Software Senior Engineer United States Jobs (On-site work)

Senior Software Engineer role in New York building AI-driven applications across a layered architecture. Requires full stack expertise in Angular, .NET Core, C#, and modern Java services. Must understand LLMs, RAG patterns, and AI agent workflows. Benefits include medical, vision, dental, and 401...

Senior Embedded Software Engineer needed in Lewis Center, US to design, develop, and test low-level firmware for next-gen products. Requires 6+ years of experience, proficiency in C/C++, Embedded Linux, RTOS, and communication protocols like USB/Ethernet. You will own the full development lifecyc...

Senior Full-Stack Software Engineer needed at Booz Allen in Fort Meade. You'll develop complex, production-ready systems using C++, JavaScript, and Python, solving high-stakes challenges with end-to-end solutions. Requires TS/SCI clearance with polygraph and 14+ years of experience. Enjoy top-tie...

Senior Lead Software Engineer (Go, Java, AWS) sought by Capital One in San Francisco. Lead a team building cloud-based, full-stack solutions for financial empowerment. Requires 6+ years software engineering experience, including 1+ year with AWS. Drive major tech transformation, mentor engineers,...

Senior Lead Full Stack Software Engineer sought by Capital One to drive transformation within its Global Payment Network. Lead diverse tech projects, mentor developers, and build cloud-based solutions using Java, Python, or Go. Requires 6+ years experience, cloud expertise (AWS, Azure, GCP), and ...

Senior Embedded Software Engineer needed in San Francisco to develop next-gen sleep technology. You will design C/C++ firmware and Embedded Linux solutions (Yocto, systemd, kernel) for IoT devices. Own platform security, implement secure boot, and collaborate with global manufacturing teams. Bene...

Senior Software Engineer sought by Teradyne, a global leader in test and automation. You will design and extend software for large test systems using C# .NET and WPF in North Reading, MA. Requires 10+ years of experience with distributed, multi-threaded applications and object-oriented design. En...

Lead the future of search at DoorDash as a Senior Staff Software Engineer. Architect next-gen indexing, retrieval, and ML ranking systems at massive scale (over a billion documents). Drive multi-year roadmaps across distributed systems and search infrastructure in San Francisco, Sunnyvale, or Sea...

Senior Software Engineer needed to build and scale AI-powered financial infrastructure for top CPG brands like OLIPOP and Dr. Squatch. You’ll design backend services, APIs, and data pipelines handling $20B+ in revenue. Requires 4+ years of backend engineering, systems design, and product instinct...

Join Uber’s Privacy & Security Engineering team as a Senior Software Engineer in San Francisco or Sunnyvale, CA. You’ll design scalable backend platforms using Go, Java, or Python, solving real-world privacy challenges at global scale. Collaborate with scientists and product teams to build fault-...

Senior Software Engineer Staff sought by Lockheed Martin in Capitol Heights to lead cybersecurity software development. Requires 14+ years SWE experience, a Bachelor’s in CS, and an active security clearance with polygraph. Design complex algorithms, integrate systems, and mentor teams while prot...

Senior Software Engineer Staff sought by Lockheed Martin in Alexandria, VA 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 algorithms, integrate systems, and analyze user requiremen...

Senior Software Engineer Staff sought by Lockheed Martin in Arlington, VA to lead cyber security 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, analyze user require...

Senior Software Engineer, Android Test Engineering at Reddit in San Francisco. Design scalable test frameworks and automated tools using Espresso, UIAutomator, and Kotlin. Drive quality across mobile releases with CI/CD and end-to-end testing. Enjoy comprehensive benefits, equity, and flexible PTO.

Senior Mission Planning Test Engineer needed at Eglin AFB, FL to support USAF fighter weapons testing. Requires active Secret clearance, fighter aircrew experience (Pilot/WSO on F-15, F-16, F/A-18, F-35, or F-22), and expertise in military mission planning systems. You will lead software test pro...

Senior Software Engineer needed to support U.S. Army programs with DCS. This role requires 10-12 years of DOD software engineering experience, U.S. Citizenship, and expertise in building high-quality, innovative software per DOD standards. You will design, develop, and test applications for milit...

Join Mastercard as a Senior Software Engineer in O'Fallon, MO, and drive performance improvements for global transaction switching. You will leverage deep C/C++ expertise in Linux to test, debug, and optimize authorization response times. This role involves automation scripting (Python, Perl, She...

Senior Software Engineer - Embedded role at Uber's AV Labs in Sunnyvale, CA. You will develop core firmware and device drivers for autonomous vehicle sensors (LiDAR, radar, cameras) and drive in-house hardware bring-up for next-gen L4 data collection platforms. Requires 5+ years of C/C++ experien...

Senior Software Engineer needed to design and build LoadUp’s next-gen cloud-native platform using Java, Spring Boot, and microservices. You’ll leverage AI tools like Copilot and Cursor, champion TDD with JUnit, and deploy on Kubernetes (EKS) in AWS. Located in Alpharetta, GA, this role offers top...

Senior Software Engineer sought for NorthStar Mapping System, blending software development with regulatory compliance in Burnsville, MN. Requires 5+ years’ experience, proficiency in C#, Python, or JavaScript, and expertise in regulated environments like medical devices. Key duties include desig...