Mid-Level Full Stack JavaScript Engineer

JavaScript

Mid-Level Full Stack JavaScript Engineer

JavaScript
Remote, Warszawa

Capwave AI

Full-time
Permanent
Mid
Remote
2 000 - 4 500 USD
Gross per month - Permanent

Job description

We’re looking for a Full Stack JavaScript Engineer who can take ownership of critical parts of our product. You’ll work across the stack - building out new features in React/Next.js, maintaining and scaling our AWS infrastructure, and collaborating closely with product and design to deliver user-first experiences.


What You’ll Do

  • Build and maintain features using React, TypeScript, and Next.js

  • Design and consume REST APIs and integrate with our AWS-based backend

  • Write clean, testable, maintainable code across the stack

  • Work with product to iterate quickly and deliver value to users

  • Improve our CI/CD pipelines, performance, and observability

  • Help shape our engineering culture and best practices as we scale


Tech Stack

  • Frontend: React, TypeScript, Next.js

  • Backend: Node.js, ECS, Python

  • Cloud: AWS (S3, ECS)

  • DevOps: CircleCI, Docker, Terraform


What We're Looking For

  • 3–5 years of experience in full stack JavaScript development

  • Strong skills in React and TypeScript

  • Familiarity with AWS services

  • Comfort working in a fast-paced, product-driven environment

  • Ability to work autonomously and take initiative

  • Bonus: Experience with data modeling or AI/ML workflows


Why Join Us

  • Real ownership and autonomy in your work

  • A mission-driven company solving meaningful problems in venture capital

  • Work directly with experienced founders

  • Flexible remote work environment


About Capwave

Capwave is building the future of private markets infrastructure. Our platform uses AI to streamline investor matching and capital raising to turn founders into better fundraisers. We’re a small, fast-moving team with deep experience in finance, product, and engineering - and we’re looking for builders who thrive in early-stage environments.

Tech stack

    English

    B2

    JavaScript

    advanced

    TypeScript

    advanced

    MongoDB

    regular

    PostgreSQL

    regular

    React

    regular

    Amazon AWS

    regular

    Figma

    regular

    Next.js

    regular

    Python

    nice to have

Office location

Published: 22.07.2025