Job Summary: Front-end developer position focused on web interfaces for complex digital products, API integration, real-time data, and visualization of large volumes of data. Key Highlights: 1. Experience with applications using WebSockets, maps, and geolocation 2. Development of critical systems oriented toward continuous operation 3. Performance and stability optimization in production **JOB — FRONT-END DEVELOPER (MID-LEVEL / SENIOR)** Location: ***On-site attendance required*** — Vitória/ES Company: Atman Systems **SALARY RANGE** R$ 6.000 to R$ 12.000 Placement based on technical evaluation. **ABOUT THE JOB** Front-end development position focused on web interfaces for digital products, integration with complex APIs, real-time data, and visualization of large volumes of data. Work on applications involving WebSockets, maps, geolocation, GIS layers, 24/7 operational interfaces, role-based access control, and latency/performance constraints in critical, continuously operating systems. **RESPONSIBILITIES** * Development and maintenance of complex web applications * Implementation of interfaces consuming REST APIs and real-time communication * Integration with live data, maps, and devices * Construction of operational dashboards and data visualizations * Work on systems with latency and performance constraints * Implementation of access control, user roles, and authentication * Optimization of rendering, state management, and data loading * Ensuring stability, usability, and reliability in production * Collaborative work with backend, hardware, and product teams **TECH STACK AND TECHNICAL KNOWLEDGE (REQUIRED)** * Angular 2+ * TypeScript and JavaScript * HTML5 and CSS3 * Docker * Consumption of REST APIs and WebSockets * Proficiency in managing complex state and real-time data * Front-end performance concepts and optimization techniques * Version control with Git * Integration with authentication and access control systems **REQUIREMENTS** * Minimum 2 years of front-end development experience * Intermediate to advanced English proficiency * Bachelor’s degree in Engineering, Computer Science, Systems Analysis, or related fields **PREFERRED QUALIFICATIONS** * Conversational Spanish or Italian will be considered a significant advantage. * Experience with mapping libraries. * Experience with critical, operational, or 24/7 systems. * Experience with high-volume data applications. **EXPECTED TECHNICAL PROFILE** * Analytical mindset * Strong technical capability * Genuine interest in solving complex problems. * Attention to performance, stability, and production impact. **EMPLOYMENT TYPE AND BENEFITS** Employment type: Full-time, CLT (Consolidation of Labor Laws) Working hours: Monday to Friday, 8:00 AM to 5:00 PM Benefits: * Meal allowance * Food allowance * Unimed health insurance plan * Dental insurance plan * Life insurance * Structured career development plan **APPLICATION** Interested candidates must send their resumes to vagas@atmansystems.com, specifying the area of interest in the email subject line. Job type: Full-time, Permanent CLT Salary: R$6,000.00 – R$12,000.00 per month Benefits: * Health insurance * Dental insurance * Life insurance * Meal allowance * Food allowance * Transportation allowance