Systems Development Analyst III_FullStack

Description

Job Summary: We are seeking a proactive professional with strong communication skills, attention to detail, and critical thinking ability, capable of managing multiple tasks and collaborating within multidisciplinary teams to develop technological solutions in the energy sector. Key Highlights: 1. Working in multidisciplinary teams 2. Developing technological solutions in the energy sector 3. Focus on innovation and excellence 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; * Communicates effectively and collaborates well within multidisciplinary teams; * Pays close attention to detail and applies critical thinking; * Can prioritize and manage multiple demands; **Responsibilities and Duties** Main Activities to be Performed: **Front\-end (React):** * Build and maintain React \+ TypeScript component libraries and templates; * 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):** * Use Git for version control, submit well-described PRs, and participate in code reviews; * Perform basic containerization with Docker (Podman optional), and use NGINX as a proxy when necessary; * Monitor metrics/logs, analyze performance, and propose continuous improvements; **Requirements and Qualifications** Mandatory Knowledge: **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, and basic observability concepts (logs, metrics, traces) using Micrometer/OpenTelemetry; Desirable Knowledge: * 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 Node.js knowledge (npm/pnpm, scripts) for front-end tooling; * Experience with MongoDB (where 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 insurance 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, it stands as a reference Scientific, Technological, and Innovation Institution (STII), non-profit, combining an excellent technical team with world-class laboratory infrastructure. Present across Brazil and in nine countries, CEPEL develops technologies and services for power generation, transmission, distribution, and trading, promoting 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 resilient grids and the national energy matrix. **Mission** * To develop energy-related technological solutions 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.