> Markdown version of [/jobs/ext/2998815-api-engineer](https://www.wearedevelopers.com/jobs/ext/2998815-api-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # API Engineer - **Company:** AQUA IT - **Location:** St. Louis, MO, United States - **Experience:** Expert - **Salary:** $101,700.0 - $173,200.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Software Applications, Confluence, JIRA, Microsoft Azure, Collaborative Software, Data Integration, DevOps, Distributed Systems, Electronic Data Interchange (EDI), Middleware, Groovy, Spring Framework, Python (Programming Language), Message Broker, Cisco Nexus Switches, Node.Js, RabbitMQ, Scala (Programming Language), Software Engineering, SQL Databases, Systems Integration, WebSocket, Load Balancing, Spring Cloud, Spring-boot, Software Security, Caching, Apigee, Backend, Git, Spring Data, SC Clearance, Kubernetes, Apache Kafka, Bitbucket, Api Design, Api Gateway, Grpc, Docker, Jenkins, Mulesoft - **Published:** September 19, 2026 - **Apply:** https://www.careerjet.com/job/us0389f64550d892406ac011d5647c9f4b/eaa ## About the Role * 3+ years of experience in backend or platform engineering, including distributed systems and API design * 3+ years of experience in software development using Java or Python * 2+ years of experience with designing, deploying, and operating real-time, low-latency API platforms at scale such as Apigee, Gravitee, Kong, AWS API Gateway, or Mulesoft * 1+ years of experience with DevOps practices and technologies, including Docker, Helm, Kubernetes, and GitOps workflows; Experience with protocols, including HTTP, gRPC, or WebSockets, caching, load balancing, and API security * Experience with AWS, Azure, or GCP * Experience with Git and collaboration tools, including Jenkins, JIRA, Confluence, Nexus, or Bitbucket * Experience in gathering requirements and engaging with clients * Secret clearance * HS Diploma or GED Desired Qualifications * Experience with SQL, Server-Side Development, Middleware, Application or Data Integration, API Development, Core Application Systems, Node.js, Groovy, Scala, Spring Cloud, Spring Core, Spring-Boot, or Spring Data * Experience with using a message broker, such as Kafka or RabbitMQ ## Description Overview: This position is responsible for designing, deploying, and optimizing robust API platforms for efficient data exchange, system integrations, and secure communication; strong skills in backend or platform engineering and API design are essential ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Exploring the Power of gRPC-Gateway for Writing RESTful Services](https://www.wearedevelopers.com/videos/2072-exploring-the-power-of-grpc-gateway-for-writing-restful-services) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure) - [API = Some REST and HTTP, right? RIGHT?!](https://www.wearedevelopers.com/videos/1675-api-some-rest-and-http-right-right) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)