Application Developer

Kiss Nail Products · Port Washington · $69,000–$137,000 (stated in the posting)

Job Description Summary:

The Senior Software Engineer owns KRS (K Retail Solutions), our live retail platform that runs in-store POS, the store Back Office, KRS Admin, and the KRS Store App across multiple store tenants. This role combines deep, hands-on knowledge of KRS with an AI-driven way of working: the engineer directs AI coding tools in natural language ("vibe coding") to deliver features quickly, while personally owning the system architecture and design decisions that keep KRS reliable. Just as importantly, the engineer reviews, tests, and corrects AI-generated code and designs, as well as vendor deliverables, before anything reaches our stores. As a senior member of the team, the role makes key technical decisions, is accountable for release quality and production stability, and mentors and supports other developers.

Job Description:

Essential Duties & Responsibilities

AI-Driven Development (Vibe Coding) — Build and enhance KRS features by directing AI coding assistants in natural language. Break work into clear, verifiable tasks, guide the AI through implementation and testing, and deliver working features across POS, checkout and payments, refund/exchange, Back Office, KRS Admin, and the KRS Store App.
Architecture & Technical Design — Own the KRS architecture on the Odoo framework (KRS Admin on Odoo 18) in a multi-tenant environment. Design integrations with payment terminals and processors (CodePay, Elavon/Converge), the Snowflake data platform, and enterprise systems. Write design documents and decision records, and evaluate vendor designs and effort estimates.
Review & Correction of AI-Generated and Vendor Work — Review every AI-generated change, design, and estimate before it is merged or accepted. Check it against the business specification and the actual code, find defects, missing work items, and hidden risks (for example, a module dependency that could take POS offline), and correct them. Review vendor merge requests and provide clear feedback.
Production Quality, Deployment & Incident Response — Own release quality for KRS: feature branches and merge requests, Dev → Staging → Production deployments through Jenkins, module upgrades across store tenants, and post-deployment verification. Lead root-cause analysis and hotfixes for production issues, especially card-payment, refund, and end-of-day settlement issues, and maintain automated tests.
KRS Domain Ownership & Stakeholder Collaboration — Serve as the go-to expert on KRS and on store operations. Work with Sales Operations, store teams, the project manager, and vendors to turn specifications and Figma designs into clear, deliverable scope; take part in project meetings and track schedule risks.
Senior Technical Leadership & Developer Support — Make technical judgment calls, set coding, review, and AI-usage standards, and mentor and support other KRS developers, including helping them adopt AI-driven development safely. Keep technical documentation current.

Qualifications

Required
- Bachelor's degree in Computer Science, Information Systems, or a related field
- 8+ years of software development experience, including senior-level ownership of a production business system
- Hands-on experience using AI coding assistants for day-to-day development, and a proven ability to review, test, and correct AI-generated code
- Experience designing software architecture and system integrations (payment processors, ERP, data platforms, third-party APIs)
- Working knowledge of SQL and relational databases (PostgreSQL preferred)
- Experience with code review, Git-based merge-request workflows, and CI/CD pipelines (Jenkins preferred)
- Strong analytical and problem-solving skills, and the ability to explain technical decisions to non-technical stakeholders
Preferred
- Development experience with the Odoo framework (Odoo 18 experience is a plus; KRS Admin runs on Odoo 18)
- Experience with POS or retail systems, including card-payment terminal integration (sale, refund, split tender, end-of-day settlement)
- Experience with multi-tenant platforms and offline-capable store applications
- Experience with AWS (EC2, RDS) and Docker
- Experience with Snowflake or similar data-platform integrations
- Experience working with JIRA and Figma-based specifications, and managing external development vendors

Benefits

Premium Medical Insurance Coverage
401(k) Savings Plan
Paid Time Off (PTO) based on seniority
Paid Holidays

Additional Workplace Offerings (subject to change or eligibility.)

Annual Bonus Plan
Onsite Employee Fitness Center with Indoor Racquetball Court and Yoga Room
Summer Fridays
Complimentary Gourmet Breakfast, Lunch, and Dinner
Relocation Support for New Hires
Work Anniversary Recognitions
Congratulatory & Condolence Gifts
Employee Referral Bonus Program
License/Certification Reimbursements
Corporate Employee Discounts
Visa Sponsorships (100% paid by the company) i.e., New H-1B, H-1B Transfer, O-1, and Green Card
Commuter Support (Shuttle Bus Program and EZPass Support)
Vehicle Perks

Qualification(s):

Education(s):

Bachelor of Science (B.S): Computer and Information Science

Work Experience:

Experience Range III: 4 - 8 years of relevant experience or industry exposure in a related field

Skill(s):

Information Technology (IT)

Language(s):

English, Korean

Certification(s):

Not Applicable

The anticipated compensation range is

69,000.00 - 137,000.00 USD Annual

Actual compensation will be determined based on various factors including qualifications, education, experience, and location. The pay range is subject to change at any time dependent on a variety of internal and external factors.

Kiss Nail Products, Inc., KDC GA Corp., Ivy Enterprises, Inc., AST Systems, LLC, Red Beauty, Inc., or Dae Do, Inc. (collectively, the “Company”) is an equal opportunity employer and is committed to a diverse and inclusive workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, or any other characteristic protected by law.

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