Senior Javascript Engineer

hamsterยท Engineering
Apply Now โ†—
๐ŸŒ Remote๐Ÿ“ Auckland๐Ÿ“ San FranciscoFullTime

About this 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).

Frequently Asked Questions

Is the salary disclosed for the Senior Javascript Engineer position at hamster?
The salary for this Senior Javascript Engineer role at hamster is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Is the Senior Javascript Engineer job at hamster remote?
Yes, this Senior Javascript Engineer position at hamster is remote, with team members based in Auckland, San Francisco. You can work from home or anywhere in the supported regions.
Is the Senior Javascript Engineer role at hamster full-time or part-time?
This is listed as a FullTime position. It is posted as a Senior Javascript Engineer role in the Engineering department at hamster.
Which team or department does the Senior Javascript Engineer at hamster belong to?
This Senior Javascript Engineer position is part of the Engineering department at hamster. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Javascript Engineer position at hamster?
Click the "Apply Now" button on this page. You will be redirected to hamster's official application portal hosted on ashby where you can submit your application directly.
When was the Senior Javascript Engineer job at hamster posted?
This Senior Javascript Engineer position at hamster was posted on Oct 14, 2025. Apply as soon as possible โ€” early applications are often reviewed first.
Senior Javascript Engineer
hamster
Apply for this role โ†—

You'll be redirected to hamster's official application page on Ashby ATS.