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Staff Backend Product Engineer, Operations Technology
Staff backend engineer at HelloFresh designing and scaling food-systems infrastructure in Python, Go, or Kotlin, while partnering with business teams to deliver menu operations and xPS migrations.
Staff Backend Engineer, Customer Value Optimization
Staff-level backend engineer at HelloFresh in Toronto building and owning scalable production infrastructure for serving ML models, acting as the technical bridge between Data Science and Backend Engineering in the Customer Value Optimization tribe. Core stack: Python, distributed systems, APIs, and microservices, with a hybrid 3-days-in-office model.
[Ads] Staff, Back-end Engineer [L6-1] (Advertiser Platform)
Develops and designs backend services for Coupang's ad platform, focusing on scalable, low-latency systems and APIs to support advertiser campaigns and reporting.
Staff, Back-end Engineer (Advertiser Platform)
Designs and builds scalable, low-latency backend services for Coupang’s ad platform, integrating with microservices and APIs to power real-time advertiser campaigns on the ecommerce giant’s site and apps.
Sr. Staff Backend Engineer
Senior backend engineer on Coupang's Marketplace Growth team in Seattle, building large-scale streaming data pipelines and infrastructure that power third-party seller tools. Core stack is Java/Spring on AWS with big data tech like Spark, Flink, Kafka, and ClickHouse.
Staff Software Engineer (Backend)
Senior hands-on individual contributor (Staff/Principal level) in Singapore who designs, builds, and maintains scalable, highly available backend systems on AWS, drives technical architecture, and uses AI-assisted dev tools daily. Stack includes Java/Go/Python/JS/TS, Kubernetes/ECS, MySQL, MongoDB, Kafka, Redis, and Elasticsearch/OpenSearch.
Staff Software Engineer, Backend
Staff Backend Engineer at Genius AI (HearstLab) — a hands-on IC role setting backend architecture for AI-powered 0-to-1 products, integrating LLMs into production systems, shipping proof-of-concepts, and unblocking engineers. Core technologies: Kotlin, AWS, and Kubernetes, with TypeScript as a plus.
Staff Backend Engineer - Core AI
At Anzen, an a16z-backed startup building an AI platform for commercial insurance brokers, this Staff Backend Engineer owns the core ML backend end to end — framing business problems as ML problems, shipping production models, and architecting distributed, real-time inference systems in Python/TypeScript that make insurance underwriters 5-10x more effective.
Staff Software Engineer Backend
Lead backend engineering at a global caller-ID and spam-blocking platform, guiding scalable systems that serve 500M+ users while mentoring engineers and shaping technical strategy.
Senior Staff Software Engineer Backend
The Senior Staff Software Engineer will lead multi-team backend initiatives, balancing hands-on technical guidance with strategic leadership to ensure scalable, high-quality infrastructure. The role requires deep expertise in Scala, Java, or Go and experience with distributed systems to support millions of global users.
Staff Software Engineer (Backend, Business Systems)
Staff backend engineer on WHOOP's Business Systems team in Boston: architects, builds, and runs backend services, APIs, and integrations powering internal operations like supply/demand planning, inventory, order management, and fulfillment. Expects strong skills in a modern backend language (Java/Python/Go), relational databases, APIs, and cloud/distributed systems.
Staff Java Backend Developer
Staff-level backend developer at Mindera designing and building robust, scalable backend systems in Kotlin/Java, owning the technical side of development across the full SDLC in an Agile team, including mentoring juniors. Core stack: Terraform, Kafka, Kubernetes, GraphQL Federation, Azure Cloud, Git and CI/CD, with TDD-driven testing.
Staff Back-end Engineer [L6-1] (NCA Services)
Backend engineer on Coupang's NCA & TW Ads team in Shanghai, driving the AI-first evolution of ad systems (bidding, ranking, serving). Day-to-day: architect core ad systems, build ML training/evaluation infrastructure, and deliver end-to-end AI/ML systems from offline training to low-latency online serving and A/B testing, using Java/Python and deep learning frameworks.
Staff Back-end Engineer [L6-1] (NCA Services)
Staff backend engineer on Coupang's NCA & TW Ads team in Shanghai, building new-user-acquisition ad systems (bidding, ranking, serving) and leading their evolution from rule-driven to AI-first/model-driven, including ML training and evaluation infrastructure, online inference, and A/B experiments. Core stack: Java/Python, large-scale distributed systems, and deep learning frameworks.
[Coupang Pay] Staff Back-end Engineer [L6-1] (Global Payments)
Staff backend engineer on Coupang Pay's Product Engineering team, building and scaling the Coupay one-touch payment platform and related fintech services in Java on large-scale distributed systems, while collaborating with accounting, treasury, and fintech teams on back-office operations. This posting is internal-only for current Coupang employees.
[Coupang Pay] Staff Back-end Engineer (Global Payments)
Staff back-end engineer on Coupang Pay's Product Engineering team in Seoul, building and scaling the Coupay one-touch payment system, global payments services, and fintech back-office tools used by millions of customers. Core stack is Java (or similar) with large-scale distributed and real-time systems; JPA and MSA experience preferred.
Staff, Back-end engineer (Inventory Platform)
Staff back-end engineer on Coupang's Inventory Platform, building large-scale distributed services that handle billions of order and delivery transactions with 99.995% uptime. Day to day: designing scalable architecture, benchmarking, capacity planning, and production monitoring, primarily with Java/Spring on AWS.
[Growth Marketing] Sr. Staff Back-end Engineer
Senior staff back-end engineer in Coupang's Growth Engineering team, leading architecture, development, and operations of a next-generation offsite marketing platform (search/display ads, affiliate, CRM, attribution) while mentoring engineers. Core tech includes distributed systems at scale, Spring, AWS, and big-data tools like Kafka, Flink, and Spark.
[Growth Marketing] Sr. Staff Back-end Engineer
Sr. Staff backend engineer on Coupang's Growth Engineering team in Shanghai, leading architecture, development, and operation of a next-generation offsite marketing platform (search/display ads, affiliate, CRM, targeting, attribution), while mentoring engineers and partnering with data science/ML. Stack includes Spring, AWS, NoSQL, and big-data tech like Kafka, Spark, and Flink.