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Senior Fullstack Engineer (JS)

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Zoolatech

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Job Description:

We are looking for a Senior FullStack Engineer to join a venture-backed startup that is transforming the quick-service industry with a conversational AI assistant built to handle drive-thru orders with unmatched speed, accuracy, and efficiency. We’re seeking a high-energy, mission-driven professional who thrives in fast-paced environments, embraces continuous learning, and is passionate about shaping the future of AI-driven customer experiences in restaurants. You will become part of a US-based company collaborating closely with the client to improve, develop and scale a voice AI assistant for drive-thru ordering. The product is already deployed in real-world scenarios and is positioned for rapid growth. The team’s current goals include: Boosting automation for the ordering process with a long-term vision of fully eliminating the need for human intervention; Improving the speed, reliability, and accuracy of the ordering process to deliver a seamless experience for both customers and restaurant staff. As part of the core engineering team, you will play a pivotal role in defining the technical architecture, driving innovation, and building a product that is shaping the next generation of restaurant technology.

Job Responsibility:

  • Design, develop, and deploy core components of the AI-driven platform, ensuring scalability, security, quality and high performance
  • Collaborate closely with cross-functional teams to deliver rapid iterations and improvements
  • Make strategic technical decisions that define the architecture, tools, and frameworks used across the platform
  • Integrate AI and LLM-based technologies into production-ready solutions for real-time user interactions
  • Investigate and resolve real-world performance issues, ensuring reliability and exceptional user experience
  • Contribute to shaping technical culture and best practices, including mentoring and supporting future engineering hires
  • Take part in production support duty during daylight hours (7 AM EST – midday EST), including incidents monitoring and troubleshooting as needed

Requirements:

  • Totally 5+ YOE as a FullStack engineer with the knowledge and experience in designing and implementing scalable, reliable systems
  • Backend (the main skill): Node.js, PostgreSQL, RESTful APIs
  • Frontend: HTML, CSS, JavaScript, Typescript, modern frameworks (React, Vue, or similar)
  • Experience with cloud platforms(Microsoft Azure, AWS), Docker, Kubernetes, CI/CD pipelines
  • Building and maintaining automated testing and deployment pipelines
  • SQL and database optimization (PostgreSQL preferred)
  • Ownership mindset and end-to-end project delivery
  • Startup mentality and ability to work in fast-paced environments
  • Problem-solving and debugging complex issues
  • Cross-functional team collaboration
  • Adaptability and eagerness to learn new technologies
  • Clear and proactive communication in English

Nice to have:

  • Experience integrating AI/ML systems or APIs (LLMs, conversational AI frameworks)
  • Python experience would be a huge plus
What we offer:
  • Paid Vacation
  • Sick Days
  • Floating Holidays
  • Sport/Insurance Compensation
  • English Classes
  • Charity
  • Training Compensation

Additional Information:

Job Posted:
December 14, 2025

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