Senior AI Engineer with Java

Stack

Responsibilities

• ▹Design, build, and maintain scalable, high-performance microservices using Java 17/21+ and Spring Boot
• ▹Architect and implement autonomous AI agents using frameworks like Spring AI or LangChain4j
• ▹Develop systems capable of multi-step reasoning, dynamic tool utilization, and memory management
• ▹Integrate commercial LLMs such as Azure Co-pilot into enterprise applications via RESTful APIs
• ▹Craft, test, and version-control complex prompts for deterministic, safe, and accurate outputs
• ▹Implement guardrails, rate limiting, fallback mechanisms, and observability tracing for AI features
• ▹Collaborate with app engineers, product managers, data, and frontend developers to define AI use cases and deliver end-to-end user experiences on mobile apps

Requirements

• ▹Bachelor's degree in Computer Science, Engineering, or a related field
• ▹At least 7 years of relevant professional experience
• ▹Previous experience as a Java Developer with Spring Boot
• ▹Experience with Agentic AI and LLMs
• ▹Knowledge of LangChain or equivalent orchestration frameworks
• ▹Strong technical writing skills for documenting APIs, architecture, and developer guides

Soft skills

What we offer

• ▹Health insurance
• ▹Flexible working hours
• ▹Open holidays
• ▹Profit distribution for everyone
• ▹Mindera Annual Trip, sports and sharing groups
• ▹Training & conferences budget
• ▹Child care vouchers
• ▹Choice of laptop and peripherals
• ▹Unlimited-usage hotspot (Portugal)
• ▹Snacks at the offices
• ▹Partnerships with local businesses

About the company

Mindera builds software that improves lives, partnering with clients to deliver high-performance, resilient, and scalable software systems. It has offices in Porto, Aveiro, and Coimbra (Portugal), Leicester (UK), San Diego and San Francisco (USA), Chennai and Bengaluru (India), Cluj-Napoca (Romania), and Blumenau (Brazil), with a remote-from-Portugal option.