Senior Back-End Developer

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🕒 May 5

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AVANTTi

WebsiteLinkedInAll Job Openings

51 - 200 employees

🤝 B2B

🎯 Recruiter

🏢 Enterprise

B2B • Recruitment • Enterprise

AVANTTi is a Brazilian technology services company that helps organizations maximize the value of their technology and innovation projects through its VMO (Value Management Office) methodology. It offers IT staffing and hunting (outsourcing/bodyshop), rapid squad formation, a software factory for technologies like ABAP, Java and . NET, and portfolio/SAFe management to support digital transformation across sectors such as banking, manufacturing, logistics, retail and education. The company operates from Curitiba, São Paulo and Rio de Janeiro and focuses on B2B delivery, enterprise IT solutions and talent allocation.

📋 Description

• Develop, evolve and maintain back-end services and APIs • Implement complex business rules and critical flows • Ensure application quality, performance and scalability • Define and evolve architectures (monoliths, microservices and event-driven) • Select technologies, frameworks and design patterns • Ensure adherence to best practices (Clean Code, SOLID, DDD) • Integrate internal and external systems (APIs, messaging and third-party services) • Ensure reliability and fault tolerance in integrations • Model and optimize relational and NoSQL databases • Identify and resolve performance bottlenecks • Implement authentication, authorization and data security (LGPD) • Monitor logs, metrics and incidents in production • Write and maintain automated tests • Perform code reviews and enforce technical standards • Participate in incident prevention and resolution • Take part in CI/CD pipelines and deployment processes • Work with cloud, containers and production environments • Serve as a technical reference and mentor developers • Collaborate with product, front-end, QA teams and stakeholders • Support technical planning and requirement refinement

🎯 Requirements

• Advanced proficiency in at least one back-end language (Java, C#, Python, Node.js or Go) • Strong foundation in object-oriented and/or functional programming • Experience with software architecture (monolithic, microservices and event-driven) • Knowledge of design patterns and principles such as SOLID, Clean Architecture and DDD • Experience with REST APIs and/or GraphQL • Integration with external systems, messaging and webhooks • Proficiency in relational databases (MySQL, SQL Server, Oracle) • Experience with NoSQL databases (MongoDB, Redis, DynamoDB, etc.) • Data modeling and query optimization • Experience with cloud (AWS, Azure or GCP) • Containers (Docker) and orchestration (Kubernetes) • CI/CD and deployment automation • Automated testing (unit, integration and contract) • Logging, monitoring and observability • Authentication and authorization (JWT, OAuth2, OpenID Connect) • API security and data protection (LGPD)

🏖️ Benefits

• Challenging, high-impact projects • Collaborative environment focused on technical excellence • Opportunity to work with modern technologies • Culture that values autonomy, continuous learning and innovation