Senior Full Stack Developer (Generative AI Specialist)

Halosis; Jakarta Barat; On-site; IDR 100.000.000 - 200.000.000; Full time

Job summary

A leading startup in conversational AI solutions is looking for a Senior Full Stack Developer with extensive experience in Generative AI development. This hands-on leadership role involves designing and building AI-powered applications, integrating various technologies like PHP, Node.js, and Python. The ideal candidate will have over 5 years of professional experience, exceptional problem-solving skills and a strong understanding of scalable architecture. Join us in shaping the future of conversational and automation technologies.

Benefits

Competitive salary

Innovative work environment

Opportunities for personal growth

Qualifications

• Minimum 5 years of professional experience as a Full Stack Developer.
• Strong proficiency in PHP Laravel, Node.js, or Python.
• Proven experience in AI or Generative AI development.
• Strong knowledge of RESTful APIs and microservices architecture.
• Experience with cloud platforms and containerization.

Responsibilities

• Design and develop AI-powered applications and APIs.
• Build scalable APIs and backend services using modern technologies.
• Implement intelligent front-end interfaces.
• Collaborate with teams to design and deploy AI models.
• Lead code reviews and provide technical mentorship.

Skills

PHP Laravel

Node.js

Python

AI development

RESTful APIs

microservices architecture

database design

Docker

Kubernetes

React

Next.js

Vue.js

Tools

AWS

GCP

Azure

Job description

Senior Full Stack Developer (Generative AI Specialist)

We’re looking for an experienced Senior Full Stack Developer with a strong background in Generative AI development to join our product engineering team.

You will help with the design and development of AI-powered applications and APIs, integrating them into Halosis’s core platform and helping shape the next generation of conversational and automation technologies.

This is a hands-on technical leadership role — perfect for someone who thrives at the intersection of AI innovation, scalable architecture, and real-world impact.

Design and develop full stack applications integrating LLMs (Large Language Models), NLP, and Generative AI frameworks

Build scalable APIs and backend services using PHP Laravel, Node.js, or Python (FastAPI/Flask)

Implement intelligent front-end interfaces using React, Next.js, or Vue.js

Collaborate with data and product teams to design, train, and deploy AI models for automation, chat, and content generation

Optimize performance, scalability, and security across the stack

Lead code reviews, provide technical mentorship, and uphold engineering best practices

Explore and adopt new Gen AI tools and frameworks (OpenAI, Anthropic, LangChain, Hugging Face, etc.)

Requirements:

Minimum 5 years of professional experience as a Full Stack Developer

Strong proficiency in PHP Laravel, Node.js, or Python

Proven experience in AI or Generative AI development (OpenAI API, Hugging Face, LangChain, or similar frameworks)

Strong knowledge of RESTful APIs, microservices architecture, and database design

Experience with cloud platforms (AWS, GCP, Azure) and containerization (Docker/Kubernetes)

Excellent problem-solving, analytical, and architectural skills

Strong collaboration and communication abilities

Experience developing AI chatbots, virtual assistants, or automation systems

Knowledge of vector databases (Pinecone, Chroma, Weaviate)

Familiarity with prompt engineering and fine-tuning LLMs

Contributions to open-source AI projects

What's your expected monthly basic salary?

Which of the following types of qualifications do you have?

How many years' experience do you have as a Full Stack Developer?

Which of the following programming languages are you experienced in?

Which of the following front end development libraries and frameworks are you proficient in?

How much notice are you required to give your current employer?

How many years' experience do you have as a Generative AI Engineer?

Computer Software & Networking 11-50 employees

Halosis is an award winning startup that creates conversational commerce solution with AI. If you want to be a part of the AI revolution come and join us!

– Misi Halosis.

Halosis is an award winning startup that creates conversational commerce solution with AI. If you want to be a part of the AI revolution come and join us!