<h3>Why Join Exadel</h3> <p>We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.</p> <p>From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.<br>What powers it all? Our people are ambitious, collaborative, and constantly evolving.</p> <h3>About the Client</h3> <p>A leading global digital banking platform and one of the largest neobanks in Latin America, headquartered in Brazil. The company provides a mobile-first suite of financial services—including credit cards, savings accounts, and investments—designed to eliminate bureaucracy and high fees. By leveraging advanced data analytics and a customer-centric digital infrastructure, the organization delivers transparent and accessible financial solutions to millions of users across Brazil, Mexico, and Colombia.</p> <h3>What You’ll Do</h3> <ul> <li>Design, build, test, and maintain AI agent capabilities, including tools, skills, commands, and prompts</li> <li>Apply prompt-engineering techniques to improve agent accuracy, reliability, and usability</li> <li>Define structured output contracts, error-handling mechanisms, and evaluation methods for measuring agent behavior</li> <li>Develop extensions, plugins, and integrations for AI-powered development tools</li> <li>Build and maintain reusable application templates that establish consistent engineering standards across generated projects</li> <li>Develop developer-facing interfaces and internal tooling using React and TypeScript</li> <li>Improve the developer experience through actionable feedback, clear error messages, reliable defaults, and streamlined workflows</li> <li>Implement and maintain quality gates, including type checking, linting, automated testing, and build validation</li> <li>Apply containerization and runtime standards to support secure and consistent application development</li> <li>Collaborate with platform engineers to integrate AI capabilities with infrastructure, CI/CD pipelines, and deployment workflows</li> <li>Monitor platform usage, identify friction points, and continuously improve the experience based on observed behavior and user feedback</li> <li>Document technical decisions, agent behavior, platform capabilities, and development workflows</li> <li>Incorporate AI agents into daily engineering activities and identify opportunities to improve their effectiveness</li> </ul> <h3>What You Bring</h3> <ul> <li>A solid foundation in application architecture, software engineering, and modern development practices</li> <li>Hands-on experience designing and implementing AI agents, including tools, skills, commands, and prompt engineering</li> <li>Experience evaluating AI agent behavior systematically using defined criteria, test cases, and supporting evidence</li> <li>Experience with React and TypeScript, including modern frontend development patterns and build tooling</li> <li>Experience building reusable application templates, developer tools, internal platforms, or self-service engineering capabilities</li> <li>Knowledge of automated testing, type checking, linting, build validation, and software-quality practices</li> <li>Familiarity with containerization and application runtime environments</li> <li>Working knowledge of cloud infrastructure, CI/CD concepts, and application deployment workflows</li> <li>Strong technical English skills, including written documentation and remote collaboration</li> <li>Strong analytical and problem-solving abilities with excellent attention to detail</li> <li>Ability to work independently, navigate ambiguity, and take ownership of technical outcomes</li> <li>Interest in incorporating AI agents into everyday engineering workflows and continuously improving their performance</li> </ul> <h3>Nice to have</h3> <ul> <li>Experience developing plugins, extensions, or integrations for AI-powered development environments</li> <li>Experience using Python for supporting services, automation, or AI-related workflows</li> <li>Familiarity with enterprise application security, governance requirements, and engineering guardrails</li> <li>Experience designing structured agent interfaces, typed outputs, and robust error-handling mechanisms</li> <li>Understanding of cloud-native architectures, CI/CD pipelines, and production deployment practices</li> <li>Experience improving developer productivity through internal platforms, reusable templates, or self-service tooling</li> <li>Exposure to AI evaluation frameworks, observability, or agent performance monitoring</li> </ul> <h3>English level</h3> <p>Upper-Intermediate</p> <p><strong>Work Type:</strong> Remote</p> <p><strong>Eligible Locations:</strong> São Paulo or Rio de Janeiro, Brazil</p> <h3>Legal & Hiring Information</h3> <ul> <li>Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more</li> <li>Reasonable accommodations are available to enable individuals with disabilities to perform essential functions</li> <li>Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs</li> <li>Compensation details are shared wit