Senior MERN Stack Developer I Karachi I Full-time
1 day ago
We're Hiring – Full Stack Back-End Developer (MERN)
Karachi | Full-Time | 3–5 Years Experience | Immediate Joining
CollabEZ is a fast-growing
software & digital solutions company
with a delivery center in Karachi. We're looking for a strong
Backend-Focused MERN Developer
to join our team and build robust, scalable systems for international projects across web, mobile, and AI-powered SaaS products.
What You'll Do
- Design & develop
scalable backend systems
using
, Express, and MongoDB - Build and optimize
REST APIs & GraphQL endpoints - Work with
database schemas, queries, and indexing
for high performance - Integrate
third-party APIs and payment gateways - Collaborate with frontend engineers (
) to deliver features end-to-end - Write
clean, testable, reusable code
and participate in code reviews
What We're Looking For
- 3–5 years MERN experience
(backend-heavy) with a degree from a reputable university - Strong in
, , MongoDB, API design, authentication, security - Solid understanding of
data structures, algorithms, and system design - Experience with
asynchronous programming, queues, and performance optimization - Familiarity with
GitHub & version control workflows - Bonus:
TypeScript, Redis, message queues (BullMQ/RabbitMQ), microservices
What We Offer
- Competitive salary (based on experience)
- Challenging backend-heavy projects with growth opportunities
- Collaborative team environment
- Exposure to international projects & AI-driven SaaS products
This is an immediate joining position. Do not apply if you can't join in 3 days.
Send your CV and Cover Letter to
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