Senior Full-Stack Software Engineer, Applied AI

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full-Stack Software Engineer, Applied AI based in United States.

This is a high-impact engineering role at the intersection of full-stack product development and applied artificial intelligence, where you will help shape and ship AI-powered features used at scale. You will work across a modern web stack to build end-to-end AI experiences, from backend services and data pipelines to frontend interfaces that surface intelligent functionality. The role focuses heavily on experimentation, iteration, and real-world impact, particularly through the use of large language models and production AI systems. You will contribute to building AI agents, retrieval-augmented generation systems, evaluation frameworks, and infrastructure for reliable LLM inference. Working closely with product, design, and engineering leadership, you will help translate ideas into tested, measurable product improvements. The environment is fast-moving, highly autonomous, and built around strong ownership and continuous learning.

Accountabilities:

You will design, build, and optimize full-stack AI features end-to-end while contributing to experimentation, system reliability, and continuous product improvement across AI-powered experiences.

Ship full-stack AI features using Ruby on Rails and React across production systems
Design and run experiments, including A/B tests and AI evaluations, to measure feature impact
Build and maintain AI infrastructure components, including LLM-based systems and inference workflows
Develop and improve RAG systems, AI agents, and other applied LLM-based solutions
Optimize performance, scalability, and reliability of AI-driven features in production
Collaborate closely with product managers, designers, and engineering peers to define feature direction
Continuously improve engineering processes and tooling to support rapid AI iteration
Stay current with emerging AI research and translate insights into practical implementations
Ensure high standards of code quality, system design, and user experience across releases

Requirements:

You bring strong full-stack engineering experience at scale, combined with hands-on exposure to building and shipping AI-powered features in real production environments. You are comfortable working across ambiguity, experimentation, and fast iteration cycles.

6+ years of experience as a full-stack engineer on high-traffic production applications
Strong proficiency in Ruby on Rails, ReactJS, and relational databases (PostgreSQL/MySQL)
Hands-on experience building production AI features such as RAG systems, AI agents, or LLM-powered tools
Proven ability to design and run experiments (A/B testing, evaluation frameworks, iterative product testing)
Strong understanding of backend and frontend systems, with ability to work across the stack
Experience working in scalable, performance-sensitive environments
Comfort operating in fast-paced, ambiguous environments with evolving requirements
Strong collaboration skills and ability to work closely with cross-functional teams
Excellent English communication skills (written and verbal)
Strong bias toward action, experimentation, and measurable outcomes

Benefits:

Fully remote work from anywhere
Competitive compensation with regular performance reviews and equity opportunities
35 days of paid time off annually
Paid sabbatical after 5 years of service
Comprehensive medical coverage for employees and eligible family members
Home office setup stipend
Learning and development budget for professional growth
Annual company retreats in international locations
Parental leave and family support benefits
Strong autonomy with a high-trust, outcomes-focused culture
Inclusive, global team environment with diverse backgrounds and perspectives

How Jobgether works:

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Why Apply Through Jobgether?

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

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Senior Full-Stack Software Engineer, Applied AI

Requirements:

Benefits:

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