Senior Backend Developer – Node.js, NestJS

SysMap Solutions

. Develop and enhance REST APIs and backend services using Node.js and NestJS .

Posted 9/25/2026full-timeSão Paulo • BrazilSeniorWebsite

Tech Stack

Tools & technologies

AWSDockerDynamoDBJavaScriptNode.jsOracleRayRedisSQLTerraform

About the role

Key responsibilities & impact

Develop and enhance REST APIs and backend services using Node.js and NestJS
Design and implement scalable, resilient, and highly available solutions
Participate in technical discussions and software architecture decisions
Develop and maintain solutions using AWS Lambda and Amazon API Gateway
Work with Oracle Database and DynamoDB, including data modeling, queries, and optimization
Develop integrations between internal and external systems through APIs
Analyze, diagnose, and resolve issues in production environments
Ensure delivery quality through automated testing and development best practices
Write clean, reusable, secure, and maintainable code
Participate in code reviews and contribute to the evolution of the team’s development standards
Work with Git and code version control processes
Contribute to CI/CD, observability, monitoring, logging, and metrics practices
Identify technical risks and propose improvements in performance, security, and reliability
Support and guide less experienced developers through mentoring and knowledge sharing
Participate in technical refinement sessions, estimation, and delivery planning

Requirements

What you’ll need

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

Benefits

Comp & perks

Position also open to applicants with disabilities
Selection process including behavioral assessment, interviews, and hiring