Senior ASP.NET Services Engineer

Washington, DC
Full Time
Experienced
Company Overview
Development InfoStructure LLC., (Devis) is a leading provider of innovative software development, management, and consulting services, specializing in cutting-edge technologies such as DevSecOps, AI, and Machine Learning. With over 30 years of experience, we have established ourselves as a trusted partner for government agencies, delivering tailored, mission-critical solutions that drive digital transformation and operational excellence. Our client-centric approach, coupled with our deep domain expertise and technical prowess, enables us to forge enduring relationships and consistently deliver high-impact, adaptive solutions that resonate with the unique needs of the public sector.

Job Overview
The ASP.NET Services Engineer is responsible for designing, building, integrating, and maintaining the server-side microservices, data models, and GraphQL APIs that power the Committee Portal platform for the Office of the Clerk, U.S. House of Representatives.

This is a full-time role aligned to core business hours 7:00 AM to 6:00 PM Eastern. Work is performed on Capitol Hill, Washington, DC, with off-site work permitted only with approval and at the discretion of the customer.

Primary Duties
Microservice and API Development
  • Develop ASP.NET Core microservices in C# that implement business logic and data modification workflows for the Committee Portal.
  • Build and maintain GraphQL schemas and resolvers that expose data to React-based user interfaces and other LCS applications.
  • Integrate PostgreSQL databases into ASP.NET microservices using Entity Framework Core, including migrations, query optimization, and transactional integrity.
  • Develop data models for new Committee Portal features and refine existing models as requirements evolve.
Data and Query Engineering
  • Design PostgreSQL database schemas for enterprise-grade application workloads, including indexing, partitioning, and referential integrity.
  • Develop and maintain SQL queries, views, and stored procedures that support application and cross-product integration.
  • Support data migration, backfill, and schema evolution activities as Committee Portal features expand.
Test Automation and Quality
  • Develop and maintain unit tests for microservices, GraphQL resolvers, and data access code.
  • Coordinate with the IPT Test Engineer to diagnose test failures, reproduce issues, and fix defects identified in automated and manual test runs.
  • Debug issues reported by testers and users, perform root-cause analysis, and deliver fixes within sprint commitments.
Deployment, Configuration Management, and DevOps
  • Containerize services and maintain Helm charts and Kubernetes configuration for deployment in Azure Kubernetes Service (AKS).
  • Use Azure Pipelines for build and deployment orchestration, and Azure DevOps (ADO) and git for source code management, pull requests, and task tracking.
  • Diagnose issues in deployed environments (development, staging, production), create tracked bug records, and coordinate fixes with the IPT.
  • Adhere to all IPT Configuration Management processes defined by the Program Manager, including CI/CD workflows and source control standards.
IPT Collaboration and Agile Delivery
  • Participate in all established agile activities, including sprint planning, daily standups, sprint reviews, and retrospectives as directed by the Scrum Coordinator and Program Manager.
  • Collaborate with UI Engineers, Test Engineers, business analysts, and product owners to refine acceptance criteria and deliver working features each sprint.
  • Produce code, configuration, and documentation as deliverables under the task, consistent with Section A.5 (Deliverables).
Required Qualifications
Education
  • Bachelor's degree required in Computer Science, Software Engineering, Information Systems, or a related technical field.
  • Equivalent combinations of technical certifications and demonstrated professional experience will be considered in place of a degree.
Experience Levels
  • 7+ years of professional software engineering experience, meeting the Senior Level designation for Software Engineer, Computer Scientist, or Database Management Specialist.
  • Demonstrated experience building production microservices with ASP.NET Core in C#.
  • Demonstrated experience integrating PostgreSQL databases into ASP.NET microservices using Entity Framework Core.
  • Experience building PostgreSQL databases for enterprise applications, including schema design and performance tuning.
  • Experience with GraphQL APIs, whether implemented in ASP.NET (HotChocolate or similar) or other platforms.
  • Experience developing unit tests for microservices and GraphQL APIs.
Technical Knowledge
  • Working knowledge of containerized development and deployment (Docker), Kubernetes, and Helm charts.
  • Familiarity with Azure cloud services used by LCS, including AKS, Storage Accounts, and Key Vaults.
  • Familiarity with Azure Pipelines, Azure DevOps, and git-based pull request workflows.
  • Understanding of agile-scrum delivery and working within an established Integrated Program Team.
Preferred Qualifications
  • Microsoft Certified: Azure Developer Associate (AZ-204).
  • Microsoft Certified: DevOps Engineer Expert (AZ-400).
  • PostgreSQL Associate Certification or equivalent database certification.

Security Requirements
  • Must pass and maintain the background investigation required by the U.S. House of Representatives, Office of the Clerk, for contractor personnel supporting Legislative Computer Systems.
  • Completion of any annual security awareness or House-mandated training required for IPT members.
  • U.S. citizenship may be required consistent with House of Representatives contractor policy.

Salary
  • $132,000 - $142,000 commensurate with background and experience.

Devis is an AA/EOE/M/F/Disabled/VET Employer committed to providing equal employment opportunity without regard to an individual’s race, color, religion, age, gender, sexual orientation, veteran status, national origin or disability.

Share

Apply for this position

Required*
We've received your resume. Click here to update it.
Attach resume or Paste resume
Attach resume as .pdf, .doc, .docx, .odt, .txt, or .rtf (limit 5MB) or Paste resume

Paste your resume here or Attach resume file

To comply with government Equal Employment Opportunity and/or Affirmative Action reporting regulations, we are requesting (but NOT requiring) that you enter this personal data. This information will not be used in connection with any employment decisions, and will be used solely as permitted by state and federal law. Your voluntary cooperation would be appreciated. Learn more.
Invitation for Job Applicants to Self-Identify as a U.S. Veteran
  • A “disabled veteran” is one of the following:
    • a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or
    • a person who was discharged or released from active duty because of a service-connected disability.
  • A “recently separated veteran” means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.
  • An “active duty wartime or campaign badge veteran” means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
  • An “Armed forces service medal veteran” means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.
Veteran status


Voluntary Self-Identification of Disability
Voluntary Self-Identification of Disability Form CC-305
OMB Control Number 1250-0005
Expires 04/30/2026
Why are you being asked to complete this form?

We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.

Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp.

How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:

  • Alcohol or other substance use disorder (not currently using drugs illegally)
  • Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS
  • Blind or low vision
  • Cancer (past or present)
  • Cardiovascular or heart disease
  • Celiac disease
  • Cerebral palsy
  • Deaf or serious difficulty hearing
  • Diabetes
  • Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders
  • Epilepsy or other seizure disorder
  • Gastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome
  • Intellectual or developmental disability
  • Mental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD
  • Missing limbs or partially missing limbs
  • Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports
  • Nervous system condition, for example, migraine headaches, Parkinson’s disease, multiple sclerosis (MS)
  • Neurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities
  • Partial or complete paralysis (any cause)
  • Pulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema
  • Short stature (dwarfism)
  • Traumatic brain injury
Please check one of the boxes below:

PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.

You must enter your name and date
Human Check*