20 beste vacatures voor de functie van senior integrations developer in brussels, bru (nieuwe medewerkers gezocht)

Senior Backend Developer, Java Specialist (remote, based in EU) - International client
The White Team —Brussel
- Thuiswerk
- Java
- Databases
- API's
Junior Technical Support Manager
itsme® —Brussel
- Voltijds
- Hybride werken
- Bachelor
- API's
- Communicatieve vaardigheden
Snel solliciteren
Front-end developer
Lex —Brussel
- Engels
- Java
- Bachelor
API / SOA Team Lead (Freelance)
Smile Group —Sint-Pieters-Woluwe
- Hybride werken
- Management
- DevOps
- Teammanagement
Snel solliciteren
Senior Front End Developer for a famous European Institution
EKXEL IT Services & Financial Engineering —Brussel
- Voltijds
- Java
- Master
- Bachelor
Snel solliciteren
Full-Stack Web Developer
LolaLiza —Brussel
- Voltijds
- Salesforce
- ERP systemen
- Engels
Snel solliciteren
PHP / Laravel Developer – Custom Projects in Culture
Ticketmatic —Leuven
- Voltijds
- Hybride werken
- Engels
- Bachelor
Snel solliciteren
API Developer & Gateway Administrator (Freelance)
Smile Group —Sint-Pieters-Woluwe
- Hybride werken
- API's
- Agile
- ICT
Snel solliciteren
Senior .NET developer
Expleo —Brussel
- Computerwetenschappen
- Azure
- Informatica
Backend Developer (Freelance)
Smile Group —Sint-Pieters-Woluwe
- Hybride werken
- Azure
- Java
- Databases
Snel solliciteren
Experienced Senior/Medior Mobile Developer (React Native)
Octiva —Leuven
- Voltijds
- Hybride werken
- Computerwetenschappen
- Informatica
- Master
Snel solliciteren
Senior Software Engineer (Payflip Payroll)
Payflip —Brussel
- Voltijds
- Thuiswerk
- Azure
- Engels
- API's
Senior Fullstack Developer, Brussels (on-site) – Eurocontrol
The White Team —Brussel
- € 505 - € 525 per dag
- DevOps
- Java
- JavaScript
Frontend Expert
AXA —Brussel
- DevOps
- Engels
- Java
Belgium (Banking / English): DEV Engineer - Expert Java Developer (REF 18)
Trusted Advisors —Brussel
- Java
- Agile
Senior Full Stack Guidewire Developer
Expleo —Brussel
- Azure
- Java
- SQL
Full stack developer
Lex —Brussel
- DevOps
- Engels
- Java
Senior/Lead Solution Engineer Benelux
Salesforce —Brussel
- Voltijds
- Computerwetenschappen
- Informatica
- Salesforce
Senior .NET Android Developer
Wibit Consulting & Services (WibitCS) —Brussel
- Azure
Snel solliciteren
Senior .NET/Python Developer-Architect | Energy Sector
Etinars —Waterloo
- € 520 - € 545 per dag
- Azure
- Engels
- Master
Snel solliciteren

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Senior Backend Developer, Java Specialist (remote, based in EU) - International client

The White Team -
Brussel

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Vacaturegegevens

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Kwalificaties

Spring Boot
CI/CD
Authenticatie
Kubernetes
XML
MongoDB
Java
Databases
Docker
Back-end development
Scrum
API's
Agile
JSON
Software architectuur

Volledige vacaturetekst

Senior Backend Java Developer

Location: European Union (remote).
Work Arrangement: Fully Remote.
Contract Type: Freelance / Contract. The rate is flexible, further details upon discussion.

About the Role

We are seeking an experienced Senior Backend Java Developer with extensive expertise in Java and Spring Boot to design and implement modern, scalable, API-first backend solutions. The successful candidate will transform functional and architectural specifications into high-quality technical designs while contributing to the evolution of a robust, cloud-native platform.

This role requires a strong technical leader capable of mentoring a small engineering squad, driving backend architecture decisions, and delivering secure, maintainable, and highly scalable services within an international Agile environment.

Key Responsibilities

Design and implement scalable, API-first backend solutions using Java and Spring Boot.
Translate functional and architectural requirements into robust technical designs.
Lead and mentor a squad of 2–3 backend engineers, promoting engineering best practices and code quality.
Contribute to architecture decisions, ensuring clear separation of concerns, bounded contexts, maintainability, and operational simplicity.
Develop high-quality, well-tested code through unit, integration, and contract testing.
Design and build RESTful APIs and event-driven services aligned with OpenAPI and AsyncAPI specifications.
Enforce API governance standards and backend development best practices.
Develop and maintain integrations with third-party systems using JSON, XML, and XSD.
Design, model, and optimize MongoDB schemas while managing database migrations and transactional consistency patterns.
Apply secure development practices, including OAuth2, OpenID Connect (OIDC), and JWT authentication mechanisms.
Support CI/CD pipelines, trunk-based development, and cloud-native deployment practices using Docker, Kubernetes, and Helm.
Collaborate closely with architects, business analysts, UX designers, QA engineers, DevOps, and frontend developers in an international environment.
Participate actively in Agile/Scrum ceremonies and contribute to continuous improvement initiatives.

Required Qualifications

Extensive professional experience developing backend applications with Java and Spring Boot.
Strong experience designing scalable, API-first architectures.
Proven ability to lead technical initiatives and mentor engineering teams.
Solid understanding of software architecture principles, including separation of concerns and domain-driven design concepts such as bounded contexts.
Experience developing RESTful APIs and event-driven architectures.
Strong knowledge of OpenAPI and AsyncAPI specifications.
Experience working with JSON, XML, and XSD, including resilient integrations with third-party systems.
Hands-on experience modelling and optimizing MongoDB databases.
Knowledge of database migrations and transactional consistency patterns.
Strong understanding of application security, including OAuth2, OpenID Connect (OIDC), and JWT.
Experience working with automated testing frameworks, including unit, integration, and contract testing.
Experience supporting CI/CD pipelines and modern software delivery practices.
Hands-on experience with Docker, Kubernetes, Helm, and cloud-native application deployment.
Experience working within Agile/Scrum environments.
Strong communication and collaboration skills within cross-functional international teams.
English proficiency at B2 level or higher.

Preferred Skills

Experience working in distributed, international engineering teams.
Passion for clean architecture, software craftsmanship, and continuous improvement.
Experience with trunk-based development methodologies.

Location Requirements

Candidates must be based anywhere within Europe.
Ability to work remotely while collaborating with international teams across European time zones.

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senior integrations developer vacatures in brussels, bru

Senior Backend Developer, Java Specialist (remote, based in EU) - International client

Junior Technical Support Manager

Front-end developer

API / SOA Team Lead (Freelance)

Senior Front End Developer for a famous European Institution

Full-Stack Web Developer

PHP / Laravel Developer – Custom Projects in Culture

API Developer & Gateway Administrator (Freelance)

Senior .NET developer

Backend Developer (Freelance)

Experienced Senior/Medior Mobile Developer (React Native)

Senior Software Engineer (Payflip Payroll)

Senior Fullstack Developer, Brussels (on-site) – Eurocontrol

Frontend Expert

Belgium (Banking / English): DEV Engineer - Expert Java Developer (REF 18)

Senior Full Stack Guidewire Developer

Full stack developer

Senior/Lead Solution Engineer Benelux

Senior .NET Android Developer

Senior .NET/Python Developer-Architect | Energy Sector

Ik wil de nieuwste vacature-alerts ontvangen voor de functie van senior integrations developer in brussels, bru

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