Senior UI Developer (React/Redux)

Karsun Solutions, LLC - Herndon, VA

This position supports Federal Emergency Management Agency (FEMA) for the Grants Modernization program (FEMA GMM). The FEMA GMM program represents a multi-year effort for IT Modernization and Transformation that will better enable citizens and first responders to apply for and be awarded Federal disaster and non-disaster grants.

The Karsun team is responsible for new application development, maintenance, enhancement, and operation. This position requires US citizenship, and all employees must be able to pass a Federal Suitability Check for a position of public trust. The Karsun software development team is responsible for the software design and implementation of replacement and modernization of existing legacy applications.

Successful candidates are modern development specialists experienced in translating business requirements into software architecture. In addition to strong software development skills, ideal candidates have demonstrated experience in working on an Agile Scrum team. Primary location is Herndon, VA and will require occasional travel to DC and Winchester for customer meetings.


Key Responsibilities:
Responsible for developing reusable components of single page applications and the training/support of a React Redux, Redux middleware, and Semantic-UI framework.
Responsible for designing and developing user-friendly user interfaces that are responsive and Section 508 Compliant for enterprise-wide systems under the supervision of a Solution Architect.
Training and supporting leadership initiatives to further Redux understanding/application of the middle-tier API throughout the team.
Designing, developing, troubleshooting and debugging software within a project scope ensuring that work product meets end user acceptance criteria.
Managing self-directed assignments to resolve software defects or implement features to meet schedule commitments with a high-level of quality.
Estimates and scopes development tasks and makes recommendations for innovations and improvements relating to software component designs, including reviewing the work of team members completing elements of designs.
Acquires knowledge of industry and company standards, tools and technology with a focus on pragmatic application to business-focused software solutions through initiative and self-study.
Required Skills

Highly proficient with JavaScript ES6, HTML, and CSS
Must have 5+ years developing SPAs using JS Frameworks
Must have 2+ years working experience in a React + Redux environment
Experience testing React application(s) with Jest
Working experience in Redux middleware, specifically Redux Saga
Working experience with React UI component libraries like Semantic-UI
Working experience in CSS frameworks like Bootstrap
Working experience using Agile methodologies
Experience in responsive and mobile design
Experience with accessibility-driven design and Section 508 Compliance
Desired Skills

Experience with development in Cloud and DevOps
Working experience with PostGres, DynamoDB, Oracle, Liquibase
Working knowledge Developing java web servers (SOAP or RESTFul) using the Open source framework's like Axis, CXF, and JAX-WS
Experience developing in Java and J2EE
Familiarity with continuous integration tools
Experience in Accepted Test Driven Development (ATDD) tools using Selenium, Gherkin, Cucumber, Mocha, Jasmin
Experience in using Jira or Rally

BS or MS in Computer Science or related IT field
US Citizen required for security clearance purposes