Senior Full-Stack Engineer (Python/React) — Remote Spain

Bark; Madrid; A distancia; EUR 70.000 - 100.000; Jornada completa

Descripción de la vacante

Bark is an online services marketplace connecting customers with professionals across 1,000+ categories. We are expanding in Europe and migrating to a full marketplace with subscription pricing, backed by EMK Capital.

We are seeking a Senior Full Stack Engineer based in Spain to join a small, agile squad owning the Acquisition domain and marketing tech with AI-powered tooling to accelerate campaigns and drive growth.

Formación

• 4+ years of Python production experience.
• 4+ years of React experience.
• Strong API design and integration skills.
• Experience with MySQL and NoSQL datastores.
• Ability to build and maintain scalable web applications.
• Familiarity with AI-assisted development tools.

Responsabilidades

• Work across the stack to build elegant, performant APIs, services and front-end experiences using Python and React/TypeScript.
• Build and integrate with our marketing technology stack, connecting third-party platforms and internal services.
• Work with Marketing to spot automation opportunities, then design and ship AI-powered internal tooling that removes manual work for marketing and other functions.
• Measure the impact of the tools you build, using metrics such as adoption, efficiency gains, reduction in manual effort and overall business value.
• Build responsibly: bake in cost tracking, secret and PII hygiene, and a human review step before any AI-generated output goes live to customers.
• Collaborate with product managers, designers and marketing to move ideas quickly from prototype to production.
• Proactively propose and implement improvements to our codebase and architecture.
• Mentor and support other engineers, sharing knowledge and encouraging best practices across the team.
• Proactively evaluate emerging AI tools and frameworks, make recommendations, and drive adoption across the business through documentation, reusable patterns and hands-on enablement.
• Help improve our ways of working internally and with stakeholders

Conocimientos

Python

React

APIs

SQL

NoSQL

AWS

AI tooling

Marketing tech

Communication

Mentoring

Herramientas

AWS

ElasticSearch

DynamoDB

Datadog

RabbitMQ

Descripción del empleo

Bark is an online services marketplace connecting customers with professionals across 1,000+ categories. We are expanding in Europe and migrating to a full marketplace with subscription pricing, backed by EMK Capital.

We are seeking a Senior Full Stack Engineer based in Spain to join a small, agile squad owning the Acquisition domain and marketing tech with AI-powered tooling to accelerate campaigns and drive growth.