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# Java Full Stack Engineer

- **Company:** Key Infotek Llc
- **Location:** Minneapolis, MN, United States
- **Experience:** Expert
- **Contract:** Contract
- **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Software as a Service, Distributed Systems, PostgreSQL, MongoDB, MySQL, Node.Js, OAuth, PCI Data Security Standards, Queueing Systems, JSON Web Token, TypeScript, Software Security, AWS Lambda, Backend, Event Driven Architecture, Stripe, Non-relational Database, Graphql, Restful APIs, Webhooks, Serverless Computing, Web Api, Microservices
- **Published:** October 14, 2026
- **Apply:** https://www.dice.com/job-detail/6549691b-f731-44fc-ace3-6dcb2dab4450

## About the Role

* 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.