Senior Web Application Developer

2 days ago

Kolkata, West Bengal, India Black Box Full time ₹ 15,00,000 - ₹ 25,00,000 per year

Role Overview
JOB DESCRIPTION
As a
Senior Web Application Developer
, you will design, develop, and maintain high-performance web applications. You will work on
backend APIs, database design, and real-time communication systems
to support IoT-based applications. You will also collaborate with
frontend developers, DevOps engineers, and product teams
to build scalable, secure, and high-availability applications.

Key Responsibilities

  • Develop and maintain web applications using PHP (CodeIgniter, Laravel) and
  • Design and optimize database schemas using PostgreSQL, MariaDB, or MySQL.
  • Develop and integrate RESTful APIs, WebSockets, and real-time messaging protocols like MQTT, STOMP, and AMQP.
  • Implement NoSQL solutions (MongoDB, Redis, Cassandra, or DynamoDB) for high-performance data storage.
  • Work with IoT protocols and data ingestion pipelines for connected devices.
  • Optimize application performance, scalability, and security.
  • Write clean, maintainable, and well-documented code following best practices.
  • Collaborate with frontend developers to build full-stack applications.
  • Implement unit testing, integration testing, and automated deployment pipelines.
  • Debug and troubleshoot complex application and server-side issues.
  • Stay up-to-date with the latest web development technologies, frameworks, and security practices.

Required Skills & Experience

  • 5+ years of experience in web application development.
  • Strong expertise in PHP frameworks (CodeIgniter, Laravel).
  • Hands-on experience with and asynchronous programming.
  • Proficiency in relational databases like PostgreSQL, MariaDB, or MySQL.
  • Experience in real-time data communication using MQTT, STOMP, or WebSockets.
  • Strong understanding of RESTful API development and microservices architecture.
  • Knowledge of NoSQL databases (MongoDB, Redis, or Cassandra).
  • Familiarity with authentication and authorization protocols (JWT, OAuth, API Keys).
  • Experience with Docker, Kubernetes, and cloud platforms (AWS, Azure, GCP) is a plus.
  • Understanding of Linux environments, shell scripting, and server administration.
  • Strong problem-solving and debugging skills.

Good To Have

  • Previous experience in developing IoT applications involving device management, telemetry, and real-time analytics.
  • Knowledge of IoT protocols such as CoAP, LoRaWAN, Zigbee, or WebRTC.
  • Experience with Apache Kafka, RabbitMQ, or other message brokers.
  • Hands-on experience with GraphQL APIs.
  • Familiarity with CI/CD pipelines, Git workflows, and DevOps best practices.

  • Senior Web Application Developer

    7 days ago

    Kolkata, West Bengal, India Black Box Careers Full time ₹ 5,00,000 - ₹ 12,00,000 per year

    Role Overview:As a Senior Web Application Developer, you will design, develop, and maintain high-performance web applications. You will work on backend APIs, database design, and real-time communication systems to support IoT-based applications. You will also collaborate with frontend developers, DevOps engineers, and product teams to build scalable, secure,...

  • Senior Web Developer

    2 days ago

    Kolkata, West Bengal, India Ginteja Insurance Brokers Full time ₹ 5,00,000 - ₹ 10,00,000 per year

    We Are Promoted by Shyam Steel Industries and Sastasundar Group. We are seeking a full-stack Sr. Web Developer to join our growing development team. You will be responsible for designing, developing, and maintaining web applications.Health insuranceProvident fundLeave encashment

  • Web Developer

    1 day ago

    Kolkata, West Bengal, India Bonzer Business Solutions Pvt Ltd. Full time ₹ 9,00,000 - ₹ 12,00,000 per year

    Keys responsibilities:Develop and maintain web applications using PHP Laravel framework.Write clean, efficient, and well-documented code.Knowledge of Full life cycle application development.Knowledge of working with GitHub.Stay up-to-date with the latest trends and technologies in web development.

  • Web Developer

    2 weeks ago

    Kolkata, West Bengal, India KJV Full time ₹ 6,00,000 - ₹ 12,00,000 per year

    Company DescriptionWe suggest you enter details here.Role DescriptionThis is a full-time on-site role for a Web Developer located in Kolkata. The Web Developer will be responsible for both Back-End and Front-End Development tasks, as well as programming and web design.QualificationsBack-End Web Development and Programming skillsFront-End Development and Web...

  • Sr. Web Developer

    7 days ago

    Kolkata, West Bengal, India Radikal Labs - Web, Game & Mobile App Development Company Full time ₹ 1,04,000 - ₹ 1,30,878 per year

    Sr. Web Developer 5 Years or aboveKeyskills: HTML5 , Javascript , AngularJS , CakePHP , CodeIgnitor , PHPDesired ProfileExcellent knowledge of PHP, MySQL, JavaScript, JQuery, AJAX, XML.Excellent knowledge of Web Services (SOAP and REST services).Excellent knowledge of PHP MVC architecture and OOP programming style.Excellent knowledge of RDBMS...

  • Web Consultant

    2 weeks ago

    Kolkata, West Bengal, India JR Technologies web Pvt Ltd Full time ₹ 84,000 - ₹ 4,20,000 per year

    Job Summary:The Web Consultant will be responsible for engaging with business owners via phone and email to present and explain the company's digital services. This role requires a proactive approach to client acquisition and relationship management.Key Responsibilities:Conduct research to identify potential clients through online platforms, cold calling,...

  • Web Development Team Lead

    7 days ago

    Kolkata, West Bengal, India Brainware University Full time ₹ 15,00,000 - ₹ 25,00,000 per year

    Webguru Infosystems (sister concern of Brainware University) is an ISO 9001:2015-certified global digital solutions provider with more than 100 full-time developers. For the last 20 years, we have been transforming global businesses by delivering cost-effective, customized, and scalable solutions. We focus on cutting- edge web, mobility technologies and...

  • PHP Web Developer

    1 day ago

    Kolkata, West Bengal, India WEBINGO INFOTECH SOLUTIONS Full time ₹ 1,80,000 - ₹ 3,60,000 per year

    Job Title: CodeIgniter PHP Developer (Contractual Project)Location: Remote/On-site (as per requirement)Duration: Minimum 1 Month – Maximum 6 Months (Contractual Basis)About the Role:We are looking for an experienced CodeIgniter PHP Developer to work on a contractual project. The developer will be responsible for building, customizing, and optimizing web...

  • Web Developer

    1 day ago

    Kolkata, West Bengal, India Brand Consultancy Full time ₹ 1,20,000 - ₹ 1,80,000 per year

    We're Hiring: Web Developer – Kolkata (Full-Time) Looking to grow your career as a Web Developer? If you have hands-on experience with HTML, CSS, JavaScript, jQuery, PHP, MySQL, and WordPress, we'd love to have you on our team in Kolkata. Please note: This is a full-time position, not an internship or part-time role.Job Role: Web DeveloperLocation:...

  • Application Developer

    2 days ago

    Kolkata, West Bengal, India Arohan Full time ₹ 5,00,000 - ₹ 8,00,000 per year

    Job DescriptionJOB SUMMARYWe are looking for a developer to augment the tech capabilities with respect to development of complementary tools for existing applications by using next generation development tools.Design, develop, test, and deploy scalable and robust software applications. Collaborate with cross-functional teams including designers, product...