Senior Full Stack Software Engineer (Python, React, AWS)

Role: Senior Full Stack Software Engineer (Python, React, AWS) LOCAL

IT Software Developer Analyst-Level 2 - Experienced (6 - 10 Years)

Senior Full Stack Software Engineer

Python, React, AWS, PostgreSQL

Position Overview

We are seeking an experienced Senior Full Stack Software Engineer to design, build, enhance, and support enterprise applications used across pricing, transaction management, supply operations, reporting, and other business-critical functions.

This individual will develop scalable APIs, data integrations, and React-based web applications while supporting cloud infrastructure, production environments, and legacy application modernization. The ideal candidate brings strong hands-on experience with Python, JavaScript, PostgreSQL, REST APIs, containerized applications, and AWS or GCP.

Experience supporting energy, utilities, commodity trading, or other high-volume transactional environments is highly preferred.

Key Responsibilities

• Design, build, test, and maintain scalable full stack applications and services.
• Develop and support RESTful APIs used for pricing, transaction management, supply operations, reporting, and system integrations.
• Build responsive web applications and internal control interfaces using React and JavaScript.
• Develop backend services and automation using Python.
• Design applications that process high-volume business transactions and data.
• Work with PostgreSQL databases, including application-level data modeling, querying, performance optimization, and troubleshooting.
• Create integrations that consume and process data through REST APIs, EDI, XML, CSV files, and other external sources.
• Develop and maintain web scraping or data acquisition solutions when required.
• Containerize and deploy applications using Docker and Kubernetes.
• Support application deployments and production environments within AWS or GCP.
• Implement application monitoring, alerting, logging, and operational support processes.
• Troubleshoot production issues across application, database, integration, and infrastructure layers.
• Contribute to disaster recovery, backup, system upgrade, and business continuity planning.
• Modernize or integrate legacy technology platforms resulting from acquisitions or changing business requirements.
• Collaborate with engineering, database, infrastructure, data, and business teams.
• Follow software engineering best practices related to Git, code reviews, testing, documentation, security, and release management.
• Participate in production support and continuously improve application performance, stability, and maintainability.

Required Qualifications

• 5 or more years of professional software development experience.
• Strong full stack application development experience.
• Hands-on development experience with Python and JavaScript.
• Experience building modern web applications using React.
• Strong experience designing, building, and consuming RESTful APIs.
• Hands-on experience with PostgreSQL in an application development environment.
• Experience with Docker and containerized application development.
• Experience deploying or supporting applications within AWS or GCP.
• Experience working with Linux and Windows operating environments.
• Understanding of application architecture, system design, and high-volume transaction processing.
• Experience with Git-based development and release processes.
• Ability to troubleshoot issues across the application, database, integration, and cloud infrastructure layers.
• Strong communication and cross-functional collaboration skills.

Preferred Qualifications

• Experience with Kubernetes .
• Experience with GraphQL .
• Experience with SQL Server.
• Experience building or maintaining web scrapers.
• Experience processing EDI, XML, and CSV data.
• Experience with application monitoring and observability platforms such as Datadog or comparable tools.
• Scripting and infrastructure automation experience.
• Experience with disaster recovery, database backups, infrastructure upgrades, and production support.
• Experience modernizing or integrating legacy applications.
• Experience within energy retail, utilities, natural gas, commodity trading, or a related industry.
• Understanding of business functions such as pricing, billing, supply, sales, transaction management, risk, and reporting.

Ideal Candidate

The ideal candidate is a hands-on software engineer who can work across the full application stack, from database and backend API development through user-facing React applications and cloud deployment. This person should be comfortable owning solutions through the entire software development lifecycle, including design, development, integration, deployment, monitoring, troubleshooting, and production support.