The English-language job board for Spain
Senior Technical Lead / Software Architect (.NET & AI)
On-site in San Sebastián·Added 1 month ago
Overview
Requirements
Have the right to work in Spain
LKS Next doesn't mention sponsorship in the ad.
Work on-site in San Sebastián
No relocation package mentioned.
Have 6+ years of experience
Senior-level role.
This job was automatically translated to English.
The role
At LKS Next, we are a project of people, of professionals, in permanent growth. A benchmark in the Business Services sector, we offer our clients advanced professional solutions and services where innovation is a constant.
We are looking to incorporate a senior profile capable of technically leading the evolution of the .NET applications of one of our clients, defining architectures, driving the use of AI, and directing a development team.
The selected person will join a team of professionals, allowing them to share and expand knowledge and experiences in solid, cutting-edge projects for the best companies. They will have great opportunities for professional development.
What you'll do
- Define application architecture and the technological roadmap.
- Technically lead a team of developers and provide mentoring.
- Participate in the design and development of critical components in .NET/C#.
- Drive best practices (Clean Architecture, SOLID, DDD, TDD, CI/CD, DevOps).
- Evaluate and implement AI use cases (LLMs, RAG, copilots, intelligent automation).
- Collaborate with business and architecture to translate requirements into technical solutions.
- Review code, ensuring quality, performance, and scalability.
Requirements
- More than 6-7 years developing in .NET/C#.
- Demonstrable experience designing software architectures.
- Experience leading technical development teams.
- Experience in APIs, microservices, integration, and distributed systems.
- Experience with Azure and/or AWS is valued.
- Experience applying generative AI in software development.
About LKS Next
LKS Next is a Spanish business group providing advanced professional services in consulting, technology, legal, and corporate finance, with a strong focus on digital transformation and Industry 4.0. As part of the MONDRAGON Corporation, it operates with a cooperative model, emphasizing innovation, sustainability, and social commitment. The company has over 850 employees and more than 35 years of experience, serving clients across various industries with a multidisciplinary approach.
- Industry
- IT services and business consulting
- Employees
- 500–1,000
- Headquarters
- Arrasate-Mondragón, Spain
- In Spain
- Arrasate-Mondragón, Bilbao, Zamudio and 5 more
- Website
- lksnext.com
Good to know if you are moving
- LKS Next is part of MONDRAGON, a major Spanish cooperative group, offering a unique cooperative work environment where employees can participate in decision-making.
- The company has offices in several Spanish cities including Madrid, Bilbao, San Sebastián, Vitoria-Gasteiz, and Zamudio, providing opportunities across the country.
- LKS Next emphasizes flexibility with remote, hybrid, and on-site work options, and invests over 2% of sales in employee training.
- The company is committed to sustainability and digital transformation, working on European projects like EDWIM (quantum layer) and partnerships with innovation hubs like onTech Innovation.
- International professionals can expect a collaborative and inclusive culture, with a focus on professional growth and well-being.


