Principal Software Engineer - Backend Jobs

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 ...

Backend Principal Software Engineer sought for an agile team in Bengaluru, India. You will design and develop scalable systems using Java, Python, Spring, and REST, deploying to Azure. Requires 8+ years of experience, strong debugging skills, and expertise in Kafka, ElasticSearch, and cloud platf...

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 ...

Lead the architectural vision for a cutting-edge SASE observability platform at Palo Alto Networks. As a Principal Backend Engineer in Santa Clara, you'll design systems handling billions of daily events using Rust/Go on GCP. Leverage AI-augmented development to solve complex distributed challeng...

Join Microsoft's AI organization as a Principal Backend Software Engineer. Develop next-generation shopping capabilities for Copilot and Browsers using your expertise in high-throughput systems. This role in Redmond requires 8+ years of experience with C++, C#, Java, or Python. Lead design, mento...

Join Microsoft Security in Redmond as a Principal/Senior Backend Engineer. Design and develop a scalable enterprise platform for critical security services and Copilot experiences. Leverage 8+ years of coding expertise in C#, Java, Python, or similar to mentor teams and drive technical excellence...

Join a world-class team to modernize the global infrastructure powering Office 365 web apps. As a Principal Backend Engineer in Noida, you'll design and build high-scale, geo-distributed services using C#, Java, or Python. Leverage your 12+ years of expertise to push the limits of scalability, re...

Lead backend development for Microsoft Security in Redmond. Design high-scale microservices using C#, Java, or Python to build a safer digital world. This senior role requires a Bachelor's degree and 6+ years of experience architecting reliable, efficient cloud solutions. Embrace a growth mindset...

Lead backend development for Microsoft Security, building reliable, secure cloud systems in C++, C#, or Python. This senior role in Redmond requires 6+ years of secure software design, live site operations, and mentoring expertise. Help shape a security cloud that protects customers worldwide in ...

Lead complex backend architecture and mentor junior engineers in Bengaluru. This senior role requires 10+ years of expertise in Java, C#, or C/C++ and a passion for solving large-scale technical challenges. Enjoy health coverage, paid volunteer days, and wellness resources while shaping impactful...

Lead backend development for Atlassian's JiraAlign in Gdańsk, impacting millions of global enterprise users. Utilize your 10+ years of experience and deep .NET/C# architectural skills to guide projects from design to launch. Enjoy health coverage, paid volunteer days, and a role mentoring junior ...