FullStack developer
Join us as a Senior Full-Stack Developer and help shape scalable digital platforms and AI-powered solutions in a collaborative, modern engineering environment
📢 Job Opportunity: Senior Full‑Stack Developer (Lisbon, Hybrid)
About the Department — Digital Services Platforms
Our department is responsible for building and maintaining the digital foundations that power seamless online experiences across the organization. We ensure platforms are reliable, scalable, secure, and continuously evolving through modern engineering practices.
Key Focus Areas:
Platform Governance: Stability, security, and optimization of digital systems.
Performance Monitoring: Use of tools such as Core Web Vitals to improve user experience.
Cross‑Functional Collaboration: Working closely with business, product, and technical teams.
Continuous Improvement: Automation, agile methodologies, and data‑driven enhancements.
We play a key role in the company’s digital transformation, delivering user‑centric, high‑quality, future‑ready solutions.
Role: Senior Full‑Stack Developer
What You Will Do
Design, develop, and maintain backend components for websites and digital platforms.
Build, maintain, and document RESTful APIs and legacy services (including WCF when needed).
Design, query, and optimize SQL Server databases.
Contribute to AI architecture and strategy, including:
AI agents design & lifecycle
Orchestration of AI workflows
Deployment of AI‑powered features into production
Lead or co-lead AI initiatives from PoC to scalable solutions.
Collaborate with frontend, mobile, data, and product teams.
Promote best practices in code quality, testing, performance, and security.
Act as a technical reference and mentor within the team.
Required Experience & Skills
Backend & Microsoft Stack
5+ years with .NET / .NET Core.
Strong experience in backend architecture and web development.
SQL Server and ADO.NET.
REST API design and implementation.
Familiarity with Service‑Oriented Architecture (SOA).
Dependency injection (Castle Windsor is a plus).
DXP / CMS Platforms
Experience with enterprise DXP/CMS platforms, ideally:
Sitecore, Optimizely, Umbraco
Solid understanding of:
Content modelling
Headless & hybrid CMS architectures
Integrations between CMS/DXP, .NET backends, and React/Next.js frontends
Experience extending DXP platforms with:
Custom components and services
Personalization, experimentation, analytics
Composable and API‑first architectures
Cloud, DevOps & Quality
Experience building and integrating solutions on Microsoft Azure.
CI/CD pipeline knowledge.
Unit testing frameworks (xUnit, Rhino Mocks, etc.).
Website performance monitoring and optimization.
Frontend & Mobile
Experience with React and Next.js.
Experience in mobile development (native or cross‑platform).
AI & Data
Hands-on experience with Python for AI/ML development:
AI agents and orchestration frameworks
Prompt engineering, evaluation, fine-tuning
LangChain / LangGraph
RAG pipelines
Integration of Python-based AI services with .NET and Azure environments.
Ways of Working & Leadership
Experience with Agile (Scrum, Kanban).
Ability to mentor and support technical teams.
Strong collaboration across engineering, product, and data.
Autonomous, proactive, accountable, and a strong team player.
Location & Work Setup
Based in Lisbon, Portugal
Flexible hybrid model
- Departamento
- IT - Group
- Estado remoto
- Híbrido
- Tipo de emprego
- Tempo inteiro
Lisboa
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