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This job advert was originally written in Spanish.
We are looking for a profile with 3-5 years of experience as a Fullstack Developer, with experience in SaaS environments, a solid backend foundation, and mastery of the modern frontend stack, especially Angular. We especially value candidates who already integrate AI tools into their daily work to improve productivity and code quality.
What kind of person fits our team?
We are looking for someone who:
Be proactive, autonomous, and responsible.
Enjoy working across the entire stack.
Have a product mindset and focus on real impact.
Feel passionate about technology and continuous learning.
Share our vision of building scalable and high-impact SaaS products.
Competitive salary in line with experience.
Offices in Barrio de Salamanca (Madrid), with remote work as part of our DNA.
A culture of ownership, quality, and continuous improvement.
Fullstack Developer (SaaS | Angular | AI-enabled)
What do we need?
We are looking for a Fullstack Developer to join our Software Factory team and contribute to the development and evolution of our SaaS platform.
You will work end-to-end: from building interfaces with Angular to developing scalable backend services in Python, collaborating closely with Product, UX, and the rest of the technical team.
What you will work on day to day
We are looking for a fullstack person with technical judgment, product focus, and good practices. Here is the reference framework (must-have + plus).
Backend
APIs, business logic, and service quality.
Experience building scalable and well-versioned REST APIs.
Python + Django / DRF, with a focus on structure and maintainability.
Data modeling: SQL (primary) and basic NoSQL knowledge when applicable.
Good practices: clean code, testing (unit/integration), and PR reviews.
Frontend
Product, UI, and user experience.
Angular with judgment: components, modules, routing, and good practices.
TypeScript, HTML5, CSS/SCSS, and a consistent styling approach.
Consuming REST APIs, managing asynchronous states, and performance.
Attention to accessibility and visual details (clean and predictable UI).
Infrastructure and environment
Deployment, stability, and smooth delivery cycles.
Docker and containerized environments for development and deployment.
Basic cloud knowledge (AWS) and common SaaS patterns.
CI/CD and a culture of small, measurable, and reversible releases.
AI in development
Speed, quality, and judgment to validate outputs.
Regular use of assistants (ChatGPT, Copilot, Cursor) with a practical approach.
Accelerate debugging, refactoring, and documentation without sacrificing quality.
Critical thinking: validate, test, and decide when not to use AI.
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The Key Talent is a Madrid-based HR tech and recruiting company that specializes in connecting businesses with specialized talent, particularly in technology and engineering sectors. The company operates as a talent acquisition partner for companies across Europe and Latin America, combining traditional recruiting expertise with AI-driven software development capabilities to serve clients in industries such as oil & gas, technology, and SaaS.
With its headquarters in Madrid, The Key Talent has a strong presence in Spain's tech and recruitment ecosystem. The company offers opportunities for international professionals through roles in software development, AI engineering, and business development, with a focus on innovation and digital transformation. Their work culture emphasizes collaboration and technical excellence, making them a relevant option for tech talent looking to relocate to Spain.
Your future with The Key Talent
About us
We are a tech startup founded in 2015 with a clear mission: to help the world of Human Resources adapt to an environment of constant change and transformation.
We are nonconformists by nature and firmly believe that only through continuous innovation is it possible to lead a sector that has not evolved at the pace companies need. We create scalable and efficient SaaS products to optimize the processes of talent attraction, selection, and evaluation.
We have a presence on three continents and work with major global companies.
or browse Madrid·Engineering·Full-stack·Mid-level·Remote·Community of Madrid·HR Tech / Recruiting
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