Technical Lead (Full Stack & AI)

Sapphire Consulting Services (Pvt) Ltd.; Karachi Division; On-site; PKR 1,800,000 - 2,500,000; Full time

Benefits offered by this job

CI/CD & Docker

AI governance

Job summary

Sapphire Consulting Services (Pvt) Ltd. seeks an experienced Lead Full-Stack Architect to own architecture, quality, and delivery of web applications. You will lead developers, align with BAs and QA, and guide responsible AI usage in development and products.

You will design, build, and secure APIs, databases, and services, enforce coding standards, mentor agile teams, and supervise performance tests with a focus on security and scalable architecture.

Qualifications

• Master's or Bachelor's degree in Computer Science or a related field.

Responsibilities

• Lead design, development, and deployment of full-stack applications.
• Set architecture and coding standards; enforce through code reviews.
• Design and optimize SQL and NoSQL databases.
• Build and secure REST, SOAP, and GraphQL services.
• Implement OWASP-aligned security (MFA, JWT, session handling).
• Optimize queries and code; plan and run load tests.
• Maintain technical documentation.
• Manage and mentor the team in Agile/Scrum.
• Collaborate with BA and QA teams.
• Define guidelines for AI-assisted development and integrate AI features with proper controls.

Skills

Full stack

Leadership

Agile/Scrum

Team mentoring

AI integration

Security

SQL/NoSQL

API design

Code reviews

Load testing

Documentation

Education

Bachelor's in CS

Master's preferred

Tools

Node.js

Express

React

Next.js

PHP

Laravel

SQL

NoSQL

REST

SOAP

GraphQL

MFA

JWT

Docker

Job description

Own the architecture, quality, and delivery of our web applications. Lead developers, work closely with Business Analysts and QA, and guide the responsible use of AI in our development and products.

Responsibilities

• Lead design, development, and deployment of full-stack applications
• Set architecture and coding standards; enforce through code reviews
• Design and optimize SQL and NoSQL databases
• Build and secure REST, SOAP, and GraphQL services
• Implement OWASP-aligned security (MFA, JWT, session handling)
• Optimize queries and code; plan and run load tests
• Maintain technical documentation
• Manage and mentor the team in Agile/Scrum
• Collaborate with BA and QA teams
• Define guidelines for AI-assisted development and integrate AI features with proper controls

Required Skills

• Full stack: Node.js, Express, React, Next.js, PHP, Laravel
• Databases: SQL and NoSQL design, stored procedures, materialized views, triggers, indexing, constraints, connection pooling
• APIs: REST, SOAP, GraphQL with advanced security
• Security: OWASP, MFA, JWT, secure session handling
• AI: Vibe coding with human review, guardrails and boundaries, prompt injection defense, token and cost optimization, LLM integration (RAG, embeddings)
• Practices: Query and code optimization, load testing, technical documentation
• Leadership: Team management, BA/QA collaboration, Agile and Scrum

Nice to Have

• DevOps (CI/CD, Docker, cloud)
• AI agents or MCP/tool integrations

Qualification

Master's or Bachelor's degree in Computer Science or a related field.