Back-end Developer, Java

ioasys

. Actively participate as part of the team in reviewing and improving code, assessing implementation and code validation .

Posted 11/6/2026full-timeBelo Horizonte • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Java programming and the Spring ecosystem, with a strong focus on creating and maintaining web services. Proficient in agile methodologies, particularly Scrum, and capable of assessing technical feasibility and proposing effective solutions.

Highest-signal resume keywords

Java ProgrammingSpring EcosystemDevOps ToolsAgile MethodologiesWeb Service Functionality

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Java ProgrammingSpring EcosystemWeb Service FunctionalityDatabase ExperienceAgile MethodologiesMicroservicesMessaging SystemsTechnical Feasibility AssessmentCode ReviewCode Validation

Soft Skills

Problem SolvingCollaboration

Tools & Technologies

DevOps ToolsCloud ProvidersAzureAWSOracleKafkaRabbitMQ

Industry Keywords

Networking ConceptsUser StoriesTechnical Refinement

Tech Stack

Tools & technologies

AWSAzureCloudJavaKafkaMicroservicesOracleRabbitMQSpring

About the role

Key responsibilities & impact

Actively participate as part of the team in reviewing and improving code, assessing implementation and code validation
Create and maintain web services
Write efficient, reusable, and maintainable code
Discuss potential solutions across the UX, Back-end, and Front-end teams
Perform technical refinement of proposed user stories (USs)
Assess technical feasibility and propose solutions

Requirements

What you’ll need

Knowledge of Java programming
Familiarity with the Spring ecosystem
Experience with DevOps tools
General knowledge of web service functionality
Knowledge of basic networking concepts
Experience with databases
Ability to propose solutions to problems
Experience with agile methodologies, preferably Scrum
A plus: experience with cloud providers (Azure, AWS, Oracle)
A plus: experience with microservices and messaging systems (Kafka or RabbitMQ)

Benefits

Comp & perks

Wellhub membership to support your health and wellness
Emotional support: two free online therapy sessions per month through Zenklub
Special discounts: up to 35% off Alpa products
Pet Leave: two consecutive days off when adopting a pet
Guapeco: health insurance for your pet
Life insurance with extensive coverage
Internal talks and courses led by our experts
English and Spanish courses to enhance your language skills
Flexible hours to help you balance your personal and professional life
No dress code—be yourself!
OnHappy for amazing travel experiences
A day off on your birthday
Internal currency redeemable at our company merchandise store