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Full Stack .NET Developer

Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction.  

Position: Full Stack .NET Developer
Location: Washington DC – Fully Onsite
Clearance: Top Secret with SCI

We have an exciting opportunity for a Full Stack .NET Developer to join our team. The ideal candidate will be a Full Stack Developer with recent experience performing .NET and SQL development, unit testing, and database management tasks. To perform this job successfully, an individual must possess the knowledge, skills, and abilities listed, meet the education and work experience required, and must be able to perform each essential duty and responsibility satisfactorily. Other duties, in addition to the below, may be assigned as necessary to meet business needs.  

Essential Job Functions:  

  • Write clean, scalable code using .NET programming languages. 
  • Design, develop, document, test and debug new and existing software systems, and applications.  
  • Understand, design and maintain complex databases, write PL/SQL code, stored procedures and user-defined functions. 
  • Ability to diagnose problems and resolve issues across various tiers (application, database, server). 
  • Research and fix security vulnerabilities.
  • Ability to implement automation through use of jobs, shell scripts, or other techniques.
  • Follow the team’s established Agile processes which includes supporting short and long-term planning, cross-functional support and demonstrate working software. 
  • Develop cutting edge applications which support a wide array of analytical functions.
  • Support an expanding Secure Mobile Device program. 

Minimum Required Qualifications:  

  • Bachelor’s degree in computer science or related degree preferred.
  • 5 years of development experience with .NET and C#
  • ​Active Top Secret with past SCI.   
  • Employment based sponsorship not available. 

Knowledge, Skills and Abilities:  

  • In-depth knowledge of .Net infrastructure. 
  • proficiency in C#, .NET utilizing .NET MVC framework. Web Form, .Net CORE, CSS, JAVASCRIPT, HTML, JQUERY, AJAX, WCF, ADO.NET and client-side framework.  
  • Strong knowledge and experience with SQL Server 2019 database and SQL Server technologies (writing SQL/T-SQL, Stored Procedure, UDF, triggers). 
  • DevOps experience working with CICD implementation and build/deployment tools (TFS and/or Azure DevOps).  
  • Strong customer service/client facing skills. 
  • Excellent oral and written communication skills. 
  • Strong troubleshooting/performance tuning skills. 
  • Excellent organizational and time management skills. 
  • Self-driven, flexible and innovative. 

Preferred Skills:  

  • Familiarity with Azure Web Apps and AWS Cloud.  
  • Understanding of code versioning tools - such as TFS, Git. 
  • Good understanding of Microsoft SharePoint. 
  • Should have basic understanding of Apple Products and either ability to perform, or learn, Xcode.

Location: On-Site in Washington DC.


#LI
#CJ

 

___________________________________________________________________________________________________________

Here at Harmonia we are pleased to have been repeatedly recognized for our outstanding work culture, the innovative work we do, and the employees on our team who make a difference each day.  Some of these recognitions include:  

  • Recognized as a Top 20 "Best Place to Work in Virginia"
  • Recipient of Department of Labor's HireVets Gold Medallion
  • Great Place to Work Certification for five years running
  • A Virginia Chamber of Commerce Fantastic 50 company
  • A Northern Virginia Technology Council Tech 100 company 
  • Inc. 5000 list of fastest growing companies for eleven years
  • Two-time SBA SBIR Tibbett's Award winner
  • Virginia Values Veterans (V3) Certification

We recognize that every bit of our success is the result of our teams of hard-working, motivated, and innovative professionals who are proud to call themselves part of the Harmonia family!   In addition to competitive compensation, a family-focused culture, and a dynamic, productive work environment, we offer all full-time employees a variety of benefits including, but not limited to

  • Traditional and HSA- eligible medical insurance plans w/ Wellness Incentives for employees and family
  • 100% employer-paid dental and vision insurance options 
  • 100% employer-sponsored STD, LTD, and life insurance
  • Veterans Cohort
  • Gym membership reimbursement
  • 401(k) matching
  • Dollar-for-dollar 501(c)(3) donation matching
  • Flexible-schedules and teleworking options
  • Paid holidays and Flexible Paid Time Off
  • Adoption Expense Reimbursement
  • Paid Parental Leave
  • Professional development and career growth opportunities and paid training days
  • Employer-sponsored Employee Assistance Program for employee and family
  • Team and company-wide events, recognition, and appreciation-- and so much more! 

Check out our LinkedInFacebook, and Instagram to find out a little more about who we are and if we are the right next step for your career!   

Harmonia is an Equal Opportunity Employer providing equal employment opportunity to all employees and applicants for employment without regard to race, color, religion, national origin, age, gender, gender identity, sexual orientation, disability, or genetics. Harmonia does and will take affirmative action to employ and advance in employment individuals with disabilities and protected veterans.  To perform the above job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience required; and must be able to perform each essential duty and responsibility satisfactorily.  Other duties in addition to those listed may be assigned as necessary to meet business needs.  Reasonable accommodation will be made to enable an applicant with a disability to successfully apply for and/or perform the essential duties of the job.  If you are in need of an accommodation, please contact [email protected].  

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CEO of Harmonia
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Pallabi Saboo and Jai Saboo
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$90000K
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To recruit and retain top talent. To create and maintain a work environment that is welcoming, productive, transparent, and equitable. To deliver innovation, quality, and strong ROI to our clients. To be a responsible corporate citizen. To...

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Full-time, onsite
DATE POSTED
June 11, 2025

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