Senior Software Engineer
Senior Software Engineer
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Job Description
Help empower our global customers to connect to culture through their passions.
AI/ML @ StockX:
Our AI/ML Team is on a mission to build the nextgeneration ecommerce platform for the next generation customer. We build worldclass innovative experiences and products that give our users access to the worlds most coveted products and unlock economic opportunity by turning reselling into a business for anyone. Our team uses cutting edge technologies that handle massive scale globally. Were an internetnative cloudnative company from day 1 you wont find legacy technology here. If youre a curious leader who loves solving problems wearing multiple hats and learning new things join us!
Job Description
In the Search & Recommendation ML team we work together to productionalize custom machinelearning models that can drive product vision and customer impact at scale. We are looking for a Sr Software Engineer who is sophisticated in largescale search systems. This member will be responsible for the health of the Search Backend system and working with other ML engineers for productionizing ML innovations in the Search Domains. If youre passionate about search performance ranking pipelines and search index maintenance this role is for you.
What Youll Do:
- Design and maintain the infrastructure behind our core search stack.
- Build scalable faulttolerant indexing pipelines for realtime and batch data ingestion.
- Partner with ML engineers and relevance teams to support offline/online ranking experimentation.
- Optimize search latency throughput and uptime using observability tooling and performance profiling.
- Collaborate with product and data teams to understand query patterns and evolve system design accordingly.
- Drive migration to more modern indexing and vector search frameworks.
- Implement safeguards and autoscaling policies to ensure SLAs under traffic spikes and failovers.
Qualifications
Basic requirements:
- 6 years of experience building scalable backend systems; ideally in search recommendation or largescale data retrieval.
- Strong experience with search engines
- Solid grasp of distributed systems (e.g. Kafka Kubernetes microservices architecture).
- Proficiency in Go and Python.
- Comfort with performance tuning and profiling lowlatency systems.
- Experience deploying and operating production systems in cloud environments (AWS GCP Azure).
- Familiarity with Databricks Unity Catalog or Lakehouse architecture is highly desirable.
- Bachelors or Masters in Computer Science Engineering or a related technical field.
Preferred requirements:
- Familiarity with MLOps vector databases (e.g. Faiss Milvus Weaviate) or ANN algorithms.
- Experience with Kubernetes and Docker for productionalizing models.
- Experience in building machine learning systems at scale.
- Experience in using AWS Cloud Platform Databricks and/or OpenSearch or Elastic Search
- Experience in LLM serving / Open AI or equivalent / Langchain / Agents / RAG Apps
StockX is proud to be a Detroitbased technology leader focused on the large and growing online market for sneakers apparel accessories electronics collectibles trading cards and more. StockXs powerful platform connects buyers and sellers of highdemand consumer goods from around the world using dynamic pricing mechanics. This approach affords access and market visibility powered by realtime data that empowers buyers and sellers to determine and transact based on market value. The StockX platform features hundreds of brands across verticals including Jordan Brand adidas Nike Supreme BAPE OffWhite Louis Vuitton Gucci; collectibles from brands including LEGO KAWS Bearbrick and Pop Mart; and electronics from industryleading manufacturers Sony Microsoft Meta and Apple. Launched in 2016 StockX employs 1000 people across offices and verification centers around the world. Learn more at .
Required Experience:
Senior IC
Employment Type
Full Time
