Full Stack Developer (.NET Core, React, MS SQL Server)

Socium - Teams Done Differently; Mandaluyong; On-site; PHP 900,000 - 1,300,000; Full time

Job summary

Socium - Teams Done Differently is seeking a Staff Developer to own end-to-end feature delivery in an enterprise-grade web application. You will design .NET Core REST APIs, build React front-end interfaces, and manage MS SQL Server for robust data workloads in a collaborative Agile team.

You will lead technical design decisions, drive engineering standards, and participate in CI/CD practices using Azure DevOps within a global delivery setup in Mandaluyong, Philippines.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or related field.
• 5–8 years of experience in full-stack web development with hands-on delivery in .NET Core and React.
• Strong REST API design and implementation using ASP.NET Core, with authentication (JWT/OAuth2).
• Extensive MS SQL Server experience including complex T-SQL, stored procedures, views, and performance tuning.
• Experience designing, versioning and consuming REST APIs and integrating with enterprise services.
• Ability to lead feature design, code reviews, and promote engineering best practices.

Responsibilities

• Build and maintain .NET Core backend services and RESTful APIs with proper authentication and versioning.
• Develop React frontend components with state management and responsive UI integration to .NET Core APIs.
• Maintain MS SQL Server schemas, procedures, views, and queries with performance considerations.
• Lead technical design for complex features and translate requirements into API contracts and data models.
• Integrate applications with internal and third-party enterprise systems and handle authentication flows.
• Drive code quality through reviews, identify technical debt, and promote standards.
• Apply full SDLC across development, testing, deployment, and production support.
• Participate in Agile ceremonies and CI/CD delivery using Azure DevOps.

Skills

.NET Core

React

MS SQL Server

REST API

Azure DevOps

CI/CD

Git

Agile

English communication

Education

Bachelor's degree in Computer Science / Software Engineering

Tools

ASP.NET Core

React.js

Azure services

SSMS

Job description

Staff Developer (.NET Core, React, MS SQL Server)

If you are an Application Developer with strong .NET Core backend and React frontend skills, this role offers the opportunity to build and maintain enterprise-grade web applications, designing .NET Core REST API services, delivering React front-end interfaces, and working with MS SQL Server to support the client's Lifecycle Services IT organization. You will own end-to-end feature delivery, contribute to technical design decisions, and help raise engineering standards across a collaborative Agile team.

Mandaluyong City, Philippines!

In This Role, Your Responsibilities Will Be:

• Build, and maintain .NET Core backend services and RESTful APIs, including controller design, middleware, dependency injection, authentication (JWT/OAuth2), and API versioning.
• Build and maintain React.js front-end components, including state management (Redux or Context API), responsive UI design, and integration with .NET Core API backends.
• Maintain MS SQL Server database schemas, stored procedures, views, and queries (SQL Server 2016 or above), while applying relational data modeling best practices for enterprise application workloads.
• Lead technical design for complex features by translating business requirements into well-structured API contracts, data models, and front-end component architecture.
• Integrate applications with internal enterprise systems and third-party REST APIs, defining integration patterns and handling authentication flows, data transformation, and error management.
• Drive code quality within the team, conduct thorough code reviews, identify technical debt, and recommend improvements to engineering standards and patterns.
• Apply the full SDLC across the application portfolio, including design, development, testing, deployment, and production support.
• Debug and resolve production issues across .NET Core, MS SQL Server, and React layers, maintain technical documentation, and participate in Agile ceremonies and CI/CD delivery practices using Azure DevOps.

Who You Are:

You readily take on new challenges and display a can-do attitude in good and difficult times. You act with a clear sense of ownership and take personal responsibility for decisions, actions, and failures. You effectively communicate in various settings and provide timely, helpful information to individuals across the organization. You partner with others to get work done and create teamwork that allows the organization to achieve shared objectives. You are curious and eager to learn and you seek feedback, grow from it, and continuously improve your craft.

For This Role, You Will Need:

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 5–8 years of experience in full-stack web development with hands-on delivery in .NET Core and React.
• Strong proficiency in building REST API services using ASP.NET Core, including controller and route design, dependency injection, middleware pipeline, model validation, and authentication (JWT/OAuth2).
• Strong hands-on experience with MS SQL Server, including complex T-SQL queries, stored procedures, views, indexes, schema design, and query performance tuning.
• Experience designing, versioning, and consuming REST APIs, solid understanding of HTTP patterns, authentication (JWT, OAuth2, API key), and integration with third-party enterprise services.
• Demonstrated ability to lead feature design, conduct meaningful code reviews, and drive engineering best practices within a delivery team.
• Solid familiarity with Git branching strategies, Azure DevOps or similar CI/CD tools, and sprint-based delivery with strong English communication skills.

Preferred Qualifications that Set You Apart

• Experience with .NET 6/7/8 features: minimal APIs, SignalR, background services (IHostedService, Worker Services), or gRPC.
• Familiarity with Azure services in a .NET context such as Azure App Service, Azure SQL, Azure Service Bus, or Azure Key Vault.
• Knowledge of SQL Server performance tuning, including execution plans, index optimization, and query analysis using SSMS.
• Experience with unit and integration testing in .NET, including xUnit, NUnit, or MSTest, and React testing (Jest, React Testing Library).
• Exposure to microservices patterns or API gateway architecture in a .NET ecosystem.
• Experience with Azure DevOps CI/CD pipelines for .NET build, test, and deployment automation
• Experience working in international, cross-time zone Agile delivery teams.