Senior Java Developer — Cloud, Spring Boot & Microservices

OpenKrill; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Health and dental insurance

Meal and food allowance

Childcare assistance

Extended paternity leave

Gym partnerships and Wellhub TotalPass

Profit Sharing and Results Particip

Life insurance

CI&T University

Discount club

Well-being platform access

Parental leave courses

Online learning partnerships

Language learning platform

Job summary

CI&T is seeking a Senior Java Developer to design and build a scalable cloud-based solution using Java, Spring Boot, and AWS. You will work with cross-functional teams to deliver high-quality software, optimize performance, and drive architectural decisions across microservices.

The role emphasizes collaboration, innovation, and continuous learning in a multicultural environment. You will mentor peers, participate in code reviews, and contribute to agile and TDD practices to ensure reliable,

Qualifications

• 5+ years building large, distributed systems.
• 8+ years in software development with last 4+ years in Java server-side.
• Expert in Core Java 1.8+.
• Proficient with Spring, Spring Boot, and RESTful microservices.
• JUnit, Mockito, and AssertJ experience.
• Experience with JMS/ActiveMQ messaging.
• Git proficiency and CI pipelines (Jenkins, GitHub).
• Relational and NoSQL databases; Spring JDBC/JPA/Hibernate.
• Knowledge of in-memory stores (Memcached or Hazelcast).
• Excellent communication and collaboration skills; eager to learn.
• Bachelor’s or higher in CS/Software.

Responsibilities

• Develop, test, and deploy software applications using Java, Spring Boot, and AWS.
• Collaborate with stakeholders to define project requirements and technical solutions.
• Maintain and improve performance, scalability, and reliability of applications.
• Mentor junior developers and contribute to a culture of learning.
• Implement best practices in Agile and Test-Driven Development (TDD).
• Ensure the integration of RESTful APIs within microservice architectures.
• Engage in code reviews and contribute to CI/CD processes.

Skills

Distributed systems

Core Java (1.8+)

Spring & Spring Boot

RESTful services

JUnit/Mockito/AssertJ

JMS/ActiveMQ

Git & CI (Jenkins)

SQL/NoSQL databases

In-memory stores (Memcached/Hazelcast)

Communication skills

Learning mindset

Bachelor’s degree in CS/Software

Education

Bachelor’s or higher in Computer Science/Software Development

Tools

Maven

IntelliJ

Job description

CI&T is seeking a Senior Java Developer to design and build a scalable cloud-based solution using Java, Spring Boot, and AWS. You will work with cross-functional teams to deliver high-quality software, optimize performance, and drive architectural decisions across microservices.

The role emphasizes collaboration, innovation, and continuous learning in a multicultural environment. You will mentor peers, participate in code reviews, and contribute to agile and TDD practices to ensure reliable,