Szymon Koniarek

Hello, I'm Szymon Koniarek

Front-end Development | Mobile | E-Commerce | IT Management

(+48)797 292 821
Wroclaw, Poland

About me

Enthusiastic self-starter, who contributes well to the team, with creative flair for project work.

Technology Stack
React & React Native
Penetration Tests



Hi, I am Szymon Koniarek, 24 year old Front-End Developer Freelancer and Defect Manager based in Wrocław.

The most important value in business for me is quality.

I will do my best to turn your Idea into successful, scalable product. Provided solution will be complex and personalised - to help your grow and expand.


I will be more than happy to help you in your case from the early stage of product design to security tests and maintenance. Also after maintenance stage I will provide you with my support if it will be needed.

Front End Development

Responsive One Pages and complex Websites, Progressive Web Applications, E-commerce solutions - Web Stores

Mobile Development

Cross-platform mobile application development with React Native framework

IT Security - Web & Mobile

I am constantly involving my skills in search of web & mobile applications vulnerabilities and penetration testing with Kali Linux. I am currently during training for Offensive Security Certified Professional exam. I will do my best to deliver fully secured products.

Defect Management

I am currently working as Defect Manager for Credit Agricole Poland, with more than 3 years of experience in software development, knowledge in field of Agile, Scrum methodology, Software Development Lifecycle and previous work experience in corporate finace I will be really exited to provide you with consulting services in this field. More content about Defect Management on my blog.

Responsive design

All my projects are designed mobile-first with clean and user-friendly UI.


After maintenance stage of the project, I will provide you with technical documentation for the product, and in case of any problems I will do my best to help you as soon as possible.

I'm currently open for remote positions and freelance work.

Let's talk Portfolio


My education and experience.


Master's degree - IT

Specialisation: Software Development

WWSIS Wroclaw

2017 - 2019


Front-end developer / freelancer

Intermediate HTML5,CSS3,Bootstrap

Pre-intermediate JavaScript, Angular 2,SQL


2015 - 2016

Java Trainee

Daily courses and tasks in field ofaz`: System architecture principals: Layered architecture, OASP, Micro-services Agile development principals Know-how of cooperative work with client, understanding of client’s needs. Implementation of functional and non-functional requirements to the project. Designing use-cases and whole epics for tests and project implementation Object-oriented programming Algorithmics & Java structures Code debugging and refactoring Writing unit tests with JUnit extension Test-driven development Basic knowledge in field of Spring framework: Using aspects and xml protocols Writing mock tests with Mockito framework


Oct 2016 - Nov 2016

IT Support Consultant - Web Application Support

Responsibilities: Supporting Financial Module of Agresso ERP System and Agresso Web Application Troubleshooting Daily work with SQL MS Server and Oracle Databases Answering customers queries via Salesforce platform Cooperating with different departments of UNIT4 System Administration Creating hot fixes and scripts for Agresso Web Application issues

Unit4 Poland

Apr 2017 - Nov 2017

Business Owner

Complex web & mobile development: - React & React Native, Vue.JS, HTML5 & LESS, Bootstrap v4, JS, Ecma Script 2017. Defect Management : - Defect Prevention - Establishment of milestones - Defect Resolution - Process Improvement - Tier Management Reporting

Szymon Koniarek Web Architecture and Management

Dec 2017- Present

Defect Manager

Responsibilities: The management and control of all defects within the in-house development environments. To own and chair daily defect calls and meetings with Tier Management, lead Development, Test and Operational Teams, and to provide clear minutes and actions. Definition, ownership and management of the Defect Process. Process improvement. Liaising with the Problem Management Team to ensure a clear and efficient interaction within overlapping processes, and to promote this with all customers. Ensuring all defects are entered correctly and controlled / managed as effectively as possible through their lifecycle. Maintaining absolute integrity of the defect database and ensuring a full audit trail for any changes made to defect status outside of the published defect process.

Credit Agricole Poland, B2B Contract via Core Services Poland

Dec 2017- Present

Contact me

  • Wrocław, Poland
  • 797292821