About the Position

Senior Java Developer

Date published: Aug 12 2026

Location: Sao Paulo, SP - Rua Jaceru / Brazil

Job category: Technology & Engineering

Work model: Hybrid

As a Senior Java Developer, you will make an impact by designing, developing, and maintaining scalable enterprise applications that support critical business operations. You will be a valued member of the technology team and work collaboratively with architects, business stakeholders, product owners, and cross-functional delivery teams to build reliable, secure, and high-performing solutions.

Responsibilities

Design, develop, and maintain enterprise-grade Java applications using Spring Framework and Spring Boot.
Build and enhance scalable Microservices and RESTful APIs that support complex business processes.
Integrate applications with Oracle databases, ensuring data integrity, performance, and optimized SQL execution.
Develop and support messaging solutions using JMS, Kafka, or similar event-driven technologies.
Collaborate with Agile teams to deliver high-quality software through continuous improvement, code reviews, testing, and DevOps best practices.

Requirements

6+ years of hands-on experience developing enterprise applications using Java.
Strong expertise in Java, Spring Framework, and Spring Boot.
Experience designing and implementing Microservices and RESTful APIs.
Strong experience with Oracle databases, SQL development, and performance tuning.
Experience with messaging technologies such as JMS, Kafka, or similar platforms.
Experience working with cloud platforms such as AWS, Azure, or Google Cloud Platform.
Familiarity with monitoring and observability tools such as Datadog, Dynatrace, Splunk, Prometheus, Grafana, or similar.
Experience working with NoSQL databases such as MongoDB, Cassandra, or DynamoDB.
Strong understanding of Agile methodologies, CI/CD practices, and software development best practices.
Advanced English communication skills.

Nice to Have

Experience within Financial Services domains such as Trading, Capital Markets, or Wealth Management.
Exposure to Generative AI tools and frameworks, including GitHub Copilot, OpenAI, Gemini, or similar technologies.
Experience with containerization and orchestration technologies such as Docker and Kubernetes.
Familiarity with DevOps tools, automation, and Infrastructure as Code practices.
Experience contributing to application architecture and technical strategy discussions.

We Offer

Our benefits program is built with you in mind-so you can enjoy a fulfilling, balanced and healthy life.

Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more.

Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations-and build the skills you need to grow your career.

Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

About the Company

Cognizant:

Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.

Additional employment information

Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Your Path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

Step 1: Apply to the right opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

Step 2: Connect with your recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

Step 3: Show off your skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

Step 4: Decision time

Our team will then review each candidate’s potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us-but you can count on us to keep you updated.

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Senior Java Developer

Job description