Sr .Net Developer

Symbos; Manila; On-site; PHP 900,000 - 1,800,000; Full time

Job summary

Symbos is seeking a Senior .NET Developer in Metro Manila to design, develop, and maintain secure, scalable applications using .NET Core and Angular. You will work with Azure/AWS and CI/CD to deliver data-driven solutions aligned with business needs.

The role emphasizes security, performance tuning, and collaboration within Agile teams to ship reliable software and contribute to AI/ML features. Join a people-first tech culture that values innovation and growth.

Qualifications

• 5+ years of .NET Core development experience.
• Strong expertise in C#, ASP.NET Core, RESTful APIs, EF, and SQL Server.
• Experience with Angular front-ends and integration with APIs.
• Cloud experience with Azure and AWS.
• CI/CD, Git, and Agile/Scrum experience.
• Security practices: authentication, authorization, encryption.

Responsibilities

• Design, develop, and maintain secure, scalable web applications and APIs using .NET Core.
• Build and optimise data access layers using Entity Framework and SQL techniques.
• Write and tune high-performance SQL queries and stored procedures.
• Work on Angular-based front-end components and integrate with backend APIs.
• Ensure data integrity, system reliability, and secure handling of information.
• Apply security best practices including authentication, authorization, and encryption.
• Collaborate with DevOps and security teams on CI/CD pipelines and deployments.
• Conduct code reviews, write unit/integration tests, maintain high code quality.
• Monitor and optimise database performance including indexing and query tuning.
• Integrate or support AI/ML-driven features and data-driven solutions.
• Work in Agile teams, contributing to sprints and retrospectives.

Skills

C#

ASP.NET Core

RESTful APIs

Entity Framework

SQL Server

Angular

Azure

AWS

CI/CD

Git

Agile/Scrum

Security best practices

Education

Tertiary qualifications in IT or related field

Tools

Azure

AWS

Job description

At Symbos, growth is more than a goal, it’s part of our DNA. As a technology‑driven company with a people‑first culture, we blend innovation, empathy and operational excellence to deliver meaningful digital solutions. We’re now seeking a Senior .NET Developer to join our team and help us shape the future of connected experiences.

As a Senior .NET Developer at Symbos, you’ll work alongside passionate professionals to design and build secure, scalable, and data‑driven applications using the latest in .NET, Angular, AI and cloud technologies. You’ll play a key role in delivering solutions that are reliable, secure, and aligned to real business needs.

Responsibilities

• Design, develop, and maintain secure, scalable web applications and APIs using .NET Core
• Build and optimise data access layers using Entity Framework and advanced SQL techniques
• Write and tune high-performance SQL queries and stored procedures across transactional and analytical workloads
• Work on Angular‑based front‑end components and integrate them with backend APIs
• Ensure data integrity, system reliability, and secure handling of sensitive information
• Apply security best practices, including authentication, authorisation, and encryption
• Collaborate with DevOps and security teams to maintain secure CI/CD pipelines and deployments
• Conduct code reviews, write unit and integration tests, and maintain high code quality standards
• Monitor and optimise database performance, including indexing and query tuning
• Integrate or support AI/ML‑driven features and modern data‑driven solutions
• Work within Agile teams, contributing to sprints, estimations, and retrospectives

Qualifications

• Tertiary qualifications in IT or a related field
• At least 5+ years of experience in .NET Core development
• Strong expertise in C#, ASP.NET Core, RESTful APIs, Entity Framework, and SQL Server
• Proven experience working with complex databases, including performance tuning and query optimisation
• Solid understanding of application security practices, including authentication, authorisation, and encryption
• Experience with Angular (or similar modern front‑end frameworks) and integrating front‑end with backend APIs
• Familiarity with cloud platforms such as Azure and AWS
• Experience with CI/CD, Git, and Agile/Scrum environments
• Exposure to AI APIs or machine learning integration is advantageous
• Strong problem‑solving skills, attention to detail, and a commitment to building secure, maintainable systems
• Ability to work independently while collaborating effectively with stakeholders and cross‑functional teams

If you’re a strong problem‑solver who enjoys working on secure, data‑driven systems and wants to make a meaningful impact, we’d love to hear from you.

Join Symbos and be part of a supportive environment where your ideas matter, your growth is encouraged, and your work truly makes a difference.