Fullstack Software Engineer (React/Next.js, XML, Domibus AS4) (m/f/n)

SHIMI
Ixelles, Belgium
yesterday

Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Junior

Job location

Remote
Ixelles, Belgium

Tech stack

Web Interfaces
API
Agile Methodologies
Component-Based Software Engineering
Unit Testing
Information Systems
Continuous Integration
Software Debugging
Programming Tools
Scrum
Next.js
Software Engineering
Systems Integration
XML
Extensible Stylesheet Language Transformations (XSLT)
Tailwind
React
Backend
Gitlab
Code Testing
Front End Software Development
JestJS
Software Version Control
Web Api

Job description

We are currently looking for an experienced Fullstack Software Engineer to join a long-term project for a European Union institution. You will be involved in the development, integration, and maintenance of modern full-stack applications within an international environment, supporting digital public services and cross-border cooperation initiatives across Europe., * Develop and maintain frontend and backend application components.

  • Build modern web interfaces and integrate them with backend services and APIs.
  • Write clean, maintainable, and well-tested code.
  • Perform troubleshooting, debugging, and resolution of technical issues.
  • Conduct unit and integration testing.
  • Create and maintain technical documentation.
  • Deliver solutions that meet both functional and non-functional requirements.
  • Support application deployments and releases using CI/CD practices.
  • Participate in the maintenance and continuous improvement of existing solutions.
  • Collaborate with stakeholders, technical leads, and development teams in an Agile environment.

Requirements

Education: University degree at Master's level, Master's degree (MSc, MA, MEng or equivalent).

Professional Experience: Minimum 5 years of professional software development experience.

Frontend Technologies:

  • TanStack React Query - minimum 4 years.
  • React and Next.js - minimum 6 years.
  • Tailwind CSS - minimum 6 years.

Backend Technologies:

  • Fastify - minimum 6 years.
  • Experience with Axios, Pino, and Vitest - minimum 6 years.
  • Experience integrating with AS4 messaging solutions (e.g. Domibus AS4 Backend API or equivalent) - minimum 2 years.

Development Tools & Technologies:

  • GitLab for source code management and CI/CD - minimum 3 years.
  • pnpm, Nx, and Biome - minimum 5 years.
  • Experience with XML, XSLT, xml-js, xml-crypto, xmllint-wasm, and Saxon-JS - minimum 2 years.

Additional Expertise:

  • Minimum 1 year of experience working with information systems implementing the Once-Only Principle, preferably within public administration or public-sector environments.
  • Language: English - minimum B2 level (CEFR).

Nice to Have:

  • Experience working in Agile development environments.
  • Familiarity with Agile ceremonies, including sprint planning, reviews, retrospectives, and daily stand-ups.
  • EU citizenship is mandatory.
  • Candidates must perform their work from the territory of a European Union Member State.

Benefits & conditions

  • Rate: 380-450/MD nett
  • Primarily remote work from within the European Union.
  • Mostly remote setup. Services must be performed from within the EU. One/Two physical meetings with the customer are foreseen per 12-month period, max 2 days each. These planned meetings are at contractor's cost.
  • International and multicultural working environment.
  • Collaboration with highly skilled professionals from across Europe.

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