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Java Senior Software Engineer
Hartford, Connecticut  |  Onsite
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Applied on July 1, 2022
Job Id #56666 Posted May 31, 2022

Projects the candidate will be working on:

  • Development in Java/J2ee technologies for a REST Web services based Application.

Ideal Background:

  • Healthcare background preferred.

Top Requirements:

  • 8+ years of experience working as a Java/J2EE developer using Spring framework
  • 6+ years of Web Service / API / Microservices development in REST and SOAP using Jenkins/Terraform, Springboot, deployments in Cloud (Azure/AWS/OpenShift) env.
  • 6+ years of database experience (MySQL/PostGres/DB2/Oracle)

Team and Team size:

  • 7-10 Member scrum team.

Top Responsibilities:

  • Lead Onshore and Offshore team to achieve key business objectives of the UHG/Optum EDI business.
  • Lead medium to large, complex projects to achieve key business objectives.
  • Responsible for IT Application’s availability, reliability and stability
  • Be willing to work on 24x7 on call basis
  • Collaborate with the team on application architecture design and decision-making
  • Develop innovative solutions to meet the needs of the business. Provide alternate design solutions along with project estimates.
  • Designing, coding, testing, debugging, documenting and supporting all types of applications consistent with established specifications and business requirements to deliver business value
  • Design and implement application enhancements in collaboration with different teams
  • Troubleshoot production support issues post release deployment and come up with solutions. Be able to solve complex production issues.
  • Work on Building, configuring and Maintaining Network Load balancers for Application traffic routing of the EDI applications.
  • Work on determining Network firewall requirements for different application architectures and build the rules in collaboration with the security team.
  • Work on building new Servers using Linux/AIX Operating Systems through Automations. Configure the servers for production readiness and functioning.
  • Work on Performance tuning for the new infrastructure by Load testing the services & infrastructure.
  • Use cutting edge technologies such as Artificial Intelligence (AI), Block-Chain and Machine Learning to modernize & transform the current applications.
  • Handle high priority issues involving high business impact, using different monitoring tools such as Dynatrace and HP Performance Manager and fine tune the services accordingly.
  • Work in Agile methodology as an DevOps Lead to drive projects to completion.
  • Handle Incident, Problem and Change management activities via Servicenow tool.
  • Predicts emerging customer needs and develops innovative solutions to meet them
  • Translates highly complex concepts in ways that can be understood by a variety of audiences
  • Influences senior leadership to adopt new ideas, products, and/or approaches
  • Function as a mentor for junior developers, providing assistance where needed
  • These duties require hands-on use of IT technologies such as OpenShift, Kubernetes , JAVA/J2EE, LINUX, WEBSERVICES, MESSAGING/JMS/MQ/Kafka, ITX9.0/MAPPING, DB2 10.1 SQL, MYSQL, GITHUB, RALLY, SERVICENOW, VISIO, XLD, JENKINS, SONARQUBE, EXPERTISE IN APPLICATION ARCHITECTURE/DESIGN, knowledge and work experience in F5/GTM/LTM, FIREWALL AND NETWORK configurations           


  • 8+ years of experience in full Software Development Life Cycle (Requirements/Design/Development/Testing/Deployment)
  • 8+ years of experience working as a Java/J2EE developer using Spring framework
  • 6+ years of Web Service / API / Microservices development in REST and SOAP.
  • 6+ years of database experience (MySQL/PostGres/DB2/Oracle)
  • 4+ years of UNIX commands experience
  • 4+ years exp in working in Agile methodology
  • 4+ years of exp in using Java Messaging services (MQ), WMQ, Kafka or similar
  • 4+ years’ experience in Jenkins/Terraform, Springboot, deployments in Cloud (Azure/AWS/OpenShift) env.
  • 4+ yes exp in monitoring logging and tools such as Splunk/Kibana, Prometheus/Grafana, DTSaaS etc

Skills/attributes Preferred

  • Healthcare Domain - HIPAA EDI - X12 experience especially in 270, 276, 837, 278, 834, 820 transaction sets

Horizontal facilitates valuable and productive conversations between you and potential employers. We can assist you in growing your career by partnering you with employers that offer challenging assignments. For those that join the team, we offer competitive compensation and benefits including medical, dental, vision, and retirement. Check out all we have to offer and how you can become part of the Horizontal Talent Team. In compliance in compliance with state laws and regulations related to job posting requirements, the salary range for this role is $15.00 -$115.00 per hour (hourly rates in other locations could differ). This is not a guarantee of compensation, as final offer amount may vary based on factors including but not limited to experience and geographic location.

Horizontal is proud to be an Equal Opportunity and Affirmative Action Employer. We seek to provide employment opportunities to talented, qualified candidates regardless of race, color, sex/gender including gender identity and/or expression, national origin, religion, sexual orientation, disability, marital status, citizen status, veteran status, or any other protected classification under federal, state or local law.

In addition, Horizontal will provide reasonable accommodations for qualified individuals with disabilities. If you need to request a reasonable accommodation in order to complete the application or interview process, please contact

All applicants applying must be legally authorized to work in the country of employment.


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You are considered to have a disability if you have a physical or mental impairment or medical condition that substantially limits a major life activity, or if you have a history or record of such an impairment or medical condition.

Horizontal is proud to be an Equal Employment Opportunity/Affirmative Action Employer providing a drug-free workplace.


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