CareerPlan

Senior Backend Engineer

SpainFull-time2026-10-08 → 2026-11-10

Core

Design, build, and maintain scalable backend services, async workflows, and integrations for an AI-native B2B GTM platform.

Role type

Senior Backend Engineer

Builds

High-throughput data pipelines, workflow orchestration, and production-grade APIs for sales teams

Domain

B2B SaaS / Sales Technology / AI

Deliverable

production ML models

Required skills

TypeScript, Node.js, PostgreSQL, API design, async workflows, system debugging, observability

Preferred skills

Temporal, distributed systems, microservices, Redis, Elasticsearch, Kafka, CI/CD

Technologies

TypeScript, Node.js, PostgreSQL, Temporal, Redis, Elasticsearch, Kafka, GitHub Actions

Responsibilities

Build and maintain scalable core services; implement async workflows and data pipelines; design and integrate with external platforms (CRMs, LinkedIn); optimize performance and debug complex issues; collaborate with Product and Frontend to ship features; shape engineering practices and architecture

Seniority

Senior, hands-on IC