Back end engineer / Platform Engineer

Role:

Backend Engineer / Platform Engineer

Location:

Brazil (Remote) Contract Type:

Contract (B2B)

Mandatory Skills GraphQL API Development Node.js TypeScript Required Skills & Experience 6+ years of experience

in software engineering or backend development Strong experience building

APIs using GraphQL and REST Solid understanding of

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

cloud platforms (AWS or OCI) Experience with

containers and orchestration tools (Docker, Kubernetes) Proficiency in at least one backend language 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