This job post has expired on April 10, 2026. It is likely that the position has already been filled.
Senior Full Stack Software Engineer at Mercor
posted 7 months agoSenior Full Stack Software Engineer | $85–115/hr | Redmond, WA (Onsite)
A prestigious tech company's AR/VR division is looking for a skilled contract Software Engineer (Level IV) to maintain and expand the software and systems powering their data collection lab in Redmond, WA. You'll work with cutting-edge prototype devices, collaborate with a multidisciplinary international team, and help ensure data collection processes are efficient, accurate, and reliable.
Key Responsibilities
- Develop software to interface with cutting-edge prototype hardware devices.
- Improve the efficiency, reliability, and accuracy of data collection pipelines.
- Work with recording equipment across audio and other modalities.
- Deploy, test, and evaluate upgrades to the data collection platform.
- Build and maintain system health monitoring tools.
- Enhance tooling for data validation and processing workflows.
- Work onsite to debug issues and conduct root cause analyses.
- Collaborate with engineers to triage, estimate, and resolve technical issues.
- Champion engineering best practices across a diverse team of engineers and researchers.
Required Qualifications
- BS in Computer Science or a related field, or equivalent professional experience.
- 6+ years of professional programming experience.
- Proven full stack software development background.
- Strong proficiency in Python, particularly within large-scale projects.
- Solid experience with Linux and shell scripting.
- Experience maintaining and improving network infrastructure.
- Familiarity with cross-platform distributed (RESTful) systems.
- CI/CD experience using GitHub or GitLab.
Preferred Qualifications
- Experience with hardware multimedia sensors.
- Working knowledge of audio, image, and video formats.
- Experience with relational and graph/NoSQL databases.
- Familiarity with software and hardware testing frameworks.
- Working knowledge of React or similar JavaScript frontend frameworks.
- Understanding of time-synchronization techniques.
- Systems administration experience on Windows.
- Experience with containerization and container orchestration.
This is a structured, role-based contract position administered through Cincinnatus, an enterprise staffing company. Employment is provided on a W-2 basis, including payroll, benefits, and compliance support, while you integrate directly with the client's internal team.
How to apply for this role
- Upload your resume — keep it up-to-date and in English. Mercor will auto-fill your profile from it.
- Complete the AI interview — a 15-minute conversation about your experience. Be ready to discuss specific projects and challenges you've solved.
- Submit your application — only about 20% of applicants finish all the steps, so completing yours puts you well ahead.