Java Backend Developer

Develcode

. Provide application support, corrective maintenance, and enhancements for Java applications .

Posted 10/26/2026full-timeSão Paulo • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in Java application development and maintenance, with a strong focus on Java SE, Java Swing, and Kotlin. Proficient in troubleshooting, performance analysis, and adhering to development best practices within Agile environments.

Highest-signal resume keywords

Senior Java DeveloperJava SEJava SwingKotlinAgile Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Java Application SupportCode AnalysisObject-Oriented ProgrammingSQL QueriesPerformance AnalysisDebuggingTroubleshootingDevelopment Best PracticesGit Version ControlDesign Patterns

Soft Skills

CollaborationKnowledge Sharing

Tools & Technologies

Java SwingJava AWTKotlinRelational DatabasesAgile Methodologies

Industry Keywords

Production EnvironmentsContinuous ImprovementSystem Modernization

Tech Stack

Tools & technologies

JavaKotlinSQL

About the role

Key responsibilities & impact

Provide application support, corrective maintenance, and enhancements for Java applications
Investigate, diagnose, and resolve incidents and problems in production environments
Develop new features and implement improvements to existing systems
Perform code analysis, identify root causes, and propose technical solutions
Work with desktop applications developed using Java Swing and Java AWT
Develop and maintain components using Kotlin
Participate in code reviews and ensure adherence to development best practices
Support application testing and acceptance, deployment, and monitoring processes
Prepare technical documentation and share knowledge with the team
Collaborate with business, support, infrastructure, and architecture teams
Contribute to system modernization and continuous improvement initiatives

Requirements

What you’ll need

Extensive experience as a Senior Java Developer
Advanced knowledge of Java SE
Hands-on experience developing and maintaining applications using Java Swing
Experience with Java AWT
Experience developing with Kotlin
Experience supporting critical systems and production environments
Knowledge of object-oriented programming, design patterns, and development best practices
Experience with Git version control
Experience with relational databases and writing SQL queries
Knowledge of performance analysis, debugging, and troubleshooting
Experience with Agile methodologies (Scrum or Kanban)
Availability to work in a hybrid arrangement, with three days onsite, in São Paulo, SP

Benefits

Comp & perks

Flexible meal and food allowance on a Swile card
Unimed National Health Plan or Health Allowance
Home Office Allowance: company-provided work equipment plus a financial benefit
Childcare Assistance
In-company English classes
Education Benefit: course platforms, financial assistance, and certification incentives
TotalPass: access to gyms and physical wellness services
Mental Health Program: psychological support and access to the Vittude platform
Swile Shop: exclusive discounts on products and services
Birthday day off
Partnership with SESC
Flexible Benefits