English:
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Europe/Warsaw
Senior Full-stack Developer/ Tech Lead; ✅ 9 years in Web Development. ✅ Solid expertise in the development of CRMs, Web/App, ERP, SaaS...
8+ years of commercial experience in web development. I was involved in the development of products for popular startups, and I also created products for popular multi-billion dollar brands. Knowledge of Software Architectural Patterns. Advanced knowledge in developing scopes, keeping projects moving, submitting deliverables on time, and ensuring a seamless experience for all parties involved. Well-grown problem-solving, communication, and team management skills.
Want to hire this engineer?
Check if David is availableExpertise
Years of commercial development experience
9 years of experience
Core technologies
Other technologies
Project Highlights
Jet & More
Jul `22 - Nov `23
1 year
Jet & More is the platform that allows travelers to book, “flightshare” private flights and to charter private jets.
Business Challenge The business aviation industry has been slow in adopting digital innovations compared to leisure travel. Concerns about confidentiality and privacy have hindered the streamlining of business travel. Jet & More aimed to disrupt this industry by offering a platform that respects the constraints and concerns of business travelers while providing a user-friendly booking experience similar to leisure travel. They sought to overcome the challenge of bridging the gap between business aviation and tourism, making private jet travel accessible, affordable, and secure.
Responsibilities & achievements
As a full-stack developer on the Jet & More project, my responsibilities are pivotal in addressing the unique challenges faced by the business aviation industry. Collaborating closely with the product development team, I play a central role in designing and maintaining a platform that caters to the needs of business travelers. This includes ensuring a user-friendly booking experience while respecting the confidentiality and privacy concerns inherent in this sector. My tasks encompass both frontend and backend development, focusing on creating a seamless and secure booking process for private flights and charters. Implementing robust user authentication and stringent security measures is paramount, as is integrating secure payment processing systems. Additionally, I work towards making private jet travel more accessible and affordable while adhering to relevant aviation regulations and industry standards. Continuously optimizing platform performance, addressing privacy concerns, and providing exceptional user support are integral to my responsibilities. Ultimately, I aim to bridge the gap between business aviation and tourism, making private jet travel accessible, affordable, and secure through innovative digital solutions on the Jet & More platform.
mobile application for sports events
Oct `20 - Jun `22
2 years
startup from USA
A platform for a large American sports company that deals with sports goods and sponsors the NFL, NBA, and Evolution League
Responsibilities & achievements
led the development team and implemented the following features in the product: A high-load feed with thousands of users and widgets that describe sports events; The widgets have promotions that can be obtained after scanning the ball (confirmation that you have the ball from this company and this league); Users can win discounts on goods; A role system - superuser, admin, regular user. The admin can enter the admin panel. A superuser can see unpublished widgets for testing.
Brand Brochure App
Jan `19 - Apr `20
1 year
A popular brand from the USA
A mobile app that would allow users to scan the ball code to confirm the originality. The app would have additional features, for instance, the ability to review the feed with thousands of users and widgets that describe sports events also it provides AI for the recognition of products. Business Challenge Ensuring that the app can handle high traffic volumes and has a scalable architecture that can handle increasing numbers of users and widgets. Creating an effective and user-friendly scanning system that confirms that the user has the ball from this company and this league. Developing a system for managing promotions and discounts, including how they are awarded and redeemed. Creating effective analytics and reporting tools that allow the business to track usage, purchases, and other important metrics.
Responsibilities & achievements
As the sole full-stack developer on this exciting project, I find myself wearing multiple hats to drive its success. My first responsibility is to establish a strong collaboration with the Product Manager to gain a deep understanding of project requirements. Together, we refine these requirements and ensure they align with our development goals. The initial phase involves creating essential architectural diagrams and Entity-Relationship Diagrams (ERD) to chart our course. Scalability is a significant concern, given the expected high traffic and user base, so it's critical to design an architecture that can handle these demands effectively. On the technical front, I'm tasked with both backend and frontend development. This includes developing a reliable and user-friendly barcode scanning system for product authenticity confirmation and integrating advanced AI for product recognition. Managing promotions and discounts systems is another challenge I'm working on to provide value to our users. Performance optimization, security, and maintaining code quality are ongoing commitments. Thorough testing and meticulous documentation ensure that our app functions as intended and can be maintained effectively. Collaboration with the Customer Success team is essential, as their feedback and insights help address customer issues promptly. I also participate in code reviews to uphold quality standards and foster continuous improvement. Being the sole developer on this project is demanding but incredibly rewarding. It's my responsibility to shape this mobile app into a scalable, user-friendly solution that effectively addresses our business challenges.
