Fullstack Engineer (AI SaaS/MCP Ads System/Java/Python)

Job description

About Cluega

Cluega is developing an AI SaaS ecosystem and an MCP Automation platform serving multi-platform advertising (TikTok, Meta, Google Ads). We are looking for Backend Engineers with systemic thinking, hands-on product development capabilities, and a readiness to work in an AI-First Development environment.

You will participate in building:

• AI SaaS Platform
• MCP Workflow Engine
• API Gateway & Automation Layer
• Ads Data Pipeline
• AI Agent Workflow
• Realtime Dashboard System
• Cross-platform Integration

Job Description

• Design, develop, and optimize the Back-end system for the AI SaaS and Automation platforms.
• Build APIs, Database Structures, Queue Systems, Cache Layers, and Service Architecture.
• Integrate and develop systems connecting with TikTok Ads API, Meta Ads API, and Google Ads API.
• Build realtime systems, dashboards, webhooks, and automation workflows.
• Coordinate with Front-end, Product, and AI Teams to deploy new features.
• Optimize system performance, security, and scalability.
• Utilize AI Coding Tools to accelerate development speed and improve product quality.
• Participate in building an AI-Native Development Workflow for the entire product lifecycle.

Your skills and experience

Technical Skills

• Proficient in Back-end and Front-end development.
• Ability to independently design and develop API and Server-side systems.
• Proficient in at least one of the following languages:
  • Node.js
  • Golang
  • Python
  • Java
• Experience working with:
  • MySQL or PostgreSQL
  • Redis
  • RESTful API
  • WebSocket
  • Queue System
  • Docker
  • Linux
  • Git

AI Development Workflow

• Required: Experience using AI Coding Tools in daily work.
• Ability to apply AI into:
  • Code Generation
  • Refactoring
  • Debugging
  • Documentation
  • Rapid Prototyping

Mindset and Competencies

• Strong logical thinking and problem-solving skills.
• Ability to comprehend and work with large-scale systems.
• Proactive, responsible, and highly eager to learn.
• Fast adaptability to an AI-First environment and the rapid pace of a tech startup.

Foreign Languages

• Ability to read and understand English technical documentation.
• Capable of basic communication and work exchanges in English.

Plus Points

Priority will be given to candidates who have worked with:

• AI Tools or AI Agents
• SaaS Platforms
• Advertising Technology (AdTech)
• Marketing Technology (MarTech)
• Data Pipelines
• Realtime Dashboards
• MCP or Workflow Automation
• Proficiency in Chinese is an advantage

Interview Process

1. Exchange regarding professional expertise and practical experience.
2. Review of past projects, portfolios, or products participated in.
3. Coding test (if necessary).
4. Candidates may be requested to use an AI Coding Tool during the interview.

How to Apply

Please submit:

• Your latest updated CV
• Portfolio
• GitHub link (if available)
• Actual projects you have participated in

Why you'll love working here

• Competitive salary tailored to capability.
• Direct involvement in building a large-scale AI SaaS system.
• Dynamic, high-speed tech startup environment.
• Access to modern AI Development workflows.
• Opportunities to advance into a Technical Lead or System Architect role.
• Work alongside international tech teams and partners.