Desenvolvedor Back end Sr

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Developer (Desenvolvedor Back-end Sr) based in Brazil.

This is a senior-level engineering role focused on building and evolving high-performance distributed systems that operate at scale. You will play a key role in designing backend architectures based on microservices and event-driven principles, ensuring systems are resilient, scalable, and observable. Working within a modern cloud-native environment, you will contribute to technical strategy, influence architectural decisions, and help define engineering standards across teams. The role requires strong hands-on expertise in backend development combined with the ability to mentor engineers and elevate technical maturity within the organization. You will collaborate closely with cross-functional teams, contributing to incident resolution, continuous improvement, and platform evolution. This is a highly impactful position for someone who enjoys deep technical challenges and wants to shape robust, high-availability systems.

• Lead the design and development of high-performance backend services using Java 11+ and modern frameworks such as Micronaut.
• Architect and evolve microservices and event-driven systems leveraging Kafka and related streaming patterns.
• Define and implement best practices for scalability, resilience, security, and observability in AWS-based environments.
• Design and optimize PostgreSQL data models and queries to ensure high performance and reliability.
• Establish engineering standards for versioning, security, and service governance across backend systems.
• Conduct code reviews, ensuring high-quality delivery and consistency in engineering practices.
• Support incident analysis, troubleshooting, and continuous system improvement.
• Mentor and guide developers, acting as a technical reference for the team.
• Influence technical roadmap decisions and contribute to long-term architectural strategy.

Requirements:

• Strong experience with Java 11+ and modern backend frameworks (Micronaut preferred).
• Solid background in distributed systems architecture and microservices design.
• Advanced experience with Kafka, including topics, partitions, consumer groups, DLQ, and event-driven patterns.
• Deep knowledge of PostgreSQL, including modeling, tuning, and performance optimization.
• Experience with AWS services such as RDS, MSK, API Gateway, and Infrastructure as Code tools (Terraform or CloudFormation is a plus).
• Knowledge of CI/CD pipelines, automated testing, and DevOps practices.
• Proven ability to lead and deliver complex technical solutions in production environments.
• Familiarity with software engineering best practices and scalable system design.

Differentials:

• Experience with DDD, Event Sourcing, or CQRS.
• Familiarity with observability and monitoring tools such as DataDog, OpenTelemetry, or Feature Flags.
• Previous experience in a Tech Lead or technical leadership role.
• Exposure to multi-region and fault-tolerant architectures.

Benefits:

• Competitive compensation aligned with senior-level technical expertise.
• Remote-first work model with flexible collaboration.
• Meal or food allowance depending on contract structure.
• Health and dental insurance coverage.
• Access to continuous learning platforms, certifications, and internal training programs.
• Mentorship programs and structured career development support.
• Discount programs for education, wellness, travel, and partner services.
• Access to fitness, medical, and employee assistance benefits depending on eligibility.