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Java jobs in Spain

Senior Backend Engineer (NodeJS) - Remote

KeepITup

Spain
Hybrid
EUR 60,000 - 65,000
30+ days ago
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Software Engineer - Valencia (híbrido)

KeepITup

Valencia
Hybrid
EUR 40,000 - 45,000
30+ days ago

Senior Android Developer

Evpassport

Barcelona
Hybrid
EUR 40,000 - 60,000
30+ days ago

Desarrollador software de sistemas embebidos

ITCL Centro Tecnológico

Burgos
On-site
EUR 50,000 - 70,000
30+ days ago

Senior Android Developer

Financecolombia

Barcelona
On-site
EUR 30,000 - 45,000
30+ days ago
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UROLOGIA - HOSPITAL PRIVADO, MURCIA

EasySalud

Murcia
On-site
EUR 60,000 - 75,000
30+ days ago

Consultor/a Senior en Interoperabilidad Sanitaria-REMOTO

Atos SE

Madrid
Remote
EUR 50,000 - 70,000
30+ days ago

Big Data Engineer

KPMG Spain

Madrid
Hybrid
EUR 40,000 - 60,000
30+ days ago
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Desarrollador de aplicaciones - remoto

icorp

Castilla-La Mancha
Remote
EUR 30,000 - 50,000
30+ days ago

IT MANAGER

JR Spain

Madrid
On-site
EUR 50,000 - 70,000
30+ days ago

Big Data Engineer

SDG Group

Logroño
On-site
EUR 30,000 - 50,000
30+ days ago

Data Engineer

UNIT4

Barcelona
On-site
EUR 50,000 - 70,000
30+ days ago

Data Engineer

UNIT4

Madrid
On-site
EUR 50,000 - 70,000
30+ days ago

Data Engineer

UNIT4

Málaga
On-site
EUR 50,000 - 70,000
30+ days ago

QA Engineer (Mobile) - Hybrid Malaga

Betsson Group

Málaga
On-site
EUR 40,000 - 55,000
30+ days ago

Data Engineer

Hiretech

Madrid
On-site
EUR 40,000 - 60,000
30+ days ago

Senior Software Development Engineer in Test

Omnitracs

Madrid
On-site
EUR 40,000 - 65,000
30+ days ago

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Senior Backend Engineer (NodeJS)
KeepITup
Spain
Hybrid
EUR 60,000 - 65,000
Full time
30+ days ago

Job summary

A growing tech scale-up is seeking a passionate Backend Developer to contribute to their product development. You will work with Node.js in a microservices architecture and assist in building new features. The role offers a competitive salary, a flexible work schedule with remote options, and a supportive team environment focused on innovation.

Benefits

Salary between €60,000 and €65,000
10% bonus
Budget for learning materials
Flexible schedules
Remote work options
Private health insurance
Free coffee and pizza

Qualifications

  • 4+ years of experience using Node.js on the backend.
  • Experience with React or other JS frameworks is a plus.
  • Knowledge of microservices architecture and Apollo GraphQL.

Responsibilities

  • Build new features using Node.js and contribute to the team's goals.
  • Define and implement coding standards while contributing to documentation.
  • Take ownership of tasks and assist in estimating project deliveries.

Skills

Javascript
Node.js
Microservices architecture
Functional Reactive Programming
Apollo GraphQL

Tools

ReactJS
PostgreSQL
Kubernetes
Java Spring Boot
RabbitMQ
Job description

About the company

Their product is a SaaS platform that delivers results in real-time and transforms market research into an accessible, everyday solution for brands worldwide. It is simple, easy to use, and supported by a team of specialized researchers. The platform enables brands to conduct high-quality research and obtain immediate results. Their mission is to deliver the best outcomes to users and democratize market research, making it accessible globally.

Although they are in the Series A stage, they are experiencing organic growth as a scale-up.

Clients include Disney, Bayer, and Uber.

About the Role

We are seeking a talented and passionate Backend Developer to significantly contribute to the product and business growth.

Who are you?

You have experience working in a product company (B2B SaaS experience is a plus) and have successfully deployed and maintained ReactJS frontends in production. You have worked in teams of 3 to 5 members following Lean and Extreme Programming practices. You have faced significant technical challenges and actively participated in product development. You have ownership of making product and technical decisions, proactively identifying issues and opportunities.

Your Technical Skills & Knowledge

  • Javascript, with at least 4 years of experience using Node.js on the backend.
  • Experience in frontend development using React or other JS frameworks (not mandatory).
  • Knowledge of microservices architecture.
  • Understanding of Functional Reactive Programming.
  • Experience with Apollo GraphQL.
  • Unit testing with react-test-utils, functional testing with cucumber, and TestCafe.

About the Role

Join the Projects team to build new features using Node.js (and React if full-stack).

  • Define and implement best practices, coding standards, and techniques while contributing to technical documentation.
  • Research and evaluate solutions, making recommendations to the Product team.
  • Take ownership of tasks.
  • Assist your team in planning and estimating both short-term and long-term deliveries.
  • Implement well-tested code to ensure responsiveness and efficiency.

Tech Stack

The platform is a microservices architecture deployed on GCP via Kubernetes (GKE). Approximately 80% of services are in Node.js (plain JS and TypeScript), with 20% in Java Spring Boot. Databases are PostgreSQL, and messaging uses RabbitMQ. Frontends are built with ReactJS + Redux, employing a BFF pattern with GraphQL in Node.js.

Node.js microservices are distributed across various organizational domains, including pure microservices, API gateways, and GraphQL BFFs, written in plain JS or TypeScript.

The frontends use ReactJS (v.17+), Redux, react-saga, and hooks.

What They Offer

  • Salary between €60,000 and €65,000 + 10% bonus.
  • Budget for learning materials, courses, or conferences.
  • Flexible schedules and remote work options (typically one day in-office per week).
  • Full remote option and work-from-home setup.
  • Private health insurance.
  • High-growth, multicultural, and friendly environment.
  • Free coffee and pizza at the office.
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* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.

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