Java Software Engineer

Position: Bilingual Java Developer Duration: 12 month assignment (contract) Client Location: Toronto, ON - Hybrid 4 days per week Engagement Model: Professional Services Engagement – B2B (Incorporated Entities Only) Overview Senior Software Engineers will be responsible for designing, developing, and supporting mission-critical services within a Brazil-focused payments platform. This role will have a strong emphasis on API development, microservices, event-driven architecture, payment integrations, and scalable service implementation. The engineer will collaborate closely with teams based in Brazil and work as a key contributor within a distributed global engineering organization. Responsibilities Design, develop, test, and maintain scalable microservices and APIs. Build integrations between core banking systems and external payment platforms and ecosystems. Develop event-driven solutions using Kafka and asynchronous messaging patterns. Design and implement RESTful APIs and service-to-service integrations. Participate in technical design, architecture discussions, and solution refinement. Ensure applications meet functional, performance, security, compliance, and reliability requirements. Contribute to CI/CD pipelines, automated testing, code quality, and engineering best practices. Troubleshoot production issues and support performance, reliability, and scalability improvements. Help drive modernization and long-term sustainability of the Brazil payments platform. Collaborate with cross-functional and geographically distributed engineering teams. Required Skills & Experience Strong hands-on experience with Java and Spring Boot. Portuguese language proficiency. Proven experience designing and developing distributed systems and microservices. Strong experience building REST APIs and integrating backend services. Solid knowledge of Kafka, event-driven architecture, and asynchronous messaging. Experience with MongoDB and/or relational databases such as Oracle or PostgreSQL. Experience with Redis or other caching technologies. Familiarity with CI/CD pipelines, Git, automated testing, and DevOps practices. Experience working within Agile development environments. Background supporting payment systems, financial platforms, or transaction-processing applications. Strong analytical, troubleshooting, and problem-solving abilities. Ability to communicate and collaborate effectively with distributed global teams. Desired Skills & Experience Experience working with Brazilian payment platforms and financial ecosystems. Knowledge of PIX, TED, DDA, Receivables, Cash Management, or related banking products. Experience with Matera platforms or payment-processing solutions. Familiarity with Airflow or other workflow orchestration platforms. Experience with OpenShift, Kubernetes, Docker, and cloud-native technologies. Experience with Splunk, Dynatrace, Grafana, or comparable observability platforms. Experience working within highly regulated financial services organizations. We thank all applicants for their interest in this opportunity. Only candidates meeting the above qualifications will be contacted for further discussions. Accessibility: At Akkodis, part of The Adecco Group, our purpose is simple: to make the future work for everyone. We live our values, Passion, Collaboration, Inclusion, Courage, and Customers at Heart, by fostering a workplace where diversity is celebrated and every voice matters. We encourage applications from individuals of all backgrounds and identities. Together, we’re making the future work for everyone

Design, develop, and maintain scalable microservices and APIs for a Brazil-focused payments platform. Build integrations between core banking systems and external payment ecosystems using event-driven architecture.

Requires strong proficiency in Java, Spring Boot, and Portuguese language skills. Candidates must have experience with Kafka, distributed systems, and a background in financial or payment processing platforms.

• REST APIsPreferred
• CI/CDPreferred
• RedisPreferred
• PostgreSQLPreferred
• DockerPreferred
• AgilePreferred
• MongoDBPreferred
• JavaPreferred
• Spring BootPreferred

Identified from the job description. Confirm important requirements above.

• Java
• Spring Boot
• Portuguese Language
• Microservices
• REST APIs
• Kafka
• Event-Driven Architecture
• MongoDB
• Oracle
• PostgreSQL
• Redis
• CI/CD
• Agile
• Payment Systems
• Distributed Systems
• Docker

• Software
• Technology
• Engineering
• Finance & Accounting
• Consulting

Minimum experience

5+ years

Apply by

Sep 23, 2026

Posting language

English

Working hours

40 hours per week

Office presence

4 days per week

Seniority

Associate

Application method

Direct apply is available