Full-Stack Engineer: AI Neobank Product Builder

Sptix AI LLP; Ireland; Remote; EUR 65,000 - 105,000; Full time

Job summary

BJAK is seeking full stack engineers to contribute to its AI Neobank app, spanning frontend, backend, APIs and databases. This role suits product-minded engineers who can turn ideas into functional products quickly.

You will collaborate with product, design, mobile, backend and AI engineers to launch fast, ship features end-to-end, and build internal tools that reduce manual work while scaling operations.

Qualifications

• Proven shipped full stack products.
• Experience across frontend, backend, APIs, and debugging.
• Ability to simplify complex workflows and own outcomes.

Responsibilities

• Build and ship full product features across frontend, backend, APIs, and databases.
• Create customer and internal onboarding/workflows (onboarding, accounts, payments, rewards, travel, FX, support automation, KYC, and risk).
• Turn ambiguous product problems into reliable systems with clean UX and backend logic.
• Collaborate with product, design, mobile, backend, and AI engineers to launch and improve after release.
• Build internal tools and automation to reduce manual work and scale operations.
• Own your work beyond release: monitor, debug, learn, and improve.

Skills

Full stack

Frontend & Backend

APIs & Databases

Authentication

Product sense

Ambiguity tolerance

Tools

React

Next.js

Vue

API design

Job description

BJAK is seeking full stack engineers to contribute to its AI Neobank app, spanning frontend, backend, APIs and databases. This role suits product-minded engineers who can turn ideas into functional products quickly.

You will collaborate with product, design, mobile, backend and AI engineers to launch fast, ship features end-to-end, and build internal tools that reduce manual work while scaling operations.