Middle AI Agent & Developer Experience Engineer at Exadel. . Location: São Paulo or Rio de Janeiro, Brazil. Why Join Exadel. . 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.. . From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.. What powers it all? Our people are ambitious, collaborative, and constantly evolving.. . About the Client. . 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.. . What You’ll Do. . . Design, build, test, and maintain AI agent capabilities, including tools, skills, commands, and prompts. . Apply prompt-engineering techniques to improve agent accuracy, reliability, and usability. . Define structured output contracts, error-handling mechanisms, and evaluation methods for measuring agent behavior. . Develop extensions, plugins, and integrations for AI-powered development tools. . Build and maintain reusable application templates that establish consistent engineering standards across generated projects. . Develop developer-facing interfaces and internal tooling using React and TypeScript. . Improve the developer experience through actionable feedback, clear error messages, reliable defaults, and streamlined workflows. . Implement and maintain quality gates, including type checking, linting, automated testing, and build validation. . Apply containerization and runtime standards to support secure and consistent application development. . Collaborate with platform engineers to integrate AI capabilities with infrastructure, CI/CD pipelines, and deployment workflows. . Monitor platform usage, identify friction points, and continuously improve the experience based on observed behavior and user feedback. . Document technical decisions, agent behavior, platform capabilities, and development workflows. . Incorporate AI agents into daily engineering activities and identify opportunities to improve their effectiveness. . . What You Bring. . . A solid foundation in application architecture, software engineering, and modern development practices. . Hands-on experience designing and implementing AI agents, including tools, skills, commands, and prompt engineering. . Experience evaluating AI agent behavior systematically using defined criteria, test cases, and supporting evidence. . Experience with React and TypeScript, including modern frontend development patterns and build tooling. . Experience building reusable application templates, developer tools, internal platforms, or self-service engineering capabilities. . Knowledge of automated testing, type checking, linting, build validation, and software-quality practices. . Familiarity with containerization and application runtime environments. . Working knowledge of cloud infrastructure, CI/CD concepts, and application deployment workflows. . Strong technical English skills, including written documentation and remote collaboration. . Strong analytical and problem-solving abilities with excellent attention to detail. . Ability to work independently, navigate ambiguity, and take ownership of technical outcomes. . Interest in incorporating AI agents into everyday engineering workflows and continuously improving their performance. . . Nice to have. . . Experience developing plugins, extensions, or integrations for AI-powered development environments. . Experience using Python for supporting services, automation, or AI-related workflows. . Familiarity with enterprise application security, governance requirements, and engineering guardrails. . Experience designing structured agent interfaces, typed outputs, and robust error-handling mechanisms. . Understanding of cloud-native architectures, CI/CD pipelines, and production deployment practices. . Experience improving developer productivity through internal platforms, reusable templates, or self-service tooling. . Exposure to AI evaluation frameworks, observability, or agent performance monitoring. . . English level. . Upper-Intermediate. . Work Type:. Remote. . Eligible Locations:. São Paulo or Rio de Janeiro, Brazil. . Legal & Hiring Information. . . Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more. . Reasonable accommodations are available to enable individuals with disabilities to perform essential functions. . Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs. . Compensation details are shared with candidates at the early stage of the recruitment process.. . The offer is not binding until a signed contract is in place.. . . Your Benefits at Exadel. . Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.. . . International projects. . In-office, hybrid, or remote flexibility. . Medical healthcare. . Recognition program. . Ongoing learning & reimbursement . . Well-being program. . Team events & local benefits . . Sports compensation . . Referral bonuses . . Top-tier equipment provision. . . Exadel Culture. . We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.
Middle AI Agent & Developer Experience Engineer at Exadel