Full Stack Engineer

The role

Full stack engineers will build and ship product features across frontend, backend, APIs and databases for the AI Neobank app. You will create customer and internal workflows and build internal tools and automation.

What you will do

• Build and ship full product features across frontend, backend, APIs and databases.
• Create customer and internal workflows for onboarding, accounts, payments, rewards, travel, FX, support automation, KYC and risk.
• Turn ambiguous product problems into working systems with clean UX and reliable backend logic.
• Work closely with product, design, mobile, backend and AI engineers to launch fast and improve after release.
• Build internal tools and automation that reduce manual work and help teams operate at scale.
• Monitor, debug, learn and improve work beyond release.

Required qualifications

• Strong full stack engineering experience with real shipped products.
• Comfortable across frontend, backend, APIs, databases and production debugging.
• Good frontend execution using React, Next.js, Vue or similar modern stack.
• Good backend fundamentals around APIs, data models, authentication, integrations and reliability.
• Strong product sense and ability to simplify messy workflows.
• Able to work fast with ambiguity and own outcomes end-to-end.
• Strong English communication is required.
• Candidates must be based in Spain.

Before you apply

• Applicants should already be based in Spain.
• Online assessment or practical task
• Technical interview
• CEO / final round

About the company

BJAK is a mobile-first insurance platform in Southeast Asia. The company is expanding to help people with spending, saving, investing, exchanging, and travelling.