Senior Systems Development Analyst – Node.js Backend

Finnet

. Work end to end on the evolution of backend solutions, from understanding the problem through implementation, deployment, and production monitoring .

Posted 10/2/2026full-timeRemote • BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend development using Node.js, with a strong focus on REST API development, microservices architecture, and application monitoring. Proficient in applying software engineering best practices, including Clean Code and Design Patterns, while ensuring application resilience and performance.

Highest-signal resume keywords

Node.js Backend DevelopmentREST API DevelopmentMicroservices ArchitectureAzure DevOpsSQL and Relational Databases

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Node.jsJavaScriptTypeScriptREST APIsSQLUnit TestingIntegration TestingDesign PatternsClean CodeResilience Patterns

Soft Skills

CollaborationProblem SolvingKnowledge SharingTechnical Growth

Tools & Technologies

Azure DevOpsGitCI/CD PipelinesProduction MonitoringApplication Observability

Industry Keywords

FintechFinancial InstitutionsBanking IntegrationsPayment MethodsHigh-Volume Transactional Applications

Tech Stack

Tools & technologies

AzureJavaJavaScriptNode.jsPythonSQLTypeScript

About the role

Key responsibilities & impact

Work end to end on the evolution of backend solutions, from understanding the problem through implementation, deployment, and production monitoring
Develop, enhance, and maintain applications, APIs, and services using Node.js as the primary technology stack
Develop and maintain REST APIs and integrations between internal and external systems
Work with distributed architectures, microservices, service-to-service communication, and messaging
Participate in defining and evolving solution architectures
Apply Clean Code, Design Patterns, and software architecture principles
Create and maintain unit and integration tests
Implement resilience mechanisms such as Retry, Timeout, Circuit Breaker, and Fallback
Investigate incidents, analyze logs, and diagnose issues in applications, integrations, and databases
Identify root causes and propose permanent solutions
Work with relational databases, including creating, reviewing, and analyzing SQL queries
Support performance analysis and database troubleshooting
Use Azure DevOps, including version control, pull requests, and CI/CD pipelines
Participate in code reviews and technical discussions
Assess solution impacts, risks, dependencies, effort, and complexity
Monitor applications in production and contribute to incident resolution
Collaborate with Development, Product, Quality, Infrastructure, Security, and other teams
Share knowledge and contribute to the team’s technical growth
Identify opportunities for automation and continuous improvement
Interact, when necessary, with systems and services developed in Python or Java

Requirements

What you’ll need

Experience or solid knowledge of backend development with Node.js
Development and consumption of REST APIs
JavaScript and/or TypeScript applied to backend development
Systems integration
Distributed architectures and microservices
Messaging and asynchronous processing
Relational databases and SQL
Analysis and diagnosis of issues in applications and databases
Unit and integration testing
Git and version control
Azure DevOps
CI/CD pipelines
Design Patterns, Clean Code, and software engineering best practices
Failure handling and resilience patterns such as Circuit Breaker, Retry, Timeout, and Fallback
Application and API security concepts
Application troubleshooting and log analysis
Production application monitoring and support
Knowledge of or experience developing systems with Python or Java
Knowledge of Resilience4j or equivalent frameworks for failure handling
Experience with hexagonal architecture and event-driven architecture
Experience with non-relational databases
Knowledge of Escritural Receivables, registries, or regulated financial solutions
Experience with highly critical or high-volume transactional applications
Experience working at technology companies, fintechs, or financial institutions
Knowledge of banking integrations, payment methods, or financial connectivity
Experience with application observability and monitoring
Experience modernizing applications or integrating with legacy systems

Benefits

Comp & perks

Position also open to candidates with disabilities
Remote work