NO 3RD PARTY FIRM / C2C CANDIDATES. DO NOT CALL / EMAIL TO ASK. AND NO, I CANNOT HIRE YOUR CONSULTANTS ON MY W2. WE PREFER FULLY ONSITE CANDIDATES. HOWEVER, FOR THE RIGHT CANDIDATE (AFTER 2-4 WEEKS OF ONSITE ONBOARDING), WE MAY BE FLEXIBLE TO ACCOMMODATE HYBRID ONSITE. THOUGH YOU WOULD STILL HAVE TO BE FULLY ONSITE DURING DEPLOYMENTS. THIS IS A CONTRACT TO HIRE ROLE PENDING MUTUAL FIT / PERFORMANCE. KORE1, a nationwide provider of staffing and recruiting solutions, has an immediate opening for a Full Stack Engineer : NodeJS, NextJS, APIs (REST / web hooks & GraphQL), + Mongo; AWS a + Position Overview : We are seeking a Full-Stack Engineer to design, develop, and maintain secure, scalable applications and integrations. You will play a key role in building a centralized API integration platform that connects internal systems, partner networks, e-commerce platforms, payment processors, and logistics providers. This role requires strong full-stack development skills. Key Responsibilities :
- Develop and maintain full-stack applications using Next.js, Node.js, and MongoDB.
- Contribute towards building and maintaining a centralized API gateway to unify internal and partner integrations.
- Implement GraphQL for internal applications and REST / webhooks for partner / vendor-facing APIs.
- Develop and manage standardized vendor and partner connectors (healthcare networks, e-commerce platforms, payment processors, logistics providers).
- Help ensure role-based access control (RBAC) , authentication, and tenant enforcement across all APIs.
- Deploy and maintain applications and integration services on AWS Cloud (EC2, S3, Lambda, etc.).
- Collaborate with product, design, and backend teams to deliver compliant, high-quality features.
- Assist in maintaining HIPAA compliance in all applications and integrations.
Required Skills & Qualifications
5+ years of professional full-stack development experience.Strong proficiency with Next.js, Node.js, and MongoDB.Expertise with GraphQL (Apollo) for internal services and REST / webhooks for external integrations.Strong problem-solving skills and ability to work independentlyPreferred Qualifications :
Bachelor's degree, preferably in Computer Science , Engineering, or related field.Experience in healthcare, pharmacy, or health tech environments.Understanding of PHI data handling, healthcare interoperability, and HIPAA compliance is helpful.Background integrating with e-commerce platforms and payment gateways.Experience building API gateways and integration platforms.Prior work building multi-tenant, RBAC-secured API platforms.Knowledge of authentication and authorization standards (OAuth, JWT).Hands-on experience with AWS deployment and cloud scaling strategies.Experience in fast-paced or startup environments.Bilingual in Spanish is a plusCompensation depends on experience but is typically $60-70 / hr.