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Full Stack Engineer, AI systems

Job Overview

Location

Spain

Job Type

Full-time

Category

Software Engineering

Date Posted

July 21, 2026

Full Job Description

đź“‹ Description

  • • We are looking for a Full Stack Engineer - AI Systems to build the product layer that turns AI capabilities into usable, production-grade workflows.
  • • The role involves designing how agents operate, fail, recover, and deliver consistent value to users.
  • • Key responsibilities include building end-to-end product features across frontend, backend, and AI integrations, designing agent workflows that handle planning, tool use, failure, and recovery across multiple steps, integrating LLMs, memory, and external tools into systems that behave reliably under real-world conditions, and designing real-time AI interactions with streaming, partial results, and tight latency constraints.
  • • The ideal candidate will have strong experience in full stack engineering, a solid understanding of system design and API architecture, experience working with LLMs, RAG systems, or AI-powered applications, and the ability to handle ambiguity and make pragmatic engineering decisions.
  • • The role requires strong ownership, the ability to take features from idea to production, and comfort working in fast-moving environments with evolving requirements.
  • • The outcomes of this role include owning and shipping AI-native product features that move beyond chat into persistent, goal-driven workflows, designing and deploying agent workflows that reliably complete multi-step tasks across tools and sessions, reducing latency and improving responsiveness of AI interactions while maintaining output quality, building robust fallback and recovery mechanisms for LLM and tool failures in production environments, and improving the success rate and reliability of AI-driven workflows through iteration, evaluation, and monitoring.

🎯 Requirements

  • • Strong experience in full stack engineering (frontend + backend)
  • • Solid understanding of system design and API architecture
  • • Experience working with LLMs, RAG systems, or AI-powered applications

🏖️ Benefits

  • • Competitive salary
  • • Comprehensive benefits package
  • • Opportunity to work with a high-talent-density team
  • • Collaborative and dynamic work environment

Skills & Technologies

Python
JavaScript
Next.js
Node.js
Docker
Full Stack
Onsite

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About Bjak Sdn. Bhd.

Bjak operates Malaysia’s largest digital auto-insurance marketplace, enabling instant price comparison and online purchase of motor coverage from leading insurers. The platform uses proprietary technology to simplify complex tariffs, deliver personalised quotes and e-policy issuance within minutes, eliminating paperwork and agent visits. Licensed by Bank Negara Malaysia, Bjak also offers road-tax renewal, accident assistance and claims support, serving millions of drivers nationwide while partnering with insurers to increase digital distribution efficiency and customer reach.

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