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Hi, I'm Rasmus Holanti, a results-oriented Full Stack Software Engineer with over 10 years of experience building robust and scalable applications across healthcare, fintech, SaaS, and ecommerce domains. I specialize in .NET-based system architecture, data modeling, and secure application development, while keeping a strong focus on creating intuitive UI/UX designs. I enjoy collaborating remotely and taking projects from concept through to deployment with a keen eye for performance and security. Throughout my career, I've been fortunate to work on impactful projects spanning financial services, healthcare, and real estate industries, integrating modern frameworks and cloud infrastructure to optimize multi-tenant platforms. I genuinely enjoy refining user interactions and solving complex backend challenges with clean, efficient solutions.…Hi, I'm Rasmus Holanti, a results-oriented Full Stack Software Engineer with over 10 years of experience building robust and scalable applications across healthcare, fintech, SaaS, and ecommerce domains. I specialize in .NET-based system architecture, data modeling, and secure application development, while keeping a strong focus on creating intuitive UI/UX designs. I enjoy collaborating remotely and taking projects from concept through to deployment with a keen eye for performance and security. Throughout my career, I've been fortunate to work on impactful projects spanning financial services, healthcare, and real estate industries, integrating modern frameworks and cloud infrastructure to optimize multi-tenant platforms. I genuinely enjoy refining user interactions and solving complex backend challenges with clean, efficient solutions.

Rasmus Holanti

Full Stack Developer, Developer, Programmer, +2

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Hi, I'm Rasmus Holanti, a results-oriented Full Stack Software Engineer with over 10 years of experience building robust and scalable applications across healthcare, fintech, SaaS, and ecommerce domains. I specialize in .NET-based system architecture, data modeling, and secure application development, while keeping a strong focus on creating intuitive UI/UX designs. I enjoy collaborating remotely and taking projects from concept through to deployment with a keen eye for performance and security. Throughout my career, I've been fortunate to work on impactful projects spanning financial services, healthcare, and real estate industries, integrating modern frameworks and cloud infrastructure to optimize multi-tenant platforms. I genuinely enjoy refining user interactions and solving complex backend challenges with clean, efficient solutions.…Hi, I'm Rasmus Holanti, a results-oriented Full Stack Software Engineer with over 10 years of experience building robust and scalable applications across healthcare, fintech, SaaS, and ecommerce domains. I specialize in .NET-based system architecture, data modeling, and secure application development, while keeping a strong focus on creating intuitive UI/UX designs. I enjoy collaborating remotely and taking projects from concept through to deployment with a keen eye for performance and security. Throughout my career, I've been fortunate to work on impactful projects spanning financial services, healthcare, and real estate industries, integrating modern frameworks and cloud infrastructure to optimize multi-tenant platforms. I genuinely enjoy refining user interactions and solving complex backend challenges with clean, efficient solutions.

Available to hire

Hi, I’m Rasmus Holanti, a results-oriented Full Stack Software Engineer with over 10 years of experience building robust and scalable applications across healthcare, fintech, SaaS, and ecommerce domains. I specialize in .NET-based system architecture, data modeling, and secure application development, while keeping a strong focus on creating intuitive UI/UX designs. I enjoy collaborating remotely and taking projects from concept through to deployment with a keen eye for performance and security.

Throughout my career, I’ve been fortunate to work on impactful projects spanning financial services, healthcare, and real estate industries, integrating modern frameworks and cloud infrastructure to optimize multi-tenant platforms. I genuinely enjoy refining user interactions and solving complex backend challenges with clean, efficient solutions.

Skills

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Work Experience

Senior Full Stack Engineer at Developex

March 1, 2025 - August 1, 2025

Designed and implemented secure .NET Core microservices supporting financial workflows and user authorization across multiple regions. Engineered backend modules for transaction validation and integrated token-based authentication for sensitive operations using OAuth2 and RBAC principles. Applied Entity Framework for complex data modeling and migrations in SQL Server. Built intuitive user interfaces using Angular and TypeScript, enabling account management, payment scheduling, and financial reporting. Enhanced front-end responsiveness for mobile use cases and ensured accessibility compliance across critical modules. Collaborated with product designers to refine interactive flows for financial dashboards. Optimized infrastructure performance by configuring CI/CD pipelines in Azure DevOps, deploying containerized services via Docker, and improving logging and monitoring strategies. Conducted integration testing to verify third-party API stability, including payment gateways and external

Full Stack Engineer at Webflow

March 1, 2020 - August 1, 2025

Developed modular application components using C# and .NET MVC for a web design platform supporting enterprise clients. Designed SQL-backed data services to manage user-generated content and subscription plans, ensuring consistency and performance across regional instances. Built responsive, component-based UI features using JavaScript, React, and SCSS to support real-time collaboration, versioning, and preview capabilities. Collaborated closely with design and QA teams to ensure visual and behavioral precision across browsers and devices. Refined access controls and security measures across the user and team workspace system, including role-based logic and permission validation. Participated in remote agile ceremonies, implemented pull-request reviews, and contributed to scalable software delivery across a global engineering team.

Full Stack Developer at Digisky

March 1, 2016 - August 1, 2025

Contributed to the migration of a legacy system into a .NET-driven property management platform, focusing on digital listings, tenant data, and scheduling features. Developed multi-table database schemas and implemented stored procedures to handle complex filtering and reporting queries. Created front-end booking and messaging modules using JavaScript and Razor views, improving tenant-to-agent communication flow. Focused on delivering a seamless experience for appointment scheduling, including calendar integrations and location-based availability. Integrated secure user authentication flows and account management using ASP.NET Identity and encrypted session management. Ensured the platform maintained high availability during peak usage periods through performance profiling and code refactoring.

Software Engineer at Bizzabo

August 31, 2014 - August 1, 2025

Implemented backend features for ticket lifecycle management, including purchase validation, cancellations, and refunds, using ASP.NET Web API and SQL Server. Developed and tested APIs for vendor integration and mobile checkout workflows. Built modular, interactive web components using JavaScript, jQuery, and Bootstrap, facilitating ticket scanning and real-time event status updates. Collaborated on localization efforts to support international events with multilingual user interfaces. Focused on securing transactions through HTTPS enforcement, input sanitization, and server-side validation mechanisms. Assisted in maintaining platform stability and uptime during major live events by identifying code bottlenecks and supporting release rollouts.