Master Backend Developer – Tech Lead, Java, Go, AWS

This is a fully remote position, open to applicants in Brazil.

📋 Description

• Design, develop, and maintain backend services using Java and Go for high-availability and real-time applications.

• Define and enhance REST APIs, event-driven workflows, and real-time communication protocols.

• Construct and manage AWS cloud infrastructure utilizing Terraform and Kubernetes (EKS).

• Establish and uphold secure, repeatable GitLab CI/CD deployments across various environments.

• Implement observability, monitoring, and alerting systems to ensure reliability and performance.

• Work collaboratively with product, engineering, and other stakeholders in English.

• Provide technical guidance through code reviews, architectural decisions, mentoring, and best practices.

• Contribute to optimizing platform costs, capacity planning, and enhancing security measures.

• Deliver robust, scalable, secure, observable, and cost-effective backend and cloud solutions.

⛳️ Requirements

• Experience as a Master Backend Developer / Tech Lead / Senior Backend Engineer.

• Proficiency in Java 21 with Spring Boot 3.x.

• Experience with Go for real-time streaming and relay services.

• Competence in REST API design using Spring Web and OpenFeign.

• Knowledge of MongoDB / DocumentDB data modeling, Mongock migrations, and QueryDSL.

• Experience with Redis caching utilizing Spring Data Redis.

• Familiarity with WebSocket and real-time communication patterns.

• Expertise in Spring Security and OAuth2/OIDC with Cognito integration.

• Understanding of event-driven architectures using SNS, SQS, Spring Integration, and state machines.

• Experience with Terraform modules, service composition, and state management.

• Knowledge of AWS services: EKS, ECR, Lambda, VPC, IAM, S3, CloudFront, SSM, Secrets Manager, and API Gateway.

• Proficient in Kubernetes deployments, service accounts, IRSA, and namespaces.

• Familiarity with Docker multi-stage builds and container security best practices.

• Experience with GitLab CI/CD pipelines and multi-environment promotion.

• Understanding of networking concepts: NLB, DNS, security groups, and WAF.

• Knowledge of monitoring and observability tools such as CloudWatch, Dynatrace, Micrometer, and Prometheus.

• Familiarity with AWS Secrets Manager and SSM Parameter Store.

• Comfortable with daily communication in English and capable of clearly articulating complex technical concepts.

• Experience in Product Development Management (PDM) and team leadership is preferred.

• Nice-to-have: familiarity with SRS, FFmpeg, RTMP/SRT, AWS MediaLive, MediaPackage, Rust, SonarQube, AWS cost optimization, capacity planning, and Gradle.

• No specific educational credentials or years of experience required.

🏝️ Benefits

• Health and dental insurance.

• Meal and food allowance.

• Childcare assistance.

• Extended paternity leave.

• Partnerships with gyms and health and wellness professionals through Wellhub (Gympass) TotalPass.

• Profit Sharing and Results Participation (PLR).

• Life insurance.

• Access to a continuous learning platform (CI&T University).

• Discount club.

• Free online platform dedicated to physical, mental, and overall well-being.

• Courses on pregnancy and responsible parenting.

• Partnerships with online learning platforms.

• Language learning platform.

• Inclusion support and accommodations for individuals with disabilities.

• Dedicated Health and Well-being team, inclusion specialists, and affinity groups.