**What are we looking for?** A professional with experience in developing and maintaining systems using Senior technologies, especially the LSP language, as well as the ability to work on integrations, customizations, and new functionalities within the HCM environment. A collaborative, adaptable profile that is open to following client instructions is essential. **Main Responsibilities:** Develop and maintain customizations in the Senior system using LSP. Create integrations between systems, preferably using Senior Connect (a low\-code tool based on Java). Work on requirements related to Senior’s HCM modules (payroll, time & attendance, recruitment, positions and salaries). Develop reports and new functionalities according to client needs. Ensure quality and compliance with client guidelines throughout deliveries. **Requirements:** Advanced knowledge of LSP (Senior Programming Language). Experience with Senior Connect and familiarity with Java and JavaScript for integrations. Familiarity with Senior’s HCM modules. Ability to work collaboratively and follow client directives. Strong communication and organizational skills to handle requests submitted via ticketing systems. **Preferred Qualifications:** Experience with Senior’s web platform (Axel). Knowledge of complex integrations and low\-code tools. Prior experience in projects involving Senior systems. Proactivity in suggesting improvements and new solutions. **Work Location:** On\-site in São Paulo (Atacadão), with one remote day per week (hybrid model transitioning toward increased on\-site presence). **Why build your career at Meta?** We offer autonomy, clear goals, and a dynamic, challenging environment where professionals have the opportunity to interact with diverse technologies, participate in all types of projects, contribute new ideas, and work from anywhere in Brazil—and why not, the world. Additionally, we are ranked among the best companies to work for in Brazil by Great Place to Work and among the top 10 fastest\-growing companies in the country for three consecutive years, according to the Informática Hoje Yearbook. **What are our values?** We are people serving people We think and act like owners We have a drive for performance We grow and learn together We pursue excellence and simplicity Innovation and creativity are in our DNA All individuals are welcome regardless of condition, disability, ethnicity, religious belief, sexual orientation, appearance, age, or similar attributes. We want you to grow with us in an inclusive, welcoming environment full of opportunities.