Full Stack Engineer (Java & Python AI)

Confidential; Makati; On-site; PHP 1,500,000 - 2,500,000; Full time

Job summary

Confidential is seeking an engineer in Metro Manila with deep expertise in Java Spring Boot and Python web frameworks. The role covers backend API development, GenAI features, and frontend work with React or Angular.

You will design, build, and operate services that leverage modern AI patterns, including LLMs, RAG, memory systems, and guardrails, while maintaining strong software craftsmanship.

Qualifications

• 10+ years of software engineering experience in large, complex systems.
• 5+ years working with Java Spring Boot microservices and REST/JSON APIs.
• 5+ years of Python backend development with Flask/FastAPI/Django and async programming.
• 1+ year hands-on GenAI experience with LLMs, RAG, tool calling, embeddings, guardrails.
• 3+ years front-end with React or Angular, plus Docker, Kubernetes, CI/CD, and observability.

Responsibilities

• Backend & API development using Java Spring Boot and Python frameworks.
• Design and implement GenAI features, RAG pipelines, and agentic AI workflows.
• Build user interfaces with React or Angular.
• Manage data infrastructure including vector stores, embeddings, and caching.
• Ensure quality through PyTest, CI automation, and robust observability.

Skills

Java

Spring Boot

Python

React

Angular

Tools

Docker

Kubernetes

CI/CD

Kafka

Redis

LangChain/LangGraph

Job description

We are seeking an engineer who is exceptional in Java Springboot, experienced with web frameworks (Flask, FastAPI, Django), comfortable building frontends (React, Angular), and capable of delivering production-grade GenAI solutions (LLMs, RAG, Agents/Agentic AI, MCP, guardrails). Candidate should be able to design, build, and operate services and applications that leverage modern AI patterns with strong software craftsmanship.

Key Responsibilities

• Backend & API Development: Build robust backend services and APIs using Java Spring Boot and Python frameworks like Flask, FastAPI, or Django.
• GenAI & Agentic Solutions: Design and implement Large Language Model (LLM) features, Retrieval-Augmented Generation (RAG) pipelines, memory systems, prompts, and agentic workflows.
• Full-Front-End Work: Create user interfaces with React or Angular.
• Data & Infrastructure: Handle vector stores, embeddings, caching, and secure data connectors.
• Quality & Testing: Manage testing using PyTest, integration tests, CI automation, and implement AI guardrails and observability.

Qualifications

• 10+ years of software engineering experience in designing, developing, troubleshooting, and supporting large, complex systems.
• Strong Java/Spring Boot Microservices expertise - 5+ years of microservices development and 3+ years of Spring Boot, with hands-on experience in REST/JSON APIs and object-oriented design.
• Advanced Python backend development - 5+ years of Python experience, including Flask/ FastAPI/ Django, API design, asynchronous programming, testing, packaging, and performance optimization.
• GenAI / Agentic AI experience - At least 1 year of hands-on experience with LLMs, RAG, agentic workflows, tool/function calling, MCP, embeddings, guardrails, and frameworks such as LangGraph/LangChain or CrewAI.
• Full-stack, cloud, and DevOps capabilities - 3+ years with React or Angular, plus experience with Docker, Kubernetes, CI/CD, Kafka, databases/vector DBs, Redis, cloud infrastructure, and observability.