Build Robust, Scalable Systems with .NET
Enterprise-grade .NET and ASP.NET Core solutions for fintech, healthcare, and beyond.
.NET expertise is at our core
First Factory started as a .NET shop. We match deep technical fluency with a commitment to your business outcomes.
Our engineers have delivered .NET solutions handling billions in transactions and mission-critical workflows across regulated industries.
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From ASP.NET Core APIs and MVC to Blazor frontends and Entity Framework, we cover the full .NET ecosystem with engineers who go deep, not just wide.
Our nearshore engineers align to your time zone and your Agile ceremonies, becoming a natural extension of your in-house team.
Over ten years of partnership, our work on marketing and eCommerce modernization drives customer return rates 15% above the industry average for a retailer that has shipped over 40 million packages.
Rescued a failed MVP, redefined the architecture, and delivered a scalable foundation for a billion-dollar PEO's next-generation HR and payroll platform after two years of prior vendor setbacks.
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Comprehensive .NET Stack Mastery
Modern .NET built for scale, security, and speed.
We build secure RESTful APIs and dynamic web UIs using ASP.NET Core, Blazor, and MVC to handle millions of concurrent users with ease.
Deep experience with Entity Framework Core, Dapper, and SQL Server, including schema design, query optimization, and data migration strategies.
We deploy .NET applications on AWS and Azure using Docker, Kubernetes, and CI/CD pipelines for reliable, automated delivery at scale.
We migrate aging .NET Framework applications to .NET Core and .NET 8, reducing technical debt and unlocking modern performance, security, and cloud compatibility.
The Competitive Difference
For more than 25 years, we have partnered with companies to accelerate go-to-market, improve user outcomes, and deliver tangible business results.
Costa Rica is 1–2 hours behind Eastern Time. No 12-hour lag, no async-only collaboration. Our teams communicate in real time and attend your standups live.
SOC 2 Type 2 certified. Full MDM device management. Background checks for every hire. Dedicated full-time IT Security Officer. Your IP is protected.
Our Costa Rica design team handles UX/UI for client projects, keeping design and development tightly coordinated. There are no handoff gaps or delays iterating.
No minimum contract length on resources. We require written notice to ramp down based on contract terms. You scale based on your needs, not our revenue targets.
If you're unsatisfied — for any reason — at any point during the first 30 days of your project, you can walk away on the spot. No penalties, no questions asked.
Your needs, your way of working.
The right engagement model reduces risk, accelerates delivery, and lowers total cost.
Dedicated full-time engineers who become a natural extension of your team, working in your time zone and integrating into your existing workflows.
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Self-organizing, collaborative teams who deliver high-quality software in two-week sprints with complete transparency and regular stakeholder engagement.
Fixed-price custom development with guaranteed pricing, clearly defined scope, and dedicated project management from concept to post-launch support.
Assisting you with strategy, implementation, and maintenance
We offer packages that help you achieve business outcomes and provide long-term product support.
Expert guidance to evaluate software solutions, compare build vs. buy options, and optimize your development processes through strategic analysis and recommendations.
Ongoing maintenance and support agreements available as fixed-price annual contracts or hourly arrangements with specific SLAs tailored to your post-launch needs.
Yes. Fixed-price engagements are available when scope and timelines are clearly defined. These are often used for pilots, discovery phases, or well-scoped initiatives.
We offer a 30-day satisfaction guarantee. If you’re not satisfied with our work at the end of the first 30 days, you can replace a resource or ramp down the project without being charged.
We can typically assemble a product team within 2 to 6 weeks depending on your specific requirements. For urgent needs, we often have resources available to begin discovery and ideation work even sooner. A Product Discovery Sprint can frequently begin within days of agreement.
