YUGENOX·JOBS

Senior Javascript Engineer

Hamster · San Francisco

hybridfull-timeHardware & Other EngineeringEngineering

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).

Text as published by Hamster. We don't edit postings; apply and ask questions on the employer's site.

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Posted
Oct 14, 2025 (13 months ago)
First seen by us
Nov 7, 2026
Still listed
Nov 11, 2026
Source
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