Cosine Technology/Software

Product Engineer

London, United Kingdom In person Full-time

Join Our Team

  • At Cosine, we're pioneering the integration of human reasoning into artificial
  • intelligence. As a member of our team, you'll be at the forefront of cutting-edge
  • technology, working to shape the future of AI with our groundbreaking synthetic data
  • generation and RFT techniques.
  • Why Work With Us?
  • Be part of a trailblazing company leading innovation in AI.
  • Work alongside a dedicated team of experts passionate about AI and technology.
  • Engage in challenging and rewarding work that makes a real impact on the

advancement of AI.

Responsibilities

  • On this team you will build end-user products (developer workflow tools) that use
  • Cosine's LLM and AI tech in order to augment developers’ capabilities for our users.
  • We're building tools for ourselves. We are our own customer as engineers so you should
  • be obsessed about the developer experience.

Skills & Experience

Experience building reactive applications (React, Vue, Rails, etc) that work

across multiple platforms and that are highly interactive

Experience with NextJS and typescript

  • Comfortable with back-end development
  • Design back-end APIs
  • Expose and use rest endpoints

Experience with developer experience tools

Worked on CI/CD pipelines

Worked with containerization

Experience with testing code

  • Unit testing
  • Integration testing
  • Test performance optimization
  • Programming languages
  • Experience in either React, Vue, Typescript (we're open to people from
  • other languages)
  • Knowledge of Node.js, Python or Go is a plus
  • Other relevant tools/experience
  • DevOps: Git, AWS, Docker, PNPM, GitHub Actions
  • Monitoring and alerting (Grafana, Axiom)

Experience with feature flagging mechanisms (Posthog)

Requirements

  • Minimum of 4 years of professional experience in software engineering. (Looking

for mid to senior level candidates)

  • Proven expertise and expertise in the programming language of your choice.
  • Familiarity with AI technologies such as OpenAI, ChatGPT, Anthropic, ASTs,

Github, Knowledge Graphs, Retrieval Augmented Generation, and Fine Tuning.

  • Strong problem-solving skills and the ability to work e]ectively in a collaborative

team environment.

  • Excellent communication and interpersonal skills.

Job description provided by Cosine.
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