17,787 Net Developer jobs in the United States

Overview

Steampunk is looking for an experienced .NET Developer with an appetite for taking on new challenges! Be an agent of change on a team committed to achieving client-focused, mission-driven excellence.

Contributions

The .NET Developer will be conversant in all technical areas of the program and will ensure those efforts are well integrated and support the overall goals of the program. The .NET Developer will possess the ability to communicate at all levels, including government leads, key stakeholders, and executive sponsors.

As a .NET Developer, you will play a major role in developing, deploying, and supporting our customer's internal business web application. Most of the time, you will be tasked with creating customizations for the web application, building enhancements and new features. When the situation presents itself, you'll be part of the project team that defines, develops and deploys new capabilities.

• Have broad understanding with the following areas: software development (both green field and refactoring), enterprise operations, DevSecOps, cloud environments, security compliance, and human centered design. Have deep knowledge and experience in at least one of these areas (preferably more).

• Application Developers understand internal processes and what it takes to keep websites running at speed in fast-paced, dynamic environments. In this role, you'll focus on solving complex problems and creating value for application users by building solutions that are reliable and enhance the overall user experience.

• Supports a high-tempo, agile development environment with continuous bug remediation and enhancements in various stages of execution.

• Supports the ongoing enhancements, maintenance, and troubleshooting of the publicly-facing web applications, systems and subsystems utilizing technologies including customized web parts, C#, JavaScript/jQuery, JSON, SharePoint API, SharePoint Workflow, Telerik, Spire, CSS, HTML, XML, PowerShell, Visual Studio, CAML, LINQ, SQL, and AJAX.

• Designs, develops, enhances, tests, documents, debugs, and implements software enhancements and changes, based on stakeholder requirements and following Federal, industry, and client-specific standards to ensure security compliance.

• Supports and troubleshoot SharePointServer Farm, SharePoint Workflow, IIS web servers, SQL Server database, Active Directory (AD), streaming media server, content delivery system, account management system, notification system, registration system, and dual-factor authentication system.

• Creates, manages, and deploys code packages utilizing Visual Studio following established change and release management processes.

Qualifications

• Bachelor's degree

• 5+ years of experience implementing and managing software development processes

• Proven track record of ideating and innovating across various technologies

• 5+ years of experience designing and developing applications at the Senior Programmer level and/or

• Proficient developing complex assignments in .Net using tools/technologies such as C#, MS SQL, JQuery, SQL Server Reporting Services AJAX controls like Telerik, experience with Team Foundation Server

• Experience with Angular 17 and Java 17

• Knowledge of MVC and latest trends in application architecture

• Experience with working on full project life cycle starting with requirements gathering all the way to unit testing and system documentation

• Experience working in an Agile development environment

• Excellent written and verbal communication skills

About steampunk

Steampunk relies on several factors to determine salary, including but not limited to geographic location, contractual requirements, education, knowledge, skills, competencies, and experience. The projected compensation range for this position is $100,000 to $160,000. The estimate displayed represents a typical annual salary range for this position. Annual salary is just one aspect of Steampunk's total compensation package for employees. Learn more about additional Steampunk benefits here.

Identity Statement

As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Steampunk is a Change Agent in the Federal contracting industry, bringing new thinking to clients in the Homeland, Federal Civilian, Health and DoD sectors. Through our Human-Centered delivery methodology , we are fundamentally changing the expectations our Federal clients have for true shared accountability in solving their toughest mission challenges. As an employee owned company , we focus on investing in our employees to enable them to do the greatest work of their careers - and rewarding them for outstanding contributions to our growth. If you want to learn more about our story, visit .

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law. Steampunk participates in the E-Verify program.

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Job Location US-VA-McLean

Posted Date 5 days ago (8/19/2025 8:36 AM)

Job ID 6741

Clearance Requirement Public Trust

This will require onsite presence at least 3 days a week.

This is a development position to create applications and services as part of the Client group, assisting the client group to build services/applications for connectivity/useability/etc.

A thorough knowledge of .net development (c#/vb.net) methodologies with modern .net tools such as visual studio 2018 and up, Azure DevOPS, etc. This position will serve as the second developer actively re-writing this system that has been in place and continually evolving since 2007. This is an agile environment with defined sprints and associated processes (daily morning standups, estimation, retrospectives, etc).

