Fullstack / Heavy-Backend Developer (NestJS + PostgreSQL) at JR Spain Client / Street Smash Burgers Madrid

Further Details

JR Spain Client / Street Smash Burgers is now recruiting in Madrid. Apply for the position of Fullstack / Heavy-Backend Developer (NestJS + PostgreSQL). The required qualification is Bachelor. This role is within the Technology industry. A bachelor degree is preferred. The application process commenced on 03 November, 2026 via Eurojobs. Interested and eligible candidates must submit their applications before the deadline on 18 December, 2026. This is a prime opportunity to join a renowned organization. For a step-by-step application guide and full eligibility criteria, please see the official advertisement on https://www.jobseed.pk.

Fullstack / Heavy-Backend Developer (NestJS + PostgreSQL) at JR Spain Client / Street Smash Burgers

We have an immediate opening for the post of Fullstack / Heavy-Backend Developer (NestJS + PostgreSQL). The job location is Madrid.

Key Requirements:

• Qualification: Bachelor
• Vacancies: 1

This is a fantastic chance to work with a reputed organization and grow professionally.

Skills

• Proficiency in Node.js, TypeScript, and NestJS
• Strong command of PostgreSQL and advanced SQL skills, including schema design and query optimization
• Hands-on experience with SOLID principles, design patterns, Clean Architecture, and testing methodologies
• Proven ability in building interfaces with React
• Demonstrated autonomy, pragmatism, and excellent communication skills
• Professional working proficiency in English
• Experience with PostgREST
• Familiarity with Next.js or Vite
• Experience utilizing AI coding tools (e.g., Claude Code) in daily workflows

Duties and Responsibilities:

• Design and build scalable backend systems using patterns like Repository, Factory, CQRS, and Dependency Injection
• Design relational schemas and optimize complex queries in PostgreSQL and PostgREST
• Build modular, strongly typed APIs and services with NestJS
• Develop and connect clean, functional interfaces in React (Vite or Next.js)
• Utilize Claude Code and other AI tools to enhance development speed while maintaining quality
• Break down ambiguous problems, conduct research, and deliver pragmatic solutions
• Proactively ask questions and challenge ideas to find better approaches

How to apply

How to Apply for Fullstack / Heavy-Backend Developer (NestJS + PostgreSQL):

Interested candidates are invited to submit their applications for the Fullstack Developer position with JR Spain Client at Street Smash Burgers. Please follow the steps below to ensure your application is received and considered:

• Application Link: Visit the provided application portal via the following link to initiate your application process: https://eurojobs.com/jobs/36972604/apply
• Required Documents: While not explicitly detailed, candidates should prepare a comprehensive CV highlighting relevant experience in backend and fullstack development, NestJS, PostgreSQL, and React. Include any relevant certifications or portfolio links.
• Application Deadline: Ensure your application is submitted by the closing date of 18 December, 2026. Late applications may not be considered.
• Work Permit: Please note that an EU work permit is required for this position.
• Further Information: For detailed job specifications and company insights, refer to the full advertisement on Eurojobs.