Job Summary: We are seeking a Systems Developer to develop, deploy, and maintain websites and systems, aiming for process agility, security, and effectiveness. Key Highlights: 1. Develop and maintain websites and systems for agility and security. 2. Build interfaces with a focus on user experience. 3. Optimize application SEO and system performance. We are looking for a **Systems Developer** to develop, deploy, and maintain websites and systems, ensuring process agility, security, and effectiveness—tailoring them to meet departmental and customer needs. If you are an attentive professional who delights customers and demonstrates ownership, Brisanet is the place for you! Let’s sail toward the future! **\#JoinBrisanet** **Responsibilities and Duties** * Embody the organizational identity of the Brisanet Group; * Prepare reports, forms, or spreadsheets as requested; * Propose improvements to area routines and processes; * Populate area performance indicators; * Actively participate in organizational meetings and commitments when requested; * Provide support to colleagues on matters related to the area; * Use individual and collective safety equipment when required; * Develop, deploy, and maintain websites, systems, and applications, aiming for process agility, security, and effectiveness—tailoring them to meet departmental and customer needs; * Build website/system interfaces, optimizing them for the best possible user experience; * Model databases; * Define website, system, and/or application logic; * Prototype website/system projects; * Manipulate the DOM (Document Object Model) to create screens and animations; * Optimize application SEO; * Optimize animations; * Execute background tasks; * Create and integrate APIs; * Monitor API usage; * Monitor server performance; * Monitor system performance; * Identify and remove errors in website/system source code through debugging processes; * Perform unit and integration testing; * Analyze database and query performance; * Configure functions, procedures, and views in databases; * Write scripts; * Create microservices; * Architect and migrate services to cloud storage; * Document developed code. **Requirements and Qualifications** * Linux operating systems; * Data manipulation via terminal; * Computer networks; * Relational databases; * HTTP protocol; * Background task scheduling tools; * APIs (REST and GraphQL); * Version control systems; * LGPD (Brazil’s General Data Protection Law); * Programming languages (Go, Perl, Python); * Agile methodologies; * Technical English; * Code design; * Testing (unit and integration); * Architectural patterns (e.g., MVC, MC, DDD); * Automation tools (lint, package managers, webpack, etc.); * Code performance; * Non-relational databases, microservices, Clean Code, Docker, GitFlow, WebSockets, system security; * Cloud service architecture, code documentation, design patterns, design systems, concurrency / multithreading. **Preferred Qualifications:** * Crontab (task scheduler); GIT version control; * Messaging services (Kafka, RabbitMQ, etc.); * Frameworks (used by the department/employee); * Google tools (Sheets, Docs). **Additional Information** * A work culture that respects and values people; * Internal events covering diverse topics; * A collaborative environment that fosters personal and professional development; * A horizontal and vertical workplace—meaning you are the protagonist of your career!; * Meals (Headquarters via cafeteria; Branches via iFood); * Co-payment Health Plan; * Dental Plan; * Life Insurance; * Childcare Assistance; * Assistance for Dependents with Disabilities; * Payroll-deductible Loans (available after 6 months); * Discounts of up to 50% on Brisanet Internet and BrisaMusic services; * Wellhub (Gympass); * Up to 60% discounts at Higher Education Institutions. We have operated in the telecommunications sector for **27 years**, with the **mission of connecting people and promoting digital and social inclusion**. Today, we connect over 1.5 million households across Northeast Brazil, **leading the fixed broadband internet market** in the region. We are also a mobile telephony operator, experiencing increasingly significant growth. Our journey began in 1998 in the city of Pereiro, in the interior of Ceará State. We were founded with the goal of **providing high-quality internet at affordable prices to small towns**. Today, we operate across all nine states of Northeast Brazil, delivering **cutting-edge connectivity—from rural areas to state capitals**—actively contributing to Brazil’s digital transformation.