Full-Stack Developer 100% remote

Company: Seidor Gesein

Location: Belgium (Remote)

Salary: Up to 57.5k € per year

Type: Full-time

Remote: Yes

Posted: 2026-05-14

About this role

We are looking for a Full Stack Developer to join an international and long-term project based in Brussels. This role is ideal for professionals experienced in complex enterprise environments, microservices architectures, and cloud-based solutions.

You will be working in a multicultural environment, contributing to the development and integration of scalable systems using modern technologies.

## Tasks

* Front-end architecture development for web applications
* UI/UX interaction design for web interfaces
* Back-end application development
* Implementation of core business logic
* Creation and maintenance of servers and databases
* Implementation of security and data protection measures
* Cross-platform optimization
* Responsive application design
* API design and development
* Participation in the design and development of scalable software solutions
* Technical leadership when required
* Maintaining code integrity and structure
* Writing clean, functional code across front-end and back-end
* Analysis of data, processes, and code to troubleshoot issues and identify improvements
* Testing and bug fixing
* Ensuring technical and functional requirements are met
* Technical documentation writing

## Requirements

At least 3 years of proven experience in:

* Java
* Spring / Spring Boot
* Angular 7 and Angular 10
* HTML, CSS, JavaScript, TypeScript
* Microservices and micro front-end architectures
* REST and SOAP web services
* Oracle Database
* AWS (Amazon Web Services)
* Kafka, JMS, Kibana, ElasticSearch
* CI/CD pipelines
* API Gateway configuration with OAuth2
* OpenID Connect
* SSO integration with ECAS
* Oracle WebLogic Server and Apache
* SSL/TLS configuration in application servers
* Reverse Proxy configuration
* Web testing tools such as Postman and ReadyAPI
* Hybrid mobile development using jQuery Mobile and Ionic

Mandatory requirements

* University degree in IT or related field
...

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