Full-Stack JavaScript Developer (Node.js and React.js)

Trinetix
Municipality of Madrid, Spain
13 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English, Spanish
Experience level
Senior

Job location

Municipality of Madrid, Spain

Tech stack

JavaScript
API
Agile Methodologies
Amazon Web Services (AWS)
Amazon Web Services (AWS)
Amazon Web Services (AWS)
Software Quality
Code Review
Databases
Relational Databases
PostgreSQL
Node.js
TypeScript
Web Applications
Web Services
React
GIT
Amazon Web Services (AWS)
Containerization
Functional Programming
REST
Software Version Control
Docker

Job description

  • Develop, test, and maintain new and existing web applications using React and Node.js

  • Design and optimize database schemas using PostgreSQL

  • Integrate front-end components with server-side logic and APIs

  • Deploy, manage, and scale applications on AWS cloud infrastructure

  • Collaborate with cross-functional teams to define technical specifications and deliver high-quality solutions

  • Ensure code quality through testing and code reviews

  • Stay updated with emerging technologies and industry best practices

What we offer

  • Continuous learning and career growth opportunities

  • Professional training and English/Spanish language classes

  • Comprehensive medical insurance

  • Mental health support

  • Specialized benefits program with compensation for fitness activities, hobbies, pet care, and more

Requirements

We are seeking a passionate and skilled Full-Stack JavaScript Developer with at least 5 years of experience to join our team. The ideal candidate will have strong expertise in React, Node.js, PostgreSQL, and AWS to build scalable, efficient, and user-friendly applications.

Requirements

  • Minimum of 5 years of professional experience as a Full-Stack JavaScript Developer or similar role

  • Strong proficiency in React and Node.js

  • Hands-on experience with PostgreSQL or other relational databases

  • Knowledge of AWS services (EC2, S3, Lambda, RDS, etc.)

  • Understanding of RESTful APIs and web services

  • Familiarity with version control systems like Git

  • Good problem-solving skills and attention to detail

  • Excellent communication skills and ability to work independently or in a team

Nice-to-haves

  • Experience with TypeScript

  • Knowledge of CI/CD pipelines

  • Familiarity with Docker and containerization

  • Previous experience working in agile development environments

About the company

Established in 2011, Trinetix is a dynamic tech service provider supporting enterprise clients around the world. Headquartered in Nashville, Tennessee, we have a global team of over 1,000 professionals and delivery centers across Europe, the United States, and Argentina. We partner with leading global brands, delivering innovative digital solutions across Fintech, Professional Services, Logistics, Healthcare, and Agriculture. Our operations are driven by a strong business vision, a people-first culture, and a commitment to responsible growth. We actively give back to the community through various CSR activities and adhere to international principles for sustainable development and business ethics. To learn more about how we collect, process, and store your personal data, please review our Privacy Notice: https://www.trinetix.com/corporate-policies/privacy-notice

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