Java Developer (N3) – Application Support

Finaya

. Investigate, reproduce, and fix defects reported in Java 11+ and Spring Boot systems in production .

Posted 10/7/2026contractRemote • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Java 11+, Spring Boot, and automated testing, with a strong focus on incident management and client communication. Proficient in debugging production systems and maintaining regression test coverage while adhering to SLAs.

Highest-signal resume keywords

Java 11+Spring BootAutomated TestingIncident ManagementSQL

ATS Keywords

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Hard Skills

JavaSpring BootSQLDebuggingRegression TestingLog AnalysisAPMORMIncident Severity ClassificationHexagonal Architecture

Soft Skills

Clear CommunicationClient InteractionPressure ManagementExpectation SettingProblem-Solving

Tools & Technologies

DatadogGrafanaKibanaNew RelicCI/CD Pipelines

Industry Keywords

FintechFinancial ProductsDigital Financial JourneysN2/N3 SupportApplication Maintenance

Tech Stack

Tools & technologies

GrafanaJavaSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

Investigate, reproduce, and fix defects reported in Java 11+ and Spring Boot systems in production
Perform root-cause analysis before applying fixes
Ensure fixes are covered by regression tests
Participate in war rooms during critical incidents
Triage incident severity and prioritize investigations
Communicate incident status through clear, objective, and predictable updates
Escalate issues internally when they require a different level of expertise or decision-making
Communicate impact, timelines, and status to clients
Set realistic expectations during high-pressure situations
Identify when to reassure the client and when to escalate internally
Maintain regression test coverage for resolved bugs
Update troubleshooting documentation and runbooks
Identify recurring patterns in support requests and propose permanent fixes

Requirements

What you’ll need

At least 5 years of experience with Java and Spring Boot
Previous experience with N2/N3 support, application maintenance, or assisted operations
Ability to debug production systems, including log analysis, APM, and queries
SQL for data investigation, in addition to ORM usage
Experience with automated testing, including regression testing
Clear written and verbal communication, including under pressure and in direct client interactions
Understanding of SLAs and incident severity classification
Familiarity with DevOps culture and CI/CD pipelines
Experience with observability tools such as Datadog, Grafana, Kibana, New Relic, or similar tools is a plus
Knowledge of Hexagonal Architecture and systems architecture is a plus
Experience in fintech, financial products, or digital financial journeys is a plus
Previous experience with on-call rotations or application-support rotations is a plus
Experience working directly with external clients is a plus

Benefits

Comp & perks

PJ contractor agreement
Opportunity to work at a growing fintech, addressing real application-support challenges with a direct impact on the customer experience
Environment where engineering quality is taken seriously, even when responding to bugs
Remote-first work environment
On-call schedule/rotation with SLAs defined by incident severity
Team support available during critical situations