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Senior Java Developer

Hybrid - Georgia - Developer

Hollstadt Overview

Hollstadt Consulting is a management and technology consulting firm dedicated to placing professionals at engagements where they will excel. When you work with us, you'll work with a refreshingly real company led and staffed by seasoned experts who are also down-to-earth, good people. We're committed to treating you with respect and helping you achieve your career aspirations.

Since 1990, Hollstadt has been a trusted partner to more than 150 domestic and global companies and has successfully completed over 2,000 projects. Our continued growth has created challenging and rewarding opportunities for accomplished IT and Business Consultants. Hollstadt Consulting is an equal opportunity employer including disability/veteran.

Job Description

Hollstadt is seeking a Senior Java Developer.


  • Develop Webservices using Java/J2EE JAXB, consume external and internal Webservices.
  • Create and modify WSDL, schemas.
  • Deploy the Webservices in TibcoActiveMatrixServiceGrid environment.
  • Design and develop business, application, data, and infrastructure solutions, seek opportunities to optimize performance, maintain, support and troubleshoot application components as required.
  • Play an active role in the architecture and be a key voice in technical initiatives and projects requiring integration of cross-functional systems.
  • Design and develop with consideration for Non-Functional Requirements (Scalability, Reliability, Availability, Observability, Fault Tolerance, Security, and Maintainability).
  • Create system documentation/playbook(s) and serve as technical reviewer and contributor in requirements, design, and code review.
  • Develop test case design, perform test case execution, and work with product teams to resolve identified issues.
  • Have the continuous improvement mindset on all areas of development and deployment.
  • Write well designed, non-complex, testable, and efficient code.
  • Support application code deployment from Test to Production environment.
  • Aid and cover for other team members where required, including troubleshooting and maintenance of production systems/programs/applications.


  • 5+ years of Software Development experience in Java with a good understanding and hands on Core Java, Collections, Streams, Lambda expressions Java 8.
  • Proficient in JAVA JDK 1.8 or JDK 11 and J2EE.
  • Experienced with SOA/Middleware Webservice service design and development.
  • Good experience in Creating Webservices and consuming Webservices as Producer and Consumer.
  • Hands on experience in Webservices based Service implementation and design patterns.
  • Excellent Knowledge of Web services (SOAP/REST) and working experience of XML, XSD, WSDL, JDBC, MQ, and SOAP concepts.
  • Familiarity with Code Repository such as IBM Rational ClearCase and GitLab.
  • Experience in SOAP testing and tools used for service testing (SOAP-UI) and provide support during user acceptance testing.
  • Experience with Monitoring and Logging tools such as SUMO and Dynatrace.
  • Knowledge of Agile methodologies and experience working in an Agile development environment using workload management tools like VersionOne/Agility.
  • Support application code deployment from Test to Production environment.
  • Ability to troubleshoot functional issues and identify modifications needed to address the issues.
  • Able to work in a fast paced environment with minimal supervision.
  • Able to handle multiple tasks simultaneously.
  • Passion for driving continuous improvement.
  • Proactive and able to quickly pick up new technologies.
  • Strong technical and non-technical communication skills. Assures smooth flowing, timely transmission of critical information.
  • Excellent judgment and problem-solving skills; individual should be able to resolve problems in a calm and quick manner and display a high degree of initiative and drive.
  • Embraces diverse people, thinking and styles.

Preferred Qualifications:

  • Airline business domain knowledge.
  • Knowledge of JDK11 is a plus.
  • Deploying Java Webservices in TibcoActiveMatrixServiceGrid environment.
  • Good understanding and hands on Backend Spring boot API development.
  • Spring security, OAuth Security and JPA.
  • Experience in developing Spring Boot Rest API as a producer or Consumer, Backend frameworks like Hibernate.
  • Experience in Swagger design.
  • Experience with RESTFul APIs, CI/CD Tekton, Kubernetes, Maven, Gradle, GitLab, Test Driven Development, and Functional Programming.

Client Vaccination Policy:

  • Newly hired contractors/contingent workers are required to be vaccinated if they work at or at any time are required to be at a Client location.
  • By agreeing to be submitted to this role, you agree to comply with Client's vaccination requirements

Benefits + Perks

Comprehensive Benefit Plan

Hollstadt offers a competitive and comprehensive benefit package which includes Medical, Dental, Vision, Long Term/Short Term Disability, and Life Insurance. With three different medical plans to choose from, you can enroll in the coverage you need from single to family, or anywhere in between!

Remarketing Process

Hollstadt is based on retention and relationships. We get to know your strengths and career wishes throughout your assignment and then start remarket discussions 6-8 weeks prior to your end date. By being proactive, we are able to keep your down time between assignments as short as possible, unless you choose otherwise.

Professional Development

Hollstadt offers free bi-weekly training courses for our consultants as well as on-demand access to past sessions through our consultant portal. Trainings give our consultants the continuing education they need to excel on their projects.

401k + Matching

One popular benefit is our 401(k) match on the first 4% of your contributions. Hollstadt wants to help you reach your long-term financial goals and understands that planning for your future is critical. Consultants also have access to support from a Financial Advisor.

Bonus Opportunities

We appreciate and reward loyalty. Join Hollstadt, stay for 5 years, and we’ll give you a $5,000 Longevity Award bonus! Additionally, we know great talent knows other great talent. If you are on contract with Hollstadt and refer one of your connections who gets placed, we’ll pay you $1,000!

Ongoing Support & Networking

We have made a significant investment in building a support program for our consultant team - so you never have to feel like you are going it alone. We also have a Consultant Coach program which acts like a 'work buddy' to provide a safe ear for questions or concerns at your client site.