Doszhan
Kalibek Doszhan
Kalibek

Full Stack Developer. Focused on achieveing business goals

About Me

Software Engineer based in Berlin

During my work in companies of various sizes I gained the knowledge how to run projects.

I am not fixed to one type of solution. Projects have different requirements to security, scalability, customizability, budget and deadline. Every case should be solved using optimal tools.

My main focus is to deliver features with predicted pace and to be sure about reliability of the implementation.

12

Years of
Experience

SKILLS

  • Backend

    • PHP (Symfony & Laravel)
    • Node.js (Express)
    • Java (Spring)

    01

  • Frontend

    • React
    • Vue.js
    • Sass

    02

  • AWS

    • ECS, EC2, Lambda
    • CloudWatch
    • RDS, DynamoDB
    • S3
    • SNS, SQS
    • CodePipeline, CloudFormation
    • API Gateway
    • CodeCommit, Secrets Manager

    03

  • Tools

    • Linux based server
    • Git, CI/CD, webhook
    • Sentry (error monitoring)

    04

  • Workflow

    • Agile: Scrum
    • Agile: Kanban

    05

  • Languages

    • Deutsch: A1
    • English: C1
    • Kazakh: native

    06

Some Projects

  • API for online payments

    For Kazkommertsbank

    SOAP API for the second largest online payment platform in Kazakhstan.

    Task:

    Develop API with the following functions:
    • payment authentication (supports 3DSecure/SecureCode)
    • accept or refuse payment
    • refund payment
    • P2P transfer
    • check payment status
    • setup recurring payment
    • generate and download reports

    Implementation:

    • SOAP API developed using Axis2 library
    • digital signature algorithm
    • load balancer
    • Java EE, Tomcat, Oracle SQL
    • PCI DSS compliance

    Key notes:

    • from 0 to 300k requests per day
    • developed almost from scratch

  • In-house app

    For debt collection agency

    App that make easy tree-like 13 steps procedure

    Task:

    Develop in-house app with the following functions:
    • form that allows to external users to create a debt case
    • manage all cases and make them go through the stages
    • automatic official papers generation (notification letter, pre-trial letter, judicial letter)

    Implementation:

    • Backend: PHP with Laravel
    • Frontend: React
    • AWS

  • iOS app

    For home maintenance company

    Task:

    Develop iOS app with the following functions:
    • allow residents to schedule an appointment
    • catalog of service calls
    • update status of project

    Implementation:

    • iOS app
    • Backend: PHP with Laravel

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