Sajjad Ahmed

Sajjad Ahmed

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Fullstack Developer @Confiz | Spring Boot, Angular & Azure
Pakistan
Contact Sajjad regarding: 
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Full-time jobs
Starting at USD965/month

Timeline

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Résumé

Jobs verified_user 0% verified
  • Confiz
    SoftwareEngineer
    Confiz
    May 2025 - Current (1 year 1 month)
    Working as a Full Stack Developer on a taxation-related application usingAngular (frontend) andSpringBoot(backend). Designed and developed scalable microservices deployed on Microsoft Azure, leveraging variousAzureservicesLikeAzureDevops. Implemented Apache Kafka for asynchronous communication between services, ensuring high-throughputandfault-tolerantdatapipelines. Built responsive and interactive UI componentswith Angular, enhancing userexperience and applicationperformance. UtilizedWSO2API Managerforratelimitingandthrottling,effectivelymanagingAPItrafficand ensuringsystemstability. IntegratedELKStack(Elasticsearch,Logstash,Kibana)forcentralizedlogging,enablingefficient monitoring,debugging,andanalytics.
  • V
    Software Engineer
    Volmatica
    Jul 2024 - May 2025 (11 months)
    Designed and implemented authentication and authorization mechanisms using Keycloak within a multi-tenant, service-based architecture for a medical application. Worked extensively with payment gateway integrations, including JPMorgan's InstaMed, Bank of America, and Orbipay, by developing generic batch jobs to process End-of-Day (EOD) files from payment gateway vendors. Leveraged Apache Kafka to streamline letter generation and invoice generation processes, ensuring efficient data communication and processing. Managed and maintained databases, working with both DB2 and PostgreSQL to handle diverse and complex data needs. Implemented Google reCAPTCHA v3 to enhance security and prevent spam.
  • I
    Junior Software Engineer
    IConsult
    Nov 2023 - May 2024 (7 months)
    Developed and maintained backend components of web applications using Spring Boot within a microservices architecture. Worked with Spring Data JPA for database management and implemented CRUD operations. Gained experience with Spring Security by implementing basic authentication and authorization to enhance application security. Built and consumed RESTful APIs to enable seamless communication between microservices.. Integrated RabbitMQ for message-based communication between services, ensuring reliable and scalable data exchange.
  • Red Buffer
    Intern
    Red Buffer
    Jul 2023 - Aug 2023 (2 months)
    Developed basic RESTful APIs using Node.js, ensuring efficient backend communication for web applications. Designed and implemented component-based user interfaces using Angular 16, improving modularity and maintainability of the front-end.
Education verified_user 0% verified
  • S
    Bechlor of Computer Science
    SZABISTUniversity,Islamabad
    Sep 2019 - Sep 2023 (4 years 1 month)