Full Stack Developer - AI

OverviewLocation: Barcelona, Spain (Hybrid)Contract: PermanentStart: Immediate / ASAP preferredWhiteshield combines artificial intelligence with economic expertise to solve real policy challenges. Our AI Economics unit transforms complex data into actionable insights that shape how governments and businesses design policies, manage resources, and plan for growth.As a Full-Stack Developer in Whiteshield's AI Economics Unit, you will build and scale modern, data-intensive web applications that power our policy advisory products and decision-support platforms. You will deliver end-to-end features across the stack, shipping Next.js/React front ends, Python (FastAPI) APIs, and PostgreSQL data models, while collaborating closely with economists, data scientists, and product teams to translate complex policy questions into intuitive, production-grade software.This role suits an engineer who is comfortable owning features from design through deployment, has strong product judgment, and cares about performance, reliability, and clean architecture. Familiarity with .NET/C# is appreciated, particularly for middleware and enterprise integration scenarios.Whiteshield's AI Economics Unit sits at the intersection of economic policy, data engineering, and applied AI. We design and deploy tools that help public-sector leaders understand economic systems, monitor outcomes, allocate budgets, and simulate policy scenarios using advanced analytics and machine learning.ResponsibilitiesOwn end-to-end feature delivery from technical design through implementation, testing, deployment, and monitoringBuild high-quality front ends using Next.js and React, delivering responsive, accessible, and maintainable UI componentsDesign and implement backend services using Python and FastAPI, including RESTful APIs, validation, and performance optimizationModel, query, and optimize relational data layers in PostgreSQL, including schemas, indexing, migrations, and query tuningWork within a container-first development workflow, building and running services with Docker as a defaultCollaborate with cross-functional teams to translate policy and analytics needs into robust technical solutionsImplement authentication and authorization patterns such as OAuth2/JWT, role-based access, and audit-friendly loggingContribute to integration and middleware patterns; .NET/C# experience is a plus for service orchestration and interoperabilityMaintain strong engineering standards across code review, documentation, automated testing, and release hygieneBuild and operate CI/CD workflows using Azure DevOps, with familiarity expected for pipelines, artifacts, and release processesRequirements2 to 5 years of professional experience delivering full-stack web applications in production environmentsStrong proficiency with React and Next.js, including modern routing patterns, component design, and state managementStrong backend development skills with Python, ideally using FastAPI or equivalent frameworksSolid experience with SQL and relational databases, particularly PostgreSQLHands-on experience with Docker for local development and deployment workflowsWorking familiarity with Azure DevOps and DevOps pipelines, including CI/CD concepts and practical usageStrong analytical mindset and attention to detail across security, performance, and UXFluency in English; Spanish and Arabic are assetsNice to have.NET / C# experience, especially for middleware, integration services, and enterprise deploymentsExperience with cloud environments such as Azure or GCPExperience with observability tooling, including structured logging, metrics, and tracingFamiliarity with data engineering practices such as ETL/ELT workflows and analytics-ready schemasExposure to integrating AI/LLM capabilities into products, including secure API usage and retrieval/embedding patternsExperience implementing UI from Figma and using modern CSS approaches such as TailwindCSSBenefitsEqual Opportunity and Inclusion: We are committed to an inclusive workplace where diverse perspectives are valued.Impact at Scale: Build products that support high-stakes public-sector decision-making and economic policy delivery.High Ownership Environment: Take meaningful responsibility in a fast-moving unit with strong engineering standards.Hybrid Flexibility: A working model designed to support sustainable delivery and high performance.Growth and Recognition: We support development through mentorship, challenging work, and clear progression opportunities.Submit your CV and, if available, links to relevant work such as GitHub or shipped products. Shortlisted candidates will complete a structured technical interview focused on full-stack delivery, architecture judgment, and practical problem-solving.#J-18808-Ljbffr