Full Stack Developer III

American Systems•Kansas City, MO

10h•$125,000 - $140,000

About The Position

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

Requirements

U.S. Citizen
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

Responsibilities

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