NodeJS Backend Developer

Barcelona, Catalonia, Spain · Backend expand job description ↓

Description

We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

At Leadtech, we work hard... and play harder! Our mission is to empower clients and employees to achieve its goals in the online business world.

Since 2009, we have been fostering innovative and creative techniques across a multitude of industries, making us pioneers in online project management.

Leadtech is dedicated to constant improvement, as well as inspiring new ideas and methods daily, for both the world in which we live and the future to come.

If you have a creative and innovative mind, Leadtech is looking for you!


Responsibilities

  • Work as part of a team developing applications and services using Agile development methods
  • Contribute to team and organizational improvements in process and infrastructure
  • Back-end services for payment processing administration and management
  • Code, teste and operate Node.js based services
  • Effectively use tools and ingenuity to identify and fix defects before they become a problem
  • Integration of user-facing elements developed by front-end developers with server side logic
  • Writing reusable, testable, and efficient code
  • Design and implementation of low-latency, high-availability, and high-performance applications
  • Implementation of security and data protection
  • Integration of data storage solutions

Requirements

  • Strong proficiency with JavaScript and Typescript.
  • Knowledge of Node.js and frameworks like Express and Nestjs.
  • Having used and build REST APIs
  • Experience with RabbitMQ and Redis (nice to have)
  • Understanding the nature of asynchronous programming and its quirks and workarounds.
  • Understanding accessibility and security compliance
  • User authentication and authorization between multiple systems, servers, and environments
  • Integration of multiple data sources and databases into one system
  • Understanding fundamental design principles behind a scalable application
  • Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
  • Creating database schemas that represent and support business processes
  • Implementing automated testing platforms and unit tests with test frameworks like Jest.
  • Proficient understanding of code versioning tools, such as Git
  • Previous working experience as a Node.js Developer for 2 years
  • BA in computer science or similar relevant field
  • Familiarity with the whole web stack, including protocols and web server optimization techniques
  • Strong analytical skills and problem solving aptitude
  • Attention to details

Benefits

What we offer

Leadtech offers an exceptional working environment in a dynamic and international team. We invest in people’s development offering the opportunity for continuous training and career growth.


Some of our benefits:

  • Competitive salary
  • Permanent contract (contrato indefinido)
  • Private health insurance
  • Tickets restaurant paid by the company
  • 25 days of holidays + your birthday off
  • Flexible vacation time (no blackout vacation days)
  • Flexitime (7 - 09.30h / 16 - 18.30h)
  • Free Friday afternoons (7-9:30 - 14-16:30h)
  • Free afternoons in August
  • Flexibility to work from home
  • Team-building activities
  • Monthly afterwork
  • Free coffee and snacks
  • Free fresh fruit
  • Nursery tickets
  • English courses
  • Permanent internal training + anual budget for external training
  • Games room (nintendo, table tennis, futbolin)
  • Terrace at the office
  • Innovative approach to all internal processes and businesses
  • Work with the latest technologies with extensive career progression opportunities.



Location

Our exceptional office is at the Blue Building in Barcelona, located right on the city's seafront. Besides our stunning views, you’ll enjoy our office perks such as free fruit, snacks and coffee and you’ll be able to take part in our Mario Kart and table tennis competition.

The personal data you provide will be processed in order to manage your candidacy for the corporate selection processes that fit your profile. If you wish, you can exercise your rights of access, rectification or cancellation by writing to our address (Avenida del Maresme, 44-46 08918 Badalona) or to the email address [email protected], attaching to your request a document that can validate your identity.

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