Senior Software Engineer (Golang)

Senior Software Engineer (Golang) Location :

Remote (Brazil) Experience :

8+ years overall Engagement :

Contractor About the Role We are seeking an experienced

Senior Software Engineer

with strong expertise in

Golang ,

Node.js , and

React

to develop and enhance high-performance, scalable backend services. The role emphasizes Go, gRPC, Kafka, Kubernetes, and cloud-native development across

AWS

and

GCP . You will be responsible for building robust backend services, integrating with

MongoDB , streaming data via

Kafka , and ensuring reliability in containerized environments. Key Responsibilities Design, implement, and maintain data-intensive

Go

and

Node.js

gRPC APIs. Build, containerize, and deploy scalable

Go microservices

on

Kubernetes

(EKS, GKE). Refactor and modernize legacy Node.js services into idiomatic Go for improved performance and stability. Integrate and operate

Apache Kafka

pipelines for high-throughput event streaming. Leverage

AWS

and

GCP

cloud services to build resilient, cost-effective solutions. Troubleshoot and resolve technical issues promptly. Conduct

code reviews , mentor junior engineers, and promote best practices in testing, CI / CD, and security. Participate in

architectural design reviews , focusing on scalability, fault tolerance, and cost optimization. Collaborate with cross-functional teams including Product, Program Management, and QA. Provide realistic

level of effort (LOE)

estimates during planning cycles. Prototype and experiment with emerging technologies to improve engineering velocity. Required Skills & Experience 5+ years

of professional software engineering experience. 3+ years

of experience building production-grade, highly scalable

Go

services. Expertise in writing high-performance

gRPC

and

REST

clients / servers, including

protobuf

contracts. Hands-on experience with

Kafka

(stream processing, topic management, schema registry, ACLs, consumers, offsets). 3+ years

of experience with

AWS

(S3, CloudFront, EKS, etc.). 1+ year

of experience with

GCP

(Cloud Storage, Kafka, GKE, CDN, etc.). 2+ years

of experience designing and using

MongoDB . Nice to Have 2+ years

developing full-stack applications using

Node.js ,

MongoDB ,

Express , and

React . 3+ years

of experience with

EKS / GKE ,

Helm ,

Terraform , and

CI / CD pipelines . 1+ year

of Linux bash scripting for automation and ops tasks. Exposure to

Redis ,

Docker ,

Git , and observability stacks ( Prometheus ,

Grafana ,

OpenTelemetry ). Strong problem-solving, communication, and collaboration skills in a globally distributed team. Experience with

MongoDB schemas , indexing, and sharding strategies. Knowledge of

ETL pipelines

and

CRUD operations .