Back to all jobs
Hamster logo

Senior Javascript Engineer

Hamster
AucklandHybrid
Employment
Full-time
Seniority
Senior

About the role

You will need a strong background in modern JavaScript frameworks and a deep understanding of full-stack development. You will be instrumental in designing, developing, and maintaining scalable and high-performance applications, with a particular focus on integrating cutting-edge AI capabilities.

Responsibilities

  • Lead the design, development, and deployment of complex web applications using Next.js and NestJS.

  • Develop robust and efficient backend services with Node.js, interacting with PostgreSQL databases.

  • Implement and maintain real-time messaging solutions.

  • Apply expertise in AI prompt engineering to optimize interactions with large language models.

  • Contribute to the training and fine-tuning of machine learning models.

  • Develop and integrate features related to embedding, chunking, and Retrieval Augmented Generation (RAG).

  • Write clean, maintainable, and well-documented code in TypeScript.

  • Collaborate closely with product managers, designers, and other engineers to define, design, and ship new features.

  • Mentor junior engineers and contribute to best practices within the team.

  • Participate in code reviews to ensure code quality and adherence to standards.

Required Skills and Qualifications

  • Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.

  • 5+ years of experience as a JavaScript Engineer, with a focus on full-stack development.

  • Proficiency in TypeScript.

  • Strong experience with PostgreSQL.

  • Extensive experience with Next.js for front-end development.

  • Demonstrated experience with NestJS for backend development.

  • Proven experience with AI prompt engineering.

  • Familiarity with model training concepts and practices.

  • Experience implementing and managing real-time messaging systems.

  • Understanding and practical application of embedding and chunking techniques.

  • Experience with Retrieval Augmented Generation (RAG) implementation.

  • Solid understanding of software design principles, data structures, and algorithms.

  • Excellent problem-solving skills and attention to detail.

  • Strong communication and interpersonal skills.

Preferred Qualifications

  • Experience with cloud platforms (AWS, Azure, GCP).

  • Familiarity with containerization technologies (Docker, Kubernetes).

  • Experience with testing frameworks (e.g., Jest, React Testing Library).

483,000+ hidden jobs like this

Hamster and thousands of companies post here first — often days before LinkedIn or Indeed. Your first 5 applications are free; go Pro to apply without limits.

Everything Pro unlocks:

  • Unlimited applications — free stops at 5
  • Track every application in one place
  • Apply straight to the source, one click
  • Save & organize roles you love
  • Roles pulled from company boards before the big sites

Weekly

$9.99
$4.99/week

For an active search. Cancel anytime.

Most popular

Monthly

$24.99
$12.99/month

The smart pick. Save 35% vs weekly.

Lifetime

$99
$49.99once

Pay once. Every future feature, forever.