Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

.NET Developer - Onsite

$104k - $144k
Full-time

Tanisha Systems

Salary: $104,000 - 144,000 per year Requirements:

  • Proficiency in C#, JavaScript, and SQL.
  • Experience with .NET Core, ASP.NET MVC or Web API, and Entity Framework.
  • Familiarity with ADO, Docker, Git, and Agile/Scrum methodologies.
  • Knowledge of test-driven development (TDD) and distributed systems.
  • Hands-on experience with service buses and message brokers; experience with Apache Kafka or similar technologies is preferred.
  • Understanding of distributed-system patterns and event-driven architectures.
  • Experience developing cloud-based applications on AWS is preferred.
  • Strong problem-solving and communication skills.
  • Experience working in Agile/Scrum development environments is preferred.
Responsibilities:
  • Develop and maintain software applications based on technical design documents and project requirements.
  • Build applications using C#, .NET Core, ASP.NET MVC or Web API, Entity Framework, JavaScript, and SQL.
  • Develop and optimize database solutions using Microsoft SQL Server.
  • Design and implement APIs and services for distributed applications.
  • Create asynchronous communication and event-driven solutions using messaging technologies such as Kafka.
  • Implement automated testing and apply TDD practices where appropriate.
  • Containerize applications with Docker.
  • Participate in Agile/Scrum ceremonies, code reviews, and technical discussions.
  • Use Git for source control and maintain high-quality, well-documented code.
  • Troubleshoot application issues and improve performance, reliability, and maintainability.
  • Collaborate with cross-functional teams throughout the software development lifecycle.
Technologies:
  • API
  • ASP.NET
  • AWS
  • C#
  • Cloud
  • Docker
  • Git
  • JavaScript
  • Kafka
  • MVC
  • SQL
  • TDD
  • Web

More:

We are Tanisha Systems, Inc., an equal employment opportunity employer committed to an accessible work environment and reasonable accommodations during the application and hiring process upon request. This is a full-time, onsite .NET Developer role based in Olympia, Washington (98516). The developer will work from established design documentation and collaborate with technical and business teams to deliver reliable, scalable software solutions.

last updated 41 week of 2026

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the .NET Developer - Onsite in Washington DC vacancy
  •  ...Job Description Job Description Senior Full Stack .Net Applications Developer Washington, DC – 100% Onsite Per Federal contract U.S. citizenship is required Must be able to obtain Public Trust clearance W2 or C2C Seeking an experienced Full Stack Sr Application... 
    Suggested
    Contract work

    System One

    Washington DC
    a month ago
  •  ...Saliense Consulting LLC is hiring a Lead Software Developer for the Office of Naval Research program in Arlington, VA. This 100% onsite role requires a Secret clearance to start and...  ...secure, and scalable solutions using modern .NET technologies and AWS cloud services. #J-188... 
    Suggested
    Work at office

    Jobleads-US

    Arlington, VA
    3 days ago
  •  ...contractor that specializes in designing, developing, and delivering information technology...  ...(NDi) is seeking an experienced Senior .NET Developer to design, develop, enhance, and...  ...clearance This position requires working onsite in Alexandria, VA, 5 days per week... 
    Suggested
    For contractors
    Work experience placement

    Network Designs

    Alexandria, VA
    3 days ago
  • A technology solutions company is seeking a Net Software Developer to support the Congressional Budget Office. This role involves full-stack development...  ...Trust clearance is required, and work is primarily remote with possible onsite requirements in Washington, DC. #J-18808-Ljbffr
    Suggested
    Work at office
    Remote work

    Vinsys Information Technology

    Washington DC
    1 day ago
  • $170k - $190k

     ...or an alternative application process. Full Stack Software Developer (C#/.NET) FullTime Professional Washington, DC, US Salary Range:...  ...Senior .NET Developer / Fullstack Developer Location: Onsite, Hybrid – 3x days / week – Washington, DC Clearance Required... 
    Suggested
    Full time
    Work at office
    Local area

    Jobleads-US

    Washington DC
    2 days ago
  • $131k - $145k

    Responsibilities Technica Corporation is seeking a .NET & REACT Full Stack Developer. As a .NET/React Full Stack Developer, you will play a critical...  ...in Washington, D.C. and require work to be performed onsite. Any hybrid work schedule would require customer approval... 
    Work experience placement
    Remote work

