Senior Java Backend Engineer - Payments & Microservices

Cloud Analytics Technologies, LLC; Missouri; On-site; USD 110,000 - 150,000; Full time

Job summary

Cloud Analytics Technologies, LLC is seeking a senior software engineer in Missouri with 7-12 years of experience in Java, J2EE, Spring, and microservices. You will design and implement scalable solutions in Azure with PostgreSQL databases and modern API patterns.

Hands-on with Docker/Kubernetes, API testing, and CI/CD tooling is required. Strong problem-solving and communication skills are essential for cross‑functional collaboration.

Qualifications

• Hands-on with Java, J2EE, Postgres, REST/SOAP, Spring Boot, Spring MVC, Hibernate/JPA, API Gateway, Azure and Microservices.

Responsibilities

• 7-12 years of experience designing software solutions using architecture principles.
• Payment domain expertise and ability to drive the team, integrations, migrations, and create approach.
• Experience in Angular and front-end technologies is a plus.
• Knowledge of Kafka, Integration patterns, Security standards, Concurrency and Multi-threading, PostgreSQL, Azure, Docker, Kubernetes.
• Hands-on, high-energy, detail-oriented, proactive, and able to function independently under pressure.
• Strong Problem-Solving skills.
• API and Contract Testing using REST Assured/Postman/Swagger/SOAP UI + Groovy/Spring Cloud Contract.
• TDD Methodology and Unit Testing using Junit/XCTest.
• Use of mocking frameworks such as API Service Virtualization/Mockito/OCMock.
• Static Code Analysis using SonarQube/Xcode Static Analyzer.
• Hands on with Jenkins/PCF or similar tools for automated provisioning of build and test infrastructure.
• Troubleshooting with Splunk, API aids like Swagger/Postman and source control systems like Git.
• Intermediate knowledge of Maven, Junit, Redis, Oracle database, SQL, Unix command, Shell scripting.
• Good knowledge of tools like Sonar, Data-dog/Dynatrace, GIT, SVN, Rally/Jira, CI (Jenkin / Bamboo)/CD, Splunk.
• Strong communication skills -- both verbal and written – with strong relationship, collaborative skills, and organizational skills
• Proven experience in Agile methodology, SDLC, & implementation of Projects, debugging applications.

Skills

Java

J2EE

Spring

REST

SOAP

PostgreSQL

Hibernate

Azure

Microservices

API Gateway

Docker

Kubernetes

Git

CI/CD

Jenkins

Unix Shell

TDD

JUnit

Tools

SonarQube

Xcode Static Analyzer

Swagger

Postman

Git

Jira

Splunk

Dynatrace

Datadog

SPLUNK

Datadog

Oracle

Maven

Job description

Cloud Analytics Technologies, LLC is seeking a senior software engineer in Missouri with 7-12 years of experience in Java, J2EE, Spring, and microservices. You will design and implement scalable solutions in Azure with PostgreSQL databases and modern API patterns.

Hands-on with Docker/Kubernetes, API testing, and CI/CD tooling is required. Strong problem-solving and communication skills are essential for cross‑functional collaboration.