Full-Stack Developer

Permanent employee, Full-time · Lisbon, Madrid

60,000 - 100,000 € per year

What You’ll Do

As a Full Stack Developer at Interactive AI, you will own the end-to-end delivery of core platform features—from low-level infrastructure code to polished user interfaces. You’ll collaborate with product, data science, and DevOps to build scalable, secure, and maintainable solutions in a high-velocity environment.

Design & Develop: Architect, implement, and maintain microservices and frontend components for our AI-agent management platform.
Cloud Deployment: Deploy and manage containerized applications on GCP, AWS, or Azure, ensuring high availability and cost-efficiency.
Infrastructure as Code: Define and maintain Terraform modules for networking, compute, and storage resources.
Data Layer: Build and optimize data ingestion, warehousing, and caching layers using Postgres, ClickHouse, and Redis.
Container Orchestration: Configure and maintain Kubernetes clusters, ensuring smooth scaling and rolling updates.
APIs & Integrations: Design RESTful and GraphQL APIs for internal and external clients; integrate with third-party services.
Frontend proficiency: Craft responsive, accessible UIs with React, TypeScript, and Tailwind CSS.
Performance & Reliability: Implement monitoring, alerting, and logging to maintain system health and proactively address issues.

Ownership & Collaboration: Take full ownership of features from conception through production; mentor junior engineers and drive best practices.

What We’re Looking For

5+ years professional experience building and deploying full-stack web applications in production.
Proficiency with Docker and containers; hands-on experience with Kubernetes.
Strong experience with Redis, ClickHouse, and Postgres (schema design, query optimization).
Advanced skills in TypeScript and React; familiarity with Tailwind CSS.
Deep understanding of Terraform and IaC best practices.
Expertise designing and consuming RESTful and/or GraphQL APIs.
Proven ability to deploy and manage infrastructure on GCP, AWS, or Azure.
Solid grasp of CI/CD pipelines, automated testing, and release management.
Strong communication skills in English; able to articulate technical decisions clearly.

Nice-to-Haves

Experience with machine learning infrastructure (e.g., Kubernetes operators for model serving).
Familiarity with enterprise security and compliance (IAM, VPC, data encryption).
Contributions to open-source projects or active participation in tech communities.

What You’ll Get

Competitive base salary (up to €100,000/yr) + performance bonuses
Future equity opportunity for high performers
Health & wellness allowances
Flexible work setup + travel when needed (ideally Hybrid in Lisbon or Madrid)
Private health insurance
25 days of holidays/paid time off (excluding local public holidays)

Who You Are

Proactive & Resourceful: You take initiative to identify gaps and drive solutions without waiting for instructions.
Accountable & High-Ownership: You treat our codebase and infrastructure as your own, and you honor commitments.
Entrepreneurial Mindset: You thrive in ambiguity, embrace rapid change, and deliver in a high-paced startup setting.
Team Player: You collaborate effectively across disciplines, give and receive feedback constructively, and mentor others.

Interview Process

We keep our process focused and respectful of your time. Most candidates complete it in 2–3 weeks. Here’s what to expect:

Intro Call – 30 minutes with our team to align on fit and expectations
Take-Home Challenge – A practical task based on real-world problems
Technical Interview – Deep dive into the challenge, technical experience, and DevOps engineering
Cultural and Values Interview – Discussion on motivation, cultural and value alignment
Offer – Final conversation and offer

We’re building a team of builders — people who care about impact, quality, and growth. If that’s you, let’s talk — careers@interactive.ai

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About us

InteractiveAI is a fast-growing startup on a mission to empower enterprises with fully managed AI agent lifecycles.
We are building the next generation of enterprise-AI solutions, delivering an end-to-end Agentic IDE alongside an extensible ecosystem of agentic resources and solutions.

Our platform allows companies to orchestrate, monitor, evaluate, deploy and improve AI agents—and soon fine-tune and own their own models.

We value autonomy, speed, and innovation, and we’re building a world-class team to match. Our squads are lean, focused, and execution-driven.

If you thrive in high-performance environments and want to be part of a company that rewards transformational outcomes, this is for you.

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We are looking forward to hearing from you!

Thank you for your interest in InteractiveAI. Please fill out the following short form. Should you have difficulties with the upload of your data, please send an email to info@interactive.ai