Principal Software Engineer - Remote

Our Health Engineering Solutions (HES) team works side by side with customers to articulate avision for success and then make it happen. We know success doesn't happen by accident. Ittakes the right team of people, working together on the right solutions for the customer., We are seeking a Principal Software Engineer to provide technical leadership in the design,development, and evolution of mission-critical healthcare technology platforms. This rolecombines hands-on software engineering with architectural leadership and strategic technical influence.

The successful candidate will help define technical direction, establish engineeringstandards, mentor fellow engineers, and drive the delivery of scalable, secure, and resilientcloud-native solutions.

You will work closely with product owners, engineers, architects, and business stakeholders tosolve complex technical challenges, modernize existing platforms, and build new capabilitiesthat support federal healthcare programs. You will play a key role in evaluating technologies,shaping platform architecture, and ensuring engineering excellence across the softwaredevelopment lifecycle.

We believe strongly in test-driven development, continuous integration, continuous deployment,and a DevOps-first culture.

Our core work hours are 10:00 AM - 4:00 PM Eastern Time, with flexibility to start earlier orwork later depending on your time zone.

What You'll Bring: Successful candidates are passionate about solving complex technical challenges and deliveringmeaningful outcomes for customers. They are comfortable operating at both the strategic andimplementation levels, can navigate ambiguity, and enjoy mentoring others while drivingtechnical excellence. They bring a strong sense of ownership, a collaborative mindset, and acommitment to building systems that improve healthcare outcomes and support critical public service missions.

Responsibilities

• Lead the architecture, design, and implementation of enterprise-scale cloud-nativeapplications and services.
• Provide technical leadership across multiple applications, services, and engineeringteams.
• Design and develop secure, scalable, and maintainable backend services using Node.js,TypeScript, and modern cloud technologies.
• Establish and promote engineering standards, architectural patterns, and developmentbest practices.
• Partner with product owners, business stakeholders, and engineering leadership totranslate business objectives into technical solutions.
• Lead technical design discussions and architectural reviews.
• Mentor engineers through code reviews, design reviews, technical guidance, andknowledge sharing.
• Drive platform modernization initiatives and evaluate emerging technologies for potentialadoption.
• Design and implement integrations with internal and external systems and services.
• Optimize application performance, reliability, scalability, and operational efficiency.
• Contribute to long-term technology strategy and technical roadmaps.
• Support DevOps practices, automation, observability, and continuous improvementinitiatives.
• Troubleshoot complex production issues and guide teams toward sustainable solutions.
• Collaborate effectively across distributed teams while maintaining strong communicationwith both technical and non-technical stakeholders.

Tools & Technologies: Application Development

• Node.js

• TypeScript

• JavaScript

• Express.js

• React

• GraphQL (preferred)

• REST APIs Data Technologies

• MongoDB

• PostgreSQL

• MySQL

• Mongoose Cloud & Infrastructure

• AWS Lambda

• AWS Step Functions

• AWS Fargate

• AWS ECS

• AWS Glue

• Docker

• Terraform (preferred) Engineering Practices

• CI/CD Pipelines

• Infrastructure as Code

• Automated Testing

• Cloud-Native Architecture

• Observability and Monitoring

• Agile Development

• Bachelor's degree

• 12+ years of professional software engineering experience.

• 5+ years of experience developing applications using Node.js and TypeScript.

• 3+ years of experience designing, deploying, and supporting solutions within AWS cloudenvironments.

• 3+ years' experience supporting federal healthcare programs.

• Must have lived in the United States for a total of three full years out of the last fiveyears.

• Must be able to obtain and maintain a Public Trust clearance.

• Must reside in the United States, be authorized to work in the United States, and all workmust be performed within the United States.

Strongly Preferred Qualifications:

• Experience building and supporting enterprise-scale REST APIs and distributed systems.

• Experience working with MongoDB or similar NoSQL database technologies.

• Experience with containerization technologies such as Docker.

• Strong understanding of cloud-native architecture, distributed systems, and softwaredesign principles.

• Demonstrated experience serving as a technical lead, architect, principal engineer, orequivalent senior technical role.

• Experience mentoring engineers and influencing technical direction across teams.

• Excellent written and verbal communication skills.

• Ability to work independently while collaborating effectively within cross-functionalteams.

• Experience with FHIR and healthcare interoperability standards.

• Experience designing and operating systems serving large public-facing user populations.

• Experience building event-driven architectures and large-scale data processing pipelines.

• Experience leading cloud migration, modernization, or platform transformationinitiatives.

• Experience with Infrastructure as Code solutions such as Terraform or CloudFormation.

• Experience with Identity and Access Management solutions such as Okta.

• Experience with observability and log analysis tools such as Splunk.

• Experience working in Agile software development environments.

• Experience supporting high-volume, highly available cloud-native applications.

• Experience with complex salesforce integrations with a specific focus on overallarchitecture in a healthcare setting.

• Experience with machine learning tools for developing and maintaining complexlanguage model.

ICF is a mission-driven company filled with people who care deeply about improving the livesof others and making the world a better place. Our core values include Embracing Difference; weseek candidates who are passionate about building a culture that encourages, embraces, and hiresdimensions of difference., ICF is a global advisory and technology services provider, but we're not your typical consultants. We combine unmatched expertise with cutting-edge technology to help clients solve their most complex challenges, navigate change, and shape the future. We can only solve the world's toughest challenges by building a workplace that allows everyone to thrive. We are an equal opportunity employer . 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 policy. We will consider for employment qualified applicants with arrest and conviction records., At ICF, we are committed to ensuring a fair interview process for all candidates based on their own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) tools to generate or assist with responses during interviews (whether in-person or virtual) is not permitted . This policy is in place to maintain the integrity and authenticity of the interview process.