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Java Developer
Washington DC, District Of Columbia  |  Onsite
Contract Position
It appears that you have already applied to this job.
Applied on July 28, 2021
Job Id #49117 Posted July 18, 2021

What are we looking for in you?

The Java developer will be responsible for participating agile development, owning track of work, participating in designs, supporting estimations, adhering to project development processes and best practices around agile project management and delivery, implementing parts of the system architecture using best practices, working with clients and stakeholders to understand the requirements and how they will be implemented and managing team members. This will include designing technical solutions, coding solutions, performing unit testing, conducting code reviews and design reviews, learning new technologies, and becoming an expert in one or many parts of the system.


Do you have the following?

  • Agile Experience within team of 5-12 people
  • Established technical designs for his/her own work and implemented them
  • Worked with the project manager or scrum master in the estimation effort for projects and work to identify and manage risk
  • Conducted hands on development activities using Agile methodology for Java based service oriented large and complex system
  • Developed conceptual and technical design including use of Microservices Architecture
  • Experience developing software
  • Conducted Java application development/coding activities
  • Documented technical design as well as other technical documents based on project’s compliance requirements.
  • Participated in and encourage interactive discussion during technical design and code reviews
  • Mentored junior team members
  • Ensured adherence to continuous improvement practices as required meeting quality / time to market imperatives


  • Must be a U.S. Citizen or U.S. / Eligible for U.S. Government Pubic Trust Clearance
  • Bachelor’s Degree required from a college or University
  • Minimum 5 years of experience in Java Development.
  • Experience with major Java technologies, such as Spring (including Spring Boot, Spring Cloud, Spring Data) and Hibernate frameworks
  • Expertise in design and development of Microservices is highly welcomed
  • Understanding and/or experience with patterns and techniques such as Domain Driven Design, Test Driven Design among others
  • Experience in design, development and production support for projects using Java/Spring based Microservices Architecture
  • Experience creating Technical Design Documents
  • Experience with Continuous Integration, Continuous Delivery and DevOps tools and processes
  • Experience working independently on proof of concepts
  • Strong communication
  • Agile/Scrum knowledge
  • Experience with Object Oriented Technologies
  • Understanding of how the Internet works, including: HTTP protocol, DNS, SSL, Web servers, load balancing
  • Experience with SQL and data structure design is highly welcomed

Nice to haves

  • Experience with supporting federal security requirements for enterprise applications
  • Experience with API definition tools such as Swagger
  • Experience with front-end development workflows using Git, Node.js/npm, Gulp, React, Angular and Bower
  • Experience with Event Driven Architecture
  • Experience with JWT (JSON Web Tokens) authentication framework
  • Experience with AWS

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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