Senior Backend Engineer — AI-Driven B2B Platform, Ownership

Samaipata; Barcelona; On-site; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Competitive salary

Short Fridays

Pension plan

Cobee benefits

Birthday and Geneyversary time off

Gym discount

Fresh fruit every day

Aticco office

Job summary

Enginy, a Barcelona-based startup, is hiring a Backend Engineer to own core engine components from day one. You will design and build high-throughput systems, data pipelines, and integrations with customer platforms, while focusing on reliability and observability.

We value engineers who own problems end to end, from design to production to monitoring. Expect a fast-paced, collaborative environment with growth opportunities in a scaling SaaS company.

Qualifications

• 5+ years of professional software engineering experience with a strong backend focus.
• Strong experience with TypeScript and Node.js.
• Solid understanding of modern API design and async workflows.
• Experience with relational databases (PostgreSQL or similar).
• Ability to work autonomously, debug complex issues and ship high-quality code.
• Strong communication skills and an advanced level of English.

Responsibilities

• Build and maintain scalable backend services.
• Design async workflows and data pipelines.
• Create production-grade APIs and integrations with external platforms.
• Ensure performance and observability across the system.
• Collaborate closely with Product, Design and Frontend to ship complete features.
• Help shape engineering practices as the company scales.

Skills

Backend engineering

TypeScript

Node.js

API design

English

Ownership

Tools

Temporal

Redis

Elasticsearch

Kafka

GitHub Actions

Job description

Enginy, a Barcelona-based startup, is hiring a Backend Engineer to own core engine components from day one. You will design and build high-throughput systems, data pipelines, and integrations with customer platforms, while focusing on reliability and observability.

We value engineers who own problems end to end, from design to production to monitoring. Expect a fast-paced, collaborative environment with growth opportunities in a scaling SaaS company.