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Skills

  • API
  • Programming
  • App Development
  • JavaScript
  • Software Development
  • App & Mobile Programming
  • Mobile App Marketing
  • Object-Oriented Programming
  • Python
  • Mobile App Development
  • Payment Gateway Integration
  • React Native
  • Cloud Computing
  • Node.js
  • Software Testing

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Services

  • Innovative Full-Stack Developer

    $30/hr Starting at $500 Ongoing

    Dedicated Resource

    A versatile Full-Stack Developer with a proven track record of delivering high-quality web applications that blend robust back-end infrastructures with intuitive front-end experiences. With expertise...

    APIAPI DevelopmentApp DevelopmentApple DevelopmentAutomation Engineering

  • Senior DevOps Engineer

    $35/hr Starting at $100 Ongoing

    Dedicated Resource

    As a seasoned Senior DevOps Engineer, I bring a wealth of expertise in orchestrating seamless integration between development and operations, catalyzing transformative shifts in software delivery pipelines...

    Artificial IntelligenceAutomation EngineeringAWSAzureCloud Computing

  • Dolibarr ERP Expert | ERP Consultant

    $30/hr Starting at $1K Ongoing

    Dedicated Resource

    Are you looking for a Dolibarr ERP expert to customize, develop, or optimize your ERP system to match your business workflows perfectly? You've landed in the right place! šŸ‘‹ Hi, I'm a seasoned ERP Developer...

    DolibarrERPERP DevelopmentERP SoftwareHTML

  • Flutter & Firebase Expert

    $25/hr Starting at $200 Ongoing

    Dedicated Resource

    Iā€™m a seasoned Flutter developer with deep expertise in building high-performance, cross-platform mobile applications backed by powerful Firebase integrations. From responsive UI design to real-time data...

    App & Mobile ProgrammingApp DevelopmentFirebaseFlutterMobile App Marketing

  • Django/DRF development

    $30/hr Starting at $1K Ongoing

    Dedicated Resource

    5+ years of experience in Python/Django/DRF Work with stakeholders and fellow developers. Design and implement Python code using the Django framework. Identify and fix bottlenecks that may arise from...

    Amazon Web ServicesAPIBackend DevelopmentDjangoDjango Rest Framework

  • Java Spring Boot Expert

    $40/hr Starting at $1K Ongoing

    Dedicated Resource

    - Proficiency in Java Programming language. - Strong Understanding of object-oriented programming principles. - Expertise in developing applications using the Spring Boot framework. - Knowledge of Spring...

    APIAPI DevelopmentJavaObject-Oriented ProgrammingProgramming

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About

Full Stack Software engineer

I am Oleg Teslenko, a software engineer with 9 years of full stack development experience.
I'm a senior-level, full-stack web developer who works with a flexible stack of frontend and backend technologies and has a deep understanding of best practices for web application architecture.
I believe in offering premium quality work to win long-term relationships with clients. I'll put my heart and soul into whatever work is assigned to me to meet your expectations.
My goal is to always perform at an exceptional level for all project that I will work.
I strive to delight my clients with every project I undertake, and I would love to do the same for you.
These are my main skills and responsibilities

ā€¢ Design, develop, and test web and mobile applications.
. Infrastructure architecture, and management for the application.
ā€¢ Writing maintainable and scalable code.
ā€¢ Collaborate with Customers directly to imagine, design, develop, test, and launch the software.

- Front-end: React.js, Vue.js, Angular, Nuxt.js, Next.js, Gatsby.
- Back-end: Python, Django, Node.js, Nest.js, Ruby on Rails, Serverless framework
- Mobile: React Native, Ionic, Kotlin, Swift, Xamarin, Java
- AWS, GCP, Azure, Digital Ocean

Work Terms

Full Time Available
40-50 hours per week