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Senior SDET – Trading Systems | C#/.NET | Python | Backend/API Testing

Hybrid in Jersey City, New Jersey

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17d ago

Senior SDET Trading Systems | C#/.NET | Python | Backend/API TestingIntroductionQuellSoft is seeking an experienced Senior Software Development Engineer in Test (SDET) to support a large-scale Equity Derivatives Trading Platform within a leading investment banking environment. This is not a generic UI automation role. The ideal candidate will have strong hands-on experience across backend, API, database, integration, and UI automation, with the ability to validate complex trading workflows end-

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Contract, Third Party

Software Engineer II

Tulsa, Oklahoma

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Yesterday

Software Engineer II Location: Tulsa, OK Description Looking for a Developer/Engineer with at least 5+ years of experience. We would consider less experience if this person is clearly more skilled than their tenure would indicate. POS Projects: This person will be working on the Food Technology team rewriting existing applications to integrate with our new product management and inventory management solution. Communication: Person must be able to speak clearly and interact with team members

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Contract

Depends on Experience

Sr .NET Engineer-Puerto Rico - Remote

Remote or San Juan, San Juan

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Today

Position:Senior .NET Engineer Experience:8+Years Work Mode:Puerto Rico Remote Contract: 12+Month We are Lokking for a Dot net Full stack Developer-Puerto Rico Remote Frontend Development Develop and maintain responsive, modular, and high-quality Angular applications. Implement UI components using TypeScript, HTML5, CSS\LESS\SCSS, and RxJS reactive patterns. Manage global and component-level state using NgRx. Write robust unit tests using Jest to ensure high code quality and maintainability

Full-time

Senior .NET Engineer-Puerto Rico Remote

Remote or San Juan, San Juan

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Today

Full-time

AOC QA Tester

Little Rock, Arkansas

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21d ago

The Quality Assurance Tester is responsible for ensuring the overall quality and reliability of our software products that support the client Judiciary. The program will be a cloud-based system. JOB DUTIES: Develop and implement test plans, test cases, and test scripts for functional and non-functional testing. Perform testing and debugging of new and existing application software. Design, execute, and automate API testing using XUnit and manual testing using Postman. Collaborate with develop

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Contract

Depends on Experience

Senior .NET Developer

Dallas, Texas

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Yesterday

Job Title: Senior .NET DeveloperExperience: 12+ Years Employment Type: Contract (W2) Job SummaryWe are seeking an experienced Senior .NET Developer with strong expertise in C#, .NET Core, ASP.NET MVC, Web API, SQL Server, and cloud technologies. The ideal candidate should have hands-on experience designing, developing, and maintaining scalable enterprise applications using modern .NET technologies. Key ResponsibilitiesDesign, develop, and maintain enterprise-level applications using C#, .NET Cor

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Contract

Depends on Experience

.Net Software Developer :: Remote

Remote or New Jersey

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Today

.Net Developer/.Net Software Developer California, MD, US Remote, but in office on occasion or as needed Fulltime-- This software developer analyzes, designs and develops computer software required to support hardware or technical service products. Performs systems modeling, simulation and analysis. Reviews system architecture, selects, and implements appropriate development and support tools to ensure product performance. The products are components of the military aviation mission planning e

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Full-time

.Net Developer - Entry Level

Remote

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13d ago

We are seeking a motivated and detail-oriented Entry-Level .NET Developer to join our software development team. The ideal candidate will have a strong foundation in C#, .NET, ASP.NET Core, SQL Server, and object-oriented programming and a willingness to learn modern software development practices. The selected candidate will work with experienced developers to design, develop, test, debug, and maintain web applications and APIs while gaining hands-on experience with the complete Software Develo

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Full-time

30 - 37

Senior Full-Stack .Net Developer

Ashburn, Virginia

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Today

Job ID: 2617274 Location: Ashburn, VA, US Date Posted: 2026-09-25 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer-oriented Principal Software Engineer to join our team in Ashburn, VA to begin an exciting and challenging career with SA

Full-time

USD 120,001.00 - 160,000.00 per year

Full Stack .Net Developer

Ashburn, Virginia

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Today

Job ID: 2617276 Location: Ashburn, VA, US Date Posted: 2026-09-25 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer-oriented Mid-Level Software Engineer to join our team in Ashburn, VA to begin an exciting and challenging career with SA

