Fullstack Engineer

Calyptus Logo
Calyptus
New York, UNITED STATES, United States (Remote)
  • IT
  • FullTime

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What You’ll Do

  • Build the backbone. Help design, build, and deploy core platform systems with the CTO — from the UI down to backend orchestration.
  • Own end-to-end delivery. Lead full-stack projects, drive technical decisions, and ensure performance, scalability, and reliability from day one.
  • Shape the interface between AI and humans. Work closely with the ML team to embed AI agents into workflows.
  • Go beyond product tickets. As a founding engineer, help steer the roadmap, challenge assumptions, and contribute across engineering, product, and architecture.
  • Contribute bold ideas and take initiative to push technical boundaries, driving the platform’s vision forward.

What You Bring

Front-end:

  • Building user interfaces using HTML, CSS, and TypeScript
  • Working with front-end frameworks like React, Angular, or Vue.js
  • Ensuring responsive design and cross-browser compatibility
  • Optimising application performance and load times

Back-end:

  • Developing server-side logic and APIs in Python and using Django and FastAPI
  • Managing and querying databases
  • Implementing security measures and authentication
  • Working with and maintaining servers and deployment infrastructure

Additional ownership:

  • Extensive development and engineering experience
  • Strong ability in JavaScript/TypeScript
  • Experience with at least two major front-end frameworks: React and one other
  • Familiarity with Python and other back-end languages like Java or Node.js
  • Database experience (both SQL and NoSQL)
  • Understanding of web protocols and REST APIs
  • Optimising applications for scalability
  • DevOps knowledge (CI/CD, deployment)
  • Experience working in an Agile development environment
  • Working in Cloud computing environments
  • Experience with ML and LLMs is useful

Education and Qualifications (preferred but not essential)

  • BSc/MSc in Computer Science, Physics, Engineering, or equivalent
  • Prior startup experience — especially early-stage

Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get auto-applied to 100s of high-paying roles.

Sign up now at https://app.calyptus.co/auth/candidate/sign-up and let the opportunities come to you.

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