AI-First SDE: Orchestrate Agents for E‑commerce

Jiffy.com; Miami (FL); On-site; USD 195,000 - 265,000; Full time

Benefits offered by this job

Comprehensive Benefits

401(k)

Wellness Benefits

MacBook or PC laptop

Annual website credit

Professional development stipend

Job summary

Jiffy.com in Miami, FL, seeks a Sr. Software Development Engineer to lead AI-driven coding agents and ship production features across storefront, checkout, internal tools, and platform services.

You will report to an Engineering Manager and collaborate with Product, GM's and cross-functional teams to deliver end-to-end capabilities at pace. This role fits an individual contributor who guides architecture, reviews code, and mentors engineers in AI-native workflows, aiming for systems thinking and

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 5+ years of professional software engineering experience shipping production systems at scale.
• Hands-on experience using AI coding agents (Claude Code, Codex, Cursor, or equivalent) as a primary development tool.
• Proven ability to run multiple agents in parallel and manage concurrent work streams without losing quality, context, or accountability.
• Strong software design fundamentals: OO design, API design, data modeling, distributed-system reliability, and performance.
• Proficiency in at least one server-side language (Ruby, Python, Go, Java, or equivalent) and one modern front-end stack (React / TypeScript or equivalent).
• Experience with relational databases (Postgres / MySQL), SQL, and building or consuming REST or GraphQL APIs.
• Elite code-review skills: the ability to read, critique, and correct diffs quickly.
• Strong written communication — clear PR descriptions and prompts.
• High integrity, accountability, and ownership.
• Desire to work in a fast-paced, high-autonomy environment.

Responsibilities

• Orchestrate AI coding agents across 3–6 concurrent work streams for features, refactors, bugs and investigations.
• Own features end-to-end: translate product intent into specs, drive plans, review diffs, run QA, land PRs, verify production health.
• Design and architect scalable systems: Rails 8 / Solidus, GraphQL APIs, React 19, Kubernetes infrastructure.
• Raise the quality bar on AI-generated code by catching hallucinated APIs and enforcing secure, idiomatic patterns.
• Build and evolve internal AI tooling: skills, rules, prompts, MCP integrations, and evaluation harnesses.
• Operate with production rigor: drive agents to produce meaningful test coverage, monitor deploys, and respond to incidents.
• Partner cross-functionally with Product, Design, Ops, and engineers; mentor in AI-native workflows and orchestration patterns.
• Continuously identify and automate remaining manual work by replacing it with agents.

Skills

AI coding agents

Agent orchestration

Software engineering

OO design

APIs design

Server-side languages

React/TypeScript

Code review

Parallel work streams

Communication

Integrity & ownership

Education

Bachelor's degree in Computer Science or related field

Tools

Claude Code

Codex

Cursor

Rails 8

Solidus

React 19

GraphQL

Job description

Jiffy.com in Miami, FL, seeks a Sr. Software Development Engineer to lead AI-driven coding agents and ship production features across storefront, checkout, internal tools, and platform services.

You will report to an Engineering Manager and collaborate with Product, GM's and cross-functional teams to deliver end-to-end capabilities at pace. This role fits an individual contributor who guides architecture, reviews code, and mentors engineers in AI-native workflows, aiming for systems thinking and