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Mid-Level Software Engineer – Java
Cartão EloSoftware Engineer developing and maintaining backend services in Java at Elo, a Brazilian payment technology company. Collaborating on service quality, performance, and code standards.
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in developing and maintaining backend services using Java 21 and Spring Boot, with a strong focus on clean code, automated testing, and observability. Proficient in cloud environments and container orchestration, contributing to operational excellence and AI-assisted workflows.
Highest-signal resume keywords
Java 21Spring BootKubernetesCI/CDObservability Tools
ATS Keywords
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Hard Skills
JavaSpring BootKafkaRelational DatabasesNoSQL DatabasesAutomated TestingClean CodeVersion ControlREST APIsAsynchronous Integrations
Soft Skills
CollaborationCode Review ParticipationIncident Resolution
Tools & Technologies
AzureAWSDatadogOpenTelemetryKubernetes
Industry Keywords
PaymentsAI ToolsContainerized Environments
Tech Stack
Tools & technologiesAWSAzureJavaKafkaKubernetesNode.jsNoSQLReactSpringSpring BootSpringBootTypeScript
About the role
Key responsibilities & impact- Develop and maintain backend services in Java 21 / Spring Boot, ensuring quality, performance, and test coverage.
- Write clean, testable, and secure code; actively participate in code reviews and help raise the team's technical standards.
- Support operations: investigate and resolve incidents, participate in postmortems, and implement resilience improvements.
- Adopt AI-assisted workflows in day-to-day development, contributing to the team's AI-native maturity.
- Implement and consume REST APIs and asynchronous integrations.
- Work in containerized environments (Kubernetes), with cloud deployments (Azure/AWS) and CI/CD practices.
- Ensure observability of services (logs, metrics, and traces) using Datadog/OpenTelemetry, contributing to the squad's monitoring excellence agreements.
- Collaborate in requirements refinement, estimations, and solution design.
Requirements
What you’ll need- Strong experience in Java and Spring Boot; hands-on knowledge of Kafka, Kubernetes, and relational/NoSQL databases.
- Familiarity with cloud (Azure or AWS), CI/CD, and observability tools.
- Good practices in automated testing, clean code, and version control (Git).
- Plus: experience in payments and using AI tools in development.
- Plus: knowledge of React, TypeScript, and Node.js.
Benefits
Comp & perks- Profit Sharing Program (PPR)
- Health insurance (Bradesco - with co-pay)
- Optional dental insurance (Bradesco)
- Life insurance (Banco do Brasil)
- Optional private pension plan (employees can contribute up to 7.8% of salary; company contribution ranges from 100% to 200% according to plan rules)
- Meal/food allowance of R$1,800.00
- R$150.00 flexible credit balance
- Holiday (Christmas) card — R$850.00
- Home office allowance: R$200.00 for hybrid model and R$300.00 for remote model
- Mobility allowance of R$400.00
- Free parking
- Childcare assistance for parents
- Culture allowance (can be used for theater, cinema, or bookstores)
- Extended parental leave (including for same-sex couples, fathers, adoptive parents, etc.)
- Birthday day off
- Well-being platform focused on mental health and nutrition
- WellHub and TotalPass (network of gyms and studios for sports/fitness activities)