Mid-Level Backend Developer, Node.js/Nest.js

Cadmus Soluções em TI

. Develop, maintain, and enhance backend applications primarily using Node.js and Nest.js .

Posted 9/25/2026full-timeRemote • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Proficient in developing and maintaining backend applications using Node.js and Nest.js, with a strong focus on API development, microservices architecture, and cloud environments. Demonstrates expertise in software development best practices, including CI/CD, testing, and performance optimization.

Highest-signal resume keywords

Node.js DevelopmentNest.js FrameworkREST API DevelopmentMicroservices ArchitectureAWS Cloud Services

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentSystem IntegrationSQLData ModelingUnit TestingIntegration TestingLogging and MonitoringAsynchronous ProcessingCI/CD PracticesQuery Optimization

Soft Skills

Analytical SkillsProblem-Solving SkillsOrganizational SkillsCommunication SkillsCollaboration Skills

Tools & Technologies

Generative AI ToolsObservability ToolsAPM ToolsInfrastructure as CodeContainers

Industry Keywords

Open FinanceOpen BankingFinancial ServicesPayment SystemsRegulated Environments

Tech Stack

Tools & technologies

AWSCloudJavaScriptKotlinNode.jsNoSQLPythonSQLGo

About the role

Key responsibilities & impact

Develop, maintain, and enhance backend applications primarily using Node.js and Nest.js
Develop and maintain APIs and integrations between internal and external systems
Work with microservices-based applications and distributed systems
Implement integrations using messaging and asynchronous processing
Support improvements to application performance, scalability, and resilience
Contribute to the implementation of logging, metrics, monitoring, and alerting mechanisms
Support the analysis and resolution of incidents and issues in development and production environments
Participate in the modernization and evolution of applications in cloud environments
Implement software development, security, and code quality best practices
Create and maintain unit and integration tests
Participate in code reviews and technical discussions with the team
Support the updating of libraries, frameworks, and dependencies
Contribute to CI/CD pipelines and development process automation
Use Generative AI tools, such as Claude, to support development, analysis, documentation, and productivity
Work closely with developers, QA, technical leadership, and other stakeholders involved in deliveries

Requirements

What you’ll need

Experience with Node.js
Experience with Nest.js
Experience developing REST APIs
Knowledge of backend development and system integration
Knowledge of software development best practices and code organization
Knowledge of microservices architecture
Understanding of distributed systems
Knowledge of scalability and resilience concepts
Experience with or knowledge of messaging, events, or asynchronous processing
Experience with or practical knowledge of AWS
Knowledge of applications in cloud environments
Understanding of scalability, availability, and cloud-native services
Experience with SQL
Knowledge of relational databases
Knowledge of data modeling
Understanding of query optimization and performance
Experience with logging, monitoring, and alerting
Knowledge of unit and integration testing
Experience analyzing and fixing bugs
Knowledge of CI/CD practices
Nice to have: knowledge of or experience with Open Finance and Open Banking
Nice to have: experience in financial services, payment systems, or regulated environments
Nice to have: experience with high-availability or high-transaction-volume environments
Nice to have: knowledge of Go, Kotlin, or Python
Nice to have: knowledge of NoSQL databases
Nice to have: experience with containers
Nice to have: knowledge of observability and APM tools
Nice to have: familiarity with Infrastructure as Code
Nice to have: familiarity with or experience using Generative AI in software development, especially Claude / Claude Code
Strong analytical and problem-solving skills
Organized and accountable approach to deliverables
Commitment to quality and software development best practices
Strong communication and collaboration skills
Interest in advancing technical expertise and expanding knowledge of architecture and cloud technologies
Ability to work autonomously on day-to-day activities while seeking technical support when necessary
Interest in understanding the impact of applications and integrations on the business
Interest in using AI tools to support productivity and delivery quality