Senior Full Stack Developer

22 hours ago

Lahore, Punjab, Pakistan WALEE Full time 1,200,000 - 2,400,000 per year

About the Role:

We are looking for a highly skilled and experienced
Senior Full Stack Developer
with strong expertise in the
MERN (MongoDB, , , )
stack and

for building scalable, high-performance web applications. This role requires an innovative problem-solver who can handle large datasets, optimize user journeys, and ensure seamless integrations across systems and partners.

You will work closely with product, design, business, and DevOps teams to deliver robust, efficient, and user-friendly digital solutions Platforms.

Key Responsibilities:

  • Design, develop, and maintain responsive, scalable, and high-performing web applications using the
    MERN stack
    with

    for server-side rendering and optimized performance.
  • Build, optimize, and maintain APIs for voucher issuance, payment gateways, and third-party integrations.
  • Manage and streamline data flow between internal systems, external partners, and CRMs such as
    HubSpot
    .
  • Implement efficient data models and structures to handle large datasets, ensuring speed, reliability, and scalability.
  • Collaborate cross-functionally with product managers, designers, and QA teams to translate business requirements into robust technical solutions.
  • Optimize frontend performance to deliver smooth user journeys, fast search flows, and seamless checkout experiences.
  • Ensure system scalability, uptime, accessibility, and security across all products.
  • Support QA and DevOps during testing, deployment, and continuous delivery cycles.
  • Stay current with emerging technologies, frameworks, and best practices, and proactively recommend improvements to system architecture and workflows.
  • Mentor and guide junior developers to promote a culture of technical excellence and continuous learning

Requirements:

  • 6–7 years of professional experience in
    Senior
    Full Stack Developer
    using
    MERN (MongoDB, , , )
    .
  • Proven expertise in

    , including server-side rendering (SSR), static site generation (SSG), and performance optimization techniques.
  • Strong proficiency in
    JavaScript (ES6+)
    ,
    TypeScript
    ,
    HTML5
    , and
    CSS3
    .
  • Experience in building and consuming
    RESTful APIs
    and integrating third-party or external services.
  • Strong background in
    database design
    and
    data modeling
    , particularly with
    MongoDB
    and large datasets.
  • Familiarity with
    cloud environments (AWS, Azure, or GCP)
    and deployment pipelines (
    CI/CD
    ).
  • Solid understanding of
    web performance optimization
    ,
    security best practices
    , and
    cross-browser compatibility
    .
  • Experience with
    version control systems (Git)
    and
    Agile/Scrum
    methodologies.
  • Strong analytical, problem-solving, and debugging skills.
  • Excellent communication, teamwork, and time management abilities.

Preferred Qualifications:

  • Knowledge of
    GraphQL
    and its integration within MERN applications.
  • Hands-on experience with
    Docker
    ,
    Kubernetes
    , or
    containerized deployments
    .
  • Familiarity with
    DevOps practices
    and automated deployment pipelines.
  • Experience implementing
    regional UI/UX variations
    for diverse markets.
  • Exposure to additional frontend frameworks such as

    or
    Angular
    .

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