dotnet jobs in District of Columbia

Senior Software Engineer (.NET Full Stack Dev)

Washington, District of Columbia

•

Today

Overview The Senior Software Engineer is responsible for the design, development, testing, and management of application development projects in support of IT infrastructure. This includes programmatic integration of third-party components, introduction of new custom capabilities, modification of existing code, process improvement recommendations, and automation of operations and maintenance tasks. The Software Engineer develops and implements technical efforts to design, build, and deploy appl

Full-time

Depends on Experience

Senior Application Developer using Microsoft .NET Technologies, ASP & C# (C-Sharp). with Min 15yrs exp (In Person Interview) (ONSITE_only Local to DMV Area)

Washington, District of Columbia

•

Today

We are looking for a App. Technical Specialist Senior (Min 15Yrs. Exp) ONSITE (In Person Interview). POSITION DESCRIPTION DIRECT CLIENT Position Number of positions: 2(TWO) Length: 12 Months+ Work Address: Washington, DC 20002 Immediate interviews (In Person Interview) Please Note this position is ONSITE 11-15 years of experience. Proven professional experience in the design, development, delivery and enhancement of Client-Server/Web-Based/Cloud-Based/Mobile Software Applications using Micro

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Full-time, Third Party, Contract

$DOE

Sr. .NET/ASP/C# Developer

Washington, District of Columbia

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3d ago

Title: Sr. .NET/ASP/C# Developer Employment Type: Contract Start Date: 01/19/2026 Last Day to Submit: 12/29/25 Term: 9+ Months Location: Washington, DC # of Positions: 3 Interview type: In-Person Work location : Onsite Local Candidates and will to be onsite only 11-15 years of experience. Proven professional experience in the design, development, delivery and enhancement of Client-Server/Web-Based/Cloud-Based/Mobile Software Applications using Microsoft .NET Technologies, ASP & C# (C-Sharp). Thi

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Contract, Third Party

Depends on Experience

.NET Full Stack Developer - Azure (34707)

Remote or Ottawa, Ontario

•

Today

We are seeking a highly skilled .NET (C#) Full-Stack Developer to design, build, and support modern, cloud-native applications within a Microsoft Azure environment. This role requires a strong hands-on developer with experience across backend services, front-end user interfaces, and cloud infrastructure, working closely with cross-functional teams to deliver secure, scalable, and high-performing solutions. Key Responsibilities Design, develop, and maintain full-stack applications using C#, .NET

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Contract

Senior .NET Developer

Hybrid in Washington, District of Columbia

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2d ago

Senior .NET DeveloperWashington, DC (Hybrid Local Only)Experience: 1115 YearsVisa: AnyStart: Immediate (onsite in 3 days) Requirements1115 yrs experience developing enterprise applications using Microsoft .NET Strong hands-on experience with C#, ASP.NET, VB.NET Experience with .NET Framework 2.04.6.2 and Visual Studio 2010+ Strong MS SQL Server and/or Oracle database experience Experience with ADO.NET Experience with ETL / Data Warehouse / BI Experience with WCF / SOA Strong technical documenta

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Full-time

Depends on Experience

.Net Developer(15 Years)

Washington, District of Columbia

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2d ago

.Net Developer(15 Years) Visa: Any Rate : DOE Client: DHS, Washington DC Need Local Hybrid in 3 Days 11-15 years of experience. Proven professional experience in the design, development, delivery and enhancement of Client-Server/Web-Based/Cloud-Based/Mobile Software Applications using Microsoft .NET Technologies, ASP & C# (C-Sharp). Skill Required /Desired Amount of Experience Bachelor's degree in IT or related field or equivalent experience Required 15 Years Experience developing enterprise app

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Full-time, Third Party

Depends on Experience

Sr .NET Lead Developer

Hybrid in Rockville, Maryland

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22d ago

Responsibilities Design and develop new features and/or maintain existing applications developed on C# and MVC.Develop code and supporting documentation.Analyze business needs, develop requirements, design, develop and test custom software solutions.Provide technical leadership and take multiple systems and cross-system integration into account when designing and developing solutions.Provide maintenance for current software applications while developing new solutions.Work in a team environment

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Full-time

$60 - $70

Sr .Net Developer

Hybrid in Rockville, Maryland

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29d ago

We are highly motivated, flexible, organized, and detail-oriented .NET Full Stack Developer to join our great team in Bethesda MD (Hybrid Position). If you want to learn, grow, and help then this is the job for you. What you do matters and has a significant impact on the medical, health, and scientific communities we serve. Responsibilities Design and develop new features and/or maintain existing applications developed on Microsoft.NET.Develop code and support technical documentation.Work in a

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Full-time

$70 - $75

.Net Developer(Only Locals to MD)

Washington, District of Columbia

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3d ago

Title: Sr. .NET/ASP/C# Developer Employment Type: Contract Start Date: 01/19/2026 Last Day to Submit: 12/29/25 Term: 9+ Months Location: Washington, DC #of Positions: 3 Interview type:In-Person Work location: Onsite Local Candidates and will to be onsite only 11-15 years of experience. Proven professional experience in the design, development, delivery and enhancement of Client-Server/Web-Based/Cloud-Based/Mobile Software Applications using Microsoft .NET Technologies, ASP & C# (C-Sharp). This

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Third Party, Contract

70 - 75

Senior Application Developer (.NET/ASP/Visual C# ) (Onsite)

