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I’m a results-driven Full-Stack Engineer with over 10 years of experience designing, building, and scaling enterprise-grade web and mobile platforms across FinTech, Healthcare, ERP, and E-commerce domains. I specialize in delivering high-performance, cloud-native applications using React, Next.js, and TypeScript on the frontend, with scalable Node.js backend services engineered for reliability, compliance, and long-term maintainability. With strong expertise in system architecture, DevOps automation, CI/CD, and Kubernetes-based cloud delivery, I focus on building secure, resilient, and observable systems that operate seamlessly in regulated, high-traffic environments. I bring a pragmatic engineering mindset that balances clean architecture, operational excellence, and measurable business impact.…I’m a results-driven Full-Stack Engineer with over 10 years of experience designing, building, and scaling enterprise-grade web and mobile platforms across FinTech, Healthcare, ERP, and E-commerce domains. I specialize in delivering high-performance, cloud-native applications using React, Next.js, and TypeScript on the frontend, with scalable Node.js backend services engineered for reliability, compliance, and long-term maintainability. With strong expertise in system architecture, DevOps automation, CI/CD, and Kubernetes-based cloud delivery, I focus on building secure, resilient, and observable systems that operate seamlessly in regulated, high-traffic environments. I bring a pragmatic engineering mindset that balances clean architecture, operational excellence, and measurable business impact.

Dionysis Mitrousis

Full Stack Developer, Back-End Developer, Web Developer, +3

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I’m a results-driven Full-Stack Engineer with over 10 years of experience designing, building, and scaling enterprise-grade web and mobile platforms across FinTech, Healthcare, ERP, and E-commerce domains. I specialize in delivering high-performance, cloud-native applications using React, Next.js, and TypeScript on the frontend, with scalable Node.js backend services engineered for reliability, compliance, and long-term maintainability. With strong expertise in system architecture, DevOps automation, CI/CD, and Kubernetes-based cloud delivery, I focus on building secure, resilient, and observable systems that operate seamlessly in regulated, high-traffic environments. I bring a pragmatic engineering mindset that balances clean architecture, operational excellence, and measurable business impact.…I’m a results-driven Full-Stack Engineer with over 10 years of experience designing, building, and scaling enterprise-grade web and mobile platforms across FinTech, Healthcare, ERP, and E-commerce domains. I specialize in delivering high-performance, cloud-native applications using React, Next.js, and TypeScript on the frontend, with scalable Node.js backend services engineered for reliability, compliance, and long-term maintainability. With strong expertise in system architecture, DevOps automation, CI/CD, and Kubernetes-based cloud delivery, I focus on building secure, resilient, and observable systems that operate seamlessly in regulated, high-traffic environments. I bring a pragmatic engineering mindset that balances clean architecture, operational excellence, and measurable business impact.

Available to hire

I’m a results-driven Full-Stack Engineer with over 10 years of experience designing, building, and scaling enterprise-grade web and mobile platforms across FinTech, Healthcare, ERP, and E-commerce domains.

I specialize in delivering high-performance, cloud-native applications using React, Next.js, and TypeScript on the frontend, with scalable Node.js backend services engineered for reliability, compliance, and long-term maintainability. With strong expertise in system architecture, DevOps automation, CI/CD, and Kubernetes-based cloud delivery, I focus on building secure, resilient, and observable systems that operate seamlessly in regulated, high-traffic environments. I bring a pragmatic engineering mindset that balances clean architecture, operational excellence, and measurable business impact.

Skills

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Work Experience

Senior Software Engineer at Accenture Greece

September 1, 2023 - Present

Led the end-to-end engineering lifecycle of enterprise-scale digital transformation initiatives within FinTech and Healthcare domains, translating complex regulatory and business requirements into secure, scalable, and high-performance platforms using React, Next.js, Zustand, and TypeScript. Architected backend services with Python and Django, delivering strongly-typed REST APIs supporting high-volume transactional workflows and compliance-driven data processing. Designed relational data models using PostgreSQL with Prisma ORM, ensuring efficient schema design, query performance, and reliable handling of sensitive, regulated datasets with strong consistency and long-term scalability. Implemented event-driven and asynchronous processing pipelines using Kafka, RabbitMQ, and Redis, improving fault tolerance and stability under peak loads. Deployed and operated microservices in containerized Kubernetes environments on Azure, establishing CI/CD pipelines for secure, zero-downtime enterprise

Full-Stack Engineer at Entersoft

May 1, 2020 - August 1, 2023

Engineered scalable e-commerce and ERP-integrated digital commerce platforms, building responsive, real-time shopping and checkout experiences with React, Redux, Tailwind CSS, and Material UI across multi-device environments. Developed backend commerce services using Python and Django, delivering RESTful APIs for product catalogs, order orchestration, payments, invoicing, and customer lifecycle management. Optimized PostgreSQL data access patterns and implemented Redis caching strategies, significantly improving pricing, inventory, and transaction throughput during high-traffic campaigns. Operated cloud-native infrastructure on AWS using Docker and Kubernetes, implementing CI/CD pipelines for reliable releases during peak retail periods. Designed secure API architectures using OAuth2 and JWT authentication, ensuring regulatory compliance and enterprise-grade data protection. Implemented automated quality gates with Pytest, Jest, and Cypress, and enhanced tracing and monitoring with Gra

Software Developer at Code.Hub

September 1, 2017 - April 1, 2020

Developed modular, responsive UI architectures using React, JavaScript, and Redux for enterprise SaaS and FinTech platforms, ensuring scalable and cross-device consistency. Built Node.js and Express-based backend services with MongoDB, supporting cloud-native SaaS products with high availability. Implemented RESTful APIs enabling seamless integration with payment providers and enterprise systems. Established CI/CD pipelines on AWS using Docker and GitHub Actions, and reinforced production deployments with automated testing (Jest, Cypress, Postman).

Junior Software Developer at Uni Systems

May 1, 2015 - August 1, 2017

Contributed to enterprise public-sector and large-scale system integration projects by developing responsive frontend interfaces (HTML5, CSS3, Bootstrap, JavaScript) and backend API development with Java and Spring Boot, integrating PostgreSQL and Hibernate. Participated in build and release processes using Maven and Jenkins, gaining CI/CD experience in mission-critical environments. Improved backend quality through unit testing with JUnit and Mockito; engaged in code reviews and knowledge sharing, and maintained Swagger API documentation to support interoperability.