Jobs in the United States

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Added 13 mins ago
Facets Developer
UST Global Inc
Seattle, WA
Participate in system integration testing, UAT support, release management, and deployment activities
Added 13 mins ago
Application Development Lead - Facets
UST Global Inc
Seattle, WA
Experience debugging C#/.NET applications, including stack trace analysis and integration-layer troubleshooting.
Added 20 mins ago
BS
Senior IT Engineer (Contract to Hire)
Blue Star Partners LLC
Columbus, OH
- $63 to $73 USD / hour
We are seeking an experienced Senior IT Engineer to support the enhancement, integration, and ongoing maintenance of enterprise applications supporting customer service and contact center…
Added 29 mins ago
ZH
Senior Full Stack Developer
Zelis Healthcare, LLC
Morristown, NJ
- $15.92 USD / hour
…design, application development, database development, API integration, cloud deployment, testing, troubleshooting, performance optimization, and production support. The developer will…
Added 29 mins ago
Lead Software Engineer - Data Protection
FlightSafety International Inc
Seattle, WA
Experience with .NET microservice architecture (C#) in a high-scale production environment
Added 34 mins ago
Senior SharePoint Engineer
Endurance Services Limited (US)
Remote, United States
Design, develop, and maintain secure, scalable SharePoint, Power Platform, SPFx, .NET, C#, API, and integration solutions aligned with enterprise standards and business requirements.
Added 39 mins ago
EG
Software Engineer - Emerging Technologies
Eliassen Group
Saint Louis, MO
- $50 to $60 USD / hour
…stakeholders while learning and using cloud, Python, React, and integration…
Added 46 mins ago
Cleared Full Stack Developer (Washington, DC)
Accenture
Washington, DC
Accenture Federal Services is seeking a Front-end Developer to join our team and support our client in Washington, DC. As a Front‑end Developer, you will contribute to the design,…
Added 47 mins ago
Agile Delivery Manager
CACI International
Washington, DC
…Power Apps, Microsoft Dynamics, an investigation case system, .NET, SharePoint and a content management system. The directorate has recently adopted an agile process and Jira and is moving…
Added 57 mins ago
AI Engineer
Avanza LLC
Arlington, VA
…for Microsoft technology stacks, including Power Platform, C#/.NET, ASP.NET Core, Azure Functions, Azure SDKs, and Microsoft Graph…
Added 1 hour ago
FACETS Full Stack Developer
UST Global Inc
Seattle, WA
…full-stack application development, Microsoft Azure cloud, API and integration, database, and CI/CD engineering capabilities. The ideal candidate works across the complete technology stack…
Added 1 hour ago
Senior Software Engineer
projects/helpful-passage-853/companies/9810ab3a-d8cd-4ba4-9ee5-ca421241fe3c
San Francisco, CA · Seattle, WA
…Responsibility Write high-quality, maintainable, and testable code in C# .NET and other object-oriented languages Create high quality, user-focused experiences using React, GraphQL, and…
Added 1 hour ago
Software Engineering Internship
Lyric
Jefferson City, MO
+ Work alongside experienced engineers on modernization initiatives involving modern .NET, APIs, databases, cloud technologies, and web applications
Added 1 hour ago
Data Developer
CFO Trane U.S. Inc.-CFO
Minneapolis, MN
We are looking for a Data Developer with deep, hands-on Azure data expertise to own and evolve the data foundation of our enterprise telematics SaaS platform. Our platform manages…
Added 1 hour ago
Senior Software Engineer
Docusign
San Francisco, CA · Seattle, WA
Write high-quality, maintainable, and testable code in C# .NET and other object-oriented languages
Added 1 hour ago
Software Developer in Test (SDET)
Syms Strategic Group, LLC (SSG)
Blacksburg, VA
Syms Strategic Group (SSG) is seeking a talented Software Developer in Test (SDET)
Added 1 hour ago
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Blacksburg, VA
NOTE: This is NOT an SQA tester position. Candidates MUST have strong programming skills, often in languages such as C#, .Net, Java, or Python.
Added 1 hour ago
Full stack Developer
Charles Schwab Inc.
Austin, TX
As a Software Engineer, you’ll design and enhance scalable applications and REST APIs using .Net technologies while improving platform performance, stability, security, and resilience.…
Added 1 hour ago
Software Developer in Test (SDET)
Syms Strategic Group, LLC (SSG)
Ashburn, VA
Syms Strategic Group (SSG) is seeking a talented Software Developer in Test (SDET)
Added 1 hour ago
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Ashburn, VA
NOTE: This is NOT an SQA tester position. Candidates MUST have strong programming skills, often in languages such as C#, .Net, Java, or Python.
Added 1 hour ago
Software Developer in Test (SDET)
Syms Strategic Group, LLC (SSG)
Charlottesville, VA
Syms Strategic Group (SSG) is seeking a talented Software Developer in Test (SDET)
Added 1 hour ago
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Charlottesville, VA
NOTE: This is NOT an SQA tester position. Candidates MUST have strong programming skills, often in languages such as C#, .Net, Java, or Python.
Added 1 hour ago
AI Developer T5
CACI International
Chantilly, VA
CACI is seeking an AI Web Developer to design, develop, and enhance a generative AI (GenAI) application that streamlines business processes for a government customer. In this role, you'll…
Added 1 hour ago
AI Web Developer T4
CACI International
Chantilly, VA
CACI is seeking an AI Web Developer to build and enhance a generative AI (GenAI) application that streamlines business processes for a government customer. You’ll develop solutions using…
Added 1 hour ago
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Virginia Beach, VA
NOTE: This is NOT an SQA tester position. Candidates MUST have strong programming skills, often in languages such as C#, .Net, Java, or Python.

