Senior AI Engineer (Generative AI & MLOps)

Plain Concepts; España; Híbrido; EUR 90.000 - 120.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Fully remote work (optional)

Flexible compensation (transport, meal

Medical and dental insurance (employee

Training budget and Microsoft certs

English lessons

Electricity and Internet stipend

Descripción de la vacante

Plain Concepts is hiring a Senior AI Engineer in Spain who will design, train, and deploy AI/ML solutions for international clients. You will lead projects, mentor engineers, and own end-to-end components from data processing to production systems.

Remote and office work options are available, with strong Agile practices and cross-functional collaboration. The role requires 7+ years in AI/ML, cloud experience (Azure), Python and SQL proficiency, and a solid background in NLP and Computer Vision.

Formación

• More than 7 years of experience in AI / Machine Learning / Data Science.
• Capable of leading projects independently and mentoring other engineers.
• Experience building an end-to-end software product with AI or ML components.
• Experience working with Azure or other cloud-based solutions.
• Strong skills in Python and SQL.
• Experience in testing as an essential part of development (unit, integration, etc.).
• Strong background in NLP and Computer Vision.
• Hands-on experience across the end-to-end ML lifecycle, from development to production deployment, including scalable ML pipelines.
• Experience with ML frameworks (TensorFlow, PyTorch) and MLOps tools.
• Experience using AI coding tools in real development workflows.
• Fluent English and Spanish (mandatory).

Responsabilidades

• Participating in the design and development of AI solutions for challenging projects.
• Building production-level ML/AI solutions with solid software engineering and ML/AI principles.
• MLOps: automated deployment and monitoring (models and infrastructure).
• Developing and training ML/AI models.
• Putting AI models into production including parallelizing, optimizing, tuning and testing for production deployment.

Conocimientos

Python

NLP

Computer Vision

ML lifecycle

MLOps

TensorFlow

PyTorch

GitHub Copilot

English

Spanish

Team leadership

Educación

Bachelor's degree in Computer Science or related field

Herramientas

Azure

CI/CD

Docker

REST APIs

Descripción del empleo

Titles? Meh, we’re not big on them, but let’s call this one Data Scientist like the other colleagues at the team

As part of our international AI/ML squad, you’ll craft tailor-made solutions that wow our clients. We’re hunting for a passionate Senior AI Engineer with a solid technical background. Your mission? Train, deploy, and put groundbreaking developments into action — and that’s just the beginning.

Here’s the deal:

• You’ll tackle the unique challenges of AI-powered software alongside a team of brilliant minds.
• You’ll dive into cutting-edge projects using the latest tech to push boundaries and make an impact.
• Whether you prefer working from home or vibing with us at our offices, the choice is yours.
• AGILE isn’t just a buzzword here — it’s how we roll. Multidisciplinary teams? Check. Full ownership of projects? Double check.

Ready to take on projects that matter, with a team that’s as passionate as you are? Let’s make it happen!

You will be responsible for:

• Participating in the design and development of AI solutions for challenging projects.
• Building production level ML/AI solutions, with solid software engineering and ML/AI principles.
• MLOps Automated deployment and monitoring (models and infrastructure).
• Developing and training ML/AI models.
• Putting AI models into production. This means parallelizing, optimizing, tuning, testing the models to deploy in a production environment.

Requirements:

• More than 7 years of experience in AI / Machine Learning / Data Science.
• Capable of leading projects independently and mentoring other engineers.
• Experience building an “end-to-end software product” which has AI or Machine Learning components.
• Experience working with Azure or other cloud-based solution.
• Strong skills in Python and reasonable SQL understanding.
• Experience in testing as essential part of development (unit, integration, etc.).
• Strong background in NLP and Computer Vision.
• Hands‑on experience across the end‑to‑end ML lifecycle, from development to production deployment, including designing and building scalable ML pipelines.
• Experience with ML frameworks (TensorFlow, Pytorch) and MLOps tools (MLOps experience is very valuable for the team).
• Experience using GitHub Copilot or similar AI coding tools in real development workflows.
• Constant drive to learn and ability to learn quickly.Strong team player mindset.
• Fluent english and spanish (mandatory).

Very nice to have:

• Experience with Big Data tools and cloud platforms (especially Azure).
• RESTful API development and DevOps practices (docker, CI/CD).
• Familiarity with recommendation systems, unsupervised learning, and ranking models.
• Cognitive services, Agentic AI...
• Knowledge of TensorFlow Lite, TensorFlow Serving, gRPC, and unit testing.
• Strong object‑oriented programming skills.
• Salary determined by the market and your experience
• Fully remote work (optional)
• Flexible compensation (restaurant, transport, and childcare)
• Medical and dental insurance (completely free of charge for the employee)
• Individual budget for training or equipment and free Microsoft certifications
• English lessons
• Monthly bonus for electricity and Internet expenses at home
• Discount on gym plan and sports activities
• Plain Camp (annual team-building event)
• Extra perks: events attendance and speakers, welcome pack, baby basket, Christmas basket, discount portal for employees The pleasure of always working with the latest technological tools!

Will you let us know you better?

The selection process: Simple, just 3 steps.

• Phone screen
• 2 interviews with the team

What is Plain Concepts?

Plain Concepts is a global company of over 700 people passionate about technology and innovation. Since our founding, we have grown through technical proficiency and confidence in ideas that others might consider risky, creating custom solutions for our clients. With offices in more than 6 countries, our mission is to continue to drive cutting‑edge projects around the world.

We are highly committed to technical excellence. We are known for developing highly customized projects, offering specialized technical consultancy and training.

Thanks to the great work of our technicians, we have been recognized for our ability to lead innovative projects that generate value, from artificial intelligence to blockchain, driving solutions that help companies optimize their performance.

What we do at Plain Concepts?

We pride ourselves on being a 100% technical team, dedicated to crafting custom projects from scratch, offering expert technical consultancy, and providing top‑tier training.

• Our approach goes beyond traditional outsourcing; we focus on creating value together with our clients.
• Our teams are diverse and multidisciplinary, operating in a flat, collaborative structure.
• We live and breathe AGILE principles, ensuring flexibility and efficiency in everything we do.
• Knowledge‑sharing is at our core: from supporting each other internally to contributing to the broader tech community through conferences, events, and talks.
• Innovation drives us — even the boldest ideas are welcome here.
• Transparency underpins all our relationships, fostering trust and long‑term partnerships.

Want to learn more? Check out our website!

At Plain Concepts, we certainly seek to provide equal opportunities. We want diverse applicants regardless of race, colour, gender, religion, national origin, citizenship, disability, age, sexual orientation, or any other characteristic protected by law.