Senior Backend Java Engineer - Background core Java

Quick Answer: What is this job?

PALO IT is hiring a Senior Backend Java Engineer in Sao Paulo to design, develop, and optimize robust, scalable, and secure backend solutions within modern microservices-based architectures. The role is part of a technology consultancy with over 400 experts across 9 countries.

Who We Are

Building the AI-first frontier enterprise

We are a global technology consultancy with a trademarked, AI-first approach, Gen-e2™. It redefines how enterprises build digital products and transform their organizations with AI. We do the right thing, and we do it right. We're proud to be a World Economic Forum New Champion, and a B Corp-certified company.

• We are small enough to care locally, big enough to deliver globally (9 countries, 400+ experts from 50+ nationalities)

• We are becoming an agentic organization, adopting the AI-native operating model we bring to our clients.

• We are robust and resilient (100% independent, 0 debt, founded 2009)

• We are AI-native professionals who invest in what we believe and work as a collective intelligence

• We are positive, courageous and deliver at the leading edge

What does a Senior Backend Java Engineer do at PALO IT?

As a Senior Backend Java Engineer at PALO IT, you will be pivotal in shaping the next wave of software innovation through the following responsibilities:

• Design, develop, and maintain high-performance backend applications in Java (Java 8+) ensuring high availability.

• Implement robust RESTful APIs with features like versioning, authentication, and documentation utilizing Swagger/OpenAPI.

• Build microservices employing frameworks such as Spring Boot and/or Jakarta EE.

• Efficiently manage and integrate relational databases (e.g., PostgreSQL, MySQL) and NoSQL technologies (e.g., MongoDB, Redis).

• Optimize data access through ORM frameworks such as Hibernate or JPA.

• Develop and implement unit tests and automated API tests using tools such as JUnit, Mockito, Testcontainers, and Postman/Newman.

• Apply SOLID principles, design patterns, and secure development best practices (e.g., OWASP).

• Contribute to the continuous improvement of CI/CD pipelines using tools like Jenkins or GitLab CI.

• Collaborate in agile teams (Scrum) and participate actively in code reviews and pull request management.

• Identify bottlenecks and optimize performance in production environments.

• Communicate technical solutions and document APIs in English in an international setting.

What experience do you need for this role?

You are a strong fit for this Senior Backend Java Engineer role if you have:

• 5+ years of experience in backend application development using Java.

• Proficiency in designing and implementing RESTful APIs.

• Strong experience with frameworks such as Spring Boot and/or Jakarta EE.

• Advanced knowledge of relational databases and NoSQL technologies.

• In-depth experience with ORM frameworks like Hibernate or JPA.

• Proficiency in automated testing (unit and API testing).

• Solid understanding of SOLID principles, design patterns, and application security.

• Familiarity with CI/CD pipelines.

• Advanced skills in Git and experience with Agile methodologies (Scrum).

• Excellent troubleshooting, debugging, and performance optimization skills.

• Advanced English proficiency (spoken and written) for global collaboration.

More About PALO IT

Why join PALO IT as a Senior Backend Java Engineer? You will be part of a forward-thinking, collaborative environment that encourages continuous personal and professional growth through the PALO IT Academy, specialized training, and R&D projects. Benefit from global opportunities and be empowered to innovate and shape next-level AI methodologies as part of a collective intelligence.

Diversity, Equity and Inclusion

PALO IT provides equal opportunities and assesses candidates solely based on skills, potential, and motivation. We welcome applications regardless of gender identity or expression, sexual orientation, age, background, ethnicity, religion, disability, or any other protected attribute.

Frequently Asked Questions about this role

Q: What is the work model for this role?
A: Hybrid

Q: What technologies will I be working with?
A: You will work primarily with Java (Java 8+), Spring Boot, RESTful APIs, PostgreSQL, MongoDB, and various CI/CD tools.

Q: What is the level of seniority for this position?
A: This is a senior-level position requiring significant experience in Java backend development.