Offer summary

Qualifications:

Experience developing backend services in Java 17+ and Spring Boot., Proven ability to create RESTful APIs for mobile or web applications., Practices Test-Driven Development (TDD) to ensure code quality., Good communication skills and intermediate to advanced English proficiency..

Key responsibilities:

Design and implement REST endpoints for mobile applications.

Optimize backend services for low-latency and high-efficiency performance.

Collaborate with frontend developers to ensure seamless API integration.

Monitor and troubleshoot production APIs to maintain system reliability.

We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.
With over 7.400 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.

You’ll be the Midlevel Java Developer powering our mobile application. Your work ensures that field teams and partners get accurate, timely data on their iPads—whether they’re viewing dashboards, submitting forms or fetching data. Solid, well‑tested Java services are the backbone of our mobile experience.

What You’ll Work On:

Design and implement REST endpoints in Java 17+ with Spring Boot, tailored for low‑latency, high‑efficiency consumption by our React Native app;
Optimize payloads and error handling to guarantee a smooth UX over cellular networks;
Translate business rules (calculations, data submissions, flows) into reliable backend logic;
Coordinate with frontend peers to version APIs and manage backward compatibility;
Write comprehensive unit and integration tests (JUnit) to protect mobile workflows;
Enforce coding standards via peer reviews and static analysis;
Monitor production APIs (CloudWatch metrics, logs, alarms, Grafana) and troubleshoot issues—minimize mobile app errors and time‑outs;
Collaborate with DevOps to refine CICD pipelines (Jenkins, Terraform) for rapid, safe releases;
Engage in sprint ceremonies and backlog refinement—help define which mobile features come next;
Mentor mid‑level engineers on Spring Boot best practices and mobile integration patterns;

Requirements:
Solid experience building backend services in Java 17+ and Spring Boot;
Proven experience crafting RESTful APIs for mobile or web clients, with attention to network constraints;
Habitual TDD practitioner—your tests prevent regressions in critical mobile paths;
Comfortable diving into production logs and metrics to resolve livesite issues quickly;
Clear communicator who works hand‑in‑hand with frontend developers to deliver seamless mobile experiences;
IntermediateAdvanced english.

Our Stack & Practices:
Language & Framework: Java 17+, Spring Boot;
Mobile Frontend: React Native on iPad;
Data Layer: PostgreSQL (AuroraRDS), JPAHibernate;
Testing: JUnit;
CICD: Jenkins, Terraform;
Monitoring: CloudWatch logsmetrics, X‑Ray tracing, Grafana;
Methodology: Scrum (2‑week sprints, backlog grooming, retrospectives).

Our benefits:
Health and dental insurance
Meal and food allowance
Childcare assistance
Extended paternity leave
Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
Profit Sharing and Results Participation (PLR);
Life insurance
Continuous learning platform (CI&T University);
Discount club
Free online platform dedicated to physical, mental, and overall wellbeing
Pregnancy and responsible parenting course
Partnerships with online learning platforms
Language learning platform
And many more!

More details about our benefits here: https:ciandt.combrptbrcarreiras

At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, dont worry: we can support you in obtaining it.

We have a dedicated Health and Wellbeing team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.