Back-end Engineer / Platform Engineer

Job Title: Back-end Engineer / Platform Engineer Location: Brazil (Remote) Mode: Contract

Role Overview We are seeking an experienced

Back-end / Platform Engineer

to design and build scalable backend services and APIs. The ideal candidate will have strong experience with

Node.js, TypeScript, GraphQL, and API development , along with experience working with cloud platforms and modern containerized environments.

Mandatory Skills GraphQL API Development (GraphQL & REST) Node.js TypeScript

Required Experience 6+ years of experience in

software engineering or backend development Strong experience building and maintaining

APIs using GraphQL and REST Solid understanding of

database design and optimization (SQL & NoSQL) Hands-on experience with

cloud platforms such as AWS or OCI Experience with

containers and orchestration tools (Docker, Kubernetes) Proficiency in backend technologies such as

Node.js, Java (Spring Boot), or Python

Key Responsibilities Design, develop, and maintain

data-driven APIs using GraphQL and REST Build and optimize

backend services

interacting with relational and NoSQL databases Design and manage

GraphQL schemas, resolvers, and API performance Collaborate with

data, product, and application teams

to define data access patterns Implement

API security, versioning, and governance best practices Deploy and manage services using

Docker and Kubernetes Work with

AWS or OCI cloud services

to build scalable and reliable systems Monitor, troubleshoot, and optimize

application and database performance Participate in

architecture discussions and mentor junior engineers