Senior Full-Stack Software Engineer

Coral; New York (NY); On-site; USD 90,000 - 130,000; Full time

Job summary

Coral is seeking a full-stack engineer to collaborate closely with the CTO and CEO. In this role, you will lead the end-to-end development of features to facilitate the adoption of energy-efficient products. You will also contribute to the architectural decisions and influence the product roadmap based on customer insights.

The ideal candidate will have at least 5 years of experience in Ruby on Rails, strong database management skills, and a collaborative mindset to drive projects from concept to execution.

Qualifications

• 5+ years of development experience in Ruby on Rails or similar full‑stack frameworks.
• Strong expertise in database design and management.
• Excellent communication skills for cross-functional collaboration.

Responsibilities

• Own end‑to‑end feature development from ideation to deployment.
• Make architectural contributions to shape the technology stack.
• Influence the product roadmap by understanding customer pain points.

Skills

Ruby on Rails

Database design

Cross-functional teamwork

AI and ML experience or interest

Job description

Job Overview

We’re seeking a full‑stack engineering hire. You’ll work directly with the CTO, CEO, and founding team to develop products and features that enable our contractor and manufacturer partners to speed the adoption of energy‑efficient products. Open to leveling, Senior to Principal.

What you’ll do

• Own end‑to‑end feature development, from ideation and planning, through execution and deployment. Write and review code across the entire stack while balancing quality and execution speed.
• Make key architectural contributions to shape the technology stack, including defining best practices, strategizing around technical debt, and considering when to build or buy.
• Influence the product roadmap by working closely with the founders to deeply understand customer pain points, capture user metrics, discuss feasibility, and negotiate project requirements and priorities.
• Gain exposure to all aspects of a startup business – from sales and customer discovery to strategy and beyond.

What you’ll bring

• 5+ years of development experience in Ruby on Rails or similar full‑stack frameworks
• Strong expertise in database design and management
• Excellent communication skills and ability to work in a cross‑functional team to balance product and technical requirements
• Ownership mindset with the ability to operate with ambiguity
• Experience designing systems from scratch, taking them from 0 to 1, and scaling them
• Experience or interest in AI, ML, and LLMs