Senior Full Stack Python/React Engineer – AWS / Investment Technology

Planet Group; Malvern (Chester County); Hybrid; USD 214,906,000 - 243,560,000; Full time

Job summary

The Planet Group is partnering with a Greater Philadelphia area company to locate a Sr. Software Engineer to build full-stack Python and React applications and AWS data pipelines.

This hands-on role focuses on delivering tools for investment and research teams, processing large datasets and running analyses to inform decision making. You will work with researchers and engineers to translate ideas into reliable software, improve deployments, and prototype new approaches.

Qualifications

• Strong hands-on Python development experience.
• Experience building user-facing applications with React; Dash experience is also useful.
• Solid AWS development experience, including cloud-hosted services and data processing.
• Experience with REST APIs, relational databases, and CI/CD practices.
• Comfort working with substantial datasets and solving problems across both the application and data layers.
• The ability to explain technical decisions and work closely with business and technical partners.

Responsibilities

• Build and maintain Python services and React-based applications.
• Develop APIs, data workflows, and cloud applications that support research and analytics.
• Work with researchers, product partners, and other engineers to understand requirements and deliver practical solutions.
• Design for performance, security, reliability, and ease of support.
• Improve deployment pipelines and help support applications in production.
• Explore new technical approaches through prototypes and collaborative design work.

Skills

Python

React

AWS

REST APIs

CI/CD

Data processing

Tools

Dash

Job description

Sr. Software Engineer- Python and React

Hybrid role- onsite three days a week in the Greater Philadelphia Area

$75-$85/hour

Long Term Contract role

The Planet Group has partnered with a Great Philadelphia area company to locate a senior engineer to build applications used by investment and research teams. This is a hands-on full stack role combining Python, React, and AWS with data-intensive work.

The successful candidate will help turn research ideas into reliable tools: applications that process large datasets, run analyses, test investment models, and make results useful to the people making decisions.

Responsibilities:

• Build and maintain Python services and React-based applications.
• Develop APIs, data workflows, and cloud applications that support research and analytics.
• Work with researchers, product partners, and other engineers to understand requirements and deliver practical solutions.
• Design for performance, security, reliability, and ease of support.
• Improve deployment pipelines and help support applications in production.
• Explore new technical approaches through prototypes and collaborative design work.

Required Skills and Experience

• Strong hands-on Python development experience.
• Experience building user-facing applications with React; Dash experience is also useful.
• Solid AWS development experience, including cloud-hosted services and data processing.
• Experience with REST APIs, relational databases, and CI/CD practices.
• Comfort working with substantial datasets and solving problems across both the application and data layers.
• The ability to explain technical decisions and work closely with business and technical partners.

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