Senior Full-Stack Developer
DevDefy · Karachi
Job description
About the role
We are looking for a Senior Full‑Stack Application Developer with at least five years of experience to design, build, and ship production‑grade SaaS web applications. The role emphasizes responsible use of modern AI/agentic workflows to accelerate development while maintaining code quality.
Key responsibilities
- Develop end‑to‑end web applications using React, Next.js, and NestJS.
- Design and maintain robust PostgreSQL schemas and AWS‑based infrastructure.
- Implement CI/CD pipelines, Docker workflows, and Infrastructure as Code (Terraform or AWS CDK).
- Leverage AI coding assistants (e.g., Claude, Codex) to generate high‑signal output and avoid hallucinations or unreviewable diffs.
- Ensure security best practices on AWS (IAM, secrets management, least‑privilege).
- Provide observability through logging, monitoring, and tracing tools.
- Collaborate with product and engineering teams to turn ambiguous requests into clear specifications and acceptance criteria.
Required profile
- 5+ years of professional experience building full‑stack SaaS applications.
- Strong ownership mindset: humans drive decisions, AI agents accelerate execution.
- Excellent problem‑decomposition skills and ability to right‑size tasks for AI agents.
- Experience with multi‑tenant architectures and RBAC/permissions implementation.
Required skills
- React, Next.js, Tailwind (or equivalent CSS framework).
- NestJS with clean architecture and modular services.
- PostgreSQL schema design, indexing, migrations, and query optimization.
- AWS services: ECS/Fargate, Lambda, S3, SNS/SQS, RDS, CloudWatch, IAM.
- CI/CD tools: GitHub Actions, GitLab CI.
- Docker (local and production‑ready images).
- Infrastructure as Code: Terraform or AWS CDK.
- Observability tools: CloudWatch, Sentry, OpenTelemetry.
- AI coding assistants (Claude, Codex or similar).
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Published 3 hours ago
Expires 1 month from now
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DevDefy
Karachi