Senior Backend Engineer: Machine Learning Infrastructure
Constructor3 months ago
Remote, EMEASenior
Base Salary
$80k - $120k/yr
Responsibilities
- Design, build, and operate high-load distributed backend services for the company’s ML infrastructure.
- Own core ML services and related data pipelines from design and implementation through deployment, observability, and continuous improvement.
- Build self-service, configurable infrastructure components that help ML and product teams run workloads at scale.
- Partner with ML and product teams to translate their needs into reliable, reusable platform capabilities.
- Evaluate technical trade-offs, lead system design, and take end-to-end responsibility for outcomes.
Requirements
- 5+ years of professional experience in backend or platform engineering.
- Extensive knowledge of Python, the team’s primary programming language.
- Hands-on experience developing on AWS, GCP, or Azure, or operating self-managed Kubernetes; AWS is the primary platform.
- Experience designing and building distributed, high-load services and APIs.
- Strong knowledge of data structures, algorithms, and their trade-offs.
- Ability to lead with system design while using modern AI coding tools appropriately.
- Ownership, proactivity, collaboration, and willingness to help teammates and others.
- Experience with Rust or C, C++, or Go is preferred.
- Experience with ML platforms or ML infrastructure is preferred.
- Experience operating vector databases such as Qdrant, Milvus, Weaviate, OpenSearch, or pgvector is preferred.
- Experience with model-serving or inference infrastructure, including LLMs, is preferred.
- Experience with Infrastructure as Code such as Terraform is preferred.
Benefits
- Fully remote work arrangement with flexibility to choose where to live.
- Unlimited vacation time, with encouragement to take at least three weeks annually.
- Work-from-home stipend and Apple laptops for new employees.
- Annual training and development budget.
- Maternity and paternity leave for qualified employees.
- Regular team offsites and opportunities to work with experienced teammates.
- Stock options offered in addition to base salary.
Categories
About Constructor
Constructor builds an AI-powered search and product discovery platform for ecommerce retailers, marketplaces, and distributors, delivered as enterprise SaaS. Its tools power on-site search, browse, recommendations, and shopping agents to optimize conversions and merchandising outcomes. Founded in 2019 by Eli Finkelshteyn and Dan McCormick, the San Francisco–based, privately held company counts brands such as Sephora, Under Armour, and Petco as customers and raised a Series B in 2024.