Product Engineer

Cosine
London
Workplace: OnsiteFull timeUSD 70,000 - 90,000 annuallyFunction: Communications, PR & CommunityExperience: 4+ yearsSkills: ["Communication","Problem-solving","Teamwork"]

Build end-user developer workflow tools that leverage Cosine's LLM/AI tech to augment developers’ capabilities. Focus on delivering a top-notch developer experience, collaborating across teams while shaping the product from idea to deployment, with emphasis on React/Vue/Next.js front-ends and robust back-end APIs.

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FursaFursa
Cosine
Cosine
8 months ago

Product Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 16 hours agoStatus: Live

Job Summary

Build end-user developer workflow tools that leverage Cosine's LLM/AI tech to augment developers’ capabilities. Focus on delivering a top-notch developer experience, collaborating across teams while shaping the product from idea to deployment, with emphasis on React/Vue/Next.js front-ends and robust back-end APIs.
Location: London
Workplace: Onsite
Employment Type: Full time
Job Function: Communications, PR & Community
Seniority: Mid level

Key Responsibilities

  • •Build end-user products (developer workflow tools) that use Cosine's LLM and AI tech to augment developers’ capabilities for our users.
  • •Be obsessed about the developer experience and ensure tools are highly interactive and cross-platform.
  • •Design back-end APIs and expose REST endpoints to support product features.
  • •Collaborate with cross-functional teams to ship features from idea to production.
  • •Contribute to CI/CD pipelines and containerization to improve reliability and deployment speed.

Pay and Benefits

Salary: USD 70,000 - 90,000 annually

Key Requirements

  • •4+ years of professional software engineering experience
  • •Proficiency in a 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 effectively in a collaborative team environment
  • •Excellent communication and interpersonal skills
Experience:4+ yearsAIDeveloper tools
Skills:CommunicationProblem-solvingTeamwork
Languages:English
Tech Stack:ReactVueRailsNextJSTypeScriptNode.jsPythonGoJavaScriptAWSDockerGitHub ActionsCI/CDPNPMGrafanaAxiomPosthogOpenAIChatGPTAnthropic

Eligibility

Visa:US citizen/visa only
Work Authorization:Authorization required. Sponsorship not provided.

Company Brief

Cosine
Builds developer-focused tools and infrastructure for semantic search and vector embeddings, enabling teams to integrate fast, scalable similarity search and retrieval-augmented workflows into applications via APIs and managed services.
Industry: Data Infrastructure
Growth: Early Stage Startup
Website