Closed listing

Amentum

Software Engineer II

Washington, DC, United States

$97k - $121k

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Pay: $97k - $121k
Posting language: English
Posted: Nov 4, 2026

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Original job description

Archived listing. The details below describe a past opening.

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.

The Software Engineer II will perform full stack development with C# program, ReactJS, MVC, Linq, and rest API development in NET Core platform. This position is US remote teleworking within the US and US Citizenship is required.

Essential Responsibilities:

Under general supervision, design, develop, troubleshoot, and analyze software programs for computer-based systems
Ensure automated data feeds and system interfaces are working as intended
Participate in software requirements review, preliminary and critical design reviews, integration readiness review, and software acceptance reviews
Design, write, test, deploy and support software code, as assigned
Perform software upgrades in accordance with software quality procedures
Frequent inter-organizational and outside customer contacts on technical matters
Support Continuous Improvement efforts intended to improve the quality of existing software
Design and implement new or existing standard software application programs and reports according to project software standards and conventions
Perform other duties as assigned

Knowledge, Skills and Abilities:

Deep understanding of relational databases and Microsoft SQL Server (T-SQL)
Strong knowledge of Model-View-Controller (MVC), Linq Query, and rest API development
Ability to build robust, maintainable web applications and services
Excellent communications and analytical skills required
Good Planning/organizing skills
Ability to prioritize and adapt to dynamic changes in the environment
Must be able to work under deadlines
Position may require travel 5%

Minimum Education and Experience Required:

Typically, 3 years of C# program experience with .NET technology, MVC, Linq, and rest API development with a Bachelor’s degree in a related technical discipline (e.g., BSEE, BSCS) or equivalent in Computer Science or related field
ReactJS programming experience preferred
Position may require the ability to pass and maintain a Security Clearance
US Citizenship is required.

Compensation Details:

$97k - $121k

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits (including 401(k) matching)
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

11/04/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters (https://postings.govdocs.com/#/vxSkbztPuAwwxfs) .

About employer

More about this job

Skills

Full-stack development
LINQ
API development
Troubleshoot
Process improvement
Microsoft SQL Server
SQL
Analytical skills
C#
.NET
Computer science

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