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