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Senior Backend Engineer - Scala

Valencia💼 Full-time🗓 2026-02-09 → 2026-08-06

Core

Design and implement search functionalities in a PaaS ecommerce Scala backend to provide a search API for product discovery.

Role type

Senior Search Engineer (Backend)

Builds

Search API and scalable multi-tenant search capabilities for ecommerce customers

Domain

Ecommerce, Search, Backend Engineering

Deliverable

production ML models | product features

Required skills

Search engineering, Elasticsearch/Solr/OpenSearch/Lucene, REST API development, scalable architecture design (sharding, replication, load balancing, failover), software testing, on-call management

Preferred skills

Scala, functional programming, infrastructure work (Helm, Kubernetes, Rust)

Technologies

Scala, Elasticsearch, Solr, OpenSearch, Lucene, REST, Helm, Kubernetes, Rust

Responsibilities

Design and implement search functionalities, develop in scalable multi-tenant architecture, analyze user needs and discuss technical approaches, test software components for usability and performance, participate in on-call rotations

Seniority

Senior, hands-on IC

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