Sr. Software Development Engineer

Blueprint Technologies•Redmond, WA

1d•$135,000 - $145,000•Onsite

About The Position

In this role, you will work on core operating system–level software, contributing to the development, maintenance, and modernization of a large, complex platform used at global scale. You’ll collaborate with distributed engineering teams to enhance system functionality, support legacy versions, and migrate existing test infrastructure into a newly developed test framework. This position requires deep expertise in C/C++ and systems programming, along with the ability to reason through low-level technical challenges and write high‑quality, maintainable code.

Requirements

Bachelor’s degree in Computer Science, Software Engineering, or a related field
5+ years of professional experience with C and C++ development
5+ years of systems programming experience
5+ years of experience working with distributed engineering teams
Strong understanding of operating system concepts and low-level programming
Proven ability to debug, troubleshoot, and resolve complex technical issues
Solid knowledge of the full software development lifecycle
Excellent verbal and written communication skills
Ability to work independently, manage time effectively, and prioritize tasks

Nice To Haves

10+ years of overall software engineering experience
Experience working on large, complex, or long‑lived codebases
Prior experience supporting both modern and legacy system versions
Familiarity with test frameworks and test infrastructure modernization
Experience with system-adjacent technologies such as databases or scripting tools
Strong mentoring skills and experience guiding junior engineers
Background in performance optimization, reliability, or security-focused development

Responsibilities

Design, develop, test, and maintain systems-level software using C and C++
Contribute to core platform source code and cross-version product changes
Support and maintain legacy versions while implementing modern enhancements
Migrate existing test code into a newly developed test framework
Review, debug, and optimize code for performance, reliability, and security
Collaborate with engineers across distributed teams on design and implementation
Estimate effort, scope, and timelines for assigned development work
Develop and follow engineering standards, guidelines, and best practices
Troubleshoot complex system issues and implement effective solutions
Provide technical guidance and mentorship to other engineers as needed