About Abu Bakar
English
Native or bilingual
Experience
- nextbike.deSenior Software EngineerMarch 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
- Fotograf.deSenior Software EngineerJuly 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
- Contortion.deBackend DeveloperJune 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.
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Education
- Cybersecurity Training ProgramMasterschool2024Gained 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 scienceMansoura University2009Computer science