Associate Java Software Engineer (Calypso)

Location: São Paulo

Department: Financial Services BU

Why Join Exadel

We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.

From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.

What powers it all? Our people are ambitious, collaborative, and constantly evolving.

What You’ll Do

• Design and implement prioritized backend features following best software engineering practices
• Deliver scalable, flexible, and resilient solutions aligned with modern architectural principles
• Apply and advocate architectural patterns such as event-driven microservices
• Participate in technical discussions and contribute to the evolution of the product’s technical architecture
• Provide technical input during product discussions to support architecture-related decisions
• Integrate internal and external services using RESTful APIs, asynchronous messaging, and event hubs
• Ensure consistent functional and technical validations throughout the development lifecycle

What You Bring

• 4+ years of experience in backend development with Java (8–11)
• Basic knowledge of the Calypso platform
• Experience developing and deploying microservices in public cloud environments (preferably AWS)
• Solid knowledge of relational databases (e.g., MySQL, PostgreSQL) and non-relational databases (e.g., DynamoDB, MongoDB)
• Experience with messaging and event streaming systems (e.g., Kafka, RabbitMQ, SQS, SNS)
• Familiarity with microservices architecture, including containerization (Docker) and orchestration (Kubernetes)
• Familiarity with observability best practices (structured logging, metrics, health checks) using tools such as DataDog
• Experience with testing practices: unit testing (JUnit), integration and contract testing (Postman/Newman)
• Experience with CI/CD pipelines using tools such as Jenkins or similar
• Understanding of software engineering principles and clean code practices (Design Patterns, SOLID, Clean Code, 12-Factor App)
• Experience within financial market environments
• Experience with serverless services (e.g., AWS Lambda)
• Exposure to multi-cloud environments (Azure, GCP)
•  Strong planning and organizational skills, with the ability to manage priorities and multiple tasks
• Good communication and interpersonal skills to clearly discuss problems and solutions
• Strong analytical skills and logical reasoning
• Proactive mindset with strong problem-solving ability and ownership

Nice to Have

• English level B1+

Legal & Hiring Information

• Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more
• Reasonable accommodations are available to enable individuals with disabilities to perform essential functions
• Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs

Your Benefits at Exadel 

Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.

• International projects
• In-office, hybrid, or remote flexibility
• Medical healthcare
• Recognition program
• Ongoing learning & reimbursement 
• Well-being program
• Team events & local benefits 
• Sports compensation 
• Referral bonuses 
• Top-tier equipment provision

Exadel Culture

We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.