400.
  • Microsoft Certified: Azure Developer Associate, AZ-204.
  • Microsoft Certified: Power Platform Solution Architect Expert.
  • Microsoft Certified: Fabric Analytics Engineer Associate.
  • Security+ or equivalent DoD 8140/IAT II certification.
  • Experience with Azure DevOps, GitHub, source code repositories, CI/CD support, testing evidence, and controlled releases.

Why Join Sierra7?
Sierra7 is a Small Disabled Veteran Owned Business. We were founded in 2009 with the mission of “serving those who serve". We are a Service-Disabled Veteran-Owned Small Business (SDVOSB) and CMMI-SVC Level 3-appraised member of the government technology and services industry. We are a proud recipient of the 2024 Gold HIRE Vets Medallion Award from the US Department of Labor, which recognizes employers who successfully recruit, hire, and retain Veterans.

Benefits:

  • Medical/Dental/Vision
  • FSA (Flexible Spending Account)
  • HSA (Health Savings Account)
  • Life Insurance, Voluntary Life Insurance, Voluntary Short- and Long-Term Disability
  • Additional Supplemental Medical Benefits
    • Critical Care, Hospital Indemnity, Legal Plan, Accident
  • 401K
  • Legal Assistance
  • Financial Wellness
  • Paid Time Off (PTO)
  • Federal Holidays
  • Education Reimbursement
  • LinkedIn Learning
  • Employee Referral Program


This posting is for prospective candidates only. Unsolicited third-party resume submissions will be considered property of Sierra7, Inc. and will not be acknowledged or returned.


We will never send communications through any other domain, including @sierra7careers.com, @gmail.com or @yahoo.com. ALL communications will come from a @sierra7.com domain. We will never request payment from you, nor will we send payment to you, prior to your start date. If you have been asked to send or receive any payment, or if you have any doubt about whether you have been contacted by a Sierra7 employee, please contact us at Talent.Acquisition@sierra7.com


Disclaimer:

Compensation Disclosure:
In accordance with applicable state and local pay transparency laws -California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New York, Rhode Island, Vermont, Washington, and Washington, DC -, the salary range and a general description of benefits and other compensation for this position will be provided to applicants upon request and/or prior to an offer of employment. For more information reach out to Talent.Acquisition@sierra7.com

The above statements are intended to describe the general nature and level of work being performed by people assigned to this classification. They are not to be construed as an exhaustive list of all responsibilities, duties, and skills required of personnel so classified.

Sierra7 will not provide sponsorship for employment-based immigration benefits for this position. To be considered for this position all candidates must reside in the United States and be a US Citizen. This position is not a C2C opportunity.


Sierra7 is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to any status protected by federal, state, or local law.


Equal Opportunity Employer Veterans Disabled

Description sourced from the public Indeed listing — this role isn't indexed from the company's career page yet.

Skills

  • JavaScript
  • TypeScript
  • Azure
  • GitHub Actions
  • React
  • Angular
  • Django
  • Flask
  • SQL
  • REST
  • HTML
  • CSS
  • Power BI

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