Full Stack Engineer

Green Key Resources; Tysons (VA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

401(k)

Flexible PTO

Paid parental leave

Equity

Job summary

Our client is a venture-backed technology startup building AI-first products used by thousands of customers. Their small, collaborative engineering team works across the full stack to ship features with immediate impact.

You'll design, develop, and deploy full-stack applications, build scalable backend services, integrate LLMs, and collaborate with product and engineering leadership on architecture. Expect ownership, rapid delivery, and opportunities to shape the technical direction.

Qualifications

• Experience building and scaling modern full-stack applications.
• Experience working with AWS and relational databases.
• Interest in AI technologies and bringing LLM-powered features into production.
• Comfortable working in a fast-moving startup environment with significant ownership.
• Strong communication skills and a collaborative mindset.

Responsibilities

• Design, develop, and deploy full-stack applications from concept to production.
• Build scalable backend services and APIs that power AI-driven experiences.
• Integrate and optimize Large Language Models (LLMs) within production systems.
• Develop responsive web and mobile applications.
• Collaborate directly with product and engineering leadership on architecture and technical strategy.
• Own features throughout the full software development lifecycle, including deployment and production monitoring.
• Frontend: React, TypeScript. Cloud: AWS. AI: LLMs, Generative AI, Prompt Engineering. Tools: Git, REST APIs, CI/CD.

Skills

Full-stack development

LLMs

Frontend development

System design

Communication

Tools

Git

REST APIs

CI/CD

AWS

Relational databases

Job description

Our client is an early-stage, venture-backed technology company building AI-first products used by thousands of customers. Their engineering team is small, highly collaborative, and focused on solving difficult technical challenges with modern technologies. This is an opportunity to work across the entire stack, influence technical direction, and ship features that have immediate impact.

What You'll Do

• Design, develop, and deploy full-stack applications from concept to production.
• Build scalable backend services and APIs that power AI-driven experiences.
• Integrate and optimize Large Language Models (LLMs) within production systems.
• Develop responsive web and mobile applications.
• Collaborate directly with product and engineering leadership on architecture and technical strategy.
• Own features throughout the full software development lifecycle, including deployment and production monitoring.
• Frontend: React, TypeScript
• Cloud: AWS
• AI: LLMs, Generative AI, Prompt Engineering
• Tools: Git, REST APIs, CI/CD

What We're Looking For

• Experience building and scaling modern full-stack applications.
• Experience working with AWS and relational databases.
• Interest in AI technologies and bringing LLM-powered features into production.
• Comfortable working in a fast-moving startup environment with significant ownership.
• Strong communication skills and a collaborative mindset.

What You'll Receive

• Competitive base salary plus equity
• 401(k)
• Flexible PTO
• Paid parental leave
• Opportunity to help shape the technical direction of a high-growth startup