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STACK Construction Technologies · 18 hours ago

Principal Software Engineer (C#/.NET)

United States

Full-time

Remote

Lead/Staff

10+ years exp

STACK Construction Technologies is seeking a Principal Software Engineer to play a critical leadership role in designing, building, and evolving the core software systems that power their cloud-based construction platform. This role involves shaping the technical direction, ensuring scalability and reliability, and collaborating with cross-functional teams to deliver impactful solutions throughout the construction lifecycle.

ConstructionReal EstateSoftware

Growth Opportunities

Responsibilities

Lead the architecture, design, and implementation of core backend systems using modern C# and .NET technologies, with a focus on scalability, performance, and maintainability

Define and own technical strategy for key platform domains, including service boundaries, data models, APIs, and event-driven workflows

Drive modernization initiatives such as upgrading .NET versions, improving modularity, refactoring legacy components, and enabling cloud-native patterns

Build and evolve secure, reliable REST and/or gRPC APIs, background processing services, and asynchronous/event-driven components

Establish and reinforce engineering best practices, including testing strategies, CI/CD pipelines, observability, documentation, and secure coding standards

Partner closely with Product Management and Engineering leadership to translate product roadmaps into sound technical designs and execution plans

Provide technical mentorship and guidance to senior and mid-level engineers through code reviews, design sessions, and coaching

Lead incident reviews and reliability improvements, reducing operational toil and improving system resiliency and uptime

Contribute to a culture of ownership, openness, and continuous improvement aligned with STACK’s values and customer-centric mindset

Qualification

C#.NETDistributed systemsCloud-native architecturesRelational databasesTechnical leadershipCommunication skillsCustomer-focused approach

Required

10+ years of professional software engineering experience (or equivalent impact), with deep expertise in C# and the .NET ecosystem

Proven success designing, building, and operating distributed systems and large-scale backend platforms

Strong experience with relational databases and data modeling, including performance tuning (e.g., SQL Server, PostgreSQL)

Advanced knowledge of modern .NET development, including: ASP.NET Core, dependency injection, middleware, authentication and authorization

Asynchronous programming, concurrency patterns, and performance profiling

Testing practices (unit, integration, and contract testing)

Solid understanding of cloud-native architectures, including microservices, messaging/eventing, caching, feature flags, and graceful degradation

Experience working in cloud environments (Azure preferred; AWS or GCP acceptable), including containerization and orchestration technologies

Strong technical leadership and communication skills, with the ability to influence decisions, align teams, and drive outcomes across functions

A product-minded, customer-focused approach, with an appreciation for how technology decisions translate into real-world value and ROI for construction professionals