Hybrid Senior Fullstack Developer

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• Job title: Senior Fullstack Developer
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, Azure, Docker, GraphQL, Java, JavaScript, Jenkins, Jest, JUnit, Kafka, Kubernetes, Material UI, Microservices, Mockito, MongoDB, Next.js, Postgres, React, Redux, Spring, Spring Boot, SpringBoot, TypeScript, Webpack
• Location requirements: Hybrid, Lisbon, Portugal

About the role

• Fullstack Developer designing and developing backend services in Java and frontend in React for DSV's Global IT. Collaborating across teams to deliver high-quality supply chain solutions.

Responsibilities

• Build (end‑to‑end) Design and develop backend services in Java (21+) with Spring Boot 3 (REST/OpenAPI), including data access, integration with vendor APIs, caching, and rate‑limiting.
• Implement event‑driven patterns with Kafka (KStreams/KConnect) where they add clear value.
• Model and optimize data in PostgreSQL and MongoDB.
• Create responsive, WCAG‑aware frontends in React + TypeScript using semantic HTML/CSS and Material UI.
• Use Redux Toolkit + RTK Query (preferred) for client‑side state/data; Vite/Webpack for build and dev experience.
• Keep documentation clear and current (APIs, design decisions, runbooks).
• Automate tests across the stack: Jest/React Testing Library and Playwright on the frontend; JUnit/Mockito/Testcontainers on the backend; Gatling for performance when needed.
• Embed checks into CI/CD (Jenkins / Azure DevOps), containerize with Docker, and deploy on Kubernetes.
• Instrument logs, metrics, and traces; define actionable alerts and SLOs.
• Apply secure coding and Zero‑Trust practices; implement OIDC/OAuth2 authentication and RBAC authorization; support audit logging and data‑privacy controls.
• Partner with Product, Design, Architects, Tech Leads, QA, and other teams to refine requirements and shift‑left on testability and UX.
• Participate in code reviews and developer communities; mentor junior engineers.
• Support L3 investigations (~10%) and drive preventive measures.

Requirements

• 6–10+ years building production systems with React/TypeScript and Java/Spring Boot, including end‑to‑end ownership of complex features.
• Strong microservices and API design (REST/OpenAPI), domain modeling, and hands‑on Kafka experience.
• Proven testing strategy across the stack, CI/CD integration, and a pragmatic approach to performance & reliability.
• Practical WCAG accessibility know‑how (semantic HTML, keyboard navigation, focus management).
• Clear, business‑aware communication; mentoring mindset; comfortable collaborating across disciplines.
• Nice‑to‑have: Next.js/SSR, Storybook/design systems, GraphQL, Azure/AWS, monorepos/micro‑frontends.

Benefits

• Permanent contract
• Private medical care
• English courses - financial or co-financed by company
• Food allowance
• Work schedule 35h/week
• Hybrid work
• Comprehensive onboarding program
• Buddy
• Good access to public transports