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Swimlane

Posted 27 Aug 2026

Sr. Principal Backend Engineer

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Employment
Full time
Team
Software Engineering
Posted
27 Aug 2026

About the role

We are looking for a high-impact Principal/Senior Principal Backend Engineer who can architect and build scalable backend systems powering enterprise-grade platforms. You will lead the design and development of high-performance distributed systems, work closely with product and platform teams, and drive engineering excellence across architecture, scalability, and reliability. This role requires deep expertise in C#/. NET backend development, strong database fundamentals, and experience building cloud-native systems at scale.


Responsibilities:

  • Architect and build scalable backend services and APIs using C#/. NET.
  • Design high-performance distributed systems and enterprise-grade backend architectures.
  • Build and optimize data-intensive applications using MongoDB and PostgreSQL.
  • Definite technical standards, architecture patterns, and engineering best practices.
  • Collaborate with product, platform, and engineering teams to deliver scalable features.
  • Mentor engineers and elevate code quality, design standards, and system reliability.
  • Identify performance bottlenecks and drive system scalability and optimization.


Requirements:

  • Experience: 9+ years.
  • Experience with cloud platforms (AWS / Azure / GCP).
  • Exposure to Kubernetes, Docker, or containerized environments.
  • Experience working on enterprise SaaS platforms.
  • Exposure to real-time systems or event-driven architectures.


Good to Have:

  • You enjoy building automation systems that solve real security problems.
  • You like working at the intersection ofcybersecurity, engineering, and AI.
  • You prefer building production-grade systems rather than prototypes.
  • You take ownership and enjoy working in fast-paced product environments.

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