Bdjobs

MERN Stack Developer (Mid-Senior)

Fleek Bangladesh

Deadline: September 13, 2025

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Job Summary

Vacancy: --

Salary: Negotiable

Age: Na

Experience: 3 to 7 years

Location: Dhaka (DOHS Baridhara)

Published: August 17, 2025

Requirements

Education

Bachelor of Science (BSc) in Computer Science & Engineering
Bachelor of Science (BSc) in Mathematics
Bachelor of Science (BSc) in Computer Science
Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience.

Experience

3 to 7 years

Additional Requirements

Experience: 3–5 years in professional web application development, including at least 1+ years in enterprise-grade MERN projects.
Strong problem-solving skills with a focus on clean, maintainable, and scalable code. Familiarity with Agile/Scrum methodologies.
Ability to work under pressure and meet tight deadlines without compromising quality.
Excellent communication skills in English (written and verbal).Capability to lead a small team and coordinate tasks effectively.

Required Skills

Frontend: React.js (Hooks, Context API), Redux Toolkit/MobX, Tailwind CSS/SASS, Formik + Yup, Next.js.
Backend: Node.js, Express.js, REST, GraphQL (Apollo), authentication systems, Helmet.js, CSRF protection, rate limiting.
Databases: MongoDB (aggregation, indexing), MySQL/PostgreSQL, Redis. Testing & Tools: Jest, React Testing Library, Git, Docker, Kubernetes basics, CI/CD pipelines, monitoring tools (New Relic, Sentry).
Additional Tools: WebSockets/Socket.io, PDFKit, Excel/CSV processing, payment gateway integration.

Bonus Skills:

Laravel APIs, Blade templating, Eloquent ORM, legacy system maintenance, migration from Laravel to MERN.
Bonus Skills (Nice to Have)Experience with Next.js for server-side rendering Familiarity with PHP Laravel (Priority Plus)Experience with deploying mobile apps on Google Play Store and Apple App Store Experience with integrating Push Notifications, Deep Linking, and other mobile-specific features

Responsibilities & Context

Job Context

Fleek Bangladesh is a fast-growing IT company delivering high-quality enterprise solutions to clients in the USA, Europe, and beyond. Our projects range from high-traffic service platforms, e-commerce platforms to multi-tenant SaaS products and complex ERP systems. We’re looking for a Mid-Senior MERN Stack Developer who can take ownership of development tasks, contribute to architectural decisions, and mentor junior developers while ensuring international development standards.

This role involves working on full-stack development—from building optimized REST/GraphQL APIs to delivering dynamic, responsive front-end UIs. Experience with PHP/Laravel for legacy integration and migration projects will be an added advantage.

Job Responsibilities

Core Development

Design, develop, and maintain enterprise-grade applications using the MERN stack (MongoDB, Express.js, React.js, Node.js).
Create and optimize RESTful APIs and GraphQL endpoints following JSON:API and Apollo best practices.
Build secure authentication and authorization systems (JWT, OAuth 2.0, session management).
Implement advanced database queries, aggregation pipelines, and indexing in MongoDB; manage relational data in MySQL/PostgreSQL.
Integrate caching layers using Redis for performance optimization.
Develop SSR/SSG applications with Next.js for high SEO performance.
Build real-time features using WebSockets/Socket.io.

Project-Specific Implementations

Develop high-traffic, multi-vendor e-commerce platforms with integrated payment gateways (Stripe, PayPal, etc.).
Implement ERP modules (CRM, inventory, accounting) with scalable architectures.
Integrate third-party APIs for shipping, SMS, and email notifications.
Process and generate reports in PDF (PDFKit, React-PDF) and Excel/CSV formats.

Legacy System Integration

Maintain and enhance existing PHP/Laravel-based systems.
Migrate features and data from PHP/Laravel applications to the MERN stack.
Collaborate with backend teams for API harmonization.

Quality Assurance & DevOps

Write unit and integration tests using Jest and React Testing Library.
Utilize Docker/Kubernetes for containerized development and deployment.
Implement CI/CD pipelines using GitHub Actions or Jenkins.
Monitor application health with tools like New Relic or Sentry.

Team Leadership & Collaboration

Guide junior developers with code reviews, technical feedback, and mentoring.
Collaborate with UI/UX designers, QA teams, and business analysts.
Participate in sprint planning, backlog grooming, and project retrospectives.
Communicate effectively with international clients for requirement clarification and updates.