Software Engineer (Backend) United States Jobs

Backend Software Engineer 2 sought for mission-critical systems in Annapolis Junction. Requires 8+ years of experience, Java, Spring Framework, RESTful APIs, and MongoDB. Must hold an active Security Clearance with Polygraph and DOD 8570 Certification. Benefits include free vision/dental, 6% 401k...

Principal Software Engineer – Backend role at Microsoft Security in Redmond, WA. Design and implement high-quality, maintainable code for Microsoft Defender for Office, integrating AI capabilities and GPU utilization. Requires 6+ years in C, C++, C#, Java, or Python with a Bachelor’s in CS. Join ...

Join Uber's Communications Platform as a Senior Backend Engineer in San Francisco or Sunnyvale. Architect and build highly scalable, mission-critical systems powering real-time and offline communications for millions of users. Requires 4+ years of experience, proficiency in Python, Go, or Java, a...

Join Microsoft 365 RDX as a Software Engineer II (Backend) in Redmond, WA. Design and build the global Office Click-to-Run deployment platform using C++ and C#. You'll develop distributed systems and backend APIs for reliable updates across millions of devices. Ideal for engineers with 2+ years e...

Senior Software Engineer, Backend – Build and operate the large-scale, low-latency distributed systems powering Microsoft Advertising in Redmond, WA. You will write high-performance C++ code, own services end-to-end, and drive reliability on the critical revenue path. Requires 4+ years of enginee...

Senior Software Engineer (Backend) role in Redmond, WA. Design and maintain backend services using Ruby on Rails and Java (Dropwizard) for Viva Engage, driving AI and copilot adoption. Requires a Bachelor's in CS and 4+ years coding in C, C++, C#, Java, JavaScript, or Python. Own services end-to-...

Join Hover as a Senior Software Engineer, Mobile Backend in San Francisco or New York. Design and build scalable, reliable backend services and APIs using Ruby on Rails for our core mobile platform. We seek a full-stack engineer with 5-8+ years of experience, strong cloud and database skills, and...

Lead the development of a cutting-edge, cloud-based security infrastructure at massive scale. As a Principal Software Engineer, you will architect scalable microservices and data pipelines in Python/Golang. This role in Santa Clara demands strong technical leadership and expertise in distributed ...

Join Palantir's defense team in New York, building mission-critical backend systems for global military operations. Develop scalable, high-performance services and APIs using Java, C++, or Python within a microservices architecture. This role requires eligibility for a US Security clearance and o...

Join Palantir's defense vertical to build mission-critical software for modern warfighters. You'll architect scalable backend systems and robust APIs using Java, C++, or Python in Washington, D.C. This role requires a security clearance and offers comprehensive benefits, including generous paid t...

Join Palantir's defense team as a Backend Software Engineer in Palo Alto. Develop mission-critical, scalable backend systems and APIs for the modern warfighter using Java, C++, or Python. This role requires eligibility for a US Security clearance and offers a complete benefits package including c...

Join our Philadelphia team as a Senior Backend Engineer. Design and build scalable data pipelines and services in Python 3.10+ with FastAPI and AWS. Leverage AI coding agents daily while ensuring robust data integrity and system architecture. Enjoy competitive compensation, comprehensive benefits...

Join our San Francisco team as a Backend Software Engineer. You will design and build scalable, secure systems using TypeScript, Node.js, and AWS. Your focus will be on identity management, security protocols, and high-performance cloud services. We offer competitive pay, equity, comprehensive he...

Join Kensho, S&P Global's AI innovation hub, as a Senior Backend Software Engineer. Design and develop customer-facing RESTful APIs, turning business requirements into technical plans. Enjoy top benefits like unlimited PTO, 100% paid medical premiums, and generous 401(k) matching in Cambridge or ...

Join our San Francisco team as a Backend Software Engineer. You will design and build secure, scalable systems using TypeScript, Node.js, and AWS. Your work on identity management and cloud-native databases will be key. We offer competitive pay, equity, healthcare, and flexible time off.

Join Roku's APS team in San Jose as a Senior Backend Engineer. Design and operate large-scale, distributed cloud services on AWS/GCP for millions of devices. Leverage 10+ years of Java and Kubernetes expertise to drive architecture and mentor engineers. Enjoy comprehensive benefits including heal...

Join Microsoft's Bing GenAI team to revolutionize AI-powered search. As a Backend Software Engineer in Mountain View, you'll build high-performance C# services for Copilot and Bing. Work on prompt engineering, LLM optimization, and scalable systems with top talent. Requires a degree and 2+ years ...