Senior Backend Developer

Senior Backend Developer

The Senior Backend Developer plays a critical role in developing secure, scalable, and high-performing backend systems that support Allia's digital health platforms. Reporting to the Principal Engineer, this role focuses on building core services, APIs, and event-driven architecture to enable seamless user experiences and efficient data operations. The ideal candidate brings deep technical expertise, ownership mindset, and strong collaboration skills across product, frontend, and DevOps teams.

Design, build, and maintain backend APIs and microservices supporting Allia's platform ecosystem. Implement event-driven architectures enabling real-time processing and service decoupling. Integrate and optimize secure payment systems, preferably Stripe, for digital commerce workflows. Collaborate with Principal Engineering, frontend teams, and DevOps to align on architecture and system design.

Develop CI/CD pipelines and automated testing frameworks to ensure code quality and deployment reliability. Monitor performance, troubleshoot system bottlenecks, and improve backend resiliency. Participate in code reviews, architectural discussions, and provide mentorship to junior engineers. Maintain thorough technical documentation and uphold best practices in security, scalability, and code quality.

MSc in Software Engineering, Computer Science, or equivalent professional experience.

Minimum 5 years of backend development experience within complex, distributed systems.

Must be a resident and citizen of Portugal.

Strong proficiency in Node.js, Java, Kotlin, or Python with production experience in frameworks such as Spring Boot or FastAPI. Proven expertise in RESTful API and microservices architecture. Experience designing event-driven systems (Kafka, Pub/Sub, or equivalent). Hands-on experience with payment integrations (Stripe preferred). Advanced experience with SQL and NoSQL databases (PostgreSQL, MongoDB, Elasticsearch). Experience with Docker and Kubernetes for containerization and orchestration. Strong CI/CD experience (GitHub Actions, Jenkins, or equivalent). Solid understanding of Git workflows and automated testing frameworks.

Experience with Google Cloud, Looker, Vertex AI, UiPath, N8N, GitHub CI/CD, PostgreSQL, Docker, or Kubernetes. AWS experience is welcome; Google Cloud is preferred.

Salary Range: €55,000–€70,000 annually, depending on experience.

Comprehensive medical and dental coverage. Paid time off and flexible work environment. Professional development and advancement opportunities within Allia Health Group.

Ability to work from a shared office space in Madeira, remotely within Portugal, or from a Portuguese-time zone–aligned location. Flexibility to adjust portions of the workday to overlap with US CST.

Allia Health Group is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.