Sina Haseli

Back End Developer at TashilCar
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Contact Information
Location
Tehran, Tehran Province, Iran, IR
Languages
  • Persian -
  • English -

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5.0

/5.0
/ Based on 2 ratings
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Mohsen Bagheri

Overall, Sina was a pleasure to work with and I have qualms recommending him to anybody looking for an excellent Backend developer.

Helia Marami

I had this opportunity to work with Sina in same team. Sina was always reliable and professional, and at stressful times he was a positive influence on all of us. Overall, Sina was a pleasure to work with and I have no daubt recommending him to anybody looking for an excellent Back-end position.

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Experience

    • Iran
    • Financial Services
    • 1 - 100 Employee
    • Back End Developer
      • Jul 2022 - Present

      • Developed a report service that efficiently gathered essential data required by the admin from various internal and external sources. The service also involved integration with third-party services like Saman Bank to retrieve additional data. • Designed and implemented a ticket platform that served as a communication channel between users and admins. • Created an HTML generator that dynamically produced customized contracts for users. • Developed a report service that efficiently gathered essential data required by the admin from various internal and external sources. The service also involved integration with third-party services like Saman Bank to retrieve additional data. • Designed and implemented a ticket platform that served as a communication channel between users and admins. • Created an HTML generator that dynamically produced customized contracts for users.

    • Brazil
    • Retail
    • Back End Developer
      • Jan 2022 - Jul 2022

      • Create a provider service with nestjs to get information from third parties such as finnotech. • Develop a middleware for validating and decoding tokens and putting them in requests. • Create a microservice using NestJs to receive information from Binance and store it in Redis (using redis as an inline cache) to get 4-10ms response time. • To watch Tron network transactions and withdraw TRX, develop a NestJs application . • I also have experience with docker, docker-compose, and kubernetes. Tech in-use: NodeJS, NestJS, PostgresDB, Redis, docker, docker-compose, kubernetes, typeOrm, Blockchain. Show less

    • Iran
    • Wholesale
    • 1 - 100 Employee
    • Back End Developer
      • Jan 2021 - Dec 2021

      • Developed various prototype applications using NestJs. • Redesigned and remodeled Database ahanOnline site using NestJs and PostgresDB, which increased performance by 35%. • Designed and implemented a new project with NestJs and PostgresDB, integrating Kafka with CRM so that data in the project could be automatically updated. • The crawler products are assigned to the base products so they are automatically updated, and then eliminate the bottleneck of response time so that at the end of the process, 55% of the response time is reduced. • Using Redis caching for faster response times of 4s to 10ms. Tech in-use: NodeJS, NestJS, Kafka, RabbitMQ, PostgresDB, Redis. Show less

    • Iran
    • Technology, Information and Internet
    • 700 & Above Employee
    • Customer Tech Support
      • May 2019 - Jan 2021

Education

  • Islamic Azad University
    Bachelor's degree, Information Technology
    2015 - 2019

Community

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