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Senior Fullstack Software Engineer A.I.

PEBL

Salary not specified
Sep 25, 2025
Denver, CO, US
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Pebl aims to simplify global employment by enabling companies to hire, manage, and retain talent anywhere in the world. The company is looking for a Senior Fullstack Software Engineer A.I. to build its conversational AI assistant (Alfie) and transform its product into an AI-first experience.

Requirements

  • 5+ years of professional experience in software engineering, with a strong focus on backend and serverless architecture.
  • 1+ years of hands on experience building Agentic LLM products.
  • Experience standing up and interacting with MCP Servers
  • Experience with Python or Typescript, Postgres, and AWS (Lambda, Fargate, API Gateway, S3, etc.).
  • Solid understanding of LLM design patterns, observability/instrumentation, prompt enineering.

Responsibilities

  • Build, optimize, and maintain applications and services using TypeScript, Python, Postgres, and AWS in a serverless environment.
  • Collaborate with product managers, designers, and other engineers to build and deliver scalable, high-quality solutions.
  • Lead by example in writing clean, maintainable, and efficient code.
  • Contribute to technical discussions, design reviews, and code reviews to maintain high engineering standards.
  • Troubleshoot and resolve technical issues in production environments.
  • Stay current with emerging technologies and best practices to enhance our technology stack.
  • Designing, building, and scaling innovative LLM based solutions that improves our user's experience.

Other

  • This hybrid role requires one day in office per week in our Denver office. Work from home 4 days per week.
  • Mentor junior team members and foster a culture of constant learning and improvement.
  • A lean mindset - Focus on delivering customer value by minimizing waste, optimizing workflows, fostering continuous improvement, and prioritizing quick iteration with quick feedback cycles.
  • Experience working collaboratively in a remote environment, with a team-oriented mindset.
  • startup oriented individuals who thrive in a fast paced environment.