**Work schedule:** Monday to Friday, from 8 a.m. to 6 p.m. **Work model:** On-site. **Location:** Goiânia - GO **Responsibilities:** * Develop complex features and resolve bugs. * Conduct code reviews to ensure quality and performance; perform refactoring and actively participate in architectural solution design. * Serve as a team mentor, researching emerging technologies and making strategic technical decisions to support system evolution and maintenance. **Required technical skills:** * Strong focus on Ruby and AWS: must demonstrate advanced proficiency in Ruby and Ruby on Rails (including performance optimization and RSpec usage for TDD), as well as expertise in building and maintaining APIs. * Cloud expertise centered on AWS Serverless architecture and managed services, with mastery of storage (S3) and relational databases (RDS with PostgreSQL). * Solid experience with caching solutions such as Redis to enhance application performance. Additionally, the candidate must be proficient in containerization, emphasizing development and delivery automation skills. **Required education and certifications:** * Bachelor’s degree in Technology-related fields—such as Computer Science, Information Systems, or Systems Analysis and Development—providing theoretical and practical foundations for logical reasoning and mastery of data structures and algorithms. * This undergraduate education serves as the foundation enabling professionals to subsequently pursue relevant AWS certifications (e.g., AWS Certified Developer Associate or Solutions Architect Associate) and specialize further in Software Architecture or DevOps, thereby consolidating their ability to design and maintain complex, scalable cloud-based systems. **Our benefits:** **Flexible Food Allowance via Cajú Card:** Freedom to choose how to use your allowance, ensuring flexibility and convenience. **100% Company-Paid Unimed Health Insurance:** Your health is our priority! We offer a comprehensive plan with no co-payments for exams or consultations. **Flexible Mobility Allowance via Cajú Card:** Freedom to choose how to use your allowance. **Gympass – Let’s take care of our health?** Access gyms, fitness apps, and online wellness resources—including meditation, nutrition guidance, mental health support, and more. **Paid Day Off:** One paid day off for you to enjoy however you like! **SESC Partnership:** With your SESC membership card, you and your family can enjoy a wide range of benefits—covering education, health, culture, leisure, assistance, and much more—available free of charge or at affordable prices. **Breakfast and Afternoon Snack:** Start your day with energy! We provide nutritious breakfasts and tasty snacks to sustain your productivity. **Explore new educational opportunities** through our exclusive partnerships! Enjoy discounts of 10% to 20% on undergraduate, graduate, and short-term courses.