Full Stack Lead Developer

STONEGATE TECHNOLOGIES LLC; Menlo Park (CA); Hybrid; USD 180,000 - 240,000; Full time

Job summary

Stonegate Technologies LLC in Menlo Park, CA is seeking a Senior Full Stack Lead Developer to drive architectural decisions and hands-on delivery across frontend and backend.

You will work with product, design, and engineering teams to build scalable web applications using PHP, Hack, Python, and React, in a hybrid environment with three days on site and two remote.

Qualifications

• Experience in full stack development across frontend and backend.
• Proficiency in PHP and Hack.
• Strong React and JavaScript/TypeScript skills.
• Python experience for backend and automation.
• RESTful API design/consumption experience.
• Frontend architecture and responsive design expertise.
• Experience with MySQL/PostgreSQL or similar DBs.
• Git and modern workflows familiarity.
• Strong problem solving and debugging.
• Excellent communication and collaboration.

Responsibilities

• Design, develop, and maintain scalable full‑stack web apps.
• Build frontend with React; ensure responsiveness.
• Develop backend services and APIs with PHP/Hack/Python.
• Integrate frontend with backend APIs and third‑party services.
• Write clean, tested, reusable code.
• Troubleshoot and optimize for performance and reliability.
• Collaborate with cross‑functional teams to meet requirements.
• Participate in code reviews and architectural decisions.
• Develop and maintain automated tests and CI/CD processes.
• Stay current with emerging technologies and best practices.

Skills

Full Stack Development

PHP

Hack

React

JavaScript/TypeScript

Python

RESTful APIs

Frontend architecture

MySQL/PostgreSQL

Git & workflows

Problem solving

Communication

Education

Bachelor's degree in Computer Science, Engineering, or related field

Tools

Docker

CI/CD pipelines

AWS/GCP/Azure

Git

Kubernetes

Job description

Job Title

Full Stack Lead Developer

Location

Menlo Park, CA (Hybrid 3 days onsite/2 remote)

Job Overview

We need Senior Consultants (14+ years) here Lead Developer / Principle Engineer / Lead / Jr. Architect level profiles with hands‑on expertise.

Primary skills: PHP, Python, JavaScript, React

Secondary skill: SQL

We are seeking a talented and motivated Full Stack Developer to join our engineering team in Menlo Park, CA. The ideal candidate will have strong experience developing scalable web applications across both frontend and backend technologies and be comfortable working in a fast‑paced, collaborative environment.

The successful candidate will work closely with product managers, designers, and other engineers to design, develop, test, and maintain high‑quality applications.

Key Responsibilities

• Design, develop, and maintain scalable full-stack web applications.
• Build responsive and user-friendly frontend applications using React.
• Develop robust backend services and APIs using PHP, Hack, and Python.
• Integrate frontend applications with backend APIs and third‑party services.
• Write clean, maintainable, well‑tested, and reusable code.
• Troubleshoot, debug, and optimize applications for performance, scalability, and reliability.
• Collaborate with cross‑functional teams to understand requirements and deliver high‑quality solutions.
• Participate in code reviews, technical discussions, and architectural decisions.
• Develop and maintain automated tests and contribute to continuous integration and deployment processes.
• Stay current with emerging technologies and industry best practices.

Required Skills & Qualifications

• Strong professional experience in Full Stack Development.
• Proficiency in PHP and Hack.
• Strong experience with React and modern JavaScript/TypeScript development.
• Proficiency in Python for backend development, automation, or services.
• Experience designing and consuming RESTful APIs.
• Strong understanding of frontend development, responsive design, and web application architecture.
• Experience with databases such as MySQL, PostgreSQL, or similar relational databases.
• Familiarity with Git and modern software development workflows.
• Strong problem‑solving and debugging skills.
• Excellent communication and collaboration skills.
• Bachelor s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Preferred Qualifications

• Experience working with large‑scale, highly available web applications.
• Experience with cloud platforms such as AWS, Google Cloud Platform, or Azure.
• Familiarity with CI/CD pipelines and DevOps practices.
• Experience with Docker and containerized applications.
• Knowledge of microservices and distributed systems.
• Experience working in Agile/Scrum development environments.