1 month ago
Rotterdam, NetherlandsMid Level
Responsibilities
- Own and maintain the full application stack for internal tools, including backend, database, authentication, access control, and frontend components.
- Design and implement SSO, SAML, Okta, multi-tenant data isolation, and role-based access controls.
- Create and maintain database schemas, migrations, row-level security policies, and RPC functions.
- Build and manage serverless backend functions for application logic and API integrations.
- Set up and maintain deployment pipelines and manage applications across development, UAT, and production environments.
- Build and maintain modern frontend applications using React, Vite, and TypeScript.
- Debug and resolve issues across the stack, including build errors, networking problems, misconfigured services, and 5xx errors.
- Collaborate with the AI/LLM team to integrate model outputs into applications.
- Own solutions through the full lifecycle from idea and build through operation and improvement.
Requirements
- At least 3 years of experience in software engineering, full-stack development, AI development, or platform development.
- Experience with modern JavaScript and TypeScript stacks, including React, Next.js, and Node.js, across frontend and backend development.
- Hands-on experience with Docker and self-hosted infrastructure rather than only managed cloud services.
- Knowledge of multi-tenant application patterns.
- Strong problem-solving skills and an ownership-oriented approach.
- Familiarity with backend-as-a-service platforms such as Supabase or Firebase is advantageous.
- Exposure to alternative JavaScript/TypeScript runtimes such as Deno or Bun is beneficial.
- Hands-on experience with LLM APIs such as OpenAI or Anthropic is desirable.
- Familiarity with SSE streaming, real-time data patterns, MarTech platforms, authentication systems, OAuth2, SAML, or SSO is desirable.
Benefits
- Hybrid work model with 2–3 days in the Rotterdam office and the remainder working from home.
- Fixed-term contract and full-time employment.
- 25 annual vacation days plus 3 Well-being Days.
- 2 Social Impact Days for volunteering.
- Learning and development opportunities, including personal and online training.
- International, inclusive work environment with team events and social activities.
- Competitive salary and secondary benefits.
Tech Stack
Categories
About Dentsu
Dentsu is a global advertising and marketing services group that plans and buys media, develops creative campaigns, and builds data- and technology-led customer experiences for brands. It earns revenue from agency fees and media services across a network that includes Carat, iProspect, and Merkle. Founded in 1901 and headquartered in Tokyo, Dentsu is publicly traded in Japan and serves clients across many sectors worldwide.