TL;DR

Fullstack Developer Junior: Developing reliable full stack services and scalable backend APIs with an accent on Node.js, Next.js, microservices, and event-driven systems. Focus on building a marketplace product, applying clean architecture principles, and collaborating in a fast-paced startup environment.

Location: Hybrid in Valencia or Madrid, Spain

Salary: €25,000 - €40,250 OTE gross annual

Company

%hirify_global% is a fast-growing startup based in Madrid focused on building a platform for freelance teams and next-generation ways of working.

What you will do

Architect, build, and maintain scalable backend services and APIs using Node.js and Next.js.
Design and implement microservices and event-driven pipelines (Kafka).
Collaborate with UI/UX designers to build responsive frontends with React, Vue, or Angular.
Optimize performance, load times, and bundle sizes.
Champion Agile methodology, CI/CD best practices, and DevOps automation on AWS.
Apply Hexagonal Architecture, DDD, Clean Code, and SOLID principles.

Requirements

Location: Must be based in or near Valencia or Madrid, Spain for hybrid work.
2-3 years of professional full stack development experience with Node.js, Next.js, and frontend frameworks.
Bachelor’s degree in Computer Science, Telecommunications, Mathematics, or related STEM field.
Experience with microservices, event-driven systems (Kafka), and AWS services.
Strong understanding of web security practices including JWT, OAuth, and code quality tools.
English: Proficient (B2) required for communication in an international startup environment.

Nice to have

Experience working in startups or product-focused companies.
Familiarity with Hexagonal Architecture, Domain-Driven Design, and Clean Code practices.

Culture & Benefits

Hybrid work model with office locations in Valencia and Madrid.
Professional development plans and a strong team culture.
Wellness programs, gym access, English classes, and medical insurance.
Agile, fast-paced, and innovative startup environment.
Free organic fruit and beverages at the office.

Hiring process

Initial cultural fit chat with People & Culture team.
Case study and technical interview with Product team members.
Team interview to assess skills and cultural fit.
Final conversation with CEO to discuss vision and expectations.