Description

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3. Job Description

• Contribute to story refinement/defining requirements

• Perform spike/proof of concept as necessary to mitigate risk or implement new ideas

• Code solutions and unit tests to deliver a requirement/story per the defined acceptance criteria and compliance requirements

• Utilize multiple architectural components (across data, application, business) in design and development of client requirements

• Assist team with resolving technical complexities involved in realizing story work

• Design/develop/modify architecture components, application interfaces, and solution enablers while ensuring principal architecture integrity is maintained

• Design/develop/maintain automated test suites (integration, regression, performance

• Deep knowledge of .NET Core 6+

• C# Knowledge

• Deep knowledge designing and implementing RESTful Web APIs on recent .NET Core versions

• Previous Application Programming/Development experience designing, developing, and deploying scalable, high-volume, multi-tiered, distributed transactional applications

• Proficient with API Security Frameworks (oAuth, JWT, etc.)

• Proficient with API documentation tools (Swagger or similar)

• Strong understanding of unit testing frameworks, TDD, CI, IoC

• Strong knowledge of SQL Server databases

• Demonstrated knowledge in Git

• Ability to communicate, written and verbal, with technical and non-technical cross-functional teams

• .Net
• SQL
• API
• Rest
• oAuth

• Recruiter
• Email
• Phone
• Pujan Motivaras

One of our top clients is seeking a highly skilled Senior .NET Developer with a strong background in manufacturing environments and MES (Manufacturing Execution Systems) to design, develop, and maintain their internally developed plant production and business systems. This role is hands-on, yet also requires the ability to independently lead projects from concept to completion. The ideal candidate excels at cross-functional collaboration, stakeholder communication, and the entire software development lifecycle ensuring robust and scalable solutions that meet plant and business needs.

Skills and Requirements:

• 4+ years of .NET software development (C#, .NET Framework, .NET Core)
• Experience with Web Development (HTML, CSS, JavaScript)
• Open to on call, and onsite work
• Minimum of a bachelors degree in MES or SCADA Systems in a manufacturing environment preferred
• Experience working in an SAP environment (they are transitioning here)
• Experience with SQL and Amazon Specific technologies

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to

.Net Developer

Category: Software Development/ Engineering

Main location: United States, Virginia, Arlington

Position ID: J0825-1262

Employment Type: Full Time

Position Description:

Looking for an individual passionate about software development to join our team at CGI. Create innovative software solutions that transform industries and drive business success. We are seeking someone who can work with clients to maintan, modernization, and migrate several .Net applications to a cloud environment.

This position is located in Arlington, VA.

Your future duties and responsibilities:

Design, develop, and maintain .NET applications and services.

Collaborate with cross-functional teams to define, design, and ship new features.

Write clean, scalable, and efficient code following best practices.

Perform code reviews and provide constructive feedback to team members.

Troubleshoot, debug, and optimize existing applications.

Participate in the full software development lifecycle, including planning, development, testing, and deployment.

Stay up-to-date with the latest industry trends and technologies to ensure our solutions remain competitive.

Required qualifications to be successful in this role:

Bachelor's degree in Computer Science, Information Technology, or a related field. Or experience in .Net development.

Proven experience as a .NET Developer or Application Developer.

Strong knowledge of .NET framework, C#, and ASP.NET.

Experience with front-end technologies such as HTML, CSS, JavaScript, and Angular/React.

Familiarity with database technologies such as SQL Server and Entity Framework.

Understanding of Agile methodologies and software development lifecycle.

Excellent problem-solving skills and attention to detail.

Strong communication and teamwork abilities.

Desired qualifications/non-essential skills required:

Experience with cloud platforms such as Azure or AWS.

Knowledge of microservices architecture and containerization (Docker, Kubernetes).

Familiarity with DevOps practices and tools (CI/CD, Jenkins, Git).

CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit-based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $69,700.00 - $169,700.00.

CGI Federal's benefits are offered to eligible professionals on their first day of employment to include:

• Competitive compensation

• Comprehensive insurance options

• Matching contributions through the 401(k) plan and the share purchase plan

• Paid time off for vacation, holidays, and sick time

• Paid parental leave

• Learning opportunities and tuition assistance

• Wellness and Well-being programs

#CGIFederalJob

Skills:

• ASP.NET

• C#

• Application Development

• DevOps

What you can expect from us:

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team—one of the largest IT and business consulting services firms in the world.

Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.

CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at . You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned.

We make it easy to translate military experience and skills! Clickhere ( to be directed to our site that is dedicated to veterans and transitioning service members.

All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.

CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI’s legal duty to furnish information.

• ASP.NET
• C#
• Application Development
• DevOps

• Location: Montvale, New Jersey
• Type: Contract
• Job #83164

• Design and develop custom solutions in latest version of Angular, C#.net, Visual Studio and SQL Server
  
• Experience working under Azure cloud utilizing PAAS services and setting up pipelines using ADO.
  
