We are looking for a **Systems Developer** to develop, deploy, and maintain websites and systems, aiming for agility, security, and effectiveness of processes—tailoring them to the needs of departments and customers. If you are an attentive professional who delights your customers and demonstrates a strong sense of ownership, Brisanet is the place for you! Let’s set 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 departmental routines and processes; * Populate departmental performance indicators; * Actively participate in organizational meetings and commitments when requested; * Provide support to colleagues on matters related to the department; * Use individual and collective personal protective equipment (PPE) when required; * Develop, deploy, and maintain websites, systems, and applications, aiming for agility, security, and effectiveness of processes—tailoring them to the needs of departments and customers; * Build website/system user interfaces, optimizing them for the best possible user experience; * Model databases; * Define the logic of websites, systems, and/or applications; * 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 fix errors in website/system source code through debugging processes; * Conduct unit and integration testing; * Analyze database and query performance; * Configure functions, stored procedures, and views in databases; * Write scripts; * Build 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 (Brazilian 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 (linters, 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 (Nice-to-Have) 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 flat and growth-oriented organizational structure—meaning you are the protagonist of your own career!; * Meal benefits (Headquarters via cafeteria; Branches via iFood); * Co-payment health plan; * Dental plan; * Life insurance; * Childcare allowance; * Dependent PCD (Person with Disability) allowance; * Payroll-deductible loans (available after 6 months); * Up to 50% discount 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 Pereiro, a municipality in the interior of Ceará state. We were founded with the goal of **providing high-quality, affordable internet access to small towns**. Today, we operate across all nine states of Northeast Brazil, delivering **cutting-edge connectivity—from rural areas to state capitals**—and actively contributing to Brazil’s digital transformation.