Principal Full Stack Developer (Remote)

We are open to supporting 100% remote work anywhere within the U.S. ICFs Digital Modernization division is a rapidly growing, entrepreneurial, technology department, seeking a Principal Full Stack Developer to support upcoming needs with our federal customers.Our Digital Modernization division is an information technology and management consulting department that offers integrated, strategic solutions to its public and private-sector clients. ICF has the expertise, agility, and commitment to design, build, and operate high-performance IT engines to support all aspects of our clients business.The development lead will manage the full lifecycle of development for modifications to large, complex, mission critical enterprise applications, develop and enforce coding standards and best practices, collaborate with a 46-person development team, and follow solutions as they are developed through production deployment, while helping to mentor other developers.The WorkYou will be part of an established team supporting our General Services Administration (GSA) client in Washington, DC. The ICF team at GSA performs custom software development to modernize the legacy platform into a cloud platform using modular design standards. The team works closely with clients and other contractors to ensure the performance and reliability of the Integrated Award Environment (IAE) public-facing, mission-critical applications.Key ResponsibilitiesParticipate in the full software development life cycle (design, development, testing, deployment, and documentation)Provide technical leadership to teammates through coaching, mentoring, and pair programmingManage delivery of multiple simultaneous development projects from design through deploymentWork closely with scrum master and project manager to report and manage any technical issues and risksEnsure high standards of code quality by enforcing adherence to best practicesLead the design and architecture of new applicationsParticipate in scrum ceremonies and provide feedback on user stories/acceptance criteria, story point estimates and sprint planningPeer review team members development and share constructive criticismLearn and adopt new technologies in a short period of time as requiredDevelop solutions for complex problems as requiredCoordinate with other development teams and contractors to work on program-level initiatives, resolve issues and dependenciesCommunicate with the customer to provide progress status updates and propose technical solutionsRequired Skills and ExperienceFront End8+ years of experience as a full-stack Java developer, 3+ in Angular1+ years of experience with HTML, CSS, JavaScript, JQuery, AJAX1+ years of experience and solid understanding of HTTP protocols and REST API1+ years of knowledge of browser troubleshooting and debugging practices and techniques1+ years of experience with responsive and adaptive design1+ years of experience with angular unit testingBack End3+ years of Java expertise1+ years of experience with the Spring Framework and Spring Boot1+ years of experience with Hibernate or some other ORM; ODBC, JDBC1+ years of experience with Maven1+ years of experience with unit testing with JUnit or similar framework1+ years of knowledge of common data structures and algorithm Infrastructure/Process1+ years of experience with Git and branching/merging techniques1+ years of experience with CI/CD frameworks and tools such as Jenkins, Bamboo, Bitbucket1+ years of experience with unit testing via JUnit or similar framework US Citizenship or Green card required (required by federal government for this position).Must be able to obtain Public Trust clearance. Desired Skills and Experience1+ years of experience with micro frontend and micro services1+ years of experience with Angular Formly componentsUnderstanding of 508 compliance concepts1+ years of experience with JMeter and Selenium1+ years of experience with Java-based MVC frameworks: Struts, Seam, Spring MVC1+ years of experience with AngularJS (version 2+)1+ years of experience with Scaled Agile Framework (SAFe) principles and ceremoniesThis is an outstanding opportunity to work with talented and passionate individuals and to grow with a firm that believes in nurturing talent and developing long-term career success. ICF is a purpose driven company with a strong culture and underlying values that prize diversity, opportunity, equality, and respect. Our core values include Embracing Differences, and we seek candidates who are passionate about building a culture that encourages, embraces and hires dimensions of differences.Working at ICFWorking at ICF means applying a passion for meaningful work with intellectual rigor to help solve the leading issues of our day. Smart, compassionate, innovative, committed, ICF employees tackle unprecedented challenges to benefit people, businesses, and governments around the globe. We believe in collaboration, mutual respect, open communication, and opportunity for growth.We can only solve the world''s toughest challenges by building an inclusive workplace that allows everyone to thrive. We are an equal opportunity employer, committed to hiring regardless of any protected characteristic, such as race, ethnicity, national origin, color, sex, gender identity/expression, sexual orientation, religion, age, disability status, or military/veteran status. Together, our employees are empowered to share their expertise and collaborate with others to achieve personal and professional goals. For more information, please read our EEO & AA policy (.COVID-19 Policy: New or prospective U.S. employees must provide proof of complete vaccination on the date of their commencement of employment. If selected for employment, you will provide proof of your full vaccination status, defined as vaccinated two weeks after receiving the requisite number of doses of a COVID-19 vaccine approved or authorized for emergency use by the FDA.Reasonable Accommodations are available, including, but not limited to, for disabled veterans, individuals with disabilities, and individuals with sincerely held religious beliefs, in all phases of the application and employment process. To request an accommodation please email [Click Here to Email Your Resumé] and we will be happy to assist. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations. Read more about non-discrimination: EEO is the law (and Pay Transparency Statement (.Pay Range - There are multiple factors that are considered in determining final salary for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. The salary range for Colorado is - $97,594.00-$165,910.00Nationwide Remote Office (US99)

Created: 2025-11-15