Backend Engineering
Designing and building APIs, services, and system logic using Java, Python, and Node.js. Focus on clean architecture, performance, and maintainability.
I design and build secure, scalable systems - from cloud-native infrastructure to full-stack applications. My focus is on backend architecture, data pipelines, and real-world engineering problems.
Open to: internships and software engineering roles
Tampere, Finland / Budapest, Hungary | choliver2005@gmail.com
I am a software engineering student with a strong focus on building practical, production-ready systems. I enjoy working at the intersection of backend development, cloud platforms, and security - where performance and reliability matter.
My approach is simple: build systems that are secure, scalable, and actually usable in the real world.
Outside engineering, I love cooking (especially Asian cuisine), watching all types of sports, and bringing a fun, energetic, and always-happy attitude to what I do.
I have worked on projects ranging from data pipelines and full-stack applications to secure backend APIs and cloud-based architectures, both independently and in team environments.
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Designing and building APIs, services, and system logic using Java, Python, and Node.js. Focus on clean architecture, performance, and maintainability.
Experience with AWS, server technologies, and Linux systems. Building and deploying scalable applications with a cloud-first mindset.
Applying secure coding practices, authentication systems (JWT), input validation, and data protection strategies.
Developing data pipelines, working with structured data, and building systems for data processing and analysis.
Creating responsive web applications using React and Vite, then integrating them with backend services.
Working with microcontrollers and low-level C/C++ programming for hardware-based projects.
Budapest, Hungary | June - August 2025
Developed Apex classes and backend logic for business workflows, built and tested features in Salesforce, and improved reliability through structured testing and debugging.
Budapest, Hungary | July 2023
Gained exposure to real-world logistics operations and large-scale workflows, with practical insight into technical infrastructure and operational efficiency.
Tampere, Finland | 2022 - Present
Worked as a Wolt courier while studying, building strong time management, adaptability, customer communication, and consistency in fast-paced day-to-day operations.
Tampere, Finland | Team Member
Contributing in a collaborative engineering team environment, strengthening practical problem-solving, ownership, and cross-functional teamwork.
Tampere University of Applied Sciences
2024 - Present
GPA: 4.9
Relevant areas: cloud computing and AWS, operating systems and Linux programming, cybersecurity and secure software development, full stack and mobile development, and data systems and pipelines.
Hungary | 2019 - 2024
GPA: 4.5
Relevant areas: cloud computing and AWS, operating systems and Linux programming, cybersecurity and secure software development, full stack and mobile development, and data systems and pipelines.
Strong analytical approach to building practical systems.
Comfortable delivering results both solo and in teams.
I adapt quickly to new tools, technologies, and changing project requirements, while continuously building new skills.
I stay composed under pressure and actively seek feedback on my collaboration and communication style to keep improving in team environments.
Focused project work across backend systems, data engineering, web, and game prototyping.
Built a secure backend system with JWT authentication, bcrypt hashing, structured validation, and clean API architecture.
Developed modular Python data pipelines for transforming, processing, and structuring datasets for analysis.
Built a full-stack architecture with clear client/server separation and a structured API contract for growth.
Designed a responsive frontend with reusable UI components, routing, and maintainable project structure.
Built an interactive dashboard with Open-Meteo integration, tables, and visualized weather insights.
Built cross-platform mobile development foundations with reusable components and maintainable structure for Android and iOS workflows.
Let's build something impactful.
Károlyi Mihály Secondary School, 2024
Pannonia Elementary School, 2019
AWS cloud foundations, networking fundamentals, cybersecurity core concepts, and Salesforce Trailhead achievement highlights.
Asynchronous Apex, Apex Integration Services, Apex Testing, Apex Triggers, Developer Console Basics.
App Development with Salesforce DX, Package.xml Metadata Management, Command-Line Interface, Environments for Salesforce Developers, Second-Generation Managed Packages.
Agentforce 360 Platform Development Basics.