Systems Development Analyst III_FullStack

Description

Job Summary: We are seeking a proactive professional with strong communication skills to work in multidisciplinary teams, building and maintaining front-end and back-end solutions. Key Highlights: 1. Working in multidisciplinary teams 2. Full Stack development with React and Spring Boot 3. Focus on quality, testing, and observability Bachelor's degree in Computer Science, Computer Engineering, Software Engineering, or Information Systems. Home \- CEPEL We are looking for a professional who: * Is proactive in identifying risks and proposing solutions; * Has strong communication skills and the ability to collaborate effectively within multidisciplinary teams; * Pays close attention to detail and possesses critical thinking skills; * Can prioritize and manage multiple tasks simultaneously; **Responsibilities and Duties** Main Activities to Be Performed: **Front\-end (React):** * Build and maintain a component library and templates in React \+ TypeScript; * Transform designs (Figma) into accessible, performant, and responsive interfaces; * Apply code\-splitting/lazy\-loading, state management (Context API; Redux/Zustand as a plus), and caching/pagination/memoization practices; * Write tests (unit/e2e) and document components (Storybook; TypeDoc/JSDoc where applicable); **Back\-end (Spring):** * Design and implement REST APIs using Spring Boot (Web, Data/JPA/Hibernate, Security); * Data modeling and access (PostgreSQL), caching (Redis), and integration with internal/external services; * Document APIs using OpenAPI/Swagger, create tests (JUnit 5, Testcontainers), and ensure performance/observability (Micrometer/OpenTelemetry); **Collaboration \& DevOps (basic):** * Version control with Git, submit well-documented PRs, and participate in code reviews; * Basic containerization with Docker (Podman optional), basic use of NGINX as a proxy when required; * Monitor metrics/logs, analyze performance, and propose continuous improvements; **Requirements and Qualifications** Mandatory Skills: **Front\-end:** * React 18 \+ TypeScript, HTML/CSS (SASS/CSS Modules/Tailwind optional), daily use of Figma for UI/UX; * Bundlers and tooling (Vite or Webpack), Axios/fetch, Context API, lazy\-loading/code\-splitting; * Protocols and standards: HTTP, WebSockets, SSE (Server\-Sent Events), Polling/Long Polling; **Back\-end:** * Java 17\+, Spring Boot (Web, Data/JPA, Security), REST; * PostgreSQL (SQL), Redis (cache), Maven/Gradle (Maven preferred); * Testing (JUnit 5, Testcontainers) and documentation (OpenAPI/Swagger); **DevOps (basic):** * Git and CI/CD (Jenkins/GitLab CI) for basic build/test/deploy; * Docker, basic understanding of observability (logs, metrics, traces) with Micrometer/OpenTelemetry; Desirable Skills: * SOLID, Clean Code, pragmatic design patterns, code reviews, and clear communication; * Next.js (routing, SSR/SSG, image optimization, API routes); * Storybook, React Testing Library, Cypress/Playwright; * k6 or Gatling (load testing), NGINX (reverse proxy); * LeafletJS (geospatial); * Basic knowledge of Node.js (npm/pnpm, scripts) for front-end tooling; * Experience with MongoDB (when appropriate for specific services); * Django: Django ORM/migrations, Django REST Framework (DRF), Celery (asynchronous tasks), authentication/permissions, testing (pytest), deployment with gunicorn/uvicorn \+ NGINX; * FastAPI: Pydantic, native OpenAPI, testing (pytest), uvicorn/gunicorn, NGINX; **Additional Information** * Indefinite-term employment contract; * On-site work modality; * Health plan with co-payment, extendable to immediate dependents; * Meal/food allowance; * Private pension plan; * Wellhub (formerly Gympass); * Childcare allowance; * Educational assistance; Centro de Pesquisas de Energia Elétrica (CEPEL), founded by Eletrobras in 1974, is the largest R\&D institution in the electricity sector in Latin America. With over five decades of operation, CEPEL is recognized as a non-profit Scientific, Technological, and Innovation Institution (ICT), combining an outstanding technical workforce with world-class laboratory infrastructure. Present across Brazil and in nine countries, CEPEL develops technologies and services for power generation, transmission, distribution, and trading, driving advances that make the sector more efficient and reliable. Its strategic solutions cover R\&D projects, technical consulting, laboratory services, and technologies for planning, operation, and management of electrical systems, while also strengthening grid resilience and reinforcing Brazil’s national energy matrix. **Mission** * To develop energy technologies for society. **Vision** * To be an international reference in innovative energy solutions. **Values** * Life first. * Our energy comes from people. * Integrity always. * Our excellence makes the difference. * Innovate to create value.