Senior AI-Driven Systems Architect

Calibrex; New York (NY); On-site; USD 180,000 - 280,000; Full time

Benefits offered by this job

Cash bonus

Equity package

Great benefits

Job summary

Calibrex is seeking a Principal Software Engineer to lead as a hands-on technical leader responsible for architectural decisions, scalable systems, and reliable software delivery. You will own critical components and mentor peers.

You will work with the founding team, set technical direction, and partner with the CTO on roadmaps, while leveraging AI-assisted development tools to accelerate progress. This senior IC role offers autonomy in a fast-growing pre-IPO environment with strong benefits

Qualifications

• 8+ years of professional software engineering experience with production systems at scale.

Responsibilities

• Own the architectural judgment behind the systems we build and design critical components.
• Write and review production code and improve how we ship and operate software.
• Raise the engineering bar through clear technical direction and mentorship.
• Collaborate with the CTO to develop product roadmaps, deliverables, and timing.
• Explain technical choices clearly to founders and non-technical partners.

Skills

Systems architecture

APIs design

Distributed systems

Cloud infrastructure

Reliability & observability

Security & privacy

Technical leadership

Hands-on coding

AI-assisted development

Tools

Codex

Claude

Job description

Calibrex is seeking a Principal Software Engineer to lead as a hands-on technical leader responsible for architectural decisions, scalable systems, and reliable software delivery. You will own critical components and mentor peers.

You will work with the founding team, set technical direction, and partner with the CTO on roadmaps, while leveraging AI-assisted development tools to accelerate progress. This senior IC role offers autonomy in a fast-growing pre-IPO environment with strong benefits