Staff Backend Engineer

This is a fully remote position, open to applicants in United States.

📋 Description

• Set the technical vision for comprehensive backend platform infrastructure, including durable workflow orchestration, transaction ordering, concurrency control patterns, and shared primitives.

• Design systems that encompass multiple services, addressing platform data flow, live-system migration strategies, and shared infrastructure API versioning.

• Establish reliability standards across services, including load testing profiles, deployment safety gates, and pre-launch failure-mode analysis.

• Develop tooling, templates, and enforce standards such as shared CI patterns, reusable service scaffolding, and common observability conventions.

• Align various engineering teams on a unified technical direction and foster consensus.

• Represent backend platform engineering in technical planning across the organization.

• Proactively identify architectural risks before they escalate into incidents.

• Adhere to Cari's information security policies and complete the necessary security awareness training.

• Safeguard the confidentiality, integrity, and availability of Cari's systems and data by employing least-privilege principles.

⛳️ Requirements

• 8-10+ years of backend software engineering experience, demonstrating a proven ability to set technical direction across multiple services or teams.

• In-depth expertise in at least one of the following areas: durable workflow/orchestration systems, distributed transaction ordering, or data consistency guarantees in financial or other correctness-critical systems.

• Strong proficiency in TypeScript.

• Production experience with Effect (effect.ts) or a similar functional effect system is highly preferred.

• Experience in designing systems that other teams can build upon.

• Proven ability to drive cross-team technical alignment without formal authority.

• Strong intuition regarding financial-grade reliability, including idempotency, at-least-once delivery, crash recovery, and reconciliation at a scale involving multiple services.

• Comfortable in identifying and articulating architectural risks.

• Previous experience in fintech, payments, or another regulated financial infrastructure environment, ideally at a significant transaction scale.

• Familiarity with blockchain or custody-adjacent transaction systems.

• Proven track record of creating internal platform tooling or standards that have been adopted organization-wide.

• Must reside in the United States.

• Must be legally authorized to work in the United States.

• Must not require employment visa sponsorship now or in the future.

🏝️ Benefits

• Competitive base salary, bonus, and equity.

• Comprehensive medical, vision, and dental benefits.

• 401(k) plan with company matching.

• Flexible PTO in a remote-first environment.

• Opportunity to influence a market-defining protocol alongside an experienced founding team.