Full-Stack Python Engineer
System OneJob description
Full-Stack Engineer (Python / React / AWS)
Remote | Long-Term Contract
Overview A well-established, high-performing engineering organization is seeking a Full-Stack Engineer to contribute to a large-scale, business-critical internal platform. This system supports core operational workflows and requires a strong emphasis on code quality, maintainability, and ownership .
This is an opportunity for an engineer who approaches development with a systems mindset , understands the broader business context of their work, and is comfortable operating within a complex, mature codebase.
Key Responsibilities
- Develop and enhance a large-scale application using Python, React, and AWS across the full stack
- Work within an existing architecture that includes complex business rules and interdependent components
- Write clean, maintainable, and scalable code aligned with established engineering standards
- Ensure strong testing practices, including comprehensive unit test coverage
- Collaborate closely with engineering peers, architects, and cross-functional stakeholders
- Troubleshoot and resolve issues by evaluating system behavior holistically (data flow, performance, dependencies)
- Take ownership of features end-to-end, including design, implementation, testing, and long-term support
- Contribute to ongoing improvements in system design, performance, and reliability
Technical Skills:
- Strong experience with Python in production environments
- Proficiency with React and modern JavaScript (TypeScript preferred)
- Hands-on experience with AWS services
- Solid understanding of REST APIs and distributed system design
- Experience with unit testing frameworks and disciplined testing practices
- Familiarity with CI/CD pipