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Khalil OueslatiKO

Khalil Oueslati

Senior Software Engineer

€350/day
Munich, DE
8-15 years

Average response time: 1 hour

About Khalil

I am a passionate and results-driven Software Engineer and Lead Developer with extensive experience in web app development, software architecture and team leadership.

I have successfully delivered scalable, high-quality solutions across multiple industries including E-Commerce, Real Estate, Education, Booking Systems (Hotel, Travel, Restaurant), Healthcare, Insurance and SaaS platforms.

I graduated from University of Tunis El Manar in Tunisia and later completed my Master's degree from Tambov State University in Russia. My academic background, combined with years of hands-on development experience has given me strong technical expertise and a global perspective on software engineering.

From an early stage, I developed a deep interest in computer science and programming which naturally evolved into a professional career focused on building modern, efficient and user-friendly digital products.

Beyond development, I also have experience leading development teams, managing multiple tasks, mentoring developers and collaborating closely with clients to deliver successful products.

Over the years, I have successfully completed numerous large-scale apps, consistently delivering reliable solutions and achieving high client satisfaction.

I am always eager to learn new technologies, explore innovative solutions and contribute to impactful apps as both a developer and a technical leader.
  • English

    Fluent

  • French

    Fluent

  • Arabic

    Native or bilingual

  • German

    Conversational

Remote only
Primarily works remotely

Experience

  • OMMAX
    Lead Developer
    January 2026 - Today (5 months)
    Munich, Germany
    Leading technical development at a digital strategy consultancy operating across 13 countries — driving architecture decisions and delivering client-facing digital products.
    Angular API REST software architect PHP Tech Lead
  • My Healthy Box
    Founding Engineer
    January 2025 - December 2025 (11 months)
    Munich, Germany
    - Sole engineer — designed, built, and maintained the entire e-commerce platform end-to-end: storefront, checkout, fulfillment, and internal operations.

    - Integrated third-party APIs for payments, shipping, and product management, automating the full order lifecycle and eliminating manual workflows.

    - Built an internal tooling suite: real-time inventory tracking, order preparation automation, CRM, and sales/logistics dashboards for data-driven decisions.

    - Full ownership of architecture, deployment, security, and infrastructure — shipping features to production daily with zero handoffs.

    - Optimized platform performance and SEO, driving measurable gains in page speed, visibility, and customer engagement.
  • Giesecke+Devrient
    Senior Software Engineer
    July 2024 - November 2024 (4 months)
    Munich, Germany
    - Led team process optimization and cross-functional collaboration at a global security technology firm.

    - Developed full-stack features with Node.js, TypeScript, and React, building infrastructure for rapidly evolving project requirements.

    - Drove architecture decisions from UI to backend, partnering with tech leads to design robust, well-documented APIs.

    - Managed deployments on Azure with Docker and Kubernetes, ensuring reliable, scalable, and cost-effective services.

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Education

  • Master — Online Business
    Tambov State University
    2016
    Master — Online Business
  • Master — Computer Science
    El Manar University
    2013
    Master — Computer Science

Certifications

Skill set

Categories