Washington, District of Columbia

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2d ago

Job Title:Senior Application Developer (.NET/ASP/Visual C# ) (Onsite) Location:Washington, DC Duration:12+ Months Job Description: The developer will build and implement additional functionality and system enhancements as requested for assigned applications. Make system fixes to Assigned Applications as needed. Troubleshoot production issues. Work with Business Analyst to understand current and new business processes that for the assigned application and formulate IT solutions to improve effici

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Contract

Depends on Experience

Senior .Net Developer

McLean, Virginia

•

Today

Job Title: Senior .NET Developer Location: McLean, VA 22102 (5 Days onsite a week) Interview Mode: In-person NOTE: Need local candidates only.Job Description: * Solid C# .NET development experience up to the latest .NET frameworks * Experience with .NET Core web application development * Demonstrated expertise in enterprise software development and maintenance using ASP.NET MVC, Web API, WCF, REST Services. * Must be proficient in SOAP- or REST-based web services, XML and JSON technologies * Exp

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Full-time, Contract

BASED ON EXPERIENCE

.Net Technical Architect

Remote

•

4d ago

.Net Technical Architect

Easy Apply

Contract, Third Party

Depends on Experience

Principal Engineer, C#/ .NET

Remote

•

Today

Senior Software Engineer We're working with a growing SaaS company that is building workforce-enablement tools used by large operational teams nationwide. They are hiring a Senior Software Engineer to help design and ship new platform capabilities using C#, .NET Core, SQL Server, and modern cloud technologies. This is a full-time role offering strong engineering ownership and the chance to expand into architecture-level work. This is a great opportunity for someone who wants to take on meaningfu

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Full-time

$145000 - $160000

Software Engineer / Full Stack Developer (.NET and Angular)

Remote

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2d ago

100% Remote Overview Our client is seeking a skilled software engineer who thrives on enhancing and extending complex systems making them faster, more reliable, and built to last. This role involves designing, developing, and maintaining both new and existing applications across a suite of Microsoft-based technologies. Our newer solutions leverage modern Microsoft frameworks and Angular, while legacy platforms utilize older versions of .NET and related tools. The ideal candidate is both a builde

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Full-time

Depends on Experience

.NET Data PI Historian Engineer

Remote or Hybrid in Alpharetta, Georgia

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2d ago

We are looking for a skilled Data Engineer / Historian Engineer with strong experience in .NET and Python to design, develop, and support data pipelines for industrial and operational data systems. The ideal candidate will have hands-on experience working with data historians (PI Historian preferred), time-series data, and modern cloud platforms. Key Responsibilities:Design, develop, and maintain data ingestion and ETL/ELT pipelines for time-series and operational data Integrate and extract data

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Contract, Third Party

$70 - $90

Senior Software Engineer C#/ .NET, PHP

Remote

•

Today

Software Engineer - Contract (United States) We're supporting a nationwide technology organization looking for a Software Engineer to help build custom cloud applications and backend services. This is a contract role where you'll work across modern .NET technologies, web APIs, SQL, and front-end JavaScript frameworks. The team is fully remote, highly collaborative, and focused on delivering scalable systems that process large volumes of data. What makes this role stand out is the blend of owner

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Contract

$50 - $60

CMS Migration (Sitecore to Drupal) .NET Consultant

Remote

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4d ago

CMS MIgration Consultant Remote We are seeking an experienced CMS Migration Consultant to lead the migration of existing Sitecore applications to open source platforms such as Drupal or WordPress. The consultant must have deep hands on expertise with the Sitecore technology stack, including ASP.NET and ASP.NET MVC, C#, .NET Framework or .NET Core, Microsoft SQL Server, IIS, Sitecore XP or XM, Helix architecture, Experience Editor and Content Editor, Sitecore APIs and GraphQL, xConnect, personal

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Contract

Depends on Experience

Senior .NET Developer (Azure/Sharepoint)-Remote

Hybrid in Washington, District of Columbia

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8d ago

Role: Senior .NET Developer (Azure/SharePoint) Duration: 1 year Location: Remote Overview: We are seeking a highly experienced and hands-on Senior .NET Developer with 11+ years of deep expertise in modern Microsoft technologies. The ideal candidate will have a proven track record of delivering scalable, secure, and high-performance applications using the latest .NET frameworks, Azure services, and enterprise integration patterns. This role requires strong architectural insight, clean coding

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Third Party, Contract

.NET Engineer (Mid Level)

Remote or Phoenix, Arizona

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Today

RESPONSIBILITIES: Kforce has a client in Phoenix, AZ that is seeking a Mid Level .NET Engineer. Essential Responsibilities * Application & API Development: * Design, develop, test, and maintain .NET applications and APIs using best practices * Troubleshoot, update, and enhance existing software, demonstrating ownership and sound design decisions * Ensure software quality through rigorous testing, debugging, and documentation Collaboration & Delivery: * Collaborate with cross-functional teams-i

Full-time

$110,000 - $140,000 annually

.Net Developer

Remote or Armonk, New York

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Today

RESPONSIBILITIES: Kforce has a client in Armonk, NY that is seeking a .Net Developer. REQUIREMENTS: * 5+ years of experience very strong in both Front end & Back end development * Exceptional knowledge of front end technologies - React, TypeScript, HTML, CSS frameworks * Exceptional knowledge of backend technologies - .Net Core 8/9/10 EF Core, C#, web apis * Strong understanding of OOPs * Familiarity with Microsoft SQL Server including data modeling, SQL query design, optimization and Linq quer

Contract

$40 - $49 hourly

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dotnet jobs in Washington, DC, USA