Senior Software Engineer: Lead Architect for Scalable Web Apps

Interact Software; Manila; On-site; PHP 1,800,000 - 2,400,000; Full time

Job summary

Interact Software seeks a Senior Software Engineer to design, develop, and maintain enterprise-grade solutions used by millions. You’ll lead architectural decisions, mentor engineers, and work across Product, Delivery, and Engineering teams to deliver scalable features.

The role emphasizes API-first development with ASP.NET, ReactJS frontends, C#, and SQL Server, plus Docker, CI/CD tooling, and Playwright-based tests. You will drive quality and innovate within a fast-paced environment.

Qualifications

• Minimum 5+ years of professional experience in software development, with a focus on API first backends, ASP.Net and ReactJS frontends.
• Proven experience in developing engaging, scalable, high-performance Web UI and APIs using C#, ASP.NET, SQL Server.
• Familiarity with Docker containers, Agile/Scrum, and Git-based workflows; strong collaboration with Product, Delivery and Engineering Managers.

Responsibilities

• Design and develop high-quality software solutions using C#, ASP.NET, ReactJS, Node.js and SQL Server.
• Lead architectural discussions and enforce SOLID design patterns and best practices.
• Mentor junior engineers and collaborate with UX/UI, QA, and DevOps teams.
• Implement and maintain unit and automated tests using Playwright.
• Manage source code with Git and oversee CI/CD pipelines with TeamCity and Octopus Deploy.

Skills

API backends

ASP.NET

ReactJS

C#

SQL Server

T-SQL

Stored procedures

SQL Transactions

Docker

Agile/Scrum

Git

Playwright

ElasticSearch

Redis

AWS

CI/CD

TeamCity

Octopus Deploy

Jira

Confluence

Education

Minimum 5+ years of professional experience in software development

Tools

Git

Docker

TeamCity

Octopus Deploy

Jira

Confluence

Playwright

Job description

Interact Software seeks a Senior Software Engineer to design, develop, and maintain enterprise-grade solutions used by millions. You’ll lead architectural decisions, mentor engineers, and work across Product, Delivery, and Engineering teams to deliver scalable features.

The role emphasizes API-first development with ASP.NET, ReactJS frontends, C#, and SQL Server, plus Docker, CI/CD tooling, and Playwright-based tests. You will drive quality and innovate within a fast-paced environment.