Senior Java Developer (Spring Boot)

Unibrix is looking for an experienced Senior Java Developer with strong hands-on expertise in Java and Spring Boot to join a client project in a staff augmentation model.

You will collaborate with an international engineering team and work closely with a Senior Software Architect to support backend development, maintain high code quality, and contribute to the project's technical delivery.

Tech Stack:

• Backend: Java, Spring Boot, Spring Data, Spring REST
• Cloud & Infrastructure: AWS, Kubernetes, Terraform
• Databases: Relational Databases, SQL, Transactions
• API Tools: Swagger, Postman
• Testing: JUnit 5, REST Assured

• Frontend: React, TypeScript

   

Requirements:

• Strong commercial experience in Java backend development.
• Recent hands-on experience with Spring Boot.
• Solid understanding of RESTful API development and integration.
• Experience working with Spring Data and relational databases.
• Strong knowledge of SQL and database transactions.
• Practical experience with AWS cloud services.
• Familiarity with Kubernetes and Terraform.
• Experience writing and maintaining automated tests using JUnit 5 and REST Assured.
• Experience working with Swagger and Postman for API documentation and testing.
• Understanding of Agile/Scrum development practices.
• Ability to collaborate effectively with distributed engineering teams.

• Strong communication, problem-solving, and analytical skills.

   

Nice to Have:

• Experience with React and TypeScript.
• Familiarity with Datadog or similar monitoring and observability tools.
• Experience with manual UI testing and automated backend testing.

• Previous experience working in a staff augmentation environment.

   

Responsibilities:

• Develop, maintain, and enhance backend services using Java and Spring Boot.
• Design, implement, and maintain RESTful APIs.
• Work with relational databases, SQL queries, and transaction management.
• Collaborate with the Senior Software Architect and other engineering team members.
• Write and maintain unit and API tests.
• Participate in code reviews and contribute to code quality improvements.
• Support application deployments and troubleshooting in AWS/Kubernetes environments.
• Participate in Agile ceremonies, including stand-ups, sprint planning, demos, and retrospectives.

Collaborate with the team to ensure timely delivery of project requirements.

Working conditions:

• Remote work format; 
• A flexible work schedule; the result is what matters most (8 hours a day, 5/2);
• Holidays: 24 working days after the probation period;
• Paid sick leave: 10 days after the probation period;
• 50% coverage for gyms, conference compensation, and after the probation period;