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# Senior Python Developer

- **Company:** HeartCentrix Solutions
- **Location:** Arlington, TX, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Query Performance, JavaScript (Programming Language), Microsoft Windows, Amazon Web Services, Microsoft Azure, Cloud Computing, Databases, Linux, Github, Python (Programming Language), Key Management, PostgreSQL, Object-Relational Mapping, Object-Oriented Software Development, Open Source Technology, Shell Script, TypeScript, Enterprise Software Applications, Cloud Platform System, ReactJS, Backend, Fastapi, Hashicorp, Front End Software Development, Restful APIs, Terraform
- **Published:** November 7, 2026
- **Apply:** https://www.thejobnetwork.com/job/433ef83d-62f4-427d-b57e-f1581338dab8/senior-python-developer

## About the Role

· Experience with HashiCorp Vault, AWS Secrets Management, or Azure Key Vault

· Full software development life cycle (SDLC) experience designing, developing, and implementing large-scale applications (front-end and back-end)

· Python experience with proficiency in FastAPI

· Experience with RESTful web services

Preferred Qualifications

· Experience with React, TypeScript, and JavaScript

· Proficiency in object-oriented design techniques and principles

· Experience with Terraform and Vault

· Professional, design, and open-source experience

· Experience with Git and GitHub

· Experience working in Windows and Linux operating systems (cloud, midrange, distributed), including shell scripting

· Proficiency with database and persistence frameworks: PostgreSQL, object/relational mapping, and query performance tuning

· Proficiency with a cloud platform such as Azure

Ideal Candidate

The ideal candidate is a technically strong Python developer with a security-minded approach to building and operating large-scale systems. They are comfortable managing secrets and attack surface, instrumenting systems for observability, and breaking complex designs into work that others can build. They mentor teammates, advocate for reuse, and keep the team focused on delivering value quickly.

## Description

We are seeking a Senior Python Developer to write, test, and document high-quality technical work products and raise the quality and craftsmanship of products and systems. This role designs self-contained systems within a team's domain, leads implementation of significant capabilities, and coaches team members on reliability, resiliency, security, and performance. This is a hybrid position with onsite presence required., · Write, test, and document technical work products (code, scripts, processes) according to organizational standards

· Devote time to raising the quality and craftsmanship of products and systems

· Conduct root cause analysis to identify domain-level problems and prescribe mitigating action items

· Design self-contained systems within a team's domain and lead implementation of significant capabilities in existing systems

· Coach team members on techniques to improve reliability, resiliency, security, and performance

· Decompose intricate, interconnected designs into implementations that less experienced engineers can build and maintain

· Anticipate trouble areas in systems under development and guide the team on instrumentation for observability and supportability

· Define test suites and instrumentation to ensure latency and availability targets are consistently met in production

· Lead by example in closing open vulnerabilities

· Evaluate potential attack surfaces in systems under development, identify mitigation best practices, and guide teams in implementing them

· Lead the team in identifying small batches of work that deliver the highest value quickly

· Ensure reuse is a first-class consideration in team implementations and advocate for broad reusability

· Formally mentor teammates and guide them along needed learning journeys

· Identify opportunities to introduce new approaches to problems