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.

Responsibilities

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#), GraphQL, 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

Required Qualifications

Minimum of 5 years of experience as a software engineer in backend development

Strong experience building applications using .NET (C#)

Experience developing and maintaining GraphQL 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

Preferred Qualifications

Experience working with legislative systems or legislative data

Experience with Microsoft Azure

Familiarity with MEAN stack (MongoDB, Express, Angular, Node.js) and/or React.js

Location

Capitol Hill, Washington D.C.

Some work may be performed off-site with approval and at the discretion of the POC.

About Mobomo:

Mobomo is a full-service DevOps agency dedicated to creating elegant solutions to solve complex problems.

Mobomo benefits include health care, paid time off, retirement savings and professional development.

Mobomo is an equal opportunity employer and we value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, gender identity or expression, sexual orientation, age, marital status, citizenship status, veteran status, disability status or any other basis as protected by federal state, or local law.

Mobomo, LLC

Latest Jobs

Senior .NET Developer