    Technica Corporation

    Washington DC
    2 days ago
  • $83k - $123k

     ...development and performance-tuning skills. ~ Strong .NET development experience and experience developing and supporting FACETS customizations and extensions....  ...based in Seattle, Washington. This is a fully onsite position; remote and hybrid work are not available.... 
    Long term contract
    Full time
    Contract work
    Remote work

    Xyant Services

    Washington DC
    3 days ago
  •  ...modernize enterprise applications using .NET and React. Design APIs, services, and...  ...reviews, define coding standards, mentor developers, and promote engineering best practices....  ...the DMV area with the ability to support onsite work in Washington, DC. At least 8 years... 
    Full time
    Casual work
    Work at office
    Local area
    Flexible hours

    MetroStar

    Washington DC
    6 days ago
  •  ...Improvix Technologies, Inc. is seeking a Senior Full Stack Software Developer to provide technical leadership for a federal program. You will...  ...web apps. You will work on full stack applications using .NET (C#) and React.js, with Azure cloud services, while shaping coding... 

    Jobleads-US

    Washington DC
    2 days ago
  •  ...landscape. You will work on a small team, delivering robust software solutions and coordinating with AI/ML engineers, business users, and stakeholders to meet evolving mission needs. Laurel, MD onsite role with competitive compensation. #J-18808-Ljbffr Jobleads-US
    Full time

    Jobleads-US

    Laurel, MD
    4 days ago
  • $100.02k - $107.16k

     ...Veteran Firm Seeking a Senior .NET Application Developer for an Onsite Assignment in Washington, DC My name is Stephen Hrutka, and I lead a Veteran-owned consulting firm in Washington, DC, focused on strategic sourcing, supply chain, and IT Staffing. We want to... 
    Work at office

    HRUCKUS LLC

    Washington DC
    2 days ago
  •  ...Job Description Job Description Senior GIS/AWS Developer/Engineer Washington, DC – 100% Onsite Per Federal contract U.S. citizenship is required Must...  ...and modern web frameworks; experience with Angular, .Net, ECS, and Terraform • AI-Assisted Development: Experience... 
    Contract work
    Work experience placement

    System One

    Washington DC
    a month ago
  •  ...Science, Engineering or Management Information Systems or Master’s degree. • Minimum 7 years of experience • The developer should have a strong understanding of .Net/Node and its core concepts, such as components, state management, and lifecycle methods. They should be able... 
    Contract work
    Local area

    Cedent Consulting

    Washington DC
    2 days ago
  • Company DescriptionUSM Business Systems Inc. is a quickly developing worldwide System Integrator, Software and Product Development, IT Outsourcing...  ...requirement and send me your updated profile ASAP.Title: .net Software EngineerLocation: Arlington, VADuration: full... 
    Work experience placement
    Immediate start
    Worldwide

    USM Systems

    Arlington, VA
    4 days ago
  •  ...Java Full Stack Developer (Mostly Remote 20% Onsite) Location: Washington, DC Visa: US Citizen Only Interview mode: Virtual Job Description: Required Skills Java Full Stack Development Spring Application Large Language Models... 
    Remote work

    Stellent IT LLC

    Washington DC
    2 days ago
  • $75 - $93 per hour

     ...Washington, D.C., District of Columbia, United States ROLE : ASP.NET Developer (20 hours / week) PAY : $75 - $93 per hour (based on experience and qualifications) WORKPLACE TYPE : Remote (must be willing to visit client site, if needed) EMPLOYMENT TYPE : 1099 contract... 
    Hourly pay
    Contract work
    Remote work

    Comtech LLC

    Washington DC
    2 days ago
  •  ...Status Label: ExemptLabor Category: Information TechnologyRemote/Onsite: RemoteAdditional Informations:This job is for sourcing of new...  ....OverviewWe are seeking a versatile and experienced .NET Developer with a strong background in VBA, Microsoft Access, Visual Basic... 

