Own design, training, deployment and operation of recommendation and ranking models (embeddings, collaborative filtering, ANN search) and related Python services. Build and run batch pipelines, low-latency model serving (sub-200ms), Kubernetes/Docker deployments, and A/B tests. Requires 5+ years building ML systems with production model-serving experience and familiarity with vector DBs (Qdrant), ANN libraries (HNSWlib/FAISS/Annoy/ScaNN), SQL, streaming systems and LLM work.

Maropost is hiring a Senior Software Engineer (Golang) in India to design and build scalable, high-performance backend systems and distributed microservices for high-volume messaging and e‑commerce workloads. The role requires deep production-level Go knowledge, strong skills in concurrency, data structures, algorithms, experience with microservices and event-driven architectures, and 10 years of professional backend development experience. Candidates will own features end-to-end, participate in architectural decisions, conduct code reviews, and work with cross-functional teams.

Maropost is hiring a Senior Scala Backend Engineer to design, implement, refactor and test backend services. The role requires 6+ years of Scala backend development, experience mapping business domains into SQL schemas, working with message-based architectures (Pulsar), API design (REST or GraphQL), and deploying to cloud-native infrastructure (Kubernetes). Responsibilities include contributing to technical and product specs, code review, improving processes and CI/CD (CircleCI, GitOps with ArgoCD), and collaborating with cross-functional teams.