• Develop, debug, test, and deploy new and existing applications
  
• Help to ensure that developed application solutions satisfy business and technical requirements and that standard testing procedures have been followed
  
• Design, construct, implement and support client-facing software that meets the business requirements
  
• Perform software construction, unit testing and debugging; software construction may include the preparation of new software, reuse of existing code, modification of existing programs, or integration of purchased solutions
  
• Interface with internal and external technical staff to define application solutions and resolve problems as needed
  
• Act with integrity, professionalism, and personal responsibility to uphold the firm's respectful and courteous work environment.

• Minimum four year of experience in Angular & .NET web application development
  
• Bachelors degree in from an accredited college/university or equivalent work experience
  
• Experience in user interface and design of web-based products under Azure cloud.
  
• Knowledge of Object-Oriented Principles, Patterns and Practices and knowledge of Agile (Scrum) software development methodologies and leading practices

• .net frame works, HTML/CSS, Javascript

• Net Framework 4.X, C#, ASP.Net, ASP.NET MVC, Visual Studio 2013/2015.
• .Net Core
• HTML/XHTML, HTML 5, CSS.
• Jquery, reac, Vue.
• Ajax, MS Ajax Library, Ajax Control Toolkit.
• JSON, JSONP, XML/XSL, Web-services, Micro Services, Web API.
• Solid understanding of object-oriented programming concepts, Agile way of working.
• Familiar with various design and architectural patterns.

About the job Net Developer

Interview Type : In person only

Work Arrangement : Onsite

Engagement Type : Contract

NOTE: Applications with resumes in PDF Format will be automatically rejected. Only Word format resumes will be considered.

Short Description:

Under broad supervision, designs, codes, tests, modifies & debugs computer software. Researches & analyzes program or systems problems & develops program documentation. Translates business requirements into development activities in secure

Complete Description:

Do NOT submitted candidates previously submitted to #754266

*MUST be Local Metro Area Candidates*

*US Citizenship or GC-Permanent Resident. *

*Onsite from Day 1*

*1st Interview, Webcam & 2nd interview, In- Person*

*First few weeks will be in the office Monday -Thursday to work with the current development staff to learn GSFC systems and business. Then after that, in the office 2/3 days a week depending on the Agencys requirement at that time.

** Candidate MUST meet/exceed ALL required skills**

Our Web Developer is responsible for development/maintenance of both current and future web applications written using the ASP.NET framework and ASP.NET Core with C# programming language. The ideal candidate is an enthusiastic, creative, highly motivated, and goal-oriented team player with at least 5 years of ASP.NET development experience with strong knowledge of OIDC & SAML based authentication.

Essential Duties and Responsibilities:

Write clean, scalable code written using ASP.NET Core programming language, C#.

Develop/maintain both current and future web applications.

Work closely with the Client User Representatives to troubleshoot and design solutions that meet requirements.

Accurately and effectively communicate with the Project Manager and/or Team Lead the level of effort to implement proposed solutions, the status of on-going work, and any potential issues.

Work well in both a team environment as well as a sole contributor with little or no supervision.

Possess excellent time management skills in handling multiple priorities with individual deadlines.

Adapt to a rapidly changing environment and work creatively with minimal supervision.

Ability to work from written specifications and pre-established guidelines.

Possess excellent written and oral communication skills.

Education Qualifications:

A bachelors degree in computer science, Information Systems, or a related scientific or technical degree; or equivalent experience.

Master's Degree in Computer Science, Information Systems, or a related scientific or technical degree a plus

Technical Skills/Experience:

Experience working with Identity server - OIDC & SAML based authentication.

Experience working with .NET Core C#, n-tier architectures and design patterns.

Minimum 5 years of experience in design, development and support of ASP.NET development focus on .NET MVC Core.

Minimum 5 years of experience in complete life cycle of design, development, deployment and support of web applications.

Minimum 3 years of Relational Databases and working with Oracle 11g, 12c databases, MS-SQL

Solid HTML, JavaScript, jQuery, CSS, Bootstrap, .NET Framework 4+, .NET Core 8+, Razor Pages, MVC 5

Experience creating and consuming REST API

Experience interfacing with customers and systems analysts to understand system requirements.

Minimum 3 years IIS, Docker

Git version control

Umbraco (ASP.NET Core CMS)

Visual Studio 2022

Knowledge of ColdFusion, AngularJS (version 1) is a plus