Senior Full Stack Engineer

The mission consists of
driving the modernization and evolution of enterprise applications
within a digital banking environment, ensuring alignment with modern architecture principles, scalability requirements, and technology transformation objectives.
The role focuses on
designing, developing, and integrating modern backend and frontend solutions , while supporting the migration of legacy systems toward cloud-native and microservices-based architectures.
Beyond software development, the objective is to
strengthen technical excellence, improve application maintainability, and contribute to platform evolution initiatives , while collaborating within Agile cross-functional teams.
The goal is to enable the organization to
accelerate digital transformation, modernize legacy platforms, and deliver secure, scalable, and high-quality banking solutions
within an evolving technology ecosystem.
Key Responsibilities
Software Development & Integration
Agile Delivery & Collaboration
Quality, Maintainability & DevOps
Technology Evolution & Innovation
Required Expertise
Legacy application modernization
(Advanced, current experience)
Node.js and backend architecture development
(Advanced, current experience)
API and integration service development
(Advanced, current experience)
Agile software delivery and collaboration
(Advanced, current experience)
Experience
Minimum
5 years of experience in software development and integration services
Experience contributing to
application modernization and technology evolution initiatives
Proven ability to translate
business requirements into technical solutions
Technical Expertise
Mandatory
Senior-level expertise with
PHP and legacy system modernization
Strong experience with
Node.js development , ideally within a
BFF architecture
Good knowledge of
.NET / C# and modern backend development practices
Experience with
REST and/or gRPC APIs
Familiarity with
OpenAPI / Swagger specifications
Experience with relational databases such as:
MSSQL
MySQL
Strong understanding of:
Object-oriented design principles
Experience with ORM frameworks such as:
Entity Framework
NHibernate
Experience with:
Unit testing frameworks
Mocking frameworks
Preferred / Nice to Have
Experience with
frontend modernization projects
Experience with
Mendix or other low-code platforms
Knowledge of
microservices and event-driven architectures
Familiarity with
RabbitMQ or similar messaging systems
Understanding of
Domain-Driven Design (DDD)
Experience with
CI/CD pipelines and DevOps practices
Knowledge of
enterprise integration patterns
Education
Bachelor’s or Master’s degree
in Computer Science, Software Engineering, or related technical field
Equivalent professional experience is also considered
Languages
English – Professional working proficiency
Knowledge of
Dutch and/or French
is considered an asset
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