Agent Engineer, Portugal

Wonderful Ltd.; Lisboa; On-site; EUR 45,000 - 70,000; Full time

Job summary

A leading tech company in Lisbon is seeking a skilled professional to design prompts and implement functions for AI agents across multiple channels. You will engage with customer APIs and internal tools, build and maintain solutions in TypeScript, and collaborate with various teams. The ideal candidate holds a degree in Computer Science, excels in English, and has experience with APIs and programming. Competitive compensation package offered.

Qualifications

• Excellent English, written and spoken.
• Strong hands-on skills with APIs and backend logic.
• Experience in technical, customer-facing roles.

Responsibilities

• Design prompts and implement functions for AI agents.
• Integrate with customer APIs and internal tools.
• Test with live data and measure performance.

Skills

API integrations

TypeScript

Problem-solving

Attention to detail

Education

Bachelor’s degree in Computer Science or related field

Tools

Datadog

Job description

Wonderful enables enterprises to build, test, deploy, and monitor AI agents for their most complex needs, serving customers and employees seamlessly across voice, chat, email, and back-office systems in any language or cultural context.

Role Overview

Design prompts and implement functions that guide our AI agents across multiple channels (voice, chat, email).

Integrate with customer APIs, databases, and internal tools so agents can execute real-world tasks.

Build and maintain internal tooling in TypeScript, with a focus on reusable components for agents and shared use.

Test with live data, measure performance, and fine-tune for accuracy and reliability.

Collaborate directly with customers to gather requirements, demo solutions, and iterate quickly.

Work closely with Product, Engineering, and Customer Success teams to ship high-quality, production-ready solutions.

Contribute to processes, documentation, and best practices that support scalable AI development.

Requirements

Bachelor’s degree (or higher) in Computer Science or a related STEM field.

Excellent English, written and spoken.

Strong hands-on skills with APIs, backend logic, and system integrations.

Solid programming skills; experience with TypeScript is a strong advantage.

Experience in technical, customer-facing roles (integrations, solutions engineering, etc.) is a strong plus.

Familiarity with monitoring, dashboarding, or analytics tools (e.g., Datadog) is an advantage.

Problem-solving mindset, attention to detail, and passion for AI.

Prior experience with conversational AI or large language models – advantage.