Integrations & Infrastructure Engineer

haddock (YC W22); Barcelona; Híbrido; EUR 35.000 - 50.000; Jornada completa

Descripción de la vacante

A leading company is seeking a Mid-Senior Integrations & Infrastructure Engineer to own POS integrations, ensuring scalability and reliability. You'll collaborate closely with cross-functional teams, designing and deploying infrastructure while enjoying a competitive package and a dynamic, hybrid work environment.

Servicios

Urban Sports Club

Snacks

Central office near La Pedrera

Formación

• 2–5+ years of experience building production services in SaaS or high-volume systems.
• Knowledge of incident response, SRE practices, or service-level objectives.
• Experience with POS systems or in the restaurant/HORECA sector.

Responsabilidades

• Design, build, scale, and maintain integrations with external POS providers.
• Tackle integration incidents and conduct root-cause analysis.
• Architect infrastructure for scalability, observability, and security.

Conocimientos

Backend skills

Infrastructure experience

API expertise

Product mindset

T-shaped profile

Incident response knowledge

Fluency in English

Fluency in Spanish

Domain-driven design knowledge

Herramientas

GCP

AWS

Kubernetes

Docker

CI / CD

Monitoring / logging

Descripción del empleo

Join to apply for the Integrations & Infrastructure Engineer role at haddock (YC W22)

What you’ll own

As the team’s specialist on POS integrations, you’ll take full ownership of designing, building, scaling, and maintaining integrations with external POS providers and related services. This includes:

• Developing new integrations and extending current connectors
• Tackling integration incidents and conducting root‑cause analysis
• Ensuring high reliability and performance as volume grows
• Architecting infrastructure for scalability, observability, and security
• Collaborating closely with product, backend, and DevOps teams

What we’re looking for

• Product mindset – empathy with users (e.g., restaurants), prioritization of impactful work, clear communication across teams
• Backend skills – server‑side development (TypeScript / Node, Python, Go, etc.) and database modeling
• Infrastructure experience – deploying and maintaining services in cloud environments (GCP, AWS, Kubernetes, Docker, CI / CD, monitoring / logging)
• API expertise – familiarity with REST / GraphQL APIs, webhook handling, message queues
• T‑shaped profile – deep backend and infrastructure skills, with the ability to troubleshoot, propose solutions, and debug (including observability)
• 2–5+ years of experience building production services in SaaS or high‑volume systems
• Fluency in English and Spanish (used daily for syncs and documentation/code)
• Experience with POS systems or in the restaurant / HORECA sector
• Knowledge of domain‑driven design or microservices architecture
• Background in incident response, SRE practices, or service-level objectives

Why you'll love it

• Ownership from day one – lead this critical area as we expand
• Impactful growth – integrations are key to scaling into new markets
• Cross‑functional influence – collaborate with product, customer success, and engineering teams
• Career development – influence team practices, mentorship, and technical strategy
• Competitive package – €35–50k gross/year, hybrid remote, Urban Sports Club, snacks, central office near La Pedrera

Our process

We move quickly (1 week!) while maintaining a friendly and respectful environment:

• Intro call (~30 min) with a co-founder
• Technical interviews (~2 hr) — deep dive into integration and infrastructure design + live backend/infrastructure task

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology, Software Development

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