Senior Python-Java Developer, Brazil

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.

With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.

We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.

We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions. With over 8,000 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. 

As a Senior/Master developer, you will play a pivotal role in one of the world’s most recognized financial services institutions, with a strong presence across insurance, retirement, asset management and financial protection solutions. With a global footprint and a long-standing reputation for trust, scale, and innovation, the client continues to invest in technology as a key enabler to modernize its business, accelerate delivery and create more intelligent digital experiences, also focused on accelerating software delivery by introducing AI-assisted engineering capabilities across the Software Delivery Lifecycle (SDLC).

Responsibilities:
- Develop, test and implement software solutions in Python / Java.
- Collaborate with cross-functional teams to define, design, and deliver new features/products.
- -Maintain and improve the performance of existing applications.
- Identify and fix bugs and performance issues.
- Actively participate in code reviews and ensure the quality of produced code.
- Document processes and results, contributing to knowledge maintenance within the team.

Requirements:
- Proven experience in Python development (minimum of 3 years) - frameworks such as Django or Flask or FastAPI
- Proven experience in Java development (minimum of 1 year) - microservices & containerization, APIs, swagger, IAM integrations (OAuth, OpenID, SAML)
- Experience with relational databases (PostgreSQL, MySQL) and non-relational databases (MongoDB).
- Familiarity with version control tools (Git).
- Ability to write automated tests and experience with TDD/BDD.
- Knowledge of RESTful APIs and integration with third-party services.
- Experience with agile methodologies (Scrum, Kanban).
- Ability to solve complex problems and work independently.
- Good communication and collaboration skills.

Languages:
- Advanced English.

Preferred Qualifications:
- knowledge of IA/Maching Learning PyTorch or TensorFlow  or LangChain;
- Experience in DevOps and CI/CD.
- Knowledge of other programming languages (JavaScript, Go, etc.).
- Experience in cloud environments (AWS, Azure, Google Cloud).

What We Offer:
- Competitive salary and benefits.
- Opportunities for growth and professional development.
- Collaborative and innovative work environment.

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 well-being

-Pregnancy and responsible parenting course

-Partnerships with online learning platforms

-Language learning platform

And many more!

More details about our benefits here: https://ciandt.com/br/pt-br/carreiras

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. See which data needs to be included in the report by clicking here.This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it.

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