Full Stack Developer (MERN)
Codup
Date: 6 hours ago
City: Karachi
Contract type: Full time
About The Role
We are looking for a capable Full Stack Developer to join our delivery team on an active, AI-heavy product build. You will work across the full stack, building and integrating frontend interfaces in Vue.js and backend services in Node.js, while working closely with a senior developer and QA in a structured sprint environment.
A significant part of this role involves integrating with large language models and building AI-driven features, including RAG pipelines and vector search. This is a hands-on role for someone comfortable with modern JavaScript who takes ownership of their modules and has a genuine interest in AI-powered product development.
Must-have Skills
The following are non-negotiable. Every point will be assessed during the evaluation process.
The following are not required but will strengthen a candidate's profile for this engagement.
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We are looking for a capable Full Stack Developer to join our delivery team on an active, AI-heavy product build. You will work across the full stack, building and integrating frontend interfaces in Vue.js and backend services in Node.js, while working closely with a senior developer and QA in a structured sprint environment.
A significant part of this role involves integrating with large language models and building AI-driven features, including RAG pipelines and vector search. This is a hands-on role for someone comfortable with modern JavaScript who takes ownership of their modules and has a genuine interest in AI-powered product development.
Must-have Skills
The following are non-negotiable. Every point will be assessed during the evaluation process.
- 3+ years of hands-on full-stack JavaScript development experience
- Strong Node.js skills — REST API design, middleware, authentication flows, and async patterns
- Solid Vue.js — component architecture, state management (Pinia or Vuex), and client-side routing
- PostgreSQL — schema design, query writing, indexing, and database migrations
- Experience integrating with LLM APIs such as OpenAI or Anthropic
- Working knowledge of RAG (Retrieval-Augmented Generation) pipelines and vector database concepts (pgvector or equivalent)
- Git-based version control workflow (Bitbucket preferred)
- Strong written English — this is an async-first team with clear written communication standards
The following are not required but will strengthen a candidate's profile for this engagement.
- Experience building or maintaining multi-tenant SaaS applications
- Familiarity with transactional email services such as SendGrid or Amazon SES
- Exposure to AI agent frameworks, tool-calling patterns, or prompt engineering
- Background in content management, e-learning, or training platform development
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