Senior Software Engineer

AmeriSave Mortgage Corporation; United States; Remote; USD 150,000 - 180,000; Full time

Benefits offered by this job

Disability insurance

Employee discounts

Paid time off

12 paid holidays per year

Paid training

Referral bonuses

Job summary

AmeriSave Mortgage Corporation is seeking an experienced Senior Full‑Stack Developer to design, develop, and maintain scalable web applications using TypeScript, HTML, CSS, Java, and Node.js in a microservice environment. You will collaborate with cross‑functional teams to ship new features quickly and ensure data integrity with MS SQL.

The role emphasizes AI/GenAI integration, LLMs, and retrieval-augmented generation, with frameworks like LangChain and FastAPI.

Qualifications

• 5+ years of professional experience in full stack development.
• Proficient in HTML, CSS, and DOM manipulation.
• Strong experience with Node.js and Java.
• Expertise in TypeScript for frontend and backend.
• MS SQL: design, querying, optimization.
• Experience integrating AI APIs (OpenAI, Hugging Face, Mistral).
• Understanding of LLMs and prompt engineering.
• Ability to work remotely in CST timezone.
• Attention to detail in evolving requirements and stability of services.

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.
• 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.

Skills

TypeScript

Node.js

Java

HTML

CSS

DOM manipulation

MS SQL

AI APIs

LLMs

Azure

CI/CD

Docker

Redis

Micro frontends

AI observability

LangChain

FastAPI

Cursor

Pinecone

Supabase

Tools

LangChain

FastAPI

Azure OpenAI

Cursor

Docker

Pinecone

Supabase

Job description

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.

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, tools such as Cursor and other 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 a leading Mortgage LOS and experience with custom software platforms.
• Expertise and hands-on experience with Aloha software.
• 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).

**Please note that the compensation and benefit information that follows is a good faith estimate for this position only and is provided pursuant to applicable state and local laws on pay transparency. It is estimated based on what a successful applicant in the relevant state might be paid. **

Compensation:

The annual salary for this position generally ranges between $150,000 – $180,000.

• Disability insurance
• Employee discounts
• Paid time off
• 12 paid holidays per year
• Paid training

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.

California Consumer Privacy Act Disclosure Acknowledgment

Employment Applicants, New Hires, and Employees Residing in California

AmeriSave Mortgage Corporation’s Privacy Policy Statement (“Policy”) can be reviewed here: www.amerisave.com/privacy-policy

AmeriSave Mortgage Corporation’s California Consumer Privacy Act (“CCPA”) Recruitment Disclosure can be reviewed here: https://www.amerisave.com/ccpa-recruitment-disclosure/

When AmeriSave’s Human Resources Department makes future requests for personal information, the same Policy is applicable. By applying, you understand this acknowledgment covers current and future personal information requests. You also acknowledge the business purpose of the personal information collected and that future requests may occur while applying for a position at AmeriSave and/or during employment, if applicable.