Senior Full Stack Product Engineer

Haddock; Barcelona; Presencial; EUR 45.000 - 65.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Flexible working hours

Descripción de la vacante

Haddock in Barcelona is looking for experienced engineers who are interested in taking ownership of their work while developing AI workflows. You'll be responsible for designing technical solutions and building code in microservice environments, primarily on the backend.

The ideal candidate has over 5 years of experience in SaaS scaling, is fluent in Spanish, and has a strong understanding of AI tooling. Flexible working hours are offered.

Formación

• Very good use of AI tooling with good judgment.
• 5+ years of engineering experience in scaling SaaS companies.
• Experience in building AI workflows for production.

Responsabilidades

• Architect technical solutions and build backend and frontend code.
• Engineer AI workflows balancing latency, cost, and accuracy.
• Do project management and track users to measure interactions.

Conocimientos

AI tooling

Microservice environments

Product Engineering experience

SaaS scaling experience

Fluent Spanish

Descripción del empleo

• Engineers at haddock are action-oriented, curious, autonomous, and take full ownership of their work
• They are champions of figuring out the unknowns. They talk to customers, deliver quality work, improve our tooling, and are ambitious. We look for people with these same motivations and ways of working
• We strongly adhere to the Lean Startup and Agile principles, favoring action over analysis, imperfect iteration over perfect delivery, face-to-face communication, and a fast-paced environment
• We work on initiatives in small mission-oriented squads of 1 to 3 people
• Architect technical solutions
• Build backend and frontend code (80% backend, 20% frontend)
• Engineer AI workflows, balancing latency, cost and accuracy
• Do your own project management, rolling out your initiatives to customers
• Track users, measure interactions and extract conclusions
• Talk to customers to validate ideas and get feedback
• Our processes and tools are constantly improving, and everyone contributes to making them better
• Keep-the-lights-on work is shared, like bug fixing, monitoring and dependency management. We succeed at this by having a rotating squad of Defenders that tackles this kind of maintenance work
• Enabling Fina to match bank movements with invoices, finding gaps and reporting them to the suppliers via AI phone call
• Enabling business data to tell the story of the restaurant to their owners, displaying them financial metrics and insights, and enabling AI agents to work on that data
• Increasing adoption of inventories to 50% of customers, a crucial part of operations at a healthy restaurant business
• Building MVPs for traceability, enabling groups of restaurants to comply with food health inspections, and evolve it beased on feedback

Benefits

• Flexible working hours

Qualifications

• Very good use of AI tooling: you have developed good judgement (criterio) when using IA and are very productive with it
• Experience in microservice environments
• You’ll stand out if you’ve already built AI workflows for production, because at haddock we already have 15+ AI workflows in production and that number is just going to keep growing
• 5+ years of engineering experience in scaling SaaS companies
• Fluent in Spanish and comfortable in English. We tend to speak in Spanish at the office and in Slack, and write documentation and projects in English
• Product Engineering experience: end-to-end from ideation, infrastructure, backend, frontend, testing, etc. because we aren’t “factory developers”, we are engineers of digital products responsible for outcomes, not for implementing requirements