Senior Node.js Backend Architect – Fintech & APIs

GSS Tech Group; Dubai; On-site; AED 300,000 - 500,000; Full time

Job summary

GSS Tech Group is seeking a Senior Node.js Developer to design, build, test, and maintain scalable backend systems end to end. The role demands ownership of development, testing, and architectural input with strong stakeholder communication.

Banking/fintech experience is valued. The ideal candidate combines hands-on engineering with architectural influence, including containerized environments (Docker/Kubernetes) and modern authentication methods (SSO, OAuth, JWT).

Qualifications

• Postgraduate degree in Computer Science or a related field, or equivalent industry experience
• Minimum 8 years of professional coding experience in Node.js, JavaScript, and database technologies
• At least 1 year of hands on experience with TypeScript
• Hands on experience writing and maintaining automated test suites (unit, integration, and/or API level)

Responsibilities

• Design and develop scalable, highly available RESTful APIs using Node.js
• Build and maintain GraphQL based services
• Own end-to-end quality of delivered code, including unit testing, integration testing, and API/contract testing
• Own performance tuning, debugging, and monitoring of production systems
• Contribute to CI/CD pipelines and support troubleshooting across distributed service ecosystems
• Work with containerized environments including Docker and Kubernetes
• Integrate services with API gateways such as 3Scale
• Implement secure authentication using SSO and token based standards (REST, JWT, OAuth)
• Work with task and message queue systems including AWS, Microsoft Azure, Pushpin, and Kafka
• Uphold best practices in coding standards, security, unit testing, and documentation
• Ensure the quality of technical and application architecture across the organization
• Research and benchmark technologies against industry best practices
• Operate within Agile delivery frameworks

Skills

Node.js

JavaScript

TypeScript

GraphQL

REST API design

CI/CD

Docker

Kubernetes

AWS/Azure

Kafka

JWT/OAuth

Testing (Jest/Mocha)

Agile

Education

Postgraduate degree in Computer Science or related field

Tools

Docker

Kubernetes

3Scale

AWS

Azure

Kafka

Job description

GSS Tech Group is seeking a Senior Node.js Developer to design, build, test, and maintain scalable backend systems end to end. The role demands ownership of development, testing, and architectural input with strong stakeholder communication.

Banking/fintech experience is valued. The ideal candidate combines hands-on engineering with architectural influence, including containerized environments (Docker/Kubernetes) and modern authentication methods (SSO, OAuth, JWT).