SysMap Solutions
SysMap Solutions
SysMap Solutions is a technology services and consulting company that develops tailored digital solutions for client organizations. Its work spans cloud platforms, Salesforce and CRM systems, mobile applications, user experience, DevOps, machine learning, artificial intelligence, and broader digital transformation initiatives. The company combines software development expertise with a client-focused approach, building complex systems and applications around each customer’s operational and technical needs.

Senior Backend Developer, Node.js and NestJS — SysMap Solutions (Hybrid, Brazil)

Senior Backend Developer role building Node.js and NestJS APIs and services for a Brazilian technology company. The position focuses on scalable solutions using AWS, Oracle, and DynamoDB.

Description

  • Build and improve REST APIs and backend services with Node.js and NestJS
  • Design and deliver scalable, resilient, and highly available solutions
  • Contribute to technical discussions and software architecture decisions
  • Build and maintain solutions with AWS Lambda and Amazon API Gateway
  • Use Oracle Database and DynamoDB for data modeling, querying, and optimization
  • Create API-based integrations between internal and external systems
  • Investigate, diagnose, and resolve production issues
  • Maintain delivery quality through automated testing and sound development practices
  • Produce clean, reusable, secure, and maintainable code
  • Take part in code reviews and help advance team development standards
  • Use Git and established version-control processes
  • Contribute to CI/CD, observability, monitoring, logging, and metrics practices
  • Assess technical risks and recommend improvements to performance, security, and reliability
  • Mentor less experienced developers through guidance and knowledge sharing
  • Join technical refinement, estimation, and delivery-planning sessions

Requirements

  • Substantial experience working as a Senior Backend Developer
  • Advanced proficiency with Node.js
  • Advanced experience using NestJS
  • Experience building and maintaining REST APIs
  • Strong understanding of software architecture and development best practices
  • Experience with AWS Lambda and Amazon API Gateway
  • Practical experience with DynamoDB
  • Experience with Oracle Database and SQL
  • Proficiency with Git and version-control strategies
  • Knowledge of SOLID principles, Clean Code, and Design Patterns
  • Experience with unit and integration testing
  • Understanding of error handling, logging, and observability
  • Ability to analyze and solve problems independently
  • Strong communication skills and the ability to work with multidisciplinary teams
  • Preferred: experience with Serverless architecture
  • Preferred: experience with distributed systems and microservices
  • Preferred: knowledge of messaging and asynchronous processing with SQS, SNS, or EventBridge
  • Preferred: experience with Docker and containers
  • Preferred: knowledge of Infrastructure as Code, particularly Terraform
  • Preferred: experience with CI/CD pipelines
  • Preferred: knowledge of AWS CloudWatch, X-Ray, or comparable observability tools
  • Preferred: knowledge of API security, OAuth 2.0, JWT, IAM, Secrets Management, and OWASP
  • Preferred: experience with Redis and caching strategies
  • Preferred: knowledge of retries, timeouts, circuit breakers, idempotency, and rate limiting
  • Preferred: experience improving performance and scalability
  • Preferred: knowledge of Event-Driven Architecture
  • Preferred: experience in highly available, high-volume transaction environments

Benefits

  • Applicants with disabilities are also eligible to apply
  • The selection process includes a behavioral assessment, interviews, and hiring

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