Top 962 Front end developer Jobs in U.s.+remote

Title: Senior JavaScript / TypeScript Developer for Real Estate Feasibility & Computational Geometry
Parcel —Remote
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- APIs
- Senior level
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front end developer jobs near u.s.+remote

Title: Senior JavaScript / TypeScript Developer for Real Estate Feasibility & Computational Geometry

Parcel -
Remote

Quick Apply

Job Details

Part-time
$2,000 - $5,000 a month
9 days ago

Benefits

Flexible schedule

Qualifications

AI models
Regression testing implementation
Node.js
Automation
Web development
Application Architecture Design (Architecture design skill)
Testing and evaluation
Geometry
Algorithm design
APIs
Web applications
UI
AI-driven automation
Senior level
TypeScript
Prototypes
Design (software development lifecycle)
Providing code feedback
GIS

Full Job Description

Title: Senior JavaScript / TypeScript Developer for Real Estate Feasibility & Computational Geometry Tool

I am looking for an experienced senior developer to help improve and scale an existing web-based real estate development feasibility tool.

I already have a working prototype built primarily in HTML/JavaScript. The initial project will focus on reviewing the existing codebase, separating the core calculation engine from the user interface, and building a robust automated testing framework.

The tool involves property and parcel analysis, computational geometry, rules-based calculations, scenario evaluation, and development feasibility.

Initial Scope:

Review and understand the existing prototype
Refactor calculation logic into a standalone deterministic engine
Preserve existing application behavior
Create automated parity and regression tests
Build automated scenario testing
Improve code architecture and maintainability
Prepare the system for future AI-assisted analysis and testing

The initial geographic focus is San Diego, California.

Ideal Experience:

Strong JavaScript / TypeScript
Node.js
Software architecture
Computational geometry
Algorithm development
Automated and regression testing
Property-based testing or simulation
GIS / geospatial development is a plus
PropTech or real estate technology is a plus
Experience integrating Claude or other LLM APIs is a plus

I am specifically looking for a developer who understands the importance of keeping core calculations deterministic and auditable while using AI as a separate analysis layer.

This is an existing prototype, not a project starting from scratch.

The first paid milestone will be limited to:

Reviewing the existing codebase
Providing an architecture assessment
Recommending a refactoring plan
Separating the core calculation engine from the UI
Creating tests to verify that the refactored engine maintains the existing results

Additional project details and source code will be provided to qualified candidates after initial discussions.

When applying, please answer:

Have you built a rules-based, simulation, optimization, or computational geometry engine before?
Have you worked with automated scenario or property-based testing?
Do you have experience with GIS, PropTech, real estate, or parcel data?
Have you integrated Claude or other LLMs into production applications?
Please provide examples of the most technically relevant projects you have worked on.

I am looking for someone who can potentially become a long-term technical resource if the initial milestone is successful.

Pay: $2,000.00 - $5,000.00 per month

Benefits:

Flexible schedule

Work Location: Remote

Quick Apply

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