Developer Analyst – Senior

Nuclea

Senior Analyst Developer creating efficient software solutions for modern fintech environments. Involves system development, microservices, and AWS cloud migration.

Posted 7/15/2026full-timeSão Paulo • 🇧🇷 BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining secure software solutions using Java, Spring Boot, and AWS, with a strong focus on microservices architecture and cloud migration. Proficient in implementing best practices for code quality, automated testing, and CI/CD processes.

Highest-signal resume keywords

Java 8+ DevelopmentMicroservices DevelopmentCloud Migration to AWSAutomated Testing with JUnitCI/CD with GitHub Actions

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Java 8+Spring BootMicroservices ArchitectureRESTful API DevelopmentSQL and Query OptimizationAutomated TestingVersion Control with GitHubLinux AdministrationMavenSonarQube

Tools & Technologies

AWS ServicesGitHub ActionsSonarQubeJUnitMockito

Certifications & Qualifications

Bachelor's Degree in ITPostgraduate Degree in IT (Preferred)

Industry Keywords

Object-Oriented ProgrammingSOLID PrinciplesDesign PatternsContinuous IntegrationApplication Security

Tech Stack

Tools & technologies

AWSCloudJavaJUnitLinuxMavenMockitoSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

Create and maintain robust, efficient, and secure software solutions, applying best practices in development, testing, and security;
Ensure the quality, maintainability, and evolution of source code, guaranteeing the stability and efficiency of applications in production environments;
Work on the development and support of systems, covering both monolithic and microservices architectures, and contribute to the modernization and innovation of the company’s technology solutions, including migrating monolithic systems to the cloud;
Best Practices: Ensure the use of sound development practices, including object-oriented programming, SOLID principles, and design patterns to build scalable and maintainable solutions;
Microservices Development: Design and implement microservices using Spring Boot and modern distributed architecture patterns;
Cloud Migration: Participate in system modernization, including migrating monolithic applications to AWS using managed services and refactoring strategies;
Code Maintenance: Manage the source code lifecycle, including versioning, code review, and continuous integration, ensuring clean and well-documented code;
Software Quality: Implement automated testing (unit, integration, and performance) and use tools such as SonarQube for code quality and security analysis;
Security: Apply secure development practices, including vulnerability analysis and best practices to protect APIs and sensitive data;
Support and Monitoring: Ensure application stability by fixing bugs, monitoring logs, and applying continuous improvements;
Linux Environment: Configure, maintain, and optimize Linux-based development and production environments;
CI/CD and Automation: Use GitHub Actions for deployment automation and software lifecycle management;
Cloud and AWS: Work with AWS services such as Lambda, API Gateway, RDS, S3, ECS, EKS, CloudWatch, among others, for deployment, scalability, and observability of applications.

Requirements

What you’ll need

Bachelor's degree in IT or a related field.
Postgraduate degree in IT or related areas preferred.
Experience with Java 8 and above, including Lambdas, Streams, and the Date/Time API;
Spring Boot, Spring MVC, Spring Data, Spring Security;
Building RESTful APIs and web services;
Service communication patterns (REST, messaging, event-driven architectures);
Experience migrating monolithic applications to microservices;
Data modeling, advanced SQL, and query optimization;
Application servers: JBoss, WebSphere;
Linux: basic administration and scripting for automation;
Maven, Nexus, SonarQube: build management, repositories, and code quality;
GitHub and CI/CD: experience with GitHub Actions and CI/CD pipelines;
Automated testing: JUnit, Mockito;
Application Security: encryption, digital certificates, banking protocols (SPB);
Web Services: REST, JSON, XML, XSD;
File Transfer: Connect:Direct, XFB, CFT.

Benefits

Comp & perks

Medical and Dental Plans
Meal Voucher - Ticket
Life Insurance
Home Office Allowance
Profit Sharing (PLR)
Private Pension Plan
Childcare Assistance
WellHub and Totalpass