Senior Python Engineer

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

We’re looking for a strong Senior Python Engineer who can design, build, and improve large-scale applications while helping the team deliver reliable, secure, and high-quality solutions.

You’ll be responsible for:

• Designing, developing, testing, and documenting software and technical solutions.
• Building and improving both front-end and back-end systems.
• Troubleshooting issues and performing root cause analysis to prevent problems from happening again.
• Designing scalable, maintainable systems and leading larger development efforts.
• Helping the team improve system reliability, performance, security, and resiliency.
• Breaking down complex technical designs into work that can be easily implemented and maintained.
• Making sure applications have the right testing, monitoring, and instrumentation in place.
• Identifying security risks and helping the team address vulnerabilities and potential attack surfaces.
• Looking for opportunities to improve processes, reuse existing solutions, and introduce better ways of doing things.
• Mentoring and coaching other engineers on technical best practices.

What we’re looking for:

• 5–7 years of full SDLC experience designing, developing, and implementing large-scale applications.
• 5+ years of Python development experience.
• Strong experience with FastAPI.
• 5+ years working with RESTful web services.
• Experience with secrets management tools such as HashiCorp Vault, AWS Secrets Manager, or Azure Key Vault.
• Experience developing both front-end and back-end applications.

Nice to have:

• Terraform and Vault experience.
• Experience working in both Windows and Linux environments, including shell scripting.
• Experience with PostgreSQL, ORM frameworks, and database performance tuning.
• Experience with Azure or other cloud platforms.
• Strong understanding of object-oriented design and development principles.
• Experience contributing to professional or open-source projects.