About Radu Stefan
I am a Java Developer with a passion for programming. I am a fast learner, result oriented, focused on the end result, always having in mind the client's interest and how to make the client's product better.
Over the course of my 12-year career, I demonstrated analytical, and multitasking abilities. I have developed a skill set directly relevant to the software developer role because of the various technologies used.
Skills:
- Java, Spring Boot, Spring framework, REST APIs, SOAP, PostgreSQL, Hibernate, RabbitMq, JUnit
- AWS, AWS SQS, EKS, ECS, ECR, EC2, EventBridge, SAM, DynamoDB
- Kubernetes, Terraform, Helm Charts
- Algoritms, Data Structures, Design patterns, Microservices
- Gradle, Maven, Jenkins, Grafana, Splunk, Datadog, Prometheus, SonarQube, Confluence
- Agile method, Kanban, Scrum
- Payment transactions
- Event driven architecture, Test-Driven Development, Domain-Driven Design (DDD)
English
Native or bilingual
Spanish
Basic
Remote only
Primarily works remotely
Experience
- Digital Payments GroupSenior Java DeveloperBANKING AND INSURANCEJanuary 2019 - Today (7 years and 4 months)- Implemented a comprehensive plan together with two colleagues to rewrite the legacy payment processor system into a highly scalable cloud-based solution- Consolidated and refactored legacy codebase into Spring Boot microservices architecture, resulting in a 100 % decrease in time-to-market for new features and enhancements and highly improved scalability- Increased the transaction processing capacity by 100% and reduced transaction time by 30%- Coordinated a collaborative effort with the team to collect and review project documentation, paving the way for a comprehensive project rewrite- Conducted comprehensive analysis of over 200k transactions daily, performing data validation and reconciliation, enabling successful implementation of the new project- Taken the lead to develop a test framework to reconcile daily all the processed transactions after a good analysis with the team
- YonderSenior Java DeveloperPHARMACEUTICALS INDUSTRYJune 2016 - January 2019 (2 years and 8 months)Iași, Romania- Developed an innovative healthcare systems solution for doctors, hospitals, and pharmacies, resulting in a 50% increase in patient satisfaction and a 25% reduction in medication errors- Coordinated a team of six people with agile methodologies to have productive discussions with the product owner and helped the development team with technical solutions
- Levi9Senior Software DeveloperTELECOMMUNICATIONSJune 2014 - June 2016 (2 years)Iași, Romania- Created an innovative application that analyzed and logged statistics, enabling real-time event visualization; reduced data processing time by 30% and enhanced decision-making capabilities for the team- Implemented an innovative application to that streamlined the tracking and support of airport/port personnel, resulting in a 50% reduction in response time during critical scenarios- Arranged agile methodologies and mentored a team of five in executing technical projects; increased team efficiency by 30% and delivered more projects ahead of schedule
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Education
- Master of Science (M.S.), Computer Software EngineeringFaculty of Computer Science, "Alexandru Ioan Cuza" University of Iasi2013
- Bachelor of ScienceFaculty of Computer Science, "Alexandru Ioan Cuza" University of Iasi2011
Certifications
- 1Z0-803 - Java SE 7 Programmer IOracle2016
- Agile Methodologies: Kanban, ScrumOlivera Zdelar - Internal2014