Staff Back-end Engineer

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Staff Back-end Engineer in USA

Coupang
Full time
Email

USA
09/29/2026
Report

Seattle, WA

Responsibilities

Design, implement, and operate high-throughput, low-latency distributed systems and microservices in production.
Own new features that improve platform scalability, reliability, availability, extensibility, and performance.
Establish architecture paradigms, API standards, and technical strategy across multiple engineering teams.
Lead technical turnarounds including zero-downtime database migrations, legacy modernization, and infrastructure cost optimization.
Drive observability and reliability engineering practices, including distributed tracing, chaos engineering, and incident management leadership.
Provide technical mentorship and help develop Senior engineers into Lead and Staff roles.

Requirements

7+ years of professional software development experience focused on large-scale back-end systems and microservices architectures.
Proven experience designing, building, and operating distributed systems with strict availability and durability SLAs/SLOs.
Deep mastery of at least one modern back-end language such as Go, Java, Python, C++, or Rust.
Strong proficiency with relational and non-relational databases such as PostgreSQL, MySQL, Cassandra, Redis, and DynamoDB.
Experience establishing architecture paradigms, API standards including REST, gRPC, and GraphQL, and technical strategy across multiple teams.
Hands-on experience with AWS, GCP, or Azure; Kubernetes; and modern CI/CD pipelines.
Preferred experience with event-driven architectures, Apache Kafka, RabbitMQ, or Pulsar.
Preferred background in observability, distributed tracing, OpenTelemetry, chaos engineering, incident management leadership, and technical mentorship.

Benefits

Medical, dental, vision, life, AD&D, disability, FSA, HSA, EAP, and 401(k) benefits with company match.
18–21 days of paid time off annually based on tenure, 12 public holidays, and paid parental leave.
Pre-tax commuter benefits and free electric car charging station access.
Base pay ranges from $152,000 to $261,000 per year depending on geographic market, knowledge, skills, and experience.

Salary: $152k - $261k/yr

Coupang

Coupang is a technology and Fortune 150 company listed on the New York Stock Exchange (NYSE: CPNG) that provides retail, restaurant delivery, video streaming, and fintech services to customers around the world under brands that include Coupang, Eats, Play, Rocket Now, and Farfetch.

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