Full stack TypeScript NodeJs developer, Uccle

Senior Full Stack JavaScript Engineer (Node.js / React) - Banking Sector

Location

Belgium (Hybrid model)

Contract Type

Freelance / Contract

Context

Our client is a fast-growing digital bank undergoing a major transformation of its IT landscape. The organization is modernizing its legacy systems into a microservices architecture hosted on AWS, with a strong focus on Domain-Driven Design (DDD).

The development organization is structured into autonomous feature teams, each aligned with a specific business domain. These teams promote ownership, collaboration, and innovation, offering you the opportunity to make a real impact in a human-sized environment.

Your Role

As a Senior Full Stack JavaScript Engineer, you will play a key role in designing and delivering high-quality digital banking solutions.

You are someone who

Thrives in a collaborative Agile environment, while being capable of working autonomously

Translates complex business requirements into scalable and elegant technical solutions

Balances engineering discipline with pragmatism

Has a strong focus on code quality, performance, and security

Is eager to continuously learn and grow, both technically and within the banking domain

You take ownership of your work, actively contribute ideas, and are open to feedback and continuous improvement.

Key Responsibilities

Design, develop, and maintain scalable full stack applications within a microservices ecosystem

Translate business requirements into technical specifications and user stories

Develop high-quality frontend and backend solutions using modern JavaScript technologies

Build and maintain secure and performant APIs (REST and/or gRPC)

Collaborate closely with Product Owners, Scrum Masters, and other developers

Contribute to Agile ceremonies (daily stand-up, sprint planning, retrospectives)

Ensure code quality through testing (unit, integration, E2E)

Participate in CI/CD processes and deployments

Contribute to architectural discussions and technical improvements

Technical Skills

Frontend

Strong experience with:

React.js (with styled-components)

React Native

Good understanding of:

Micro-frontend architecture

Backend

Strong expertise in:

Node.js with TypeScript

Experience with:

API design (REST and/or gRPC)

OpenAPI / Swagger

Knowledge of ORM tools (TypeORM or modern alternatives) is a plus

DevOps&Cloud

Experience with:

CI/CD pipelines (GitLab preferred)

Familiarity with:

AWS services (S3, DynamoDB, RDS, EKS, etc.)

Methodology

Proven experience working in:

Agile / Scrum environments

Strong ability to:

Translate business needs into clear user stories

Collaborate effectively within cross-functional teams

Required Qualifications

Minimum 5 years of experience in full stack JavaScript development

Strong analytical and problem-solving skills

Fluent in English

Nice-to-Have

Knowledge of banking or financial services

Proficiency in Dutch or French

Experience with:

Terraform / Infrastructure as Code

C# .NET

GraphQL

Exposure to other backend technologies (e.g., PHP)

Soft Skills

Team player with strong communication skills

Proactive and solution-oriented mindset

Strong sense of ownership and responsibility

Passion for technology and innovation

Brussels

Start date : ASAP

Contract 6 months with long term assignment and so extensions

50% hybrid system

Interested ? Apply below or contact me at

To find out more about Huxley please visit