Full-Stack Software Engineer em Lisboa, Portugal

MWDN is a global IT outstaffing company with 23+ years of experience that connects exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. We offer opportunities to work on international products in a stable and professional environment.

Here’s what you can expect when you join MWDN:

• Security: We carefully vet our clients to minimize risks and ensure reliability and timely payments - no fraud or unpleasant surprises.
• Career support: If a project isn’t the right fit, we support you and actively help find new opportunities that match your skills and career goals.
• Legal assistance: We provide guidance on legal matters, including opening and managing your independent contractor or sole proprietorship status, taxes, and related processes.
• Professional development: We offer English courses and professional growth opportunities, as well as team-building events.

Why choose us? MWDN is ranked among the top 5 IT employers in our region according to DOU. We take pride in our transparency and strong commitment to our team. Curious to learn more? See what our employees say about working with us on  DOU .

We are a physician-led, value-based healthcare company improving care coordination and engagement for people living with sickle cell disease and other underserved populations

The Role

We are seeking a hands-on Senior Full-Stack Software Engineer to help stabilize, develop, and scale its healthcare platform.

The role is intentionally balanced:

• 50% Full-Stack Product Engineering — patient and care-management applications, workflows, UI/UX, APIs, and feature delivery.

• 50% Backend, Cloud & Integration Engineering — AWS, data, healthcare interoperability, DevOps, security, and reliability.

The engineer should be comfortable owning functionality end to end: UI → API → database → cloud →monitoring → production support.

Reports to the Chief Technology Officer and works closely with Product, Clinical, Operations, and external partners

• 5+ years of production software-engineering experience.

• Strong React/TypeScript/JavaScript front-end experience.

• Strong https://jobeax.com/link/XoOr05ZMdUyNwOHw Python, or comparable backend experience.

• Strong REST API, SQL, and PostgreSQL experience.

• Hands-on AWS and Docker/container experience.

• Experience with CI/CD and production application support.

• Experience with authentication, authorization, security, asynchronous processing, and failure handling.

• Ability to troubleshoot across the full stack.

Preferred Experience

Healthcare or regulated-environment experience, particularly with:

HIPAA • PHI • FHIR R4/US Core • HL7/ADT • HIE/QHIN • payer integrations • claims/eligibility data •ECS/Fargate • Aurora • S3/SQS/EventBridge • CloudWatch • IAM/KMS/Secrets Manager • GitHub Actions • Infrastructure as Code • clinical workflows • value-based care • Amazon Bedrock

Key Responsibilities

• Build and maintain patient-facing and care-management applications using React/TypeScript or similar technologies.

• Develop backend services, APIs, asynchronous workflows, and PostgreSQL-based applications.

• Improve enrollment, care plans, assessments, clinical workflows, communications, dashboards, and administrative capabilities.

• Build integrations with payers, HIEs, QHINs, and healthcare partners using REST APIs, FHIR R4, HL7/ADT, C-CDA, SFTP, and file-based interfaces.

• Implement data validation, patient matching, reconciliation, provenance, duplicate handling, and exception workflows.

• Build and operate AWS services including ECS/Fargate, Aurora PostgreSQL, S3, SQS, EventBridge, CloudWatch, IAM, KMS, and Secrets Manager.

• Strengthen CI/CD, automated testing, environment separation, deployment, rollback, monitoring, backup, and recovery.

• Implement HIPAA-appropriate security, role-based access, PHI protection, audit logging, and secrets management.

• Support governed AI-enabled workflows while maintaining appropriate human clinical oversight.

• Build reusable platform and integration capabilities that support additional payers, states, and clinical programs without creating separate codebases

First 90-Day Priorities

• Stabilize production patient and care-management workflows.

• Resolve high-priority application and usability defects.

• Strengthen authentication, authorization, and PHI handling.

• Improve CI/CD, automated testing, deployment, and rollback.

• Complete development, test/UAT, and production separation.

• Expand application and infrastructure monitoring.

• Improve payer/HIE ingestion, error handling, and reconciliation.

Make long-running workflows resilient and observable.

• Reduce dependence on undocumented or single-person operational knowledge

• People-first management with minimal bureaucracy
• A friendly company culture, proven by employees who choose to return
• Flexible working hours
• 29 days of PTO (18 working days per year pluse all national holidays)
• 10 paid recovery days
• Full financial and legal support for independent contractors
• Free English classes, with native speakers or Ukrainian teachers
• Dedicated HR support

REQUIREMENTS