Backend AI Engineer

At Shakers , we're looking for a Backend AI Engineer to take our AI engineering efforts to the next level

1. Team and Role

If you have strong backend software engineering experience, follow excellent development practices, understand hexagonal architecture and Domain-Driven Design (DDD), and have a keen interest in exploring or deepening your experience with Artificial Intelligence, we'd love to meet you!

This role offers an exciting opportunity to join a fast-growing tech startup, collaborating closely with cross-functional teams (product, business, and engineering). We're a small, agile, committed team where you'll quickly learn and directly contribute to developing AI applications with real-world impact. If you're looking for interesting technical challenges, scalability, and you're excited about seeing your work reach real users, this is your place!

We’re looking for someone passionate about building robust and scalable backend systems, interested in learning about integrating and deploying AI solutions efficiently, reliably, and maintainability.

2. What you´ll be doing

Your day-to-day as an Backend AI Engineer

As a BackendAI Engineer, you'll work closely with one of our AI-focused squads, primarily doing :

• Backend Development in Python : Design and implement robust backend systems following best practices (version control, unit tests, documentation).
• Hexagonal Architecture and Domain-Driven Design : Apply these methodologies to build flexible, scalable, and maintainable systems.
• Integration with AI APIs : Connect backend solutions to external services like OpenAI, Anthropic, Gemini AI, etc.
• Conversational Systems Development : Technically implement chatbots and virtual assistants integrated into our products.
• Technical Implementation of RAG Systems (Retrieval Augmented Generation) : Develop backend components to generate contextualized responses using generative models.
• Technical and Cost Optimization : Continuously improve performance, scalability, and cost-efficiency of AI backend systems.
• Performance and Quality Evaluation : Implement technical testing and QA processes to ensure code quality and system stability.
• Cross-Functional Collaboration : Actively collaborate with product and engineering teams to align solutions with strategic goals.

3. What we´re looking for

We need someone who...

It’s a strong plus if you have experience in...

4. What's in it for you?

Compensation

The salary range for this position is between 26.000€ and 46.000€ OTE (on target earnings) gross annual salary.

The salary consists of :

Why you´ll love working at Shakers

At the office...

5. Our recruitment process

As a startup, we are very agile and we like to see results quickly, which is why prioritize efficiency in our recruitment process.

Our goal is to have you onboard this May, so you can hit the ground running and make an impact from day one!

The Road to Joining Our Team

More about Shakers

At Shakers we imagine, design, and create the next-generation way of working.

Our vision is to be the leading community and platform in the world that helps companies work with freelance teams through our technology.

We are a 70-person, fast growing startup based in Madrid. It's the place for you if you're looking for a high-performance, very dynamic & technological environment surrounded by ambitious people !

Our DNA

At Shakers, we are obsessed with our values . Half of our bonuses are performance-based, and the other half come from embodying what it means to be a true Shaker !

WINNING TEAM

We all feel like part of a winning team—one that pushes boundaries, challenges the status quo, and moves the needle! We set ambitious goals and seek people who are driven to achieve them.

F1C10

We’re building an environment where fear doesn’t hold us back. Experimentation and learning from failure are part of our DNA. Fail fast, grow faster. Fail 1X, chase 10X. We value risk-takers who aren’t afraid to go big!

STAY HUMBLE

We embrace a beginner’s mindset—always evolving, always learning, and always finding new solutions. At Shakers, humility combined with ambition fuels our success , and when we blend the two, the results are extraordinary!

A huge thanks for being interested in Shakers, we'd love to see you soon.

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