Green Key Resources
Full Stack Engineer
Tysons, District of Columbia, US
Role snapshot
Green Key Resources is hiring a Full Stack Engineer on a full-time basis. This is a role based in Tysons, District of Columbia, US.
- Company
- Green Key Resources
- Location
- Tysons, District of Columbia, US
- Job type
- Full-time
- Posted
- Nov 2, 2026
Who this role suits
The listing does not state a required experience level here. Read the requirements in the description below and apply if they match your background.
How to prepare your application
- Match your résumé to the requirements in the description, using the same wording where it is honest to do so.
- Prepare a short example for each requirement you meet, and be ready to explain any you only partly meet.
- Read what Green Key Resources publishes about its product or team, so you can say clearly why this role and this company.
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About the role
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.
Tech Stack
- Frontend: React, TypeScript
- Backend: Node, .NET, C#, PHP
- Cloud: AWS
- Databases: PostgreSQL, MySQL, SQL
- AI: LLMs, Generative AI, Prompt Engineering
- Mobile: React Native, iOS, Android
- Tools: Git, REST APIs, CI/CD
What We're Looking For
- Experience building and scaling modern full-stack applications.
- Strong proficiency with JavaScript/TypeScript and at least one backend language such as C# or PHP.
- 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
- Comprehensive health benefits
- 401(k)
- Flexible PTO
- Paid parental leave
- Commuter benefits
- Opportunity to help shape the technical direction of a high-growth startup