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Sr. Software Engineer

Mondo

full-remoteseniorcontractbackend Baltimore, MD 2 days ago via LinkedIn
104,000 - 114,400 USD/annual

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Tags

GolangTypeScriptGraphQLApolloREST APIsPostgreSQLAWSCI/CDTerraformObservability

About the role

Role Overview

Senior Backend Software Engineer to design, build, and maintain scalable, secure, high-performance APIs and distributed systems in a modern cloud environment.

Contract Details

  • Title: Sr. Software Engineer
  • Location: 100% Remote
  • Start date: ASAP
  • Duration: 6 months (potential extension)
  • Compensation: $50–$55/hr (W2) plus benefits (Medical, dental, vision, 401k)
  • Visa sponsorship: Not eligible

Responsibilities

  • Build and maintain high-performance APIs using GraphQL and REST
  • Design secure, scalable backend services with modern architectures
  • Collaborate with cross-functional teams on API integrations and federation
  • Build GraphQL subgraphs and manage schema composition using Apollo
  • Manage and optimize data layers across PostgreSQL and data warehouse systems
  • Deploy and operate services on cloud platforms (AWS, GCP, Azure)
  • Implement observability (logging, metrics, distributed tracing)
  • Maintain CI/CD pipelines and support reliable zero-downtime deployments

Requirements

Must Have

  • Strong proficiency in Golang
  • Strong proficiency in TypeScript (Node.js)
  • Experience building APIs with GraphQL (Apollo) and REST
  • Hands-on experience with ORMs: GORM, Prisma, or TypeORM
  • Relational database + data modeling with PostgreSQL
  • Cloud experience with AWS/GCP/Azure (serverless and containerized environments)
  • Security protocol knowledge: JWT, OIDC, RBAC
  • CI/CD experience; Infrastructure as Code with Terraform/CDK
  • Strong observability knowledge (logging/monitoring/tracing)

Nice to Have

  • GraphQL federation and Apollo Router
  • Event-driven systems (e.g., SQS, EventBridge)
  • Integrations with data warehouses such as Snowflake
  • Distributed systems design and performance optimization

Scraped 4/13/2026

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