AI Full Stack Product Engineer

Location: Amsterdam (hybrid) (not remote only)

Employment type: full-time (40h/week)

Visa sponsorship: possible

Join us to build future-proof digital solutions

At Riverflex, we believe in creating impactful digital products that are lean, scalable, and human-centered. As an AI Full Stack Product Engineer, you’ll be a core member of our in-house engineering team, helping to develop high-performing software solutions that power business transformation across industries. You’ll work on client-facing products, internal tools, and prototypes that leverage modern web frameworks, cloud platforms, and data-driven architectures.

We’re looking for a curious, proactive engineer who thrives in agile environments and brings a user-first mindset to technical challenges. If you’re passionate about writing clean code, mentoring others, and delivering impact through technology, let’s talk.

The Role

You’ll play a pivotal role in the design, development, and delivery of digital products across the full stack, from front-end user interfaces to backend systems and cloud services. We’re looking for someone with hands-on experience implementing LLM APIs and developing RAG applications, including work with embeddings and vector search, agentic workflows and MCPs.

Responsibilities

• Design and develop scalable web applications using modern front-end and back-end technologies (React, Node.js, Python)

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• Take ownership of the full software development lifecycle, including architecture, development, testing, and deployment
• Design and implement agentic workflows and MCP-based integrations to extend LLM capabilities across products
• Write clean, well-documented, and testable code following best practices
• Collaborate with designers, product managers, and clients to shape features from concept to implementation
• Review code, mentor junior engineers, and contribute to improving engineering practices
• Integrate third-party APIs and services securely and efficiently
• Drive continuous delivery and DevOps improvements (CI/CD, cloud infra-as-code, automated testing)
• Contribute to technical documentation and team knowledge-sharing

Job requirements

Must-Haves

• 7+ years of professional experience in full-stack development
• Deep knowledge of modern front-end frameworks (React, Vue) and back-end technologies (Python, Node.js)
• Hands-on experience building agentic systems and working with MCPs, including tool/function integration, orchestration, and multi-step agent workflows
• Proficiency with RESTful APIs, microservices, and databases (PostgreSQL, MongoDB, etc.)
• Experience deploying to cloud environments (preferably AWS or GCP)
• Strong understanding of software architecture and design patterns
• Comfort working in Agile, cross-functional teams
• Strong communication and collaboration skills

Nice-to-Haves

• Experience with CI/CD pipelines, containerization (Docker, Kubernetes)

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• Familiarity with AI/ML model integration or data engineering workflows
• Interest in mentoring and growing engineering talent
• Passion for clean code, testing, and automation

What We Offer

• 25 days off per year plus closure between Christmas and New Year's.
• Flexible remote work from abroad options for up to 6 weeks per year.
• Hybrid setup: at least 2 days a week in-office, remaining days flexible/remote.
• A pension plan.
• Learning & Development budget, including full access to our learning platform.
• ClassPass membership to support well-being.
• Latest tech & tools, including home office budget and professional software subscriptions.
• Equity share scheme to give long-term team members ownership in Riverflex.