    Talentify.io

    McLean, VA
    2 days ago
  • $110k - $120k

     ...experience providing IT services and solutions to Federal, State & Local government agencies. Job Description Title: Sr. .Net Developer Location: Aberdeen, Maryland Duration: Full Time Max Salary : $110 to $120K +Benefits Basic Qualifications:... 
    Full time
    Local area

    Talentify.io

    Washington DC
    2 days ago
  •  ...Required Qualifications ~4+ years of professional experience in full-stack software development using C# and .NET Core. ~4+ years of hands-on experience developing enterprise applications with: ~ .NET Core, C#, and ASP.NET ~ Microsoft MVC and Web API ~ Object-... 

    Take2 Consulting LLC

    Washington DC
    42 minutes ago
  •  ...Job Title: SOC Analyst - Tier 3  (Onsite) Location: Washington, DC Duration: 12 Months...  ...with analysts and engineers to develop/adjust rules and analyze/develop related...  ...as firewalls, IDS/IPS, SIEM, Antivirus, net traffic analyzers, and malware analysis-Required... 
    Full time

    Serigor Inc

    Washington DC
    3 days ago
  •  ...Role: .NET Developer About Rigil Rigil is an award-winning, woman-owned, small business that specializes in technology consulting, strategy consulting and product development. We value teamwork and strive to build strong leaders. Location: Washington, DC Job... 
    Full time
    H1b

    Rigil

    Washington DC
    3 days ago
  • $103.8k - $218.1k

     ....NET Developer – Information Technology We are seeking a mid-level .NET Software Developer to support the U.S. Department of State's Bureau of Diplomatic Security (DS) in maintaining and enhancing a business-critical application. This is a small-team environment – currently... 
    Work at office

    3M HEALTHCARE

    Arlington, VA
    18 hours ago
  •  ...Instead, opportunities at this level are advertised when they become available on an ongoing basis. We are looking for a Senior .Net Developer who has evolved with the tech landscape, demonstrating strong adaptability and deep development knowledge. You’ll play a key... 
    Work at office

    iDbase Software

    Hyattsville, MD
    18 hours ago
  • $110k - $130k

    100% Remote | C#/.NET | Growing SaaS Company This Jobot Job is hosted by: Ellie Staver Are you a fit? Easy Apply now by clicking the...  ...and modernize our technology platform, we're looking for a .NET Developer to join our engineering team. This is a great opportunity for someone... 
    Local area
    Remote work

    Jobot

    Arlington, VA
    4 days ago
  •  ...team NOW! We are currently seeking a talented and motivated UI/UX Developer for a Full-Time position. Position Overview The Developer...  ...components and technical designs using modern React and .NET technologies. The position provides senior-level technical leadership... 
    Full time

    NuAxis Innovations

    Washington DC
    19 minutes ago
  •  ...AVER is seeking a Senior .Net Developer to support a highly controlled and security-sensitive government environment. The position focuses on analyzing incoming provider data, preparing the data for import into SQL Server, and overseeing a repeatable process for developing... 

    Jobvite

    Washington DC
    18 hours ago
  •  ...Role- .NET Developer Location: Arlington, VA or Merrifield, VA (5 days a week onsite) Clearance: Active Secret clearance is Required Full Time Requirements: ~ Bachelor’s degree in Computer Science, Engineering, or a related field (14+ years of demonstrated... 
    Full time

    Urbane Systems

    Arlington, VA
    2 days ago
  •  ...Job Description Role: .Net Developer Location: Olympia,WA 98516 Duration: 12+ Months   Position details Role - Developer Required Skills - Required: Programming Languages: C#, JavaScript, SQL Frameworks & Libraries: .NET Core, ASP.NET MVC/Web API, Entity... 
    Temporary work

    TMS LLC

    Washington DC
    9 days ago
  • Role: .Net RUST Developer Location: Bellevue, WA Job Type: Full Time Job Description Must Have Technical/Functional Skills Rust PL/SQL Microsoft Azure Role Summary Design, develop, and maintain high-performance, scalable... 
    Full time

    Northern Base

    Washington DC
    2 days ago
  •  ...Subject Matter Expert (SME) Graphic Artist to support the Office of Net Assessment with editable, high-quality graphics and multimedia...  ...of branded visuals for research projects. Applicants will work onsite in Alexandria, VA, ensuring branding standards and timely... 
    Temporary work
    Work at office

    Goldbelt Apex LLC

    Alexandria, VA
    18 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to .NET Developer - Onsite. Be the first to apply!