Senior Platform & Software Engineer

InteractiveAI; Madrid; Presencial; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

A progressive AI solutions startup in Madrid is seeking a Senior Platform & Software Engineer to design and maintain microservices and cloud infrastructure. This role requires 5+ years of relevant experience, with strong expertise in Kubernetes, Terraform, and modern programming languages like TypeScript and React. The company offers a competitive salary, flexible working conditions, and a culture that rewards innovation and collaboration.

Servicios

Competitive base salary

Performance bonuses

Future equity opportunity

Private health insurance

25 days of paid time off

Formación

• 5+ years of experience in platform, backend, or full-stack engineering.
• Expertise with Infrastructure as Code (IaC) tools like Terraform.
• Strong proficiency with data stores such as Postgres, ClickHouse, and Redis.
• Advanced skills in TypeScript and React.
• Solid understanding of CI/CD pipelines and modern release management.

Responsabilidades

• Design, implement, and maintain microservices and user-facing components.
• Manage and optimize Kubernetes clusters.
• Build and optimize data ingestion and warehousing.
• Develop and maintain high-performance APIs.
• Implement robust monitoring and alerting.

Conocimientos

Platform & Application Development

Infrastructure as Code (IaC)

Container Orchestration

Data Engineering

API Design

System Reliability Engineering (SRE)

Full-Stack Ownership

Mentorship & Best Practices

Herramientas

Terraform

Kubernetes

Docker

Postgres

ClickHouse

Redis

TypeScript

React

Descripción del empleo

Overview

Join to apply for the Senior Platform & Software Engineer role at InteractiveAI

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.

What You’ll Do

• Platform & Application Development : Design, implement, and maintain the microservices and user-facing components that power our platform.
• Infrastructure as Code (IaC) : Architect and maintain our cloud infrastructure using Terraform to define networking, compute, and storage resources on GCP, AWS, or Azure.
• Container Orchestration : Manage and optimize Kubernetes clusters, ensuring high availability, smooth scaling, and efficient rolling updates.
• Data Engineering : Build and optimize data ingestion, warehousing, and caching layers with technologies like Postgres, ClickHouse, and Redis.
• API Design : Develop and maintain high-performance RESTful and GraphQL APIs for internal and external clients, ensuring seamless integrations.
• System Reliability Engineering (SRE) : Implement robust monitoring, alerting, and logging to proactively manage system health and ensure reliability.
• Full-Stack Ownership : Take full ownership of features from conception through to production, addressing both backend and frontend challenges as needed.
• Mentorship & Best Practices : Drive technical excellence and mentor junior engineers, fostering a culture of high standards and continuous improvement.

What We’re Looking For

• 5+ years of professional experience in a platform, backend, or full-stack engineering role, with a strong focus on building and deploying scalable, production-ready systems.
• Expertise with Infrastructure as Code (IaC) tools like Terraform .
• Deep practical experience with Kubernetes and container technologies like Docker .
• Strong proficiency with data stores such as Postgres, ClickHouse , and Redis . This includes schema design, query optimization, and performance tuning.
• Advanced skills in TypeScript and React for building intuitive user interfaces.
• Proven ability to deploy and manage infrastructure on major cloud platforms ( GCP, AWS, or Azure ).
• Solid understanding of CI / CD pipelines, automated testing, and modern release management strategies.
• Strong communication skills in English; able to articulate complex technical decisions clearly and effectively.

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.

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.

What You’ll Get

• Competitive base salary + performance bonuses
• Future equity opportunity for high performers
• Private health insurance
• Flexible work setup + travel when needed (ideally Hybrid in Lisbon or Madrid)
• 25 days of holidays / paid time off (excluding local public holidays)

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 forming a team of builders — people who care about impact, quality, and growth. If that’s you, let’s talk —

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