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Abu Bakar AhmadAB

Abu Bakar Ahmad

PHP Developer

€125/day
Berlin, DE
8-15 years

Average response time: 1 hour

About Abu Bakar

I create solid, professional websites using WordPress, Laravel, and Symfony, combining custom design and powerful functionality. From selecting the right hosting provider to configuring essential plugins, I ensure fast, secure, and fully responsive sites tailored to each client's needs. I handle everything from theme development to performance optimization, SEO setup, and plugin integration, including security, caching, and contact forms. I deliver clean, scalable solutions that look great and perform flawlessly across all devices. Quality, stability, and usability are my top priorities.
  • English

    Native or bilingual

Can work on-site
Berlin (up to 50km)

Experience

  • nextbike.de
    Senior Software Engineer
    March 2025 - Today (1 year and 3 months)
    Berlin, Germany
    • ● Introduced a story-point estimation model that improved sprint predictability by 25%
    • ● Introduced a new solution for the multi-polygon, which saved 30% of the deployment time of polygon geometry
    • ● Created automation scripts and implemented system observability with Grafana
    • ● Developed a new way of Identity verification via Stripe and IDnow third parties
    Symfony APIs JavaScript External API integration
  • Fotograf.de
    Senior Software Engineer
    July 2024 - October 2024 (3 months)
    Berlin, Germany
    • ● Automated VAT and compliance processes for the e-commerce platform
    • ● Integrated Klarna via Stripe, expanding customer base in Switzerland
    External API integration Symfony CMS Customization
  • Contortion.de
    Backend Developer
    June 2022 - June 2024 (2 years)
    Berlin, Germany
    • ● Tasked with overseeing inventory and coordinating order deliveries as part of the Fulfillment Team, which improved inventory management efficiency by 15%.
    • ● Optimized the RabbitMQ messaging system, increasing data transmission speed by 30% and improving overall system reliability
    • ● Led code reviews and testing, increasing overall team productivity by 10% and ensuring high-quality releases
    • ● Refactored and enhanced legacy code.
    • ● Created technical documentation that reduced new hire onboarding time by 25% and served as a comprehensive resource for cross-team collaboration.
    • ● Optimized asynchronous service-oriented architecture.
    • ● Saved revenue by automating the return and cancellation process.
    • ● Applied Domain-Driven Design (DDD) principles after completing a specialized course, improving system modularity and code clarity.
    • ● Managed containerized applications with Kubernetes and Helm, improving deployment reliability and scalability.
    Symfony RabbitMQ E-commerce

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Education

  • Cybersecurity Training Program
    Masterschool
    2024
    Gained hands-on experience in Networking, Operating Systems, Python, and engaged in real-world industry projects. Trained specifically for the CompTIA Security+ (SY0-601) Exam, with specialized couCourseske Splunk for Security Analytics and Firewall Administration. Acquired insights into Operationalizing MITRE ATT&CK, ISO 27001:2013 compliance, and TCP/IP security. Developed comprehensive IT support skills with dedicated training on Windows 10 and 11, Network Troubleshooting, and Help Desk fundamentals.
  • Computer science
    Mansoura University
    2009
    Computer science

Skill set

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