# .NET / JavaScript Full Stack Software Developer

> Doris Peters & Associates · San José, Costa Rica (Hybrid) · Full-time · Posted 2026-10-07

**Workplace:** hybrid

## Description

Our client, TwinEngines, is seeking a Full Stack Software Developers to join their Costa Rica engineering team.

This role is ideal for a developer who enjoys building modern, cloud-connected applications that integrate ERP, CRM, AI, shop-floor tools, and mobile platforms to support real-world business operations in manufacturing, distribution, and industrial environments.

The developer will play a key role in designing, building, and maintaining applications that support mission-critical processes. This includes web, mobile, and desktop development; cloud integrations; and participation in solution architecture alongside engineering teams in Costa Rica and the U.S.

**Key Responsibilities**  
– Develop Windows, Web, and Mobile (.NET MAUI) applications connected to Azure cloud and AI services.  
– Build features for portals, shop-floor systems, collaboration tools, and mobile modules.  
– Participate in architecture sessions to map systems, processes, and data flows that bridge ERP gaps.  
– Implement AI capabilities such as computer vision, OCR, natural language processing, and predictive analytics.  
– Create custom dashboards and Power BI analytics for data-driven decision-making.  
– Integrate solutions with Office 365, ERP systems, SharePoint, Teams, OneDrive, CRM tools, and third-party applications.  
– Collaborate with cross-border engineering teams to deliver performant, reliable, and maintainable software.  
– Support continuous improvement through Lean Agile practices.

**What the Role Offers**  
– Competitive salary and benefits package.  
– Ongoing professional development and certification opportunities.  
– A collaborative, innovation-driven culture.  
– Growth opportunities within a hybrid U.S.–Costa Rica engineering structure.  
– Occasional travel to the headquarters in Atlanta.  
– A chance to contribute to cutting-edge industrial digital transformation solutions.

## Requirements

**Required Skills and Experience**

Programming and Development

-   C#
-   ASP.NET
-   SQL Server
-   JavaScript (ES6+)

Front-End / Web Skills

-   DOM manipulation
-   Asynchronous programming (Promises, async/await)

Tools & Engineering Practices

-   Microsoft Visual Studio
-   Git
-   Modern SDLC practices

Architecture & Systems

-   Cloud architecture fundamentals
-   API-driven systems

Education

-   Bachelor’s degree in Software Engineering, Computer Science, or related field

Language

-   Intermediate English (spoken and written)

Soft Skills / Work Style

-   Collaboration
-   Self-directed work
-   High accountability / ownership mindset

**Preferred Skills (Nice to Have)**

.NET / Web Frameworks

-   ASP.NET MVC
-   ASP.NET Web API
-   RESTful services

Front-End Frameworks

-   Angular
-   React
-   Vue

Microsoft Azure Cloud

-   Azure App Services
-   Azure Functions
-   Azure AI Services
-   Azure Storage
-   Azure SQL

Mobile Development

-   .NET MAUI

AI / Data Science

-   AI/ML workflows
-   Computer vision
-   Document intelligence
-   Predictive models

Analytics & Reporting

-   Power BI
-   Data warehousing
-   Operational reporting

Business Systems

-   ERP integrations
-   Manufacturing systems understanding

Microsoft Productivity & Automation

-   Office 365
-   SharePoint
-   Workflow automation

Certifications

-   Microsoft developer certifications

## Apply

[Apply at Doris Peters & Associates](https://apply.workable.com/doris-petersand-associates/j/1EE4E7C26C/apply)

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