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Senior .NET Developer
Job in
Washington, District of Columbia, 20022, USA
Listed on 2026-01-17
Listing for:
Mobomo
Full Time
position Listed on 2026-01-17
Job specializations:
-
Software Development
Senior Developer, Full Stack Developer
Job Description & How to Apply Below
We are seeking a full-time, backend-focused Senior .NET Developer
to support application modernization initiatives and ongoing maintenance of legacy systems. This role requires a hands-on engineer with strong experience in modern backend technologies, containerized environments, and CI/CD pipelines, as well as the ability to lead and mentor other developers.
- Participate in the analysis, design, and development of system modernization efforts
- Support and enhance existing legacy applications
- Lead and contribute to Agile development activities, including standups, user stories, backlog grooming, and task execution
- Build, maintain, and enhance backend services using .NET (C#), Graph
QL, and relational databases - Contribute to and support CI/CD pipeline development and deployment processes
- Implement and maintain containerized solutions and troubleshoot deployment issues
- Design and implement unit tests, review load testing results, and identify performance bottlenecks
- Troubleshoot defects and recommend system optimizations and enhancements
- Collaborate closely with stakeholders and a small development team, providing technical guidance and mentorship
- Minimum of 5 years of experience
as a software engineer in backend development - Strong experience building applications using .NET (C#)
- Experience developing and maintaining Graph
QL APIs - Experience with Postgres and/or MSSQL
databases - Experience designing and maintaining data models and schemas
- Experience serving as a
senior or lead engineer
on development projects - Experience with Agile methodologies
,
Docker/containerization
, and
CI/CD pipelines - Ability to work independently and collaboratively while mentoring junior developers
- Strong experience gathering requirements and working directly with stakeholders
- Experience working with legislative systems or legislative data
- Experience with Microsoft Azure
- Familiarity with MEAN stack (Mongo
DB, Express, Angular, Node.js) and/or React.js
Capitol Hill, Washington D.C.
Some work may be performed off-site with approval and at the discretion of the POC.
Position Requirements
10+ Years
work experience
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