Grzegorz Gajos - Senior Software Engineer
Professional Summary
I'm Grzegorz Gajos, a Senior Software Engineer with over 16 years of experience in building scalable, reliable distributed systems. I specialize in backend development, microservices architecture, and creating robust software solutions that power business-critical applications.
Current Positions
Software Engineer at Allegro (2021 - Present)
Software Engineer specializing in the Merchant Finance domain. I develop scalable backend solutions that bridge the e-commerce platform with external financial institutions. My work focuses on designing and implementing secure integrations with strategic banking partners to enable seamless financial services for merchants.
Co-Founder at Open Tangerine (2012 - Present)
Managing roadmaps, tasks and deadlines. Delivering high-quality software solutions and maintaining long-term client relationships through competence, loyalty, and technical excellence.
Software Engineer at 7N (2017 - Present)
Delivering high-impact software solutions for enterprise clients through contract-based engagements. Acting as technical leader and architect across diverse projects.
Technical Expertise
- Programming Languages: Java, JavaScript, Groovy
- Frameworks & Technologies: Grails, Spring, Microservices Architecture
- Specializations: Backend Development, API Design, Distributed Systems, System Integration
- Domain Expertise: E-commerce, Financial Technology, Enterprise Solutions
Professional Skills
- Scalable Backend Solutions
- Microservices Architecture
- API Gateway Development
- System Integration
- Database Design and Optimization
- DevOps and CI/CD
- Technical Leadership
- Software Architecture
Contact Information
Email: gagreg@gmail.com
LinkedIn: linkedin.com/in/ggajos
Company: opentangerine.com
Location
Katowice Metropolitan Area, Poland