Senior AI Full Stack Engineer

Job Title

AmeriSave Mortgage Corporation is a leading fintech lender transforming the way people finance their homes. With a strong foundation in digital innovation, AmeriSave is expanding beyond mortgages to offer home equity loans and personal loans—covering every type of consumer loan. Our mission is to simplify and modernize the lending experience through technology, automation, and AI-driven solutions. We are a fast-paced, customer-focused organization that values transparency, agility, and excellence.

Responsibilities

• Design, develop, and maintain robust and scalable web applications using TypeScript, HTML, CSS, Java, and Node.js in a microservice environment.
• Collaborate with cross-functional teams to define, design, and ship new features quickly.
• Write clean, maintainable, and efficient code in TypeScript and Java.
• Optimize applications for maximum speed and scalability.
• Troubleshoot and debug applications to ensure optimal performance.
• Implement data storage solutions using MS SQL and ensure data integrity.
• Participate in code reviews to maintain code quality and ensure best practices.
• Stay up-to-date with the latest industry trends and technologies to bring innovative solutions to the table.
• Work in the CST timezone to ensure seamless collaboration with the team.
• Design and develop user interfaces with HTML, CSS and/or generated by JSON.
• Perform DOM manipulation to create dynamic and interactive web pages.
• Ensure cross-browser compatibility and responsiveness of web applications.

AI-Specific Responsibilities

• Build and deploy AI-powered applications using LLMs, GenAI agents, and retrieval-augmented generation (RAG) pipelines.
• Integrate AI services into full-stack solutions using frameworks like LangChain, FastAPI, or Azure OpenAI.
• Handle unstructured data (PDFs, HTML, audio, images) and multimodal models.
• Implement LLMOps practices including prompt versioning, caching, observability, and cost tracking.
• Collaborate with AI/ML engineers and data scientists to embed intelligent automation and decisioning into enterprise workflows.
• Contribute to the development of semantic search, vector databases (e.g., Pinecone, Supabase), and AI-enhanced user experiences.

Requirements

• Experience: Minimum of 5 years of professional experience in full stack development.
• Technical Skills:
• Proficient in HTML, CSS, and DOM manipulation for frontend development.
• Strong experience with Node.js and Java for backend development.
• Expertise in TypeScript for both frontend and backend development.
• Solid understanding of MS SQL, including database design, querying, and optimization.
• Familiarity with modern web development practices and tools.
• Experience integrating AI APIs (e.g., OpenAI, Hugging Face, Mistral).
• Understanding of LLMs, prompt engineering, and AI orchestration frameworks.
• Problem-Solving: Strong analytical and problem-solving skills.
• Collaboration: Excellent communication and teamwork skills, with the ability to work effectively in a remote environment.
• Attention to detail in evolving requirements and stability of services.

Preferred Qualifications

• Experience with other frontend frameworks/libraries, including micro frontends.
• Familiarity with Redis, pub/sub concepts.
• Familiarity with containerization technologies such as Docker.
• Knowledge of cloud platforms, preferably Azure.
• Experience with CI/CD pipelines and DevOps practices.
• Experience with AI-enhanced UI/UX design and intelligent user flows.
• Exposure to vector databases, semantic search, and AI observability tools.
• Experience with BytePro LOS and Asterisk telephony systems.
• Familiarity with mortgage compliance frameworks such as HMDA, TRID, RESPA, and ECOA.

High-speed internet required for remote work, Cable or Fiber ONLY with the ability to connect via Ethernet. Minimum speeds: 70/30 Mbps (basic), 200-300/35-70 Mbps (shared), 500-1,000/100+ Mbps (heavy use).

Compensation: The annual salary for this position generally ranges between $150,000 – $180,000. Benefits: 401(k), dental insurance, disability insurance, employee discounts, health insurance, life insurance, paid time off, 12 paid holidays per year, paid training, referral program, vision insurance. Supplemental pay types: Referral bonuses.

AmeriSave is an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.