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Hello! I'm Kevin Cris Ramos, a Senior Full Stack .NET Developer with 8+ years of experience building scalable enterprise applications and API-driven systems. I specialize in ASP.NET Core, C#, RESTful APIs, and system integrations, with a strong background in inventory, financial, and workflow-based systems. I enjoy designing microservices, automation, and data integrations across platforms (e.g., QuickBooks, cloud services), and I'm comfortable collaborating with cross-functional teams to improve operational efficiency. I thrive on turning complex business processes into reliable software solutions. From API contracts to modular service architectures, I focus on delivering robust, maintainable code and scalable solutions that help organizations grow while keeping deployment smooth and predictable.…Hello! I'm Kevin Cris Ramos, a Senior Full Stack .NET Developer with 8+ years of experience building scalable enterprise applications and API-driven systems. I specialize in ASP.NET Core, C#, RESTful APIs, and system integrations, with a strong background in inventory, financial, and workflow-based systems. I enjoy designing microservices, automation, and data integrations across platforms (e.g., QuickBooks, cloud services), and I'm comfortable collaborating with cross-functional teams to improve operational efficiency. I thrive on turning complex business processes into reliable software solutions. From API contracts to modular service architectures, I focus on delivering robust, maintainable code and scalable solutions that help organizations grow while keeping deployment smooth and predictable.

Kevin Cris Ramos

Full Stack Developer, Web Developer, Front-End Developer, +4

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Hello! I'm Kevin Cris Ramos, a Senior Full Stack .NET Developer with 8+ years of experience building scalable enterprise applications and API-driven systems. I specialize in ASP.NET Core, C#, RESTful APIs, and system integrations, with a strong background in inventory, financial, and workflow-based systems. I enjoy designing microservices, automation, and data integrations across platforms (e.g., QuickBooks, cloud services), and I'm comfortable collaborating with cross-functional teams to improve operational efficiency. I thrive on turning complex business processes into reliable software solutions. From API contracts to modular service architectures, I focus on delivering robust, maintainable code and scalable solutions that help organizations grow while keeping deployment smooth and predictable.…Hello! I'm Kevin Cris Ramos, a Senior Full Stack .NET Developer with 8+ years of experience building scalable enterprise applications and API-driven systems. I specialize in ASP.NET Core, C#, RESTful APIs, and system integrations, with a strong background in inventory, financial, and workflow-based systems. I enjoy designing microservices, automation, and data integrations across platforms (e.g., QuickBooks, cloud services), and I'm comfortable collaborating with cross-functional teams to improve operational efficiency. I thrive on turning complex business processes into reliable software solutions. From API contracts to modular service architectures, I focus on delivering robust, maintainable code and scalable solutions that help organizations grow while keeping deployment smooth and predictable.

Available to hire

Hello! I’m Kevin Cris Ramos, a Senior Full Stack .NET Developer with 8+ years of experience building scalable enterprise applications and API-driven systems. I specialize in ASP.NET Core, C#, RESTful APIs, and system integrations, with a strong background in inventory, financial, and workflow-based systems. I enjoy designing microservices, automation, and data integrations across platforms (e.g., QuickBooks, cloud services), and I’m comfortable collaborating with cross-functional teams to improve operational efficiency.

I thrive on turning complex business processes into reliable software solutions. From API contracts to modular service architectures, I focus on delivering robust, maintainable code and scalable solutions that help organizations grow while keeping deployment smooth and predictable.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

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Expert

Expert

Expert

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Expert

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Expert

Intermediate

Language

English

Fluent

Work Experience

Full Stack .NET Developer at CashJar FinTech

March 1, 2024 - Present

Contributed to the development and implementation of a microservices-based architecture with an N-tier structure for the Payment Management Plus web application. Automated integration between the payment management web app and QuickBooks via APIs and webhooks, ensuring data synchronization. Implemented a retry mechanism using Azure Function Apps and Service Bus to handle failed QuickBooks API integrations for entities such as customers, invoices, and inventory, reducing manual intervention. Developed automation for sending transaction-related email and SMS templates, and provided API endpoints and payloads for frontend teams. Collaborated with frontend teams to deliver full-stack solutions. Built responsive Payment Receipt components and enhanced the Invoice Report module with real-time data visualization and pagination.

Full stack .NET Developer at Nebulex Pty Ltd

May 1, 2024 - October 21, 2025

Contributed to migrating a legacy .NET 4.7 system to .NET 7, updating codebases, resolving compatibility issues, and improving performance and security. Managed IIS during migration, configuration, deployment and troubleshooting. Participated in full-stack development with focus on UX and performance. Integrated Python OpenCV with a C# .NET application for processing inputs (frame design, facial image) to calculate Optical Center and Pupillary Distance, leveraging serverless AWS Lambda functions for processing and scaling.

.NET Backend Developer at CashJar

March 1, 2024 - Present

Developed and maintained RESTful APIs for payment and financial systems; Built API integrations with QuickBooks, syncing invoices, customers, and inventory; Implemented retry mechanisms (Azure Functions + Service Bus) for failed integrations; Designed scalable microservices architecture for modular system growth; Collaborated with frontend teams by providing clean API contracts and payload structures.

Full Stack .NET Developer at Nebulex Pty Ltd

March 1, 2023 - May 1, 2024

Migrated legacy systems to .NET 7, improving performance and maintainability; Developed Web APIs and full-stack features across multiple applications; Built and maintained React-based UI components, integrating APIs for dynamic data display; Integrated external services (AWS Lambda, OpenCV, SSO systems); Supported deployment, debugging, and production systems.

Full Stack .NET Developer at Provincial Government of Davao del Norte

January 1, 2017 - January 1, 2023

Developed enterprise systems (HR, Procurement, Inventory); Designed backend architecture for high-volume inventory and procurement workflows; Integrated multiple systems to ensure smooth data flow across departments; Improved performance and scalability of legacy applications.

Software Developer (Inventory System) at LYR Group of Companies

January 1, 2013 - January 1, 2016

Built a warehouse inventory system with barcode support, batch tracking, and FIFO/LIFO inventory logic; Designed database schema and system architecture.