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Senior Java Developer

  • Job type Posted on: May 16, 2026
  • Experience level Maintec Technologies
  • Employment type O Fallon, Missouri
  • Employment type Onsite
  • Salary Full-time

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Job Title :

Senior Java Developer

Job Type :

Full-time

Job Location :

O Fallon Missouri United States

Remote :

No

Jobcon Logo Job Description :

Role: - Senior Java Developer Location: - O'Fallon, MO Duration: - Long term Required Skills - Agile, API, Cloud, Cucumber, J2EE, Java, Junit, Microservices, Selenium, Spring Boot, SQL What are your top three required technical skills? Fluent in Java and object-oriented development Strong background in test automation with a focus on APIs. Experience with JUnit and/or TestNG and Selenium WebDriver (Java) What are a couple of desired/nice to have technical skills? Proficiency with cloud technologies (IaaS, PaaS, serverless technology, NoSQL databases), micro-service design, CI/CD, DevOps Working experience with JDBC connections, Oracle databases and PL/SQL **Glider Test will be required before submitting to the client** Role • Develop application logic for a multi-component system of applications • Ensure final product is highly performant, responsive and of high quality • Deliver completed code on time and with minimal to no defects or failures. • Ensure all new logic maintains current unit test coverage standards or higher • Help maintain code quality, organization, and automation • Support testing resources as needed to remediate defects, answer questions and assist with automation tasks • Actively participate in the Agile Ceremonies including Daily Scrum, Story Pointing, Story Elaboration, and Retrospectives Knowledge/Skills/Experience • Knowledge with Pivotal Cloud Foundry preferred but not required • Senior experience in delivering secure solutions in Financial Services Sector is preferred. • Advanced knowledge and understanding of Software Engineering Concepts and Methodologies is required. • Strong communication skills -- both verbal and written - and strong relationship, collaboration skills and organizational skills • Ability to quickly learn and implement new technologies, frameworks and tools and support multiple concurrent activities • Ability to adapt to a fast changing environment using the Agile/SAFe framework Key Technology Areas • Object-oriented design and programming • Java, J2EE, Java Messaging Service • Open source frameworks such as spring and Hibernate • Oracle, PL/SQL, JDBC • Web Services (JAX-WS and JAX-RS with RPC, SOAP, and REST, XML, XSL) • Object-oriented design and programming Top required technical skills: Fluent in Java and object-oriented development Strong background in test automation with a focus on APIs. Experience with JUnit and/or TestNG and Selenium WebDriver (Java) Excellent communication skills, verbal and written; able to communicate with technical people as well as management and business Has skills to document and coach team on the development practices and coding guidelines (e.g., branching, peer reviews, library use, logging, scanning rules, test-driven development, error handling) Desired/nice to have technical skills: Proficiency with cloud technologies (IaaS, PaaS, serverless technology, NoSQL databases), micro-service design, CI/CD, DevOps Working experience with JDBC connections, Oracle databases and PL/SQL

Jobcon Logo Position Details

Posted:

May 16, 2026

Reference Number:

14660_9BA9736A9C052873550A72691993DF17

Employment:

Full-time

Salary:

Not Available

City:

O Fallon

Job Origin:

APPCAST_CPC

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Role: - Senior Java Developer Location: - O'Fallon, MO Duration: - Long term Required Skills - Agile, API, Cloud, Cucumber, J2EE, Java, Junit, Microservices, Selenium, Spring Boot, SQL What are your top three required technical skills? Fluent in Java and object-oriented development Strong background in test automation with a focus on APIs. Experience with JUnit and/or TestNG and Selenium WebDriver (Java) What are a couple of desired/nice to have technical skills? Proficiency with cloud technologies (IaaS, PaaS, serverless technology, NoSQL databases), micro-service design, CI/CD, DevOps Working experience with JDBC connections, Oracle databases and PL/SQL **Glider Test will be required before submitting to the client** Role • Develop application logic for a multi-component system of applications • Ensure final product is highly performant, responsive and of high quality • Deliver completed code on time and with minimal to no defects or failures. • Ensure all new logic maintains current unit test coverage standards or higher • Help maintain code quality, organization, and automation • Support testing resources as needed to remediate defects, answer questions and assist with automation tasks • Actively participate in the Agile Ceremonies including Daily Scrum, Story Pointing, Story Elaboration, and Retrospectives Knowledge/Skills/Experience • Knowledge with Pivotal Cloud Foundry preferred but not required • Senior experience in delivering secure solutions in Financial Services Sector is preferred. • Advanced knowledge and understanding of Software Engineering Concepts and Methodologies is required. • Strong communication skills -- both verbal and written - and strong relationship, collaboration skills and organizational skills • Ability to quickly learn and implement new technologies, frameworks and tools and support multiple concurrent activities • Ability to adapt to a fast changing environment using the Agile/SAFe framework Key Technology Areas • Object-oriented design and programming • Java, J2EE, Java Messaging Service • Open source frameworks such as spring and Hibernate • Oracle, PL/SQL, JDBC • Web Services (JAX-WS and JAX-RS with RPC, SOAP, and REST, XML, XSL) • Object-oriented design and programming Top required technical skills: Fluent in Java and object-oriented development Strong background in test automation with a focus on APIs. Experience with JUnit and/or TestNG and Selenium WebDriver (Java) Excellent communication skills, verbal and written; able to communicate with technical people as well as management and business Has skills to document and coach team on the development practices and coding guidelines (e.g., branching, peer reviews, library use, logging, scanning rules, test-driven development, error handling) Desired/nice to have technical skills: Proficiency with cloud technologies (IaaS, PaaS, serverless technology, NoSQL databases), micro-service design, CI/CD, DevOps Working experience with JDBC connections, Oracle databases and PL/SQL

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