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Senior Software Engineer (React.js) - OP01899 at Dev.Pro. 🟢 Are you in Brazil, Argentina or Colombia? Join us as we actively recruit in these locations, offering a comfortable remote environment. Submit your CV in English, and we'll get back to you!. We invite a Senior Software Engineer with strong frontend expertise and a keen interest in emerging AI technologies to join our team. In this role, you’ll design and develop the user interface for an innovative AI orchestration platform, turning a proof-of-concept into a robust AI-enabled workbench that automates and enhances the full product development lifecycle. You’ll create intuitive dashboards, integrate real-time AI interactions, and deliver a seamless experience for internal teams.. 🟩 . What's in it for you: . Build a high-impact internal AI orchestration platform for a globally recognized fintech leader. Shape the frontend architecture and user experience for complex AI workflows. Gain hands-on experience with cutting-edge AI tools and expand your expertise in the AI domain. ✅ . Is that you?. 4+ years of experience building frontend applications with React.js and Next.js. Experience integrating FastAPI endpoints and enabling real-time interaction with backend AI services (LangGraph agents). Strong skills in UI/UX design for internal tools, including dashboards for multi-agent systems, outputs, approvals, and progress tracking. Experience creating diagrams and visualizations for system architecture, workflows, and status tracking. Familiarity with containerizing frontend apps (Docker), deploying alongside backend services, and managing environment configurations. Ability to work independently and drive frontend design decisions. Effective communication and collaboration skills. Solution-oriented mindset with curiosity for modern AI technologies. Desirable:. Exposure to AI tools (Copilot) and multi-agent orchestration. Python experience for frontend-backend integration. Familiarity with PostgreSQL or vector databases. Experience with Azure and basic CI/CD knowledge. 🧩Key responsibilities and your contribution. In this role, you’ll design and develop the frontend architecture and user experience of the AI orchestration platform, ensuring a seamless, high-performing interface. . Design and develop the user interaction layer for the AI orchestration platform. Build and maintain the orchestration UI, enabling users to manage multi-agent workflows. Integrate the frontend with backend AI services to enable real-time interaction. Create visualizations and diagrams for system architecture, workflows, and agent outputs. Collaborate with cross-functional teams to align UI with overall system architecture and requirements. Contribute to design decisions and frontend best practices to ensure quality and consistency. 🎾. What’s it like working at Dev.Pro?. Dev.Pro. is a global company that's been building great software since 2011. Our team values fairness, high standards, openness, and inclusivity for everyone — no matter your background. 🌐 We are 99.9% remote — you can work from anywhere in the world. 🌴 Get 30 paid days off per year to use however you like — vacations, holidays, or personal time. ✔️ 5 paid sick days, up to 60 days of medical leave, and up to 6 paid days off per year for major family events like weddings, funerals, or the birth of a child. ⚡️ Partially covered health insurance after the probation, plus a wellness bonus for gym memberships, sports nutrition, and similar needs after 6 months. 💵 We pay in U.S. dollars and cover all approved overtime. 📓 Join English lessons and . Dev.Pro. University programs, and take part in fun online activities and team-building events. Our next steps:. ✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Internal interview — ✅ Client interview — ✅ Offer. Interested? Find out more:. 📋How we work. 💻 LinkedIn Page. 📈 Our website . 💻IG Page . Company Location: Argentina.