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Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates strong Java development expertise, particularly in enterprise environments, with a focus on refactoring and modernizing complex applications. Proficient in AI-assisted development practices, including reverse engineering and automated test generation, while maintaining high standards for code quality and collaboration.
Highest-signal resume keywords
Java DevelopmentAI-Assisted DevelopmentRefactoring and ModernizationAutomated TestingReverse Engineering
ATS Keywords
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Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
JavaSpec-Driven Development (SDD)Automated TestingVersion ControlClean CodeSQLNoSQLAI Code GenerationCode RefactoringLegacy Dependency Management
Soft Skills
Strong CommunicationCollaboration
Tools & Technologies
GitHub CopilotClaude CodeCodexAntigravityCI&T
Industry Keywords
Enterprise CodebasesSoftware Engineering Best PracticesAI Development WorkflowsTechnical ConstraintsBusiness Logic
Tech Stack
Tools & technologiesJavaNoSQLSQL
About the role
Key responsibilities & impact- Work hands-on with complex, existing Java applications and enterprise codebases
- Analyze and reverse-engineer existing systems to understand architecture, dependencies, business logic, and technical constraints
- Use AI-assisted development tools for code generation, analysis, refactoring, testing, and documentation
- Apply structured AI development approaches, including reverse engineering, Spec-Driven Development (SDD), and automated test generation
- Refactor and modernize existing Java applications, including removing or replacing legacy dependencies and outdated components
- Generate and improve automated tests to support safe modernization and refactoring
- Collaborate with engineering teams and stakeholders to translate requirements and existing system behavior into maintainable technical solutions
- Help establish effective, repeatable AI-assisted development practices across engineering teams
- Maintain high standards for code quality, maintainability, testing, and software engineering best practices
- Work with CI&T, a technology transformation company helping large enterprises turn AI potential into business impact
Requirements
What you’ll need- Strong Java development experience, ideally within enterprise environments and complex existing systems
- Strong hands-on experience with Java application development, maintenance, refactoring, and modernization
- At least 3 months of hands-on experience using Copilot as the primary AI code-generation tool within a team project, OR at least 6 months of practical experience with comparable AI coding tools, such as Claude Code, Codex, GitHub Copilot, Antigravity, or similar
- Practical experience with shared, structured AI development workflows, particularly reverse engineering and/or Spec-Driven Development (SDD)
- Hands-on experience using AI-assisted workflows for test generation
- Practical experience refactoring existing Java systems to remove or replace legacy dependencies
- Strong ability to understand and navigate unfamiliar and complex codebases
- Solid software engineering fundamentals, including clean code, automated testing, version control, and collaborative development practices
- Strong communication skills and the ability to collaborate effectively with technical teams and stakeholders
- Java 17 and Java 21 experience is a plus
- Experience working with SQL relational databases is a plus
- Familiarity with NoSQL databases is a plus
Benefits
Comp & perks- 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
- Health and Well-being team, inclusion specialists, and affinity groups
- Support and accommodations for people with disabilities during the selection process