Senior C# Application Developer Jobs

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Senior Software Engineer

Apex Systems

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Tampa, Florida, USA

Full-time

Job#: 2076731 Job Description: #clearance Position Name: Senior Software Engineer Location: Tampa, FL SECRET Clearance required Description: The Senior Software Engineer is a member of the Software Engineering team, responsible for designing web infrastructure, development and maintenance of software applications, autonomous services, desktop applications, web applications, web services, scripts, and utility programs. Conducts analysis and collaborates with subject matter experts in the pla
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Posted 25 days ago | Updated 9 hours ago

Lead Engineer - Red Team

Target Corporation

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Remote or Brooklyn Park, Minnesota, USA

Full-time

The pay range is $128,000.00 - $231,000.00 Pay is based on several factors which vary based on position. These include labor markets and in some instances may include education, work experience and certifications. In addition to your pay, Target cares about and invests in you as a team member, so that you can take care of yourself and your family. Target offers eligible team members and their dependents comprehensive health benefits and programs, which may include medical, vision, dental, life
Posted 60+ days ago | Updated 9 hours ago

Senior Software Engineer (AI/ML)

Microsoft Corporation

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No location provided

Full-time

The Worldwide Fleet Resources Lifecycle Management team is dedicated to revolutionizing the management and optimization of Microsoft's global fleet resources. In addition to enhancing operational efficiency, reducing costs, and improving sustainability, the team is responsible for automating how new hardware is verified, managed, and delivered to Microsoft datacenters. This includes supporting Azure, High-Performance Computing, Office, and Edge Computing products within Microsoft. By enabling th
Posted 6 days ago | Updated 9 hours ago

Member of Technical Staff, Platform Engineer

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Overview As Microsoft continues to push the boundaries of AI, we are on the lookout for passionate individuals to work with us on the most interesting and challenging AI questions of our time. Our vision is bold and broad - to build systems that have true artificial intelligence across agents, applications, services, and infrastructure. It's also inclusive: we aim to make AI accessible to all - consumers, businesses, developers - so that everyone can realize its benefits. Microsoft AI (MAI) is
Posted 60+ days ago | Updated 9 hours ago

Senior Software Engineer - Embedded Cybersecurity (Onsite)

RTX Corporation

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Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-04-04 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite Our Crypto team in the Software Technologies directorate creates some crazy advanced embedded cryptographic capabilities for U.S. military communications products. We regularly work with the N.S.A. to ensure our military communications are secure and trustworthy. Our team works alongside multiple hardware, FPGA and software t
Posted 60+ days ago | Updated 9 hours ago

Software Engineer II (.Net)

Travelers

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Hartford, Connecticut, USA

Full-time

Who Are We? Taking care of our customers, our communities and each other. That's the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 160 years. Join us to discover a culture that is rooted in innovation and thrives on collaboration. Imagine loving what you do and where you do it. Compensation Overview The annual base salary range provided for this position is a nationwide market range and re
Posted 60+ days ago | Updated 6 hours ago

Specialist, Software Engineering 1

Harris Corporation

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Anaheim, California, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie
Posted 1 day ago | Updated 9 hours ago

Senior Software Engineer (Onsite)

RTX Corporation

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Morrisville, North Carolina, USA

Full-time

Date Posted: 2025-04-14 Country: United States of America Location: NC606: Raleigh NC-Aviation Pkwy 951 Aviation Parkway Suite 300, Morrisville, NC, 27560 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: Secret - Current Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospac
Posted 60+ days ago | Updated 9 hours ago

Software Developer Lead, Vice President, Onsite

State Street Corporation

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Boston, Massachusetts, USA

Full-time

Who we are looking for Software Developer Lead with 10+ years of experience as a software developer/engineer. The candidate will have expert-level experience as a full stack software developer, with excellent Java, and Oracle PL/SQL skills, and some UI technology, preferably React JS. Additional experience in C#/.NET is a plus. The candidate will work as part of a highly skilled development team located onshore, with additional team resources in China and India. The candidate will be a hands-on
Posted 55 days ago | Updated 9 hours ago

.Net Developer with Azure exp

Digitek Software, Inc.

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Columbus, Ohio, USA

Third Party, Contract

One of our clients is looking for the position of .Net Programmer based on following skills. ON SITE Job Description: Primary work objectives: MHAS is looking for a skilled Solution Architect/Senior Developer to refactor an existing custom .net/C# Human Resources software suite hosted on Azure to meet the needs of our Agency and constituents. In addition to the attached technical proficiencies the selected candidate will demonstrate the ability to work directly with our Human Resource professi
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Posted 60+ days ago | Updated 3 days ago

Senior Controls & Instrumentation Engineer - Hiring Bonus Available

Jacobs

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Tullahoma, Tennessee, USA

Full-time

Join our team turning abstract ideas into realities. Collaborate with industry experts to develop solutions to mission-critical challenges, such as NASA's return to the moon, the DoD's national security initiatives, international automotive manufacturers' development of fuel-efficient and electric vehicles, and the DoE's energy research. We tackle challenges in emerging technologies, cyber, intelligence, space exploration, energy transformation, and resiliency to ensure national security. As the
Posted 60+ days ago | Updated 9 hours ago

Full Stack Developer

ACL Digital

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Minneapolis, Minnesota, USA

Full-time

Develop amazingly efficient and effective software using Java, C#, Python, .Net, Spring Boot, Microservices, APIs Enhance and maintain on prem and internal PAAS applications, and actively rework these to AWS along project timelines Help to design and implement serverless patterns from containerized applications Build industry standard APIs and help with establishing, consuming & routing calls, connectivity protocols and policy Design, develop and implement architecture patterns that are optimize
Posted 3 days ago | Updated 9 hours ago

Director, Software Engineering

Visa Inc.

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Austin, Texas, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 12 days ago | Updated 9 hours ago

Software Engineer

CAE USA Inc.

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Jacksonville, Arkansas, USA

Full-time

About This Role Who We Are: CAE Vision: Our vision is to be the worldwide partner of choice in defense and security, and civil aviation by revolutionizing our customers' training and critical operations with digitally immersive solutions to elevate safety, efficiency and readiness. CAE Defense & Security Mission: CAE's Defense and Security business unit focuses on helping prepare military customers to develop and maintain the highest levels of mission readiness. CAE Values: Empowerment, Innovat
Posted 30 days ago | Updated 9 hours ago

Senior Aerospace Systems Engineer

PSR Associates, Inc.

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Canonsburg, Pennsylvania, USA

Full-time, Contract

PSR Associates is a consulting and talent solutions firm that connects qualified IT professionals with great opportunities. Whether you're looking for a contract or permanent position, we can help you find the right fit for your skills and experience. We have a team of experienced recruiters who know the IT industry inside and out, and we work with you every step of the way to ensure a smooth and successful transition. PSR Connecting Talent, Crafting Success. Senior Aerospace Systems Engineer Lo
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Posted 60+ days ago | Updated 4 hours ago

Staff Software Engineer

Visa Inc.

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Bellevue, Washington, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 13 days ago | Updated 9 hours ago

Full Stack Software Engineer (Starlink Operations)

SpaceX

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Redmond, Washington, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. FULL STACK SOFTWARE ENGINEER (STARLINK OPERATIONS) The Starlink Operations team is responsible for enabling efficient production of Starlink satellites and ground stations. We are seeking a full-stack software engineer
Posted 60+ days ago | Updated 9 hours ago

Software Developer Cyber - SWE 3

Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. You'll develop innovative offensive cyber capabilities that help protect the nation and the world. Cyber Lockheed Martin Who we are: Are you driven by the thrill of outsmarting even the most advanced security systems and
Posted 60+ days ago | Updated 9 hours ago

Associate, Software Engineer (Palm Bay, FL)

Harris Corporation

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Palm Bay, Florida, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie
Posted 20 hours ago | Updated 9 hours ago

Software Engineer II (ONSITE)

RTX Corporation

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Morrisville, North Carolina, USA

Full-time

Date Posted: 2025-05-09 Country: United States of America Location: NC606: Raleigh NC-Aviation Pkwy 951 Aviation Parkway Suite 300, Morrisville, NC, 27560 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologi
Posted 60+ days ago | Updated 9 hours ago