Job Description

(Contract) Senior Software Engineer Enterprise Platforms

Type: Contract, per-project.

Location: Remote - within LATAM time zones (GMT-3 to GMT-5)

Availability: Contractor (40 hours per week)

What We Are Looking For

We are looking for an experienced Senior Software Engineer to develop and enhance high-performance and highly scalable backend services. While the role still values familiarity with Node.js and React, the primary emphasis is on Go, gRPC, Kafka, Kubernetes, and cloud-native development across AWS & GCP. You'll own the creation of robust backend services that interact with MongoDB, stream data through Kafka, and run reliably in containerized environments.

Your Profile Responsibilities

• Design, implement, and maintain data-intensive Go and node gRPC APIs.
• Build, containerize, and deploy scalable Go microservices on Kubernetes (EKS, GKE).
• Refactor and modernize legacy Node.js services into idiomatic Go services, improving performance and stability.
• Integrate and operate Apache Kafka pipelines for high-throughput event streaming, including producer/consumer logic, schema management, and monitoring.
• Leverage cloud services on both AWS and GCP to build resilient, cost-effective solutions.
• Troubleshoot technical issues.
• Conduct thorough code reviews, mentor junior engineers, and champion best practices around testing, CI/CD, and security.
• Participate in architectural design reviews, providing pragmatic feedback on scalability, fault tolerance, and cost optimization.
• Collaborate closely with Product, Program Management, QA, and other teams to align delivery with business goals.
• Provide realistic level-of-effort (LOE) estimates during quarterly PI planning, accounting for dependencies and risk factors.
• Prototype emerging technologies to accelerate engineering velocity and reduce operational overhead.

Qualities / Experience We Are Seeking

• 5+ years of professional experience in software engineering
• 3+ years of experience building production-grade highly scalable Go services
• Experience writing high performance gRPC and REST clients and servers including protobuf contracts and Client/Server communication
• Experience developing Kafka stream-processing applications, schemas, managing topics, ACLs, consumers, and offset handling
• 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 using and designing mongo DB

Nice to Have

• 2+ years of experience developing application services using Node + Mongo + Express + front-end frameworks/libraries like React
• 3+ years of experience with EKS/GKE, Helm charts, Terraform, and CI/CD pipelines
• 1+ years of linux bash scripting for automation and ops tasks
• Exposure to Redis, Docker, Git, observability stacks (Prometheus, Grafana, OpenTelemetry)
• Excellent problem-solving, clear communication, and ability to work effectively in a globally distributed team
• Experience with mongo schemas, indexing strategies, and sharding considerations
• Experience with ETL pipelines
• Experience with CRUD operation

(*) SOUTHWORKS only hires individuals from countries that are not blocked or sanctioned by the United States, including those identified on the United States Office of Foreign Asset Control (OFAC).

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