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Java Backend Engineer

Job in O'Fallon, St. Charles County, Missouri, 63366, USA
Listing for: Veracity Software Inc
Full Time position
Listed on 2026-06-26
Job specializations:
  • Software Development
    Backend Developer, Cloud Engineer - Software, Java Developer, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 72000 - 115000 USD Yearly USD 72000.00 115000.00 YEAR
Job Description & How to Apply Below

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Full Time

An ideal candidate for this role would have extensive experience in Java development and be well-versed in cloud-native applications, microservices, and a modern technology stack. Here's a breakdown of the perfect candidate profile:

  • Java Expertise:
    Has at least 8+ years of hands-on Java development experience, specifically in J2EE (Java 2 Platform, Enterprise Edition). This extensive experience implies that the candidate is proficient in enterprise-grade Java applications, design patterns, and performance optimization.
  • Microservices and REST API Proficiency:
    Skilled in developing web services, particularly microservices architectures, and REST APIs. This indicates a strong understanding of how to build, scale, and maintain distributed systems effectively.
  • Database and SQL

    Skills:

    Proficient in Oracle Database, with expertise in writing complex SQL queries. This level of database knowledge is crucial for data-heavy applications and backend services.
  • Cloud-Native and Platform

    Experience:

    Familiarity with cloud platforms, preferably AWS or Azure, as well as experience with deploying cloud-native applications. Knowledge of tools like PCF (Pivotal Cloud Foundry) demonstrates the candidate's ability to work within cloud environments effectively.
  • Modern Software Design Principles:
    Deep understanding of design principles like SOLID, DRY (Don't Repeat Yourself), and Single Responsibility. This skill shows the candidate's commitment to writing clean, maintainable, and scalable code.
  • Broad Technology Stack

    Experience:

    Familiar with a range of modern tools and technologies, including NiFi (data flow management), NATS (messaging system), Kafka (event streaming), Zookeeper (coordination service), Splunk (monitoring), Redis (in-memory data structure store), Cassandra (No

    SQL database), and Oracle. The ability to simplify and create common libraries/interfaces for these tools is a plus.
  • Leadership and Collaboration

    Skills:

    Experience driving end-to-end development, conducting code reviews, developing test strategies, coordinating with cross-functional teams, and resolving operational issues. This suggests that the candidate can lead and manage projects while also being a key technical contributor.
  • Performance Optimization and Code Reviews:
    Skilled in performance code reviews and implementing best practices for efficient, scalable code.
Java Backend Engineer

O'Fallon, MO - Day 1 Onsite

Full Time

An ideal candidate for this role would have extensive experience in Java development and be well-versed in cloud-native applications, microservices, and a modern technology stack. Here's a breakdown of the perfect candidate profile:
  • Java Expertise:
    Has at least 8+ years of hands-on Java development experience, specifically in J2EE (Java 2 Platform, Enterprise Edition). This extensive experience implies that the candidate is proficient in enterprise-grade Java applications, design patterns, and performance optimization.
  • Microservices and REST API Proficiency:
    Skilled in developing web services, particularly microservices architectures, and REST APIs. This indicates a strong understanding of how to build, scale, and maintain distributed systems effectively.
  • Database and SQL

    Skills:

    Proficient in Oracle Database, with expertise in writing complex SQL queries. This level of database knowledge is crucial for data-heavy applications and backend services.
  • Cloud-Native and Platform

    Experience:

    Familiarity with cloud platforms, preferably AWS or Azure, as well as experience with deploying cloud-native applications. Knowledge of tools like PCF (Pivotal Cloud Foundry) demonstrates the candidate's ability to work within cloud environments effectively.
  • Modern Software Design Principles:
    Deep understanding of design principles like SOLID, DRY (Don't Repeat Yourself), and Single Responsibility. This skill shows the candidate's commitment to writing clean, maintainable, and scalable code.
  • Broad Technology Stack

    Experience:

    Familiar with a range of modern tools and technologies, including NiFi (data flow management), NATS (messaging system), Kafka (event streaming), Zookeeper (coordination service), Splunk (monitoring), Redis (in-memory data structure store), Cassandra (No

    SQL database), and Oracle. The ability to simplify and create common libraries/interfaces for these tools is a plus.
  • Leadership and Collaboration

    Skills:

    Experience driving end-to-end development, conducting code reviews, developing test strategies, coordinating with cross-functional teams, and resolving operational issues. This suggests that the candidate can lead and manage projects while also being a key technical contributor.
  • Performance Optimization and Code Reviews:
    Skilled in performance code reviews and implementing best practices for efficient, scalable code.
A candidate with these qualifications would likely have a background in enterprise or backend development within cloud environments, with…
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