Senior Full-Stack Developer - AI-Driven SaaS

DevDefy; Karachi Division; On-site; PKR 4,500,000 - 7,500,000; Full time

Job summary

DevDefy is hiring a Senior Full-Stack Application Developer to ship production-grade web applications end-to-end. You will leverage AI tools responsibly, turning ambiguous requests into crisp specs and acceptance criteria.

Ideal candidates understand agentic development, back-end with PostgreSQL and AWS, front-end with strong UI architecture, and DevOps with CI/CD, Docker, and IaC. You will contribute to multi-tenant SaaS systems and reliable deployment practices.

Qualifications

• 5+ years of full-stack development experience.
• Ability to ship production-grade web applications end-to-end.
• Experience with AI-assisted development and agentic workflows.
• Experience with multi-tenant SaaS architectures and RBAC.

Responsibilities

• Design and implement scalable frontend and backend components.
• Develop and maintain CI/CD pipelines and containerized deployments.
• Apply security best practices and manage access controls.
• Collaborate on architecture and product specs with AI tooling.

Skills

UI architecture

Component design

State management

Performance optimization

Tailwind CSS

Responsive design

Accessibility basics

PostgreSQL

Indexing

Query optimization

AWS

IAM / security basics

CI/CD

Docker

Terraform / IaC

Observability / OpenTelemetry / Sentry

Multi-tenant SaaS

RBAC

Testing / PRs

Tools

GitHub Actions

Docker

Terraform

AWS EC2/ECS/Lambda

CloudWatch

S3

SQS/SNS

OpenTelemetry

Sentry

Job description

DevDefy is hiring a Senior Full-Stack Application Developer to ship production-grade web applications end-to-end. You will leverage AI tools responsibly, turning ambiguous requests into crisp specs and acceptance criteria.

Ideal candidates understand agentic development, back-end with PostgreSQL and AWS, front-end with strong UI architecture, and DevOps with CI/CD, Docker, and IaC. You will contribute to multi-tenant SaaS systems and reliable deployment practices.