Staff Backend Engineer - Payments & Commerce Platform

Dadi Inc (acquired by Ro); New York (NY); On-site; USD 212,000 - 292,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

OneMedical membership

401(k) with company match

Flexible PTO

Wellbeing reimbursements

Parental leave

Job summary

Ro is seeking a Staff Software Engineer for its Commerce Platform in New York. You will lead as a technical architect and mentor, delivering scalable financial systems that power healthcare access and sustainability.

Work with engineers, product managers, designers, and cross-functional leads to balance near-term product needs with long-term stability, scalability, and maintainability. You will guide technical decisions and shape platform direction.

Qualifications

• 7 - 10+ years professional backend software development experience.
• Proficient in Python (preferred - we have some language flexibility!), relational databases, and frameworks like Django or FastAPI, with hands-on experience in metrics instrumentation and data-driven performance tuning using tools like Datadog.
• Proven experience building and maintaining high-scale backend systems, ideally in commerce, fintech, or healthcare settings.
• Deep understanding of distributed systems—data consistency, communication patterns, and service boundaries—backed by hands-on experience building and maintaining high-traffic production systems.
• Excellent communication skills and the ability to lead cross-functional technical projects.
• A sharp focus on quality and risk—you move with urgency while safeguarding against issues like double charges, misbilling, or inconsistent payment states.

Responsibilities

• Build robust, and scalable backend capabilities using Python and FastAPI, supporting critical commerce domains like payments, pricing, and invoicing.
• Lead cross-functional technical efforts — collaborating closely with product managers, designers, and engineers from adjacent teams to ensure alignment and technical integrity across boundaries.
• Drive engineering excellence through best practices in testing, monitoring, observability, and performance optimization.
• Define and maintain SLIs/SLOs in collaboration with product, infra and other development teams.
• Participate in on-call rotations to ensure reliability of commerce systems.

Skills

Python

FastAPI

Django

Datadog

Distributed systems

Communication

Leadership

Job description

Ro is seeking a Staff Software Engineer for its Commerce Platform in New York. You will lead as a technical architect and mentor, delivering scalable financial systems that power healthcare access and sustainability.

Work with engineers, product managers, designers, and cross-functional leads to balance near-term product needs with long-term stability, scalability, and maintainability. You will guide technical decisions and shape platform direction.