Full-time

USD 80,001.00 - 120,000.00 per year

Software Engineer

Hybrid in California, Maryland

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30+d ago

Position Overview We are seeking an experienced Senior Software Developer to analyze, design, develop, test, and maintain software applications supporting military aviation mission-planning systems. The successful candidate will have strong software engineering experience in a Department of Defense (DoD) environment, excellent problem-solving and debugging skills, and the ability to work independently while collaborating effectively with development teams, customers, and end users. Key Responsib

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Full-time

Depends on Experience

Software Engineer III (Moorestown, NJ)

Moorestown, New Jersey

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Today

ROLE AND RESPONSIBILITIES Software Engineering - Work in a collaborative team using agile software development methodology, performing the following tasks: Develop software maintenance and upgrade solutions for tactical systems on a collaborative agile team. The candidate will engage in all activities associated with the software development lifecycle and support all process requirements and reviews as necessary. QUALIFICATIONS AND EDUCATION REQUIREMENTS Bachelor's degree (in Engineering, Comp

Full-time

Software Engineer II (Moorestown, NJ)

Moorestown, New Jersey

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Today

ROLE AND RESPONSIBILITIES Software Engineering - II Work in a collaborative team using agile software development methodology, performing the following tasks: Develop software maintenance and upgrade solutions for tactical systems on a collaborative agile team. The candidate will engage in all activities associated with the software development lifecycle and support all process requirements and reviews as necessary. QUALIFICATIONS AND EDUCATION REQUIREMENTS Bachelor's degree (in Engineering, Com

Full-time

.Net Technical Lead

Hybrid in King of Prussia, Pennsylvania

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17d ago

We are looking for a hands-on Senior .NET Full Stack Technical Lead to be the onsite technical lead and main technical owner for an application development stream at a large enterprise client. Technical Leadership & Delivery Responsibilities Act as the technical owner of the application development stream and the main technical escalation point for the development team. Turn business and functional requirements into technical designs, estimates and implementation plans. Own technical design

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Full-time, Third Party

Depends on Experience

Nebula Flight Software Engineer

Houston, Texas

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Today

Houston, TX About Intuitive Machines: Intuitive Machines is an innovative and cutting-edge space company making cislunar space accessible to both public and private customers. Our mission is to further science and exploration, communications, and economic progress from the Earth to the Moon and beyond. With multiple NASA lunar missions in development and additional private missions on our manifest, we pride ourselves in supporting NASA, our customers, and the nation in paving the way to return

Full-time

Sr. Software Engineer - .Net Full Stack

Buffalo, New York

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Today

This Sr. Software Engineer will be responsible at the advanced level for writing code and the team's technical requirements gathering. Independently completes work following banking technology standards and contributes to the overall stability and resiliency of banking technology within the Software Development Lifecycle (SDLC). Primary Responsibilities Work independently and within the boundaries of the approved Software Development Lifecycle (SDLC) to process, design, and develop applications

Full-time

USD 97,100.00 - 161,800.00 per year

Software Developer

Remote

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9d ago

Job Title Software Developer (Full time) Location: Remote, Candidate must be in the US and video-capable during work hours in EST. Candidates must reside in one of the following states: AZ, FL, GA, IL, IN, MA, MD, MO, NC, SC, NJ, PA, TX, VA, WV Job Description RESPONSIBILITIES As a Software Developer, you will play a crucial role in the design, development, and maintenance of our software applications. You will work closely with cross-functional teams to deliver high quality soluti

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Full-time

$60000 - $80000

Software Engineer III (Huntsville, AL)

Huntsville, Alabama

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Today

Full-time

Senior Full Stack .NET Developer – Mechanicsburg, PA (Onsite)

Mechanicsburg, Pennsylvania

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10d ago

Job Title: Senior Full Stack .NET Developer Location: Mechanicsburg, PA (100% Onsite) Employment Type: Contract-to-Hire (C2H) Experience: 10 Years Work Authorization: Candidates must be authorized to work in the U.S. without current or future employer sponsorship. Job DescriptionWe are seeking an experienced Senior Full Stack .NET Developer for a Contract-to-Hire (C2H) opportunity in Mechanicsburg, PA. The ideal candidate should have strong hands-on experience with C#, ASP.NET Core, .NET 6/8, An

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Contract

Depends on Experience

Software Test Engineer

Huntsville, Alabama

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Today

Software Test Engineer OASYS, INC., a Leading Edge Government contractor in Huntsville Alabama, is seeking applicants for a Software Test Engineer to support our customer in Huntsville, Alabama. Position Summary and Responsibilities: The Modeling and Simulation Software Test Engineer will test military medical planning software developed by the MM&S team by both creating and executing test procedures. The responsibilities of this position include, but are not limited to: Reviewing software r

Full-time