Hello there! I’m a full-stack developer with over 18 years of experience building web applications of all shapes and sizes—from PWAs and business platforms to custom web shops with integrations to various third-party services. These days my heart beats a little faster for the front-end: I like crafting clean, intuitive interfaces, polishing the details, and making sure the user experience feels effortless on any device. I’m not a designer, but I handle design implementation well and can create clean, thoughtful UIs myself when needed. That said, I’m equally comfortable diving into the backend when needed, and I’ve worked extensively with the Microsoft stack (.NET, C#, SQL Server, Azure). I love starting new projects from a blank canvas, but I’m just as happy improving and extending existing systems. AI is part of my daily workflow—an extension of how I think and build effectively. Outside client work, I’ve also built and run my own organic wine web shop, which continues to be a bright spot in my life and a playground for trying out new ideas.

Anna Koponen

Hello there! I’m a full-stack developer with over 18 years of experience building web applications of all shapes and sizes—from PWAs and business platforms to custom web shops with integrations to various third-party services. These days my heart beats a little faster for the front-end: I like crafting clean, intuitive interfaces, polishing the details, and making sure the user experience feels effortless on any device. I’m not a designer, but I handle design implementation well and can create clean, thoughtful UIs myself when needed. That said, I’m equally comfortable diving into the backend when needed, and I’ve worked extensively with the Microsoft stack (.NET, C#, SQL Server, Azure). I love starting new projects from a blank canvas, but I’m just as happy improving and extending existing systems. AI is part of my daily workflow—an extension of how I think and build effectively. Outside client work, I’ve also built and run my own organic wine web shop, which continues to be a bright spot in my life and a playground for trying out new ideas.

Available to hire

Hello there!

I’m a full-stack developer with over 18 years of experience building web applications of all shapes and sizes—from PWAs and business platforms to custom web shops with integrations to various third-party services. These days my heart beats a little faster for the front-end: I like crafting clean, intuitive interfaces, polishing the details, and making sure the user experience feels effortless on any device. I’m not a designer, but I handle design implementation well and can create clean, thoughtful UIs myself when needed.

That said, I’m equally comfortable diving into the backend when needed, and I’ve worked extensively with the Microsoft stack (.NET, C#, SQL Server, Azure). I love starting new projects from a blank canvas, but I’m just as happy improving and extending existing systems. AI is part of my daily workflow—an extension of how I think and build effectively.

Outside client work, I’ve also built and run my own organic wine web shop, which continues to be a bright spot in my life and a playground for trying out new ideas.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

Swedish
Fluent
Finnish
Fluent
English
Fluent
German
Beginner
Spanish; Castilian
Beginner

Work Experience

Co-founder, Full-Stack Developer at ThinkDo Oy
January 1, 2014 - Present
Lead developer for multiple long-term client systems, including Kotirinki’s digital ecosystem and FoxDo’s marketplace. Responsible for architecture, implementation, integrations, and maintenance.
Co-founder, CEO at The Green Hatch Oü
January 1, 2011 - Present
Importer and seller of organic wines; built and maintained the company’s webshop and digital tools, serving as a key driver of the online business.
Owner, Software Developer at Ossina Tmi
January 1, 2009 - Present
Consulting and development for various clients using .NET, Angular, SQL Server, Umbraco, and Classic ASP.

Education

Master of Applied Information Technology (Multimedia Technology) at University of Sydney
January 11, 2030 - January 1, 2004
Bachelor of Engineering (Production Management) at Arcada Polytechnic
January 11, 2030 - January 1, 2000

Qualifications

WSET Level 3
January 1, 2012 - February 6, 2026
WSET Level 2
January 1, 2011 - February 6, 2026
MCP: Microsoft .NET Framework – Application Development Foundation
January 1, 2006 - February 6, 2026

Industry Experience

Software & Internet, Professional Services
    paper 4 Portal Online Service Book System

    Role
    Co Architect & Main Front-End Developer

    Tech
    Angular, RxJS, Typescript, C#, HTML, SCSS, Bootstrap, SQL Server, Azure, Angular Material

    At a glance
    A multi application PWA ecosystem for service personnel, managers, admins, and public users.

    In more detail
    Designed and implemented the front-end architecture for four interconnected applications: a public PWA service book and three private portals for service people, managers, and super admins. Built complex UI flows, data structures, and MSAL authentication. Integrated Stripe and Mailgun. Focused on usability, extensibility and long-term maintainability.

    paper Custom Web Shop + Product Management

    Role
    Co Architect & Main Front-End Developer

    Tech
    Angular, RxJS, Typescript, C#, HTML, SCSS, Bootstrap, SQL Server, Azure, Telerik Kendo UI Components

    At a glance
    A highly dynamic service ordering system with complex pricing logic.

    In more detail
    Designed and implemented a custom web shop where service prices and selections adapt dynamically based on numerous configurable factors. Also co-designed the architecture and implemented the UI for managing services, products, and pricing rules. Ensured the system remained intuitive despite its complexity and heavy business logic.

    paper Employee Portal PWA

    Role
    Co Architect & Main Front-End Developer

    Tech
    Angular, RxJS, Typescript, HTML, SCSS, Bootstrap, SQL Server, Azure, Telerik Kendo UI Components

    At a glance
    A PWA for my client’s employees and partners to manage their own clients, appointments, invoicing, and reports.

    In more detail
    Developed a mobile-first PWA with MSAL authentication. Implemented features such as client information, invoicing stats, reports, upcoming appointments, calendars, customer ratings, and household deduction tools. Collaborated with external designers for UI styling while ensuring technical consistency and performance.

    paper Business Management Platform Renewal

    Role
    Co Architect, Main Front-End Developer, Product Owner

    Tech
    Angular, RxJS, Typescript, C#, HTML, CSS, SCSS, Bootstrap, SQL Server, Azure, Telerik Kendo UI Components

    At a glance
    A complete rebuild of a legacy business platform into a modern, scalable and moular system.

    In more detail
    Redesigned the entire platform from scratch, replacing an outdated system with a modern architecture. Built modules for customer management, invoicing, reporting, orders, and integrations (Active Campaign, Netvisor). Managed syncing with the old system during the transition. Ensured the new platform was modular, extensible, scalable, future-proof and significantly more efficient.

    paper Applicant online Wizard

    Role
    Co Architect, Main Front-End Developer, Product Owner

    Tech
    Angular, RxJS, Typescript, HTML, SCSS, Bootstrap, SQL Server, Azure, Telerik Kendo UI Components

    At a glance
    A dynamic online application wizard for job applicants.

    In more detail
    Designed and implemented a multi-step, logic-driven wizard for job applicants. Co-designed the technical architecture of the dynamic questions and answers and developed the front. Focused on clarity and easy understanding of the application process.

    paper Customer Portal PWA

    Role
    Co Architect & Main Front-End Developer

    Tech
    Angular, RxJS, Typescript, HTML, CSS, SCSS, Bootstrap, SQL Server, Azure, Telerik Kendo UI Components

    At a glance
    A PWA for customers to manage their own information, invoices, appointments, and ratings.

    In more detail
    Built a responsive PWA with MSAL authentication, enabling customers to view and manage personal data, invoices, orders, upcoming and past appointments, ratings, and household deduction information. Collaborated with external designers for UI styling while ensuring technical consistency and performance.