The English-language job board for Spain
89,000+ live jobsPython LLM Developer
Hybrid in Madrid·Full-time·Added 1 month ago (last checked 30 Oct)
Our summary
- Work mode
- Hybrid, Madrid
- Contract
- Permanent, full-time hours
- Experience
- 3+ years
- Education
- University degree
- Benefits
- Private health insurance, flexible pay plan, meal vouchers





Visa options
The ad doesn’t mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
Skills
This job advert was originally written in Spanish.
Requirements
What we're looking for
Degree --> University degree in Engineering, Mathematics, Statistics, Physics, Computer Science or similar
Minimum experience: 3 years in projects related to LLMs using Python.
At least 1 year of experience in the development of applications based on generative AI and LLMs
Pay & benefits
What you'll get
- Permanent contract
- Salary agreed upon, adapting to your experience and expectations
- Flexible compensation package (health insurance, meal vouchers, daycare, transportation)
- Free English classes
- Access to benefits platform (travel, technology, etc.)
- 22 working days of vacation + birthday + December 24 and 31
The role
At Izertis, we are looking to expand our team by bringing on a Python LLM developer to join one of our most important clients.
What you'll do
- Deployment of LLM models on high-capacity servers with configurations of up to 8x NVIDIA H200
- Systematic performance testing and benchmarking
- Analysis and optimization of model performance and physical infrastructure
- Management and optimization of multi-GPU environments
- Development primarily in Python on Linux servers using VSCode as an IDE
- Deployment and integration via Jenkins
- Use of vLLM as a model inference engine
- Work under Scrum methodology.
About Izertis
Izertis is a Spanish technology consulting and engineering firm specializing in digital transformation, software development, and IT services. The company operates across multiple sectors including public administration, healthcare, industry, and financial services, offering solutions in areas such as cloud computing, cybersecurity, data analytics, and enterprise software implementation. With a workforce of over 1,000 professionals, Izertis has established itself as a significant player in the Spanish and European tech consulting market.
Izertis has a strong presence in Spain, with its headquarters in Gijón and additional offices in Madrid, Barcelona, and other major cities. The company is known for its commitment to talent development, offering programs like 'FutureWave' for junior talent and fostering a collaborative and innovative work culture. For international professionals, Izertis provides opportunities to work on diverse projects with a Spanish-speaking client base, making it an attractive option for those looking to build a career in Spain's growing tech sector.
- Industry
- IT Consulting
- Founded
- 1996
- Employees
- 1,000–5,000
- Headquarters
- Gijón, Spain
- In Spain
- Gijón, Madrid, Barcelona and 2 more
Good to know if you are moving
- Izertis has a formal 'FutureWave' program designed to attract and develop junior tech talent, offering structured career paths for recent graduates.
- The company works with a wide range of clients, including public administrations, which can provide exposure to large-scale digital transformation projects.
- While Spanish is the primary working language, the company's international projects may offer opportunities for English-speaking professionals.
- The company has offices in several Spanish cities, offering flexibility for those who may prefer living in a larger city like Madrid or Barcelona.
- Izertis is a Spanish company, which can be an advantage for internationals looking to integrate into the local tech ecosystem.
In their own words
About the company & team
At Izertis, we drive the digital transformation of companies, organizations, and people through innovative technological solutions with impact.
Founded in 1996, about to celebrate 30 years of history and included in the BME Continuous Market, Izertis is consolidated as one of the 1000 fastest-growing companies among European countries.
Currently, we are more than 2,300 professionals distributed in offices across Europe, America, and Africa, with a presence in more than 50 countries where we provide services and projects through a wide portfolio of solutions such as: Software Engineering; Consultancy & Governance; Cloud & Infrastructure; Cybersecurity; AI & Data & Emerging Technologies; CX & Business Solutions and other technologies that enable transformation processes.
And you, would you like to join our team? If so, don't hesitate to apply so that the Talent team can get to know you!
Additionally, don't forget to check the job openings section on our website for other options that may be of interest to you.
More jobs like this
or browse Madrid·Engineering·Machine learning & AI·Mid-level·Hybrid·Artificial Intelligence·Jobs of the Future·Community of Madrid·IT Consulting

