Demo

Senior .NET Developer

T and T Consulting Services Inc
Bethesda, MD Full Time
POSTED ON 1/8/2026
AVAILABLE BEFORE 3/8/2026

US Citizenship Required

Position Summary:

We are seeking a skilled Senior .NET Developer with expertise in .NET 8, microservices architecture, service layer modernization, and experience with CI/CD pipelines preferably with GitHub Actions. In this role, you’ll lead efforts in designing and implementing a modernized service layer to support the modernization of an NIH Acquisitions system. You’ll collaborate closely with cross-functional teams to drive the evolution of our platform and ensure it meets the highest standards of performance, reliability, and scalability.

Key Responsibilities:

  • Assist in architecting developing and deploying scalable microservices using .NET 8 and other modern .NET technologies.
  • Modernize existing service layers to improve performance, reliability, and maintainability, leveraging the latest in .NET frameworks and best practices.
  • Design and build robust APIs and services that integrate seamlessly within a distributed architecture.
  • Collaborate with product owners, designers, and other developers to define technical requirements and system architecture.
  • Experience develop and maintain CI/CD pipelines with GitHub Actions, ensuring seamless integration and deployment of applications.
  • Ensure consistent use of best practices, including design patterns, secure coding, and CI/CD integration.
  • Mentor junior developers, providing guidance on best practices in .NET 8, microservices, and service-oriented architecture.
  • Lead code reviews and actively participate in refining development processes.
  • Work within Agile methodologies, participating in daily stand-ups, sprint planning, and retrospectives.
  • Stay current with emerging trends and technologies in .NET, microservices, and DevOps practices, proposing new solutions to enhance the platform.

Qualifications:

  • Experience: 5 years of professional experience in .NET development, with recent expertise in .NET 8 and microservices.
  • Education: Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
  • Technical Skills:
    • Strong proficiency in .NET 8, C#, ASP.NET Core, and microservices architecture.
    • Experience with RESTful APIs, gRPC, and messaging systems like RabbitMQ or Kafka.
    • Demonstrated experience in modernizing service layers and rearchitecting monolithic applications into microservices.
    • Solid understanding of cloud and on-prem platform development (Azure, VMWare, and/or AWS) and DevOps practices, with hands-on experience building CI/CD pipelines, particularly using GitHub Actions.
    • Familiarity with front-end technologies (Angular or React) is a plus.
    • Base knowledge of database systems, such SQL Server and NoSQL databases.
    • Excellent debugging, problem-solving, and analytical skills.

  Location:  Prefer candidates who are in the DC Metro Area. May require on site meetings once or twice a month.  

Benefits: Competitive benefits package including health, dental, vision, life insurance coverage, 401(k) plan, training programs, accrued paid time off (PTO), performance based monthly & quarterly awards, paid holidays and customer kudo rewards.

Equal Opportunity Employer/Veterans/Disabled

 


Salary : $130,000 - $150,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior .NET Developer?

Sign up to receive alerts about other jobs on the Senior .NET Developer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$82,809 - $110,162
Income Estimation: 
$102,136 - $132,353
Income Estimation: 
$102,136 - $132,353
Income Estimation: 
$123,508 - $158,121
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at T and T Consulting Services Inc

  • T and T Consulting Services Inc Silver, MD
  • MUST BE A US CITIZEN Project Overview: NOAA Fisheries along the Atlantic coast are undertaking the East Coast Logbook Project to create a single, shared, c... more
  • 12 Days Ago

  • T and T Consulting Services Inc Silver, MD
  • MUST BE A US CITIZEN Project Overview: As a Technical Documentation Engineer, you will be a key player in a national data development project, transforming... more
  • 12 Days Ago

  • T and T Consulting Services Inc Falls, VA
  • Position Summary T and T Consulting Services, Inc. (T&T) is seeking a visionary Chief Solution Architect (CSA) to drive enterprise architecture, innovation... more
  • 5 Days Ago

  • T and T Consulting Services Inc Brunswick, GA
  • * This position is not open yet and is dependent upon award of government contract* Project Overview: This prospective contract opportunity supports the Fe... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Senior .NET Developer jobs in the Bethesda, MD area that may be a better fit.

  • Johnson Technology Systems Inc Fairfax, VA
  • Role Title: SENIOR DEVELOPER C#/.NET Job Location: - Radford, VA Project: - US ARMY Clearance: - ***Active Secret Clearance Required*** Role Description: T... more
  • 1 Month Ago

  • primesource Vienna, VA
  • Job Title Senior .NET Developer Job Type Full-time Location Vienna, VA 22027 US (Primary) Job Description Prime Source Technologies (PST) is seeking a skil... more
  • 2 Months Ago

AI Assistant is available now!

Feel free to start your new journey!