Job Title: Senior Full-Stack Engineer

Company Name: F3 Intelligence

Job Details: $180k-$210k/yrRemoteFull,Time,,Contract

Job Url: https://hiring.cafe/viewjob/yx3o4qkjoh019rxj

Job Description: Posted 1w agoSenior Full-Stack Engineer@ F3 IntelligenceView All JobsWebsiteUnited States$180k-$210k/yrRemoteFull Time, ContractResponsibilities:Design backend, Build frontend, Integrate dataRequirements Summary:Senior full-stack engineer with Python backend, REST APIs, React frontend, AWS, and federal clearance experience.Technical Tools Mentioned:Python, REST APIs, React, AWS, CI/CD
The Senior Full-Stack Engineer designs, builds, and maintains internal applications and platforms that support F3 Intelligence’s federal operations. This role requires strong hands-on experience across backend services, APIs, and modern web frontends, with an emphasis on reliability, correctness, and secure handling of sensitive data rather than consumer-grade UI polish.      Description                      Duties & ResponsibilitiesDesign, build, and maintain full-stack applications supporting internal intelligence workflows.Develop backend services and APIs using Python to integrate external data sources into internal tools.Build and maintain frontend components using modern web frameworks (e.g., React or equivalent) to support analyst-facing interfaces.Implement data ingestion, validation, and normalization logic for records-based intelligence workflows.Collaborate with platform and intelligence teams to translate operational requirements into technical solutions.Ensure applications are secure, reliable, and compliant with internal standards for handling sensitive PII.Troubleshoot and resolve application issues across frontend, backend, and integration layers.Write clear, maintainable code and documentation aligned with established engineering standards.Participate in code reviews and contribute to continuous improvement of development practices.Operate fully remotely while maintaining availability during core business hours (2:00 AM – 5:00 PM Eastern).This is currently a 2 year contract, but expected to be extended.Required QualificationsSignificant experience as a Full-Stack Engineer or Software Engineer building production systems.Strong backend development experience using Python.Hands-on experience designing and consuming RESTful APIs.Experience building and maintaining modern web frontends (e.g., React, Vue, or similar).Experience working in cloud environments (AWS or equivalent).Demonstrated ability to work independently with minimal supervision.U.S. citizenship is required.Ability to successfully undergo and maintain a federal Public Trust background investigation.Strong problem-solving skills and attention to detail.Desired Skills & ExperienceExperience integrating third-party or proprietary data providers into internal applications.Familiarity with AWS services (e.g., Lambda, EC2, S3, API Gateway).Experience with CI/CD pipelines and deployment automation.Understanding of secure data handling, access controls, and audit logging.Experience supporting internal tools, analytics platforms, or intelligence-related applications.Prior experience in federal or government contracting environments.Benefits & Work EnvironmentFully remote position with defined core collaboration hours.Competitive salary and benefits package.Health, dental, and vision insurance with employer contributions.401(k) retirement plan with employer matching.Paid time off, sick leave, federal holidays, and parental leave.Company-provided equipment and tools to support remote work.Opportunity to work on mission-critical systems supporting federal programs.                  About the Company                     F3 Intelligence is a leading investigations and intelligence firm specializing in advanced targeting, data validation, and operational support for complex cases. Our team delivers high-volume, high-accuracy intelligence packages while maintaining strict compliance with legal and ethical standards. We combine cutting-edge methodologies like the F3EA targeting cycle with real-world expertise to support law enforcement, private investigations, and corporate security needs. At F3, we value precision, integrity, and innovation, offering opportunities for professionals to work on impactful projects that make a difference.