Full Stack Developer

1 week ago

Karachi GulistanEJouhar Kp, Pakistan Impleko AI Full time 300,000 - 600,000 per year

Title: Full Stack Developer ) - Onsite

Location: Karachi, Pakistan (Onsite, 5 days/week)

About Impleko AI

Impleko AI builds automation-first products and custom AI integrations for global clients - specializing in voice agents, AI workflows, and intelligent automation systems that drive real business results.

Role Overview

We are seeking a Full Stack Developer ) with strong backend expertise and solid frontend fundamentals to build, ship, and maintain production-grade AI-driven web applications.

This is an onsite role (5 days/week) with performance incentives for delivering complete project milestones on or before deadlines.

Candidates with experience in AI Voice Agents, Retell AI, Vapi, or automation systems (n8n, LangChain, etc.) will be highly preferred.

Important: Frontend-only developers should not apply. This position requires backend-first, full stack capabilities with Responsibilities

  • Develop, deploy, and maintain scalable (Express/NestJS) APIs and backend services.
  • Build integrations with external APIs (Twilio, Retell, Vapi, OpenAI, Supabase, etc.).
  • Design and optimize database schemas in MongoDB or PostgreSQL.
  • Develop responsive, maintainable frontend interfaces using or when needed.
  • Implement authentication, authorization, and secure API communication.
  • Work with AI/automation tools (e.g., LangChain, n8n, Retell AI, Vapi, OpenAI APIs) to build intelligent agents and workflows.
  • Collaborate with design and product teams to scope features and ensure high-quality delivery.
  • Write clean, testable, well-documented code and follow Git-based CI/CD workflows.

Required Skills

  • 1–3 years of professional experience in / Express / NestJS development.
  • Strong understanding of API architecture, async programming, and microservices.
  • Experience with MongoDB or PostgreSQL, including data modeling and query optimization.
  • Familiarity with or for building modern UIs.
  • Knowledge of authentication (JWT/OAuth), error handling, and state management.
  • Strong debugging skills and ability to handle production-level performance issues.
  • Proficiency with Git, GitHub Actions, or similar CI/CD tools.

Nice to Have

  • Hands-on experience with AI Voice Agents (Retell AI, Vapi, Twilio).
  • Worked on automation systems (n8n, LangChain, Supabase, OpenAI, etc.).
  • Familiarity with webhooks, queues, and background jobs.
  • Knowledge of Docker or AWS Amplify / Lambda deployment pipelines.
  • Exposure to AI chatbots, agent frameworks, or speech-to-text integrations.

Mindset We Value

  • Strong ownership and accountability for end-to-end delivery.
  • Passion for learning new technologies, especially in AI and automation.
  • Product-focused mindset - cares about user experience, performance, and reliability.
  • Clear communication, teamwork, and problem-solving attitude.

Compensation

  • Competitive, market-aligned salary.
  • Incentives for on-time or early milestone completion.

Work Schedule

  • Onsite, Monday to Friday (5 days/week).

Notes

  • Candidates with backend + automation/AI experience will be prioritized.
  • Shortlisted applicants will complete a practical task reflecting real-world project requirements.
  • Frontend-only applicants will not be considered.

Job Type: Full-time

Pay: Rs70, Rs110,000.00 per month

Work Location: In person

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