Full Stack Developer III

Now Hiring at AMERICAN SYSTEMS

Epsilon, Inc. has joined AMERICAN SYSTEMS! As one organization, we offer expanded resources, streamlined operations, and increased opportunities for growth and development.

Join us to be part of a dynamic, collaborative environment dedicated to innovation and customer success.

Responsibilities

An Average Day:
As the Full-Stack Developer III, you will apply an automation and orchestration mindset to support the development and enhancement of a mission-critical self-service portal. You will be responsible for both front-end UI/UX development and back-end integration with operational tools and enterprise systems. As the Full-Stack Developer you will use your technical depth across multiple programming languages and frameworks, and your ability to understand business needs to deliver intuitive, scalable solutions. You will participate in hands-on development across modern technologies, with particular emphasis on JavaScript, Ruby, Java, Cassandra, and React. You will be responsible for troubleshooting complex workflows, building REST APIs (particularly in JRuby), and working collaboratively with stakeholders to gather requirements and implement business process improvements. Additionally, in this position you will:

• Develop, enhance, and maintain full stack components of a modern self-service portal supporting infrastructure automation
• Collaborate with service lines and business stakeholders to design and implement user-centric solutions
• Participate in requirements gathering, design reviews, code reviews, and post-implementation support
• Design and build front-end UI/UX features using JavaScript, React, CSS, and XHTML
• Implement back-end services and APIs using Ruby (JRuby preferred), Java, and integration with Cassandra and PostgreSQL
• Troubleshoot and optimize REST APIs, including creation and support of reusable service integrations
• Analyze and troubleshoot complex business workflows across front-end and back-end systems
• Document process flows, system changes, and technical architecture
• Research and apply modern development best practices and standards across platforms
• Contribute to process automation and orchestration efforts across IT service management environments

Qualifications

• As a requirement of this position, all candidates must be a U.S. Citizen. In accordance with 8 U.S.C. 1324b(a)(2)(C) , we will not consider candidates for this position who do not meet the aforementioned conditions.
• Must be able to pass federal background investigation and obtain a Public Trust
• Bachelor's degree in an IT related field or equivalent work experience.
• Minimum 5 years of full stack development experience, preferably within a complex enterprise IT environment
• Strong hands-on experience with JavaScript, including dynamic, event-driven front-end development
• Demonstrated ability to gather and translate customer or stakeholder requirements into actionable technical features
• Proficient in Ruby, with specific experience using JRuby
• Experience leading or contributing to business process improvement and application modernization efforts
• Solid understanding of Java for backend service development and integration
• Strong written communication skills with the ability to document complex technical designs and user workflows
• Experience working with Cassandra, including schema design, query optimization, and integration into scalable applications
• Hands-on experience with React, including the design of reusable, component-based front-end interfaces
• Working knowledge of PostgreSQL for backend data persistence and relational query optimization
• Familiarity with HTML, CSS, jQuery, and PHP in support of legacy or hybrid application stacks
• Experience using GIT for version control and collaborative development workflows
• Proven ability to develop or improve automated workflows in support of infrastructure or ITSM service delivery
• Comfortable working in agile or iterative development environments, both independently and within small, cross-functional teams
• Ability to manage multiple concurrent projects of varying complexity and shifting priorities
• Experience working within environments characterized by organizational change or technical ambiguity.
• Must be able to respond to calls outside of business hours when an emergency arises at the datacenter.
• Must be able to present acceptable identification for customer badging and site access, such as a REAL ID compliant driver license, U.S. Passport, or other approved document from the GSA Required Identification List .

Pay Transparency Statement

AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $125,000.00/Yr. - USD $140,000.00/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

EEO Statement

EEO Race/Sex/Disability Status/Veteran Status