Senior Python Engineer - Build Scalable, Secure Web Apps

HeartCentrix Solutions; United States; On-site; USD 140,000 - 190,000; Full time

Job summary

HeartCentrix Solutions is seeking a Senior Python Engineer to design, build, and evolve large-scale applications with a focus on reliability, security, and quality. You will own end-to-end development across front-end and back-end, implementing scalable architectures using FastAPI and REST services, and contributing to testing, monitoring, and security practices.

In this role you will mentor teammates, drive architectural decisions, and help the team improve performance and resiliency while

Qualifications

• Experience designing and delivering large-scale software.
• Strong Python development experience in production systems.
• Experience with security, secrets management, and cloud platforms.

Responsibilities

• Design, develop, test, and document software and technical solutions.
• Build and improve front-end and back-end systems.
• Troubleshoot, perform root cause analysis, and prevent regressions.
• Design scalable, maintainable systems and lead development efforts.
• Improve reliability, performance, security, and resiliency.
• Break down complex designs into actionable tasks.
• Ensure testing, monitoring, and instrumentation are in place.
• Identify security risks and address vulnerabilities.
• Improve processes and promote reuse of solutions.
• Mentor and coach engineers on best practices.

Skills

Python

Full SDLC

FastAPI

RESTful APIs

System design

Mentoring

Security awareness

Tools

HashiCorp Vault

AWS Secrets Manager

Azure Key Vault

Terraform

PostgreSQL

ORM frameworks

Azure

Job description

HeartCentrix Solutions is seeking a Senior Python Engineer to design, build, and evolve large-scale applications with a focus on reliability, security, and quality. You will own end-to-end development across front-end and back-end, implementing scalable architectures using FastAPI and REST services, and contributing to testing, monitoring, and security practices.

In this role you will mentor teammates, drive architectural decisions, and help the team improve performance and resiliency while