Senior Software Engineer - Rails/JS, AI-Driven Features

ProSource; Philippines; On-site; PHP 1,200,000 - 2,000,000; Full time

Job summary

ProSource, a leader in building and managing distributed tech teams, seeks a Senior Software Engineer. You will contribute across the stack with Ruby on Rails, JavaScript, React, and AWS, delivering end-to-end features and automated tests while collaborating with Product and UX. AI-assisted development experience is a plus.

You will own features from design through release, diagnose defects, review code, and participate in agile ceremonies to ensure high-quality, timely delivery.

Qualifications

• Proficient in Ruby on Rails and JavaScript across full stack.
• Strong SQL and database design experience.
• Experience building Single Page Applications.
• Ext.js experience is a plus.
• Experience with PostgreSQL, AWS, REST APIs and third‑party integrations.
• Experience with automated testing (RSpec) and React.
• Experience developing AI solutions (LangChain, Bedrock).

Responsibilities

• Hands-on development and writing production‑ready code across the full stack.
• Own features end to end: implementation, tests, reviews, and release support.
• Diagnose and resolve defects across the stack and review peers' PRs.
• Contribute to design discussions, surface risks, and plan work before coding.
• Break tasks into realistic estimates and collaborate with Product and UX.
• Participate in agile ceremonies and communicate progress clearly.
• Use AI tooling as part of the development lifecycle and ensure accountability.
• Deliver quality and maintain automated test coverage.
• Follow CI/CD and release processes and share knowledge with the pod.

Skills

Ruby on Rails

JavaScript

SQL

Single Page Applications

React

AWS

PostgreSQL

REST APIs

AI development

LangChain

Amazon Bedrock

Tools

Ext.js

CI/CD

Job description

ProSource, a leader in building and managing distributed tech teams, seeks a Senior Software Engineer. You will contribute across the stack with Ruby on Rails, JavaScript, React, and AWS, delivering end-to-end features and automated tests while collaborating with Product and UX. AI-assisted development experience is a plus.

You will own features from design through release, diagnose defects, review code, and participate in agile ceremonies to ensure high-quality, timely delivery.