I am a results-driven Senior Full Stack Developer with 6+ years of experience designing, developing, and integrating enterprise-grade web applications, payment platforms, and healthcare technology solutions. I specialize in payment processor integrations, Java, Spring Boot, React, REST APIs, microservices, and cloud-ready architectures. I excel at collaborating with distributed teams, consulting stakeholders, and delivering scalable solutions that improve operational efficiency and customer experience. I have led payment migration projects, implemented secure transaction processing, and ensured compliance with security and privacy standards including healthcare regulations.

Georgi Ivanov

I am a results-driven Senior Full Stack Developer with 6+ years of experience designing, developing, and integrating enterprise-grade web applications, payment platforms, and healthcare technology solutions. I specialize in payment processor integrations, Java, Spring Boot, React, REST APIs, microservices, and cloud-ready architectures. I excel at collaborating with distributed teams, consulting stakeholders, and delivering scalable solutions that improve operational efficiency and customer experience. I have led payment migration projects, implemented secure transaction processing, and ensured compliance with security and privacy standards including healthcare regulations.

Available to hire

I am a results-driven Senior Full Stack Developer with 6+ years of experience designing, developing, and integrating enterprise-grade web applications, payment platforms, and healthcare technology solutions. I specialize in payment processor integrations, Java, Spring Boot, React, REST APIs, microservices, and cloud-ready architectures.

I excel at collaborating with distributed teams, consulting stakeholders, and delivering scalable solutions that improve operational efficiency and customer experience. I have led payment migration projects, implemented secure transaction processing, and ensured compliance with security and privacy standards including healthcare regulations.

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Experience Level

Expert
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Expert
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Work Experience

Senior Full Stack Developer & Payment Integration Consultant at Sofia Digital Marketing
September 1, 2023 - March 1, 2026
Led development and integration of enterprise web applications serving healthcare, e-commerce, and service-based businesses. Consulted clients on selecting and implementing modern payment processing solutions, evaluating providers based on transaction costs, security, reliability, and scalability. Architected and implemented secure payment workflows using Stripe, PayPal, and custom payment gateway integrations. Developed backend microservices with Java, Spring Boot, and PostgreSQL for high-volume transaction processing. Built responsive front-end applications with React, TypeScript, and modern UI frameworks. Managed migration projects from legacy payment providers to modern cloud-based processors with minimal downtime. Implemented reconciliation, reporting, refunds, and recurring billing. Ensured PCI-DSS and healthcare data security compliance. Created REST APIs for patient billing, appointment management, payment tracking, and insurance workflows. Integrated third-party healthcare pla
Full Stack Developer at ScaleFocus
November 1, 2022 - July 1, 2023
Developed and maintained large-scale enterprise applications for financial and healthcare clients. Built secure backend services using Java, Spring Boot, Hibernate, and PostgreSQL. Implemented payment gateway integrations for online transactions, recurring billing, and refunds. Developed responsive UIs using React, Redux, and TypeScript. Designed and consumed RESTful APIs for customer portals, billing systems, and transaction management platforms. Participated in cloud migration initiatives leveraging AWS services and containerized deployments. Collaborated with product managers and business stakeholders to translate requirements into scalable technical solutions. Improved application performance through query optimization, caching strategies, and backend tuning. Created automated testing suites using JUnit, Mockito, and integration testing frameworks. Contributed to Agile ceremonies including sprint planning, retrospectives, and technical design discussions.
Software Developer at Accedia
March 1, 2020 - October 1, 2022
Developed web applications and backend systems for clients across healthcare, fintech, and retail industries. Designed and implemented RESTful APIs using Java, Spring Framework, and Hibernate. Built interactive front-end applications with React, JavaScript, HTML5, and CSS3. Assisted in integrating payment processing solutions and transaction management workflows. Participated in modernization of legacy systems into microservice-based architectures. Developed authentication and authorization systems utilizing OAuth2 and JWT. Created database schemas, optimized SQL queries, and improved system performance. Implemented automated testing processes and participated in code quality initiatives. Worked directly with clients to gather requirements and deliver customized software solutions. Supported production deployments, troubleshooting, and ongoing application maintenance.

Education

Bachelor's Degree at Sofia University St. Kliment Ohridski
September 1, 2015 - June 1, 2019

Qualifications

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Industry Experience

Healthcare, Financial Services, Software & Internet, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
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