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AVANTTi logo
AVANTTi

Agilidade | Senioridade | Transparência | Responsabilidade Social

Senior Back-End Developer

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 51-200H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

76 days ago

Salary

0

Seniority

Senior

Job Description

Senior Back-End Developer

AVANTTi

• 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

Job 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

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