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Java Full Stack Engineer

Key Infotek LLCMinneapolis, MN🇺🇸United StatesPosted Oct 13, 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Minneapolis, MN, United States
Posted
Yesterday
MicroservicesMongoDBMySQLNode.jsAWSEncryptionOAuthAzureGraphQLJWTJavaScriptPostgreSQLRESTTypeScript

Job Description

Job Description:

  • 7+ years of experience in backend development.
  • Strong proficiency in Node.js, JavaScript, and TypeScript.
  • Hands-on experience with Stripe APIs, webhooks, payment processing, and subscription management.
  • Experience integrating third-party SaaS platforms and external APIs.
  • Strong knowledge of REST APIs, GraphQL, and webhook architectures.
  • Experience with PostgreSQL, MySQL, MongoDB, or other relational/non-relational databases.
  • Knowledge of OAuth 2.0, JWT, API security, and encryption practices.
  • Experience with Azure Functions, AWS Lambda, or serverless architectures.

Nice to Have

  • Experience with event-driven architecture and message queues.
  • Payment industry and PCI compliance knowledge.
  • Experience with POS, eCommerce, loyalty, or retail integrations.
  • Exposure to microservices and distributed systems.

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