Backend Tech Lead – Security, Authentication & Authorization

Zup Innovation

full-time

Posted on: 3/30/2026

Location Type: Remote

Location: Brazil

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About the role

Design robust architectures for the client's new authentication and authorization system
Lead the implementation of critical technical solutions, aligning deliveries with business objectives
Propose innovative solutions to anticipate and mitigate technical issues in high-load systems
Develop and review code, ensuring advanced versioning practices (interactive rebase, cherry-pick) and strong code review standards in Java 11+
Define microservices integration strategies and CI/CD pipelines for complex, distributed environments on AWS
Establish API security practices by creating authentication, authorization, and vulnerability protection guidelines
Provide technical support to the team, promoting adoption of organizational standards and best practices

Strong experience with Java 11+ applied to critical backend systems
Knowledge of Spring Security for authentication and authorization control
Experience with AWS (ECS, EKS, EC2, Lambda, SNS, SQS, API Gateway) in distributed architectures
Mastery of OAuth 2.0 and OpenID Connect protocols
Experience designing and consuming secure RESTful APIs
Configuration of robust CI/CD pipelines for cloud environments
Advanced knowledge of Git versioning (rebase, cherry-pick, conflict resolution)
Ability to analyze algorithms and data structures for high performance

Benefits

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Java 11+Spring SecurityOAuth 2.0OpenID ConnectRESTful APIsCI/CD pipelinesGitalgorithmsdata structures

Soft Skills

leadershiptechnical supportproblem-solvingcommunication