Notre-Dame du Laus
Jan `18 - Dec `18
11 months
A tourist guide that presents all the facts about incredible paintings in an interesting and informative way. Information is provided in both text and audio formats.
The business challenge is to successfully scale and monetize a high-load feed platform that provides users with interactive widgets describing sports events. The platform incorporates features such as promotions, discounts, and a role system, catering to thousands of users. Additionally, the platform offers exclusive access to unpublished widgets for testing to superusers. The challenge lies in effectively managing the platform's growth, maximizing user engagement, and generating revenue through innovative monetization strategies.
Responsibilities & achievements
As a full-stack developer on this ambitious project, my responsibilities are diverse and pivotal in addressing the challenges of scaling and monetizing a tourist guide platform enriched with interactive sports event widgets. Collaborating closely with the development team, I play a key role in delivering projects and resolving technical issues promptly. My duties extend to understanding and implementing user-friendly features that present information in both text and audio formats effectively, ensuring an engaging experience for tourists. Scaling the platform efficiently to accommodate high user loads is a top priority, as is optimizing performance for a seamless user journey. Innovative monetization strategies, including promotions, discounts, and exclusive access for superusers, are within my purview to generate revenue effectively. Additionally, I focus on enhancing user engagement through interactive widgets and personalized promotions while maintaining robust security measures for data protection and privacy compliance. My role involves continuous collaboration with superusers, collecting feedback, and iterating on widget development to improve the overall user experience. Ultimately, I contribute to the platform's success by ensuring its growth, maximizing user engagement, and implementing innovative monetization strategies.
FTMO
Apr `16 - Dec `17
2 years
Trading platform
The FTMO project aims to create a stable and fast platform that caters to traders by providing features such as chatting rooms categorized by currency types, TradingView diagram integration, and user authentication. The primary objective is to build a platform that supports traders by offering predictions, advice, and a community to enhance their trading experience. The project was successfully delivered by Mirko's team, meeting all the promised features, and the client expressed high satisfaction with the results. Business challenge The challenge is to develop a trading platform that is stable, efficient, and offers valuable features to traders. The platform needs to provide a seamless chatting experience by dividing rooms based on currency types, allowing traders to communicate and share insights effectively. Integrating TradingView diagrams poses a technical challenge to ensure real-time and accurate market data visualization. Additionally, implementing user authentication is essential to maintain platform security and ensure a trusted community environment.
Responsibilities & achievements
As the sole full-stack developer on the FTMO project, I have a multifaceted role in creating a stable and efficient trading platform tailored for traders. My core responsibilities include collaborating closely with the Product Engineering Team to deliver projects and swiftly address support tickets to ensure platform stability. Working hand in hand with the Product Manager, I meticulously analyze and refine project requirements, user stories, and acceptance criteria. The architectural backbone of the platform relies on my skills as I create detailed Entity-Relationship Diagrams (ERD) and architectural diagrams to ensure system stability and scalability. My development efforts encompass both frontend and backend components, tackling challenges such as categorizing chat rooms by currency types, seamlessly integrating TradingView diagrams for real-time market data visualization, and implementing robust user authentication for platform security. Thorough testing, documentation, and code reviews are vital to maintain high-quality standards. In addition to my technical responsibilities, I collaborate closely with the Customer Success team to swiftly address customer issues, ensuring a seamless and trusted trading community environment. My role as the full-stack developer is pivotal in building a successful trading platform that meets the needs of traders and delivers on the promises of the FTMO project.
Education
Higher education in Computer Science
Agency
50-100
GMT+1
Lutsk / Ukraine
Core Expertise
Industries
Education & Science, Banking & Finance, Healthcare & Medicine, Beauty & Personal Care, Branding, design, web development, Management System & Automation
Want to hire this engineer?
Check if David is available