Senior .NET Developer: Cloud, API & AI-Driven Solutions

GECO Asia Pte. Ltd; Muntinlupa; On-site; PHP 900,000 - 1,500,000; Full time

Job summary

GECO Asia is seeking a Senior .NET Developer to join our IT team in Manila/Metro Manila, to design, develop, test, and maintain enterprise applications using .NET technologies. You will collaborate with cross-functional teams following Agile and Waterfall methodologies, delivering APIs, cloud-based solutions, and scalable systems.

The ideal candidate has 5+ years of hands-on .NET development, strong SQL Server, React JS, and CI/CD experience, plus cloud deployment proficiency in Azure.

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or a related field.
• Minimum 5 years of hands-on software development experience using .NET technologies.
• Strong knowledge of .NET concepts including Multi-threading, Generics, Serialization, and Thread Pools.
• Extensive experience developing and consuming Web Services and Web APIs using SOAP, REST, WSDL, SOAP UI, and related technologies.
• Experience implementing authentication and authorization mechanisms for Web APIs.
• Hands-on experience deploying and managing .NET applications and APIs in Microsoft Azure or other cloud platforms.
• Experience using GitHub Actions for CI/CD deployments to Azure App Services and AKS.
• Strong expertise in Microsoft SQL Server, database design, and performance-optimized T-SQL development.
• Proficiency in HTML, CSS, JavaScript, AJAX, and React JS.
• Experience building responsive web applications with cross-browser compatibility.

Responsibilities

• Design, develop, test, debug, and maintain high-quality software solutions.
• Ensure overall solution design quality and adherence to software development best practices.
• Make key system design and integration decisions and communicate implementation approaches to development teams.
• Collaborate with business stakeholders, architects, and technical teams to identify system requirements, priorities, and technical solutions.
• Manage system enhancements and ensure solutions align with business and technical objectives.
• Translate business and technical requirements into detailed solution designs.
• Work closely with project teams to deliver new application capabilities and resolve system issues.
• Contribute to project planning, effort estimation, and development timelines.
• Analyze the feasibility, cost, timing, and compatibility of proposed solutions.
• Ensure application performance, scalability, reliability, and security requirements are met.
• Develop and support web services, APIs, and cloud-based applications.
• Perform manual and automated unit testing to validate solutions.
• Participate throughout all phases of the Software Development Life Cycle (SDLC).
• Monitor application health, troubleshoot production issues, and identify root causes of performance and functional problems.
• Leverage AI tools and technologies to improve productivity, software development processes, and solution delivery.

Skills

.NET technologies

Web APIs

Azure

CI/CD

React JS

SQL Server

Docker/Kubernetes

AI tools

SDLC

Education

Bachelor’s degree in Computer Science / Information Systems

Tools

GitHub Actions

Azure App Services

Azure Kubernetes Services (AKS)

Visual Studio / VS Code

Job description

GECO Asia is seeking a Senior .NET Developer to join our IT team in Manila/Metro Manila, to design, develop, test, and maintain enterprise applications using .NET technologies. You will collaborate with cross-functional teams following Agile and Waterfall methodologies, delivering APIs, cloud-based solutions, and scalable systems.

The ideal candidate has 5+ years of hands-on .NET development, strong SQL Server, React JS, and CI/CD experience, plus cloud deployment proficiency in Azure.