Senior Fullstack Developer

About the role

We are looking for a Senior Fullstack Developer to join our European digital services team. You will work on modern web applications, serverless services and APIs that support our clients’ digital transformation.

Key responsibilities

• Design, develop and maintain scalable RESTful APIs and micro‑services using Node.js.
• Build responsive, high‑performance front‑end applications with React and state‑management libraries (Redux/Recoil).
• Create reusable, modular UI components following web‑accessibility best practices.
• Model, query and optimise data in MongoDB.
• Develop serverless solutions on AWS (Lambda, API Gateway, S3) and monitor them with Datadog.
• Implement CI/CD pipelines using GitHub Actions, including automated testing with Jest or Mocha.
• Run static application security scans with Checkmarx and enforce security best practices.
• Maintain legacy Backbone.js modules while migrating to modern technologies.
• Utilise Docker for containerisation and support Agile (Scrum/Kanban) delivery cycles.

Required profile

• Minimum 5 years of full‑stack development experience.
• Strong problem‑solving abilities and capacity to work both independently and within a team.
• Hands‑on experience with Agile methodologies.

Required skills

• React, Redux, Recoil
• Node.js, JavaScript (ES6+), TypeScript
• MongoDB
• Checkmarx (or similar SAST tools)
• Web accessibility standards
• AWS Lambda, API Gateway, S3
• Datadog monitoring
• GitHub Actions CI/CD
• Jest, Mocha testing frameworks
• Backbone.js
• HTML5, CSS3
• Docker
• Agile (Scrum, Kanban)