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(Senior) Product Engineer (Backend)

Spain🌐 Remote💼 Full-time🗓 2026-09-23 → 2026-09-26

Core

Build reliable, scalable SaaS products that improve frontline employee workflows by taking end-to-end ownership of backend systems and product features.

Role type

Senior Product Engineer (Backend)

Builds

Scalable SaaS products and backend services

Domain

SaaS, Enterprise Software

Deliverable

production ML models | product features

Required skills

Kotlin, Java, Micronaut, Spring, backend software engineering, SaaS product development, cross-functional collaboration, AI coding tools (Cursor, Claude Code, GitHub Copilot), product ownership mindset

Preferred skills

Frontend/mobile/infrastructure contribution, instrumentation, A/B testing, Grafana, Mixpanel, Kubernetes, Helm, PostgreSQL, RabbitMQ, Apache Kafka, prototyping, experimentation

Technologies

Kotlin, Java, Micronaut, Spring, Kubernetes, Helm, PostgreSQL, RabbitMQ, Apache Kafka, Grafana, Mixpanel, Cursor, Claude Code, GitHub Copilot

Responsibilities

Build and maintain reliable, scalable backend services and product features; take ownership of features from discovery through rollout and impact evaluation; collaborate with product managers, designers, and engineers to translate user needs into shipped experiences; contribute to web, mobile, and infrastructure when needed; use AI coding assistants to navigate codebases and accelerate development; explore user problems through prototypes and experimentation; evolve engineering practices toward end-to-end ownership.

Seniority

Senior, hands-on IC

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