Go Backend Engineer II - API & Cloud Platform

Optimum; Plano (TX); On-site; USD 110,000 - 160,000; Full time

Job summary

Optimum is seeking a skilled backend engineer to extend and maintain its omni-channel API platform. You will design and deliver Go-based services using gRPC and Protocol Buffers, working across customer, order, billing, and catalog domains.

Collaboration with backend and frontend teams and migration toward modern API patterns is expected. You will implement reliable service endpoints, handle error scenarios, and ensure data consistency with Redis and Cloud Spanner.

Qualifications

• Bachelor's degree in Computer Science or equivalent experience.
• 3+ years of professional backend software development experience.
• Strong Go development skills and production backend experience.
• Experience designing, building, or consuming REST or gRPC APIs in production environments.

Responsibilities

• Design and implement API capabilities using Go, gRPC, and Protocol Buffers that support business workflows across customer, order, billing, catalog, mobile, and related domains.
• Develop and evolve service endpoints, orchestration logic, and integration layers across multiple backend and legacy systems.
• Integrate with internal and external systems using established architectural patterns, including SOAP, GraphQL, and enterprise adapters.
• Translate business requirements into Protocol Buffer contracts, Google AIP-aligned API designs, and reliable service implementations.
• Expose platform APIs to internal consumer applications through well-defined service and gateway interfaces.
• Address error handling, caching, and data consistency concerns across distributed service interactions involving Cloud Spanner, Redis, and related data stores.
• Build and maintain automated tests using Go test frameworks to validate service behavior, integration paths, and contract expectations.
• Support user-facing feature delivery through stable API contracts and collaboration with presentation-layer engineering teams.
• Participate in platform modernization efforts, including migration from legacy integration patterns toward gRPC-based service delivery.
• Contribute to code reviews, technical discussions, and continuous improvement of engineering practices within GitLab CI-supported workflows.

Skills

Go

gRPC

Protocol Buffers

REST APIs

Redis

Cloud Platforms

Git/GitLab CI

Education

Bachelor's degree in Computer Science

Tools

SOAP

GraphQL

Job description

Optimum is seeking a skilled backend engineer to extend and maintain its omni-channel API platform. You will design and deliver Go-based services using gRPC and Protocol Buffers, working across customer, order, billing, and catalog domains.

Collaboration with backend and frontend teams and migration toward modern API patterns is expected. You will implement reliable service endpoints, handle error scenarios, and ensure data consistency with Redis and Cloud Spanner.