Java Developer

Certisign

. Develop and maintain server-side logic, databases, APIs, and services using back-end technologies; .

Posted 10/22/2026full-timeSão Paulo • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in back-end development, focusing on Java/Kotlin and Spring Boot, while ensuring scalable and secure software architecture. Proficient in API design, database modeling, and applying software development best practices for code quality and maintainability.

Highest-signal resume keywords

Java/Kotlin DevelopmentSpring Boot FrameworkREST API DesignSQL/NoSQL Database ModelingSoftware Architecture Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaKotlinSpring BootObject-Oriented ProgrammingSOLID PrinciplesDesign PatternsRESTSQLNoSQLDocker

Soft Skills

CollaborationDocumentationProblem-Solving

Tools & Technologies

GitMongoDBKubernetesGoogle Cloud PlatformAngularReactTypeScriptJavaScript

Industry Keywords

Software DevelopmentServer-Side LogicAPIsScalabilitySecurityPerformanceMaintainability

Tech Stack

Tools & technologies

AngularCloudDockerGoogle Cloud PlatformJavaJavaScriptKotlinKubernetesMongoDBNoSQLReactSpringSpring BootSpringBootSQLTypeScript

About the role

Key responsibilities & impact

Develop and maintain server-side logic, databases, APIs, and services using back-end technologies;
Define and implement software architecture to ensure solutions are scalable, secure, and efficient, taking performance and maintainability requirements into account;
Collaborate with product, design, and operations teams to deliver solutions aligned with customer requirements, established timelines, and budgets;
Apply software development best practices to ensure code quality and security;
Maintain detailed documentation of code, architecture, and technical processes, ensuring that solutions can be easily understood and maintained.

Requirements

What you’ll need

Bachelor’s degree in Systems Analysis, Computer Science, Data Processing, Computer Engineering, or a related field;
Extensive experience with Java/Kotlin and Spring Boot;
Knowledge of object-oriented programming, SOLID principles, and design patterns;
Knowledge of REST, API design, Docker, and Git;
Experience with SQL and NoSQL database modeling (MongoDB);
Kubernetes and Google Cloud Platform knowledge is a plus;
Experience with Angular, React, TypeScript, or JavaScript is a plus.

Benefits

Comp & perks

Meal allowance on a Flash card 🍽️
Food allowance on a Flash card 🛒
SulAmérica medical and dental insurance 🏥
TotalPass and Wellhub 💪
Birthday day off 🎉
Childcare assistance 👶
Corporate university – UniSign 📚
Life insurance 🔒
Educational partnership 🎓
SESC membership 🏖️
Better Maternity Program 🤱
Extended maternity and paternity leave 👪
Pharmacy card 💊
Profit-sharing bonus 💼