Senior Software Engineer C# / .NET
Re:Build Manufacturing
Location
Seattle, WA or Los Angeles, CA metropolitan areas
Type
Full-time
Posted
Dec 09, 2025
Compensation
USD 115000 – 170000
Mission
What you will drive
- Lead the design and architecture of software systems, ensuring scalability, reliability, and high performance.
- Solve complex technical challenges and optimize system performance through innovative solutions.
- Mentor and guide junior engineers, providing technical leadership and direction to help them grow.
- Collaborate with cross-functional teams, including product, QA, and operations, to drive product development and ensure successful delivery.
Impact
The difference you'll make
This role contributes to building America's next generation industrial company by developing cloud-native software solutions that power Re:Build's digital platforms, supporting the revitalization of US manufacturing and enabling highly complex systems and products across diverse industries.
Profile
What makes you a great fit
- Deep expertise in C# and proficiency with modern JavaScript frameworks, especially React, for building responsive, high-performance web applications.
- Strong experience architecting and deploying cloud-native, serverless, and containerized applications on AWS (Lambda, ECS, DynamoDB, S3, Step Functions, API Gateway, Fargate).
- Experienced in integrating AI/ML technologies into production software systems, leveraging frameworks like OpenAI, AWS Bedrock, and LangChain.
- Proficiency in designing and working with RESTful and GraphQL APIs, with awareness of authentication, authorization, encryption, and compliance best practices.
Benefits
What's in it for you
Salary Range: $115K to $170K, depending on candidate experience. Additionally, you will have an annual cash bonus and long-term incentive. Every employee of Re:Build will share ownership in the company and will share in the financial rewards of the success we achieve together, at all levels of the company.
About
Inside Re:Build Manufacturing
Re:Build Manufacturing is a growing family of industrial and engineering businesses combining enabling technologies, operational superiority, and strategic M&A to build America's next generation industrial company. They deploy deep expertise in engineering, operations management, and technology to supercharge the performance of their member companies, focusing on revitalizing US manufacturing.