Senior Python Developer

Private Advertiser; Philippines; On-site; PHP 1,000,000 - 1,500,000; Full time

Job summary

Private Advertiser is seeking a skilled full-stack engineer to design and build scalable web applications using Python for backend services and React for frontend interfaces. You will develop end-to-end web solutions, including data processing pipelines and API integrations, ensuring robust performance and reliability.

You will work with LangChain / LangGraph for GenAI workflows, collaborate with cross-functional teams in an Agile environment, and contribute to secure, enterprise-grade

Qualifications

• Bachelor’s degree in CS/IT/Engineering.
• 3–5 years of full-stack experience.
• 2+ years in Python backend development.
• Experience with SQL databases and data processing pipelines.
• Experience with React JS and frontend frameworks.
• GenAI/LLM application development with LangChain/LangGraph.
• Agile/Scrum delivery experience.

Skills

Python Backend

SQL

React JS

LangChain / LangGraph

API Development

Agile / Scrum

GenAI / LLM

Communication

Cross-functional teamwork

Education

Bachelor's degree in Computer Science / IT / Engineering

Job description

QUALIFICATIONS

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field
• At least 3–5 years of experience in full-stack development
• At least 2+ years of experience in Python-based backend development
• Proven experience building and deploying web applications end -to-end
• Experience working with SQL databases and data processing pipelines
• Experience with modern frontend frameworks, preferably React JS
• Experience with API development/integration and backend services
• Exposure to GenAI / LLM application development, preferably using LangChain and/or LangGraph
• Experience working in Agile / Scrum delivery environments
• Strong communication skills and ability to work with cross-functional teams

MUST-HAVE SKILLS & EXPERIENCE

Core Technical Skills:

• Python - Strong coding proficiency in Python for backend services, data processing, and application logic SQL - Ability to write complex queries, optimize performance, and work with relational databases LangChain / LangGraph - Hands-on experience building LLM-powered workflows, agent-based orchestration, or RAG-style applications
• React JS - Experience developing responsive and user-friendly frontend applications
• Backend Development - Experience building and maintaining APIs, Function Apps, ETL / data pipelines

Development and Integration:

• Experience integrating frontend and backend components into a working application
• Understanding of application architecture, modular design, and reusable components
• Experience with testing, debugging, and troubleshooting

Enterprise Delivery Skills:

• Ability to work in a structured delivery setup with defined timelines and requirements
• Strong problem-solving and analytical skills
• Ability to translate business requirements into technical solutions

NICE-TO-HAVE SKILLS & EXPERIENCE

• Azure experience
• Azure OpenAI / AI application development
• RAG / LLM application experience
• Banking or financial services background
• Experience with secure and enterprise-grade application development