R&D Trainee: Backend-Focused Full-Stack Engineer

CWILL; California (MO); On-site; USD 60,000 - 80,000; Full time

Benefits offered by this job

401(k)

PTO

Paid Holidays

Insurance

Job summary

CWILL is building AI-powered customer service and SEO tools for Shopify brands. The R&D Management Trainee program places you in a product engineering team from day one, with mentorship and hands-on production work as you grow into an independent module owner.

You’ll work on multiple product teams such as Order Tracking, Loyalty & Referrals, Pop-up & Email Marketing, AI Chat, and SEO & Speed, contributing to feature development, testing, and deployment while learning team standards

Qualifications

• Recent US university graduate (BS or MS) or within 1–2 years of graduation.
• Proficiency in at least one backend language: JavaScript/TypeScript, Python, Java, Go or PHP.
• Strong web fundamentals: HTTP, RESTful APIs, frontend-backend interaction, relational databases.
• Basic SQL and database understanding (MySQL or PostgreSQL).
• Able to read documentation, debug systematically, and own work through completion.
• Reliable and communicative; surface problems early and follow through on commitments.

Responsibilities

• Build features across the full stack with a backend focus: APIs, business logic, data processing, and third-party integrations.
• Participate in technical solution design, coding, integration testing, and deployment.
• Take ownership of the quality of the features you build and deliver them to spec.
• Assist with production bug investigation, root cause analysis, and resolution.
• Use logging, monitoring, and database tools to trace issues methodically.
• Contribute to ongoing improvements in system stability, performance, and code maintainability.
• Follow team engineering standards: code reviews, documentation, and testing.
• Proactively communicate progress, risks, and blockers; take increasing ownership over time.

Skills

Backend language proficiency

Web fundamentals

SQL basics

Documentation reading

Communication

Education

BS or MS from a US university

Tools

Docker

CI/CD

AWS

GitHub

Job description

CWILL is building AI-powered customer service and SEO tools for Shopify brands. The R&D Management Trainee program places you in a product engineering team from day one, with mentorship and hands-on production work as you grow into an independent module owner.

You’ll work on multiple product teams such as Order Tracking, Loyalty & Referrals, Pop-up & Email Marketing, AI Chat, and SEO & Speed, contributing to feature development, testing, and deployment while learning team standards