ICF · 6 hours ago
Full Stack Developer
Reston, VA
Full-time
Onsite
Senior Level
$99K/yr - $168K/yr
5+ years expICF is a global advisory and technology services provider, and they are seeking a Full Stack Developer to support their Health, People, and Human Services Group Technology team. The role involves designing and delivering impactful applications and AI-powered solutions, collaborating with teams to create user-friendly experiences, and utilizing data for informed product decisions.
ConsultingInformation TechnologyProfessional Services
Responsibilities
Build end-to-end features that directly impact our clients and subject matter experts, from database design to polished user interfaces
Support product initiatives from conception through launch, working closely with our product team to validate ideas through experimentation and user feedback
Collaborate with designers to create intuitive, delightful user experiences and provide technical input on UI/UX decisions
Use data to inform product decisions through A/B testing, analytics, and user research insights
Communicate progress and insights to stakeholders, translating complex technical work into business impact
Qualification
Required
Bachelor's degree (or equivalent) with 5+ years or Master's and 2+ years of professional experience in full stack software development building production-grade applications
Experience with JavaScript/TypeScript and at least one modern front-end framework (e.g. React, Angular, or Vue)
Experience with at least one back-end language or framework (e.g. Node.js, Python, Java, Django, Flask)
Experience with database design, including both SQL relational databases and NoSQL technologies
Solid experience working with RESTful APIs and integrating them into applications
1+ years of experience integrating LLMs into production systems with a focus on prompt-engineering, error analysis, security, and reliability
1+ years of experience with cloud platforms, infrastructure as code, CI/CD, and modern development workflows
Preferred
Ability to translate business requirements into technical solutions
Familiarity with AI/ML products, architectural concepts, and responsible AI use
Exposure to agentic system frameworks (such as CrewAI, Azure SDK, Agent Kit) or AI workflow orchestration and automation tools
Experience with AI evaluation and testing frameworks (e.g., Promptfoo, LangSmith, or similar)
Experience with specification-driven software development, especially workflows supported with coding assistants (e.g., Github SpecKit)
Company
ICF
ICF is a global consulting and technology services provider focused on making big things possible for our clients.
5001-10000 employees
H1B Sponsorship
ICF has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (29)
2024 (31)
2023 (35)
2022 (29)
2021 (31)
2020 (38)
Funding
Current Stage
Public CompanyTotal Funding
$59MKey Investors
New York State Department of TransportationU.S. Environmental Protection Agency
2023-02-13Grant· $29M
2021-03-15Grant· $30M
2006-09-28IPO
Leadership Team
John Wasson
Chair and Chief Executive Officer
Jennifer Welham
Senior Vice President, Health, People, and Human Services
Recent News
2026-02-10
2026-02-05
2026-02-03
Company data provided by crunchbase