Software Engineer, Unified Gateway
DoorDash USA · San Francisco, CA;Seattle, WA;Los Angeles, CA;New York, Ny
About this role
**Software Engineer, Unified Gateway** ## About the Team Help us build the world’s most reliable, on-demand logistics engine for last-mile delivery. We’re bringing on experienced engineers to create and maintain a 24x7, no-downtime, global infrastructure system that powers DoorDash’s three-sided marketplace of consumers, merchants, and dashers. ## About the Role As a member of the Unified Gateway team, you’ll build and maintain the API Gateway platform that sits at the front door of DoorDash’s traffic: an HTTP-to-gRPC reverse proxy. It accepts REST/JSON requests, translates them into Protocol Buffer messages, calls downstream gRPC services, and translates responses back to clients. The platform empowers product engineers to declaratively define, test, deploy, and operate API endpoints without standing up and managing their own edge services. It centrally handles authentication, authorization, request/response mapping, header propagation, encryption, and resilience—powering experiences across DoorDash, Wolt, and Deliveroo on iOS, Android, and Web. By providing this robust platform, we deliver improvements in: - **Velocity:** iterate faster and deliver features more quickly - **Scalability:** handle increasing demand and traffic seamlessly - **Reliability:** safe programming model + centralized management + standardized practices - **Cost Efficiency:** consolidate resources and streamline operations ## You’re excited about this opportunity because you will… - Design and build robust, scalable systems with long-term maintainability in mind - Improve performance, reliability, scalability, and security across the gateway and request-processing pipeline - Drive best practices in API management, service discovery, load balancing, and fault tolerance - Champion adoption of the Unified Gateway platform across product teams - Troubleshoot and resolve complex issues in a high-throughput production environment - Evaluate and integrate new technologies to enhance platform capabilities - Leverage AI-assisted development tools and best practices ## We’re excited about you because you… - Have **2+ years** of experience in backend, infrastructure, or platform engineering - Have experience with **gRPC, REST APIs, Protocol Buffers**, and service-to-service communication patterns - Have deep knowledge of best practices in **Kotlin (or another JVM language)** for high-scale, resilient systems (experience with **Vert.x** is a plus) - Have experience working on **high-throughput, mission-critical** production systems - Understand distributed systems concepts (consistency, fault tolerance, load balancing, resilience patterns) - Are comfortable with API gateway/proxy concerns: authentication/authorization, request routing, and schema/contract management (e.g., **OpenAPI**) - Value solving problems at the platform level by building abstractions that make life easier for many engineers - Are proficient using AI coding tools (e.g., **Claude Code, Codex, Cursor**) across the full lifecycle: designing, generating code, testing, monitoring, and releasing ## Compensation & Benefits (Summary) - **National base pay range (US, including IL and CO): $130,600 — $192,000 USD** - Base salary is localized by work location; equity grants may be available - Comprehensive benefits include medical/dental/vision, 401(k) with employer matching, paid parental leave, wellness and commuter benefits, paid time off and paid sick leave, and more ## About DoorDash DoorDash’s missi
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