Senior Software Engineer – AI Platforms & Intelligent Systems
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New York, NY

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Remote

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Contract

|Job ID 71670|Posted Sep 12, 2025
JOB DESCRIPTION

We are seeking a talented Senior Software Engineer to join our dynamic team, focusing on AI Platforms and Intelligent Systems. This role offers the opportunity to work on innovative projects that shape the future of intelligent services and products.

Responsibilities

  • Design and develop scalable backend services utilizing Node.js, MongoDB, and cloud technologies such as AWS and Azure.
  • Create and maintain frontend applications using frameworks like Angular or similar.
  • Build and optimize AI pipelines, including retrieval-augmented generation and embedding workflows.
  • Integrate with large language model platforms and vector databases to enhance system capabilities.
  • Collaborate with cross-functional teams in an Agile environment to drive project success.
  • Contribute to continuous integration and delivery processes, ensuring high-quality code output.

Skills

  • Minimum of 5 years of experience in developing AI-powered applications and full-stack solutions.
  • Proficient in Node.js, MongoDB, and modern frontend frameworks.
  • Strong understanding of CI/CD practices and Agile methodologies.
  • Experience in AI integration and working with vector databases.
  • Ability to work independently and thrive in a fast-paced environment.

Preferred Skills

  • Familiarity with LangChain, Semantic Kernel, or similar frameworks.
  • Knowledge of multi-agent systems and autonomous workflows.
  • Exposure to AI observability and evaluation frameworks.

We are committed to fostering a diverse, equitable, and inclusive workplace where every individual feels valued and empowered to contribute their unique perspectives and talents.

Once you apply for this position, you may receive a phone call, SMS or email at the time of application from our Virtual AI Recruiter, Alex, to conduct an initial interview.

Horizontal is proud to be an Equal Opportunity and Affirmative Action Employer. 

We seek to provide employment opportunities to talented, qualified candidates regardless of race, color, sex/gender including gender identity and/or expression, national origin, religion, sexual orientation, disability, marital status, citizen status, veteran status, or any other protected classification under federal, state or local law.

In addition, Horizontal will provide reasonable accommodations for qualified individuals with disabilities. If you need to request a reasonable accommodation in order to complete the application or interview process, please contact us.

All applicants applying must be legally authorized to work in the country of employment.