Senior Full Stack Developer (GenAI + Agentic AI) – Fully Remote Contract

Greenfield Talent; Chicago (IL); Remote; USD 140,000 - 190,000; Full time

Job summary

Greenfield Talent is seeking a Senior Full Stack Developer specializing in GenAI and agentic AI to own enterprise applications from concept to production. The role emphasizes hands-on building, fast iteration, and architectural ownership within a large enterprise environment.

You will design scalable architectures, implement AI-assisted development, and collaborate with security, infra, and platform teams across the stack to deliver production-ready software.

Qualifications

• 7+ years of hands-on software development
• Proven history of building enterprise applications from scratch
• Experience in financial services or regulated industries
• Comfortable driving initiatives independently across multiple teams

Responsibilities

• Turn requirements into architecture — design system diagrams, data flows, and technical plans with minimal guidance.
• Prototype quickly — build POCs to validate ideas and accelerate stakeholder decisions.
• Own the full stack — backend services, frontend interfaces, APIs, Terraform IaC, CI/CD pipelines, and deployments.
• Engineer for performance — design data-heavy, low-latency applications that scale.
• Integrate across the enterprise — identity providers, internal APIs, shared services, and cross-business platforms.
• Build with AI — use GenAI coding tools daily and incorporate agentic AI patterns into production systems.
• Design multi-agent systems — create agent roles, orchestration flows, tool integrations, and memory strategies using frameworks like Google ADK, LangGraph, or CrewAI.
• Navigate enterprise readiness — follow production governance, manage ServiceNow change records, and coordinate with infra, security, and platform teams

Skills

Python

HTML5

CSS3

Tailwind

Cloud Run

Cloud Functions

Google ADK

APIGEE

Terraform

GitLab CI/CD

Containers

RBAC

Active Directory

SSO/Okta

ServiceNow

Code Assist / Claude Code / Copilot

LangGraph

CrewAI

Tools

Terraform

GitLab CI/CD

ServiceNow

Job description

Senior Full Stack Developer (GenAI + Agentic AI) – Fully Remote Contract

• Chicago, IL

We’re seeking a senior full‑stack engineer who thrives as a hands‑on builder and can own applications from concept to production. This role is ideal for someone who moves fast, works independently, and builds modern enterprise systems using GenAI, agentic AI frameworks, and AI‑assisted development tools. You’ll translate business needs into scalable architectures, stand up proofs‑of‑concept, and deliver production‑ready applications within a large enterprise environment.

What You’ll Do

Turn requirements into architecture — design system diagrams, data flows, and technical plans with minimal guidance.

Prototype quickly — build POCs to validate ideas and accelerate stakeholder decisions.

Own the full stack — backend services, frontend interfaces, APIs, Terraform IaC, CI/CD pipelines, and deployments.

Engineer for performance — design data‑heavy, low‑latency applications that scale.

Integrate across the enterprise — identity providers, internal APIs, shared services, and cross‑business platforms.

Build with AI — use GenAI coding tools daily and incorporate agentic AI patterns into production systems.

Design multi‑agent systems — create agent roles, orchestration flows, tool integrations, and memory strategies using frameworks like Google ADK, LangGraph, or CrewAI.

Navigate enterprise readiness — follow production governance, manage ServiceNow change records, and coordinate with infra, security, and platform teams.

Required Technical Skills

Languages & Frameworks

Python (advanced): Flask, FastAPI

HTML5, CSS3, Tailwind

Cloud Run, Cloud Functions

Gemini, Google ADK

APIGEE

IaC & DevOps

Terraform

GitLab repos, branching, CI/CD

Containers, orchestration, automated deployments

Data & Performance

SQL at scale

Caching, async processing, query optimization

AI & GenAI

Agentic AI frameworks: ADK, LangGraph, CrewAI

Daily use of AI coding tools (Code Assist, Claude Code, Copilot)

Ability to evaluate and adopt emerging AI frameworks

Enterprise Operations

Active Directory, RBAC

SSO/Okta

ServiceNow CRs and release processes

Cross‑functional coordination across infra, security, cloud, networking, DevOps

Desired Experience

7+ years of hands‑on software development

Proven history of building enterprise applications from scratch

Experience in financial services or regulated industries

Comfortable driving initiatives independently across multiple teams