Senior Software Engineer

GameOne PH; Quezon City; Hybrid; PHP 1,800,000 - 3,000,000; Full time

Job summary

GameOne PH seeks a Senior Software Engineer (LLM & AI Agents) to lead a development team while remaining hands-on, building scalable AI-powered solutions for business operations. You will work on LLM applications, AI agents, automation, APIs, and system integrations.

The role emphasizes API design, backend services, and reliable code quality, with Claude Code usage to accelerate development and cross-functional collaboration in a hybrid setting.

Qualifications

• Bachelor's degree in Computer Science, IT, Software Engineering, or a related field.
• 5+ years of professional experience in software development, preferably full-stack or backend.
• Proven experience leading or managing software developers.
• Hands-on experience developing AI-powered applications, LLM integrations, RAG, or AI automation.
• Strong knowledge of AI prompting and AI coding assistants.
• Mandatory: Hands-on experience with Claude Code, including agentic terminal workflows, MCP, and/or custom Claude Skills.
• Strong knowledge of REST APIs, system design, OOP, SQL, and relational databases.
• Experience with Git, testing, debugging, CI/CD, and production support.
• Strong problem-solving, communication, and project ownership skills.

Responsibilities

• Lead, mentor, and manage junior to mid-level developers.
• Conduct code reviews and establish development best practices.
• Design and develop scalable web applications, APIs, backend services, and internal tools.
• Build and integrate LLM-powered applications, AI agents, RAG solutions, and automation workflows.
• Use Claude Code and AI-assisted development tools to accelerate coding, debugging, testing, and development workflows.
• Integrate third-party systems such as e-commerce, POS, payment, inventory, logistics, and other business platforms.
• Improve system architecture, database performance, security, and application reliability.
• Support Git, CI/CD, cloud deployments, troubleshooting, and production systems.
• Take ownership of project delivery and collaborate with cross-functional teams.

Skills

5+ years of professional experience

Leading or managing softwaredevelopers

AI prompting and AI coding assistants

REST APIs

SQL

Git, testing, debugging, CI/CD

Problem-solving

Education

Bachelor's degree in Computer Science, IT, Software Engineering, or a related field

Tools

Claude Code

REST APIs

SQL

Git

CI/CD

Cloud platforms

Job description

Senior Software Engineer (LLM & AI Agents)

Location: Philippines – Hybrid
Employment Type: Full-time

About the Role

Were looking for a Senior Software Engineer (LLM & AI Agents) who can lead a development team while remaining hands-on in building scalable software and AI-powered solutions.

You will work on LLM applications, AI agents, automation, APIs, business systems, and system integrations that support real-world business operations.

Key Responsibilities

• Lead, mentor, and manage junior to mid-level developers.
• Conduct code reviews and establish development best practices.
• Design and develop scalable web applications, APIs, backend services, and internal tools.
• Build and integrate LLM-powered applications, AI agents, RAG solutions, and automation workflows.
• Use Claude Code and AI-assisted development tools to accelerate coding, debugging, testing, and development workflows.
• Integrate third-party systems such as e-commerce, POS, payment, inventory, logistics, and other business platforms.
• Improve system architecture, database performance, security, and application reliability.
• Support Git, CI/CD, cloud deployments, troubleshooting, and production systems.
• Take ownership of project delivery and collaborate with cross-functional teams.

Qualifications

• Bachelor's degree in Computer Science, IT, Software Engineering, or a related field.
• 5+ years of professional experience in software development, preferably full-stack or backend.
• Proven experience leading or managing software developers.
• Hands-on experience developing AI-powered applications, LLM integrations, RAG, or AI automation.
• Strong knowledge of AI prompting and AI coding assistants.
• Mandatory: Hands-on experience with Claude Code, including agentic terminal workflows, MCP, and/or custom Claude Skills.
• Strong knowledge of REST APIs, system design, OOP, SQL, and relational databases.
• Experience with Git, testing, debugging, CI/CD, and production support.
• Strong problem-solving, communication, and project ownership skills.

Preferred Technical Skills

Backend: Node.js, Python, PHP, Java, C#, or similar
Frontend: React, Angular, Vue.js, or similar
AI/ML: LangChain, LlamaIndex, RAG, Vector Databases
Database: MySQL, PostgreSQL, MS SQL Server
Cloud: AWS, Azure, or Google Cloud
DevOps: Docker, Linux, CI/CD
Systems: ERP, POS, e-commerce, inventory, warehouse, or retail systems

Why Join Us?

• Build and deploy real-world AI solutions.
• Work closely with C-Level leadership and experienced professionals.
• Gain continuous exposure to LLMs, AI agents, and emerging AI technologies.
• Flexible hybrid/remote work environment.
• Competitive compensation and career growth opportunities.

If you're a strong software engineer who enjoys leading teams and building practical AI solutions, we'd love to hear from you.