Senior Software Development Engineer, Full Stack

Role Overview

Senior Software Engineer (Full‑stack) – Identity web and mobile app experience. Join a team of talented front‑end and full‑stack engineers focused on the UI surfaces and front‑end systems behind login, sign‑up, account management, and cross‑brand navigation.

• Design, implement, and maintain robust, secure, and scalable services and applications, including low‑level system design, API design, and data modeling to support business‑critical identity capabilities.
• Build scalable, reusable, and component‑driven web UI architectures using modern frameworks (React, Node.js, JavaScript/Type Script), integrating seamlessly with GraphQL APIs.
• Design, evolve, and maintain GraphQL schemas and consume those schemas across web and mobile clients to support login, profile, and account experiences.
• Write clean, reliable, and well‑tested code using sound engineering principles, design patterns, and rigorous code review practices.
• Own end‑to‑end delivery of features and services, from technical design through deployment, monitoring, and iteration, ensuring high availability and operational excellence.
• Diagnose and resolve complex production issues, perform root‑cause analysis, and drive long‑term improvements in reliability, observability, and resilience.
• Collaborate closely with product, design, and partner engineering teams, contributing to discovery, backlog prioritization, and data‑driven decisions while ensuring solutions are reusable across domains.
• Apply AI‑enabled tools and workflows responsibly to improve development efficiency, reliability, and engineering outcomes.

• Bachelor’s degree in Computer Science or a related technical field, or equivalent professional experience.
• 10+ years of professional software engineering experience.
• Experience building and operating production services or applications, with clear ownership of features or systems.
• Proficiency in at least one modern programming language and strong fundamentals in data structures, algorithms, system design, and problem solving.
• Strong experience with GraphQL, including schema design, evolution, and client consumption.
• Experience owning the full software development lifecycle, including design, implementation, code reviews, testing, deployment, and monitoring.
• Full‑stack experience using JavaScript, Type Script, React, Java or Kotlin, and GraphQL.
• Experience maintaining production systems, including debugging, monitoring, and operational support.
• Experience designing APIs and building user‑facing applications consumed across teams or business units.
• Understanding of testing, observability, and monitoring tools (unit/integration testing frameworks, logging, metrics, alerting).
• Familiarity with AI‑assisted development tools and workflows.

• Ability to evaluate and select technologies while understanding trade‑offs between platforms and architectures.
• Experience working on consumer‑facing e‑commerce applications within Identity and Access Management domain.
• Experience developing mobile and cross‑platform identity experiences (web plus native apps) such as deep linking, cross‑device login, SSO, and account linking.
• Experience integrating and operating AI‑ or ML‑enabled solutions in the product or development lifecycle, with appropriate safeguards.
• Experience leading technical direction and driving architecture decisions for distributed systems at scale.
• Deep understanding of application architecture patterns.
• Track record of improving operational excellence through observability, performance optimization, and resilient design for high‑traffic, customer‑facing applications.

The total cash range for this position in Seattle is $ to $. Employees in this role have the potential to increase their pay up to $, the top of the range, based on ongoing, demonstrated, and sustained performance in the role.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other characteristic protected by law. This employer participates in E‑Verify.