Senior AI-Driven Full-Stack Engineer — Agentic Apps

Serko Ltd.; Seattle, Northern (WA, KY); On-site; USD 152,000 - 230,000; Full time

Benefits offered by this job

Medical Benefits

Discretionary incentive plan

Learning & development platform

Career pathways

Job summary

Serko Ltd. in Seattle, WA, is seeking a Senior Full Stack Engineer to own end-to-end development of next-gen AI products for candidates in Washington or California. You’ll build AI-powered features, integrate LLM APIs, and deliver robust frontend and backend services.

You’ll work with a cross-functional team, shaping scalable architectures and real-time UX, while embracing a culture of code quality, testing, and on-call reliability. This role offers a competitive salary and strong benefits.

Qualifications

• Experience building full-stack applications with emphasis on native AI stack development.
• Strong React/Next.js frontend with Python/SQL backend.
• Experience integrating AI via LLM APIs in production."

Responsibilities

• Build meaningful AI-powered user experiences with designers, PMs, and ML engineers.
• Bridge frontend & backend with scalable full-stack features.
• Integrate AI capabilities and agent frameworks into product features.
• Design clean REST/GraphQL APIs to support data and sessions.
• Write unit, integration, and end-to-end tests to ensure quality.
• Participate in on-call rotation and document learnings.
• Contribute to architectural discussions to scale systems.

Skills

Full-Stack & AI

TypeScript

Python

SQL

LLM integration

RESTful API design

PostgreSQL

Redis

CI/CD

Docker

Real-Time UX

Cloud platforms

Communication

Tools

React

Next.js

Python

Node.js

PostgreSQL

Job description

Serko Ltd. in Seattle, WA, is seeking a Senior Full Stack Engineer to own end-to-end development of next-gen AI products for candidates in Washington or California. You’ll build AI-powered features, integrate LLM APIs, and deliver robust frontend and backend services.

You’ll work with a cross-functional team, shaping scalable architectures and real-time UX, while embracing a culture of code quality, testing, and on-call reliability. This role offers a competitive salary and strong benefits.