Senior Full-Stack Engineer (Java + React) - AWS

Keoni; France; Hybrid; EUR 70,000 - 95,000; Full time

Job summary

Kéoni Consulting is seeking a Senior Full Stack Developer to join a 6-person team on a data APIs project. You will design, develop, deploy and maintain front-end and back-end features using TypeScript, NodeJS, ReactJS, and AWS services, in an agile environment.

You will participate in code reviews, create technical design studies, investigate issues, and help meet release criteria. The role requires strong collaboration with the client and architect, and a proactive, autonomous mindset.

Qualifications

• Senior level experience (7–10 years) in full stack development.
• Strong communication with client and architect.
• Proficient in TypeScript/NodeJS and ReactJS.
• Experience with REST APIs and OpenAPI specs.
• Familiar with CI/CD practices and agile ceremonies.

Responsibilities

• Design, develop, deploy, and maintain front-end functionalities and back-end services.
• Perform code reviews and write technical design studies.
• Investigate bugs and support release acceptance criteria.
• Participate in agile ceremonies and collaborate with the client and architect.

Skills

TypeScript & NodeJS

AWS

ReactJS

Git/GitLab/Jenkins/Terraform

REST APIs/OpenAPI

DDD/Hexagonal architecture

CI/CD

Testing (Robot Framework, Gatling)

Team collaboration

Bug investigation

Education

Diplomas

Tools

Lambda

DynamoDB

Aurora

PostgreSQL

API Gateway

Kubernetes

SQS

Job description

Kéoni Consulting is seeking a Senior Full Stack Developer to join a 6-person team on a data APIs project. You will design, develop, deploy and maintain front-end and back-end features using TypeScript, NodeJS, ReactJS, and AWS services, in an agile environment.

You will participate in code reviews, create technical design studies, investigate issues, and help meet release criteria. The role requires strong collaboration with the client and architect, and a proactive, autonomous mindset.