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Software Engineer United States Jobs (On-site work)

1844 Job Offers

Software Engineer with Poly SR SWE1
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Lockheed Martin seeks a Senior Full Stack Software Engineer in Bowie, MD, to lead agile development and advanced data analytics for high-visibility missions. Requires an active Top Secret clearance with polygraph, 7+ years of SWE experience, and expertise in JavaScript, React, and Mongo. You will...
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United States , Bowie
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TieTalent
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Senior Software Engineer Staff
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Senior Software Engineer Staff sought by Lockheed Martin in Washington, DC to lead cybersecurity software development. Requires 14+ years of SWE experience, a Bachelor’s in Computer Science, and an active security clearance with polygraph. You will design complex algorithms, integrate systems, an...
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United States , Washington
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Senior Software Engineer Staff - Clearance Required
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Senior Software Engineer Staff needed for Lockheed Martin’s Cyber & Intelligence division in Washington, DC. Must have 14+ years of SWE experience, a Bachelor’s in CS, and an active security clearance with polygraph. You will design, code, and integrate complex software solutions while leading te...
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United States , Washington
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Engineer, Software
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Seeking a skilled **Software Engineer** to design and deploy scalable solutions in **Bellevue, Overland Park, Frisco, or Bothell**. You will build **microservices** and **RESTful APIs** using **Java, Spring Boot**, and **cloud platforms (AWS/Azure)**. Requires a Bachelor's degree and 2-4 years of...
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United States , Bellevue; Overland Park; Frisco; Bothell
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92500.00 - 166800.00 USD / Year
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T-Mobile
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Software Engineer - Avionics Network Switch
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Seeking multiple Software Engineers for cutting-edge avionics network switch development in Phoenix, AZ. Requires 8+ years in safety-critical embedded systems, DO-178 experience, and C programming. Ideal candidates have a "go forth and conquer" mindset, expertise in real-time applications, and fa...
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United States , Phoenix
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Real Time Consulting
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Software Engineer - Avionics Display Applications
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Seeking a Senior Software Engineer to develop and integrate core Avionics Display Applications for a Next Generation Platform in Phoenix, AZ. Requires 5+ years of avionics software experience, C++ proficiency, and full lifecycle development under DO-178B/C. Ideal candidates have expertise in obje...
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United States , Phoenix
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Real Time Consulting
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Principal, Software Engineer, Back End
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Walmart seeks a Principal Back End Software Engineer to lead the Emerging-Tech group in Bentonville, AR. You will architect and build next-gen retail experiences, leveraging Java, distributed systems, and containerization (Docker/K8s). This role requires 12+ years of experience, expertise in scal...
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United States , Bentonville
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110000.00 - 220000.00 USD / Year
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Walmart
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Senior Software Engineer
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Senior Software Engineer sought for Walmart’s Health & Wellness Digital team in Sunnyvale, CA. Lead large-scale backend solutions using Java, Python, or Node.js with microservices and cloud platforms (AWS/Azure/GCP). Drive technical strategy, mentor engineers, and build high-performing systems fo...
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United States , Sunnyvale
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117000.00 - 234000.00 USD / Year
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Walmart
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Sr. Software Engineer - Distributed Systems
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Join Microsoft's Azure Data team as a Sr. Software Engineer in Redmond, WA, building the data platform for the AI age. You will design and implement highly available, distributed messaging components in the cloud, driving requirements and operational excellence. Requires a Bachelor's in CS with 4...
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United States , Redmond
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119800.00 - 234700.00 USD / Year
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Microsoft Corporation
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Sr. Software Engineer
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Sr. Software Engineer needed for a fully onsite contract-to-hire role in Margate, FL. You will lead .NET, C#, and React.js development, support business-critical applications, and drive modernization. Ideal for a hands-on lead with strong integration and troubleshooting skills. Join a small, coll...
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United States , Margate
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Robert Half
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Staff Software Engineer
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Staff Software Engineer needed to architect scalable, enterprise-grade solutions using Java, Spring Boot, React, and agentic technologies (LLMs, MCPs) for Walmart's OneSource platform. Drive global sourcing transformation with deep data integration and intelligent automation. Requires 10+ years i...
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United States , Sunnyvale
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143000.00 - 286000.00 USD / Year
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Walmart
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Senior Software Engineer Staff - Clearance Required
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Senior Software Engineer Staff sought by Lockheed Martin in Annapolis to lead cybersecurity software development. Requires 14+ years SWE experience, a Bachelor's in CS, and an active security clearance with polygraph. Design, code, and integrate complex systems while analyzing user requirements. ...
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United States , Annapolis
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Senior Software Engineer Staff - Clearance Required
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Senior Software Engineer Staff sought by Lockheed Martin in Baltimore to lead cybersecurity software development for critical national infrastructure. Requires 14+ years SWE experience, a Bachelor’s in CS (or equivalent), and an active security clearance with polygraph. You will design complex al...
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United States , Baltimore
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Senior Software Engineer Staff
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Senior Software Engineer Staff sought by Lockheed Martin in Baltimore to lead cybersecurity software development. You will analyze user requirements, design complex algorithms, and integrate systems for mission-critical defense networks. Requires 14+ years of SWE experience, a Bachelor’s in CS, a...
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United States , Baltimore
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Senior Software Engineer Staff - Clearance Required
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Senior Software Engineer Staff sought by Lockheed Martin in Baltimore to lead cybersecurity software development. Requires 14+ years SWE experience, a Bachelor's in CS, and an active security clearance with polygraph. You will design, code, and integrate complex systems while mentoring teams. Enj...
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United States , Baltimore
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Senior Software Engineer Staff - Clearance Required
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Senior Software Engineer Staff sought by Lockheed Martin in Gaithersburg to lead cybersecurity software development. Requires 14+ years SWE experience, a Bachelor's in CS, and an active security clearance with polygraph. Design, code, and integrate complex systems while analyzing user requirement...
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United States , Gaithersburg
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Senior Software Engineer Staff
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Senior Software Engineer Staff needed in Washington, DC to safeguard national security systems with cutting-edge cyber defense technologies. Requires 14+ years SWE experience, a Bachelor's in CS, and an active security clearance with polygraph. You will lead software design, develop complex algor...
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United States , Washington
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Senior Software Engineer Staff - Clearance Required
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Senior Software Engineer Staff sought by Lockheed Martin to lead cybersecurity software development in Washington, DC. Requires 14+ years SWE experience, a Bachelor’s in CS, and an active security clearance with polygraph. You will design complex algorithms, integrate systems, and mentor teams on...
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United States , Washington
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Software Engineer With Poly SR Swe1
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Senior Software Engineer with Polygraph needed for high-visibility mission at Lockheed Martin in Centreville, VA. You'll lead full stack development (JavaScript, React, Mongo) and data analytics projects, collaborating with cross-functional teams. Requires Active TS/SCI with polygraph, 7+ years S...
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United States , Centreville
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Senior Software Engineer Staff - Clearance Required
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Senior Software Engineer Staff sought by Lockheed Martin in Annapolis, MD to lead cybersecurity software development. Requires 14+ years SWE experience, a Bachelor’s in CS, and an active security clearance with polygraph. You will design complex algorithms, integrate systems, and mentor teams. En...
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United States , Annapolis
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About the Software Engineer role

Explore the dynamic and in-demand world of software engineering jobs, where professionals design, build, and maintain the digital infrastructure that powers modern life. Software engineers, often synonymous with developers, are the creative problem-solvers and architects behind websites, mobile apps, operating systems, and complex enterprise systems. This career path blends analytical thinking with creative design to translate user needs and business goals into functional, efficient, and scalable software solutions.

The core responsibility of a software engineer is the full software development lifecycle. This typically begins with analyzing requirements and collaborating with product managers, designers, and other stakeholders. Engineers then design system architecture, write clean and maintainable code, and rigorously test their creations to ensure reliability and performance. A significant part of the role involves debugging issues, optimizing existing systems, and deploying updates. Many engineers also participate in code reviews to maintain quality standards and contribute to technical documentation. In today's agile environments, they often work in iterative cycles, continuously integrating and delivering new features.

Software engineering jobs can be specialized, but common areas include front-end (client-side), back-end (server-side), and full-stack development. Front-end engineers focus on user interfaces and experiences using technologies like HTML, CSS, and JavaScript frameworks. Back-end engineers build the server logic, databases, and application programming interfaces (APIs) that power functionality behind the scenes. Full-stack engineers possess skills across both domains. Other specializations include DevOps, security, data engineering, and cloud-native development.

Typical skills and requirements for these roles are both technical and soft-skills based. Fundamentally, proficiency in one or more programming languages such as Python, Java, JavaScript, C#, or Go is essential. Understanding data structures, algorithms, and system design principles is crucial. Experience with frameworks, databases (SQL and NoSQL), and version control systems like Git is commonly expected. As software is increasingly built for the cloud, familiarity with services from providers like AWS, Azure, or GCP is a valuable asset. Equally important are strong problem-solving abilities, attention to detail, and effective communication skills for teamwork. While many positions require a degree in computer science or a related field, a proven portfolio and relevant experience are also highly valued pathways into software engineering jobs.

The profession offers immense variety, with opportunities to build everything from life-saving health applications and financial platforms to immersive games and cutting-edge AI tools. It is a career characterized by continuous learning, collaboration, and the tangible impact of creating products used by millions. For those with a logical mind and a passion for building, software engineering jobs present a rewarding and future-proof career path with endless possibilities for innovation and growth.