Full-Stack Engineer, AI Studio

Location: Lisbon, Portugal

Salary: €39,972.95–€54,081.05 per year

Company

hirify.global is a healthcare and biotechnology company using innovation and technology to develop solutions that serve patients.

What you will do

• Own defined production components and vertical slices within enterprise AI applications and automation products.
• Define component boundaries, acceptance criteria, non-functional requirements, support expectations, and delivery estimates with product, UX, business, architecture, and engineering partners.
• Design and implement accessible, responsive UI components using modern JavaScript or TypeScript frameworks.
• Build APIs, services, background jobs, data models, integrations, queues, events, and versioned contracts using Python, Node.js, Java, C#, SQL, and NoSQL technologies.
• Integrate approved model inference, LLMs, embeddings, vector search, RAG, structured outputs, agent tools, BI, and workflow automation with validation and human control.
• Implement layered testing, cloud delivery, CI/CD, monitoring, rollback, incident practices, security, Responsible AI, accessibility, traceability, and GxP controls.

Requirements

• Master’s degree with 4–6 years of relevant experience, bachelor’s degree with 6–8 years, or diploma with 9–10 years.
• Hands-on proficiency in JavaScript or TypeScript, at least one backend language such as Python, Java, C#, or Node.js, and SQL.
• Experience owning at least one production frontend, backend, API, data, integration, automation, or AI-enabled component.
• Ability to design, build, release, monitor, diagnose, and maintain a defined production slice with limited guidance.
• Knowledge of APIs, authentication and authorization, distributed systems, persistence, testing, observability, security, privacy, and lifecycle operations.
• Strong analytical, troubleshooting, communication, collaboration, and technical judgment skills, including the ability to guide junior engineers.

Nice to have

• Experience with Next.js, design systems, GraphQL, WebSocket, Kafka, durable workflows, stream processing, API gateways, or vector stores.
• Experience with scikit-learn, PyTorch, TensorFlow, Hugging Face, model-serving APIs, RAG evaluation, agent orchestration, document intelligence, computer vision, BI, or automation.
• Experience with AWS, Databricks, Kubernetes, serverless services, infrastructure as code, OpenTelemetry, Prometheus, Grafana, Splunk, CloudWatch, or feature management.
• Background in healthcare, life sciences, GxP, validated systems, or another regulated environment.

Culture & Benefits

• Work within an AI and Data Science organization focused on responsible, reusable, and measurable AI products.
• Collaborate with product, UX, business, architecture, ML, platform, security, quality, and operations teams.
• Join a Lisbon-based capability center with more than 500 employees representing over 40 nationalities.
• Work in an environment recognized among Portugal’s Best Workplaces.