Node.js + AWS
Senior / Staff Full-Stack Engineer
Own product work end-to-end across payments, document workflows, and agent orchestration, from UI through backend logic and infrastructure.
Careers at Blue
Blue is building foundational infrastructure for the AI economy: systems designed to make complex coordination verifiable, reliable, and ready for real-world use.
We are a small team working on ambitious technical problems with a strong focus on quality, ownership, and thoughtful execution. If you're looking for a place where strong work has visible impact, Blue may be a good fit.
Culture fit
We value people who are comfortable with ownership, work well independently, and approach problems with a systems mindset.
We do our best work with people who are comfortable taking ownership, working independently, and following problems all the way through.
We value engineers who care about consistency, reliability, and how real-world constraints shape architecture and product decisions.
We appreciate direct communication, sound judgment, and steady execution focused on outcomes rather than optics.
Hiring process
We keep the sequence focused so both sides can understand fit, technical quality, and the shape of the work.
Up to 60 minutes
A practical conversation about your background, the kind of work you want to do next, and the context behind the role.
No live coding
We prefer to evaluate technical ability through a realistic take-home task that gives you time to think and show the quality of your approach.
Up to 90 minutes
A deeper discussion with a technical leader or senior team member about your experience, engineering judgment, and approach to the assignment.
Clear feedback and a timely decision
We gather feedback, review the process carefully, and aim to communicate clearly throughout.
Open positions
Both roles are senior-level, deeply hands-on, and close to the product and protocol decisions that matter.
Node.js + AWS
Own product work end-to-end across payments, document workflows, and agent orchestration, from UI through backend logic and infrastructure.
AWS · Infrastructure · Distributed Systems
Own the infrastructure that keeps Blue trustworthy: event-driven processing, CI/CD, observability, reliability, and AWS architecture.