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Boris Mazajev

@borismazajev

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Technical Lead specializing in Shopware 6 eCommerce, PHP, Vue, and RESTful systems.

Germany

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What I'm looking for

I’m looking to lead eCommerce and backend projects where I can build secure, testable PHP services, collaborate through code reviews, and own integrations end-to-end with clear goals and fast feedback.

I’m a Lead Software Developer focused on building and evolving Shopware 6–based eCommerce systems for both B2C and B2B. I specialize in PHP, Vue.js, and RESTful architectures, and I enjoy turning complex requirements into maintainable, well-structured features.

Since 06/2022, I’ve been a technical lead at valanticCEC Deutschland GmbH in Langenfeld, driving the development of Shopware 6 eCommerce platforms for B2B and B2C. I implement Shopware plugins and I integrate interfaces inside Shopware—translating business needs into reliable integrations while keeping quality high under pressure.

Earlier, at EuroPaymentGroup GmbH, I worked as a Senior Software Developer from 01/2018 to 05/2022 on payment service provider development. I implemented payment methods with PHP, VueJS, and Zend (Credit cards, Direct Debit, PayPal, Klarna, and more), ensuring dependable behavior and clean, testable code.

Before that, I delivered full web and portal development work using PHP and Symfony, alongside JavaScript and jQuery, including testing and documentation. I bring a strong engineering mindset grounded in code-review, CleanCode, KISS and DRY principles, unittesting with Infection testing, and secure coding practices influenced by OWASP Top 10 and PCI DSS requirements.

Experience

Work history, roles, and key accomplishments

Current

Lead Software Developer

Current

valantic CEC Deutschland GmbH

Jun 2022 - Present (3 years 10 months)

Technical lead for the development of Shopware 6 eCommerce systems for B2C and B2B, building Shopware plugins and integrating interfaces. Led backend-focused implementation and integration work within the Shopware ecosystem.

Shopware PHP Vue.Js Plugin Development RESTful APIs Symfony Laminas OAUTH2 Redis RabbitMQ

Senior Software Developer

EuroPayment Group GmbH

Jan 2018 - May 2022 (4 years 4 months)

Developed payment service functionality using PHP, Vue.js, and Zend, integrating multiple payment methods including credit cards, Direct Debit, PayPal, and Klarna. Contributed to the implementation of backend and frontend payment-related components.

PHP Vue.Js Zend Framework Payment Integration Credit Cards PayPal Klarna API Integration

Software Developer

OnVista Bank GmbH

Apr 2015 - Dec 2017 (2 years 8 months)

Developed features for a financial portal using PHP, Symfony, JavaScript, and jQuery. Worked on web application development within a banking context.

PHP Symfony JavaScript jQuery Financial Portal Development Web Application Development

Web Developer

mediatransfer AG

Jan 2013 - Mar 2015 (2 years 2 months)

Conceived, developed, and delivered projects using PHP and JavaScript, including testing and documentation. Completed technical implementations end-to-end for web-related deliverables.

PHP JavaScript Software Testing Technical Documentation Project Development Web Development

Web Developer

OrangeHive GmbH

Mar 2012 - Dec 2012 (9 months)

Developed and implemented project-related code using PHP and JavaScript. Managed time and quality while delivering assigned development tasks.

PHP JavaScript Project Development Project Implementation Time Management Quality Management

Student Internship

Orion GmbH & Co. KG

Nov 2010 - Feb 2011 (3 months)

Worked on web application programming using PHP, JavaScript, MySQL, and MS-SQL during a student internship. Supported development tasks across both frontend and database-backed functionality.

PHP JavaScript MySQL SQL Web Application Development SQL Development

Web Developer Intern

Orion GmbH & Co. KG

Nov 2010 - Feb 2011 (3 months)

Programmed web applications using PHP and JavaScript, working with MySQL and MS-SQL databases to support application development.

PHP JavaScript MySQL SQL Web Application Development Relational Databases

Working Student

Alternate GmbH

Dec 2008 - Jul 2010 (1 year 7 months)

Prepared and assembled computer systems and handled procurement of goods. Supported operational setup by coordinating hardware preparation tasks.

Computer Systems Assembly Hardware Setup Procurement IT Operations Support

Computer Systems Intern

Atelco Computer Event GmbH

Jul 2006 - Jun 2007 (11 months)

Supported sales and customer consultations for computer systems, handling hardware/software installation, configuration, and troubleshooting.

Customer Support Hardware installation Installation System Configuration Troubleshooting

Intern

Atelco Computer Event GmbH

Jul 2006 - Jun 2007 (11 months)

Provided computer sales, customer consultation, and support, including hardware/software installation and system configuration. Performed troubleshooting for individual computer systems and configurations.

Customer Support Hardware installation Installation System Configuration Troubleshooting

Education

Degrees, certifications, and relevant coursework

Skillcast

Certificate, Information Security

2021 - 2021

Completed an online course on Information Security.

Udemy

Certificate, Web Application Hacking

2020 - 2020

Completed an online course on hacking of websites and web applications.

Technical University Hessen-Gießen

Bachelor, Informatics

Bachelor degree in Mathematics and Informatics with a focus on Informatics.

Udemy

Hacking of Websites and Web-applications (Certificate), Web Application Security

2020 -

Online course and certificate: Hacking of Websites and Web-applications.

Udemy

Cross-Site Scripting (XSS): The 2021 Guide (Certificate), Cross-Site Scripting (XSS)

2021 -

Online course and certificate focused on Cross-Site Scripting (XSS).

binsec academy GmbH

Secure Coding Training (Certificate), Secure Coding

2019 -

Secure Coding Training focused on finding and fixing multiple security vulnerabilities in web application source code. Covered OWASP Top 10 and PCI DSS secure coding requirements.

binsecacademy GmbH

Certificate, Secure Coding

2019 - 2019

Completed a Secure Coding training certificate. Practiced finding and fixing multiple security vulnerabilities in web application source code and reviewed OWASP Top 10 and PCI DSS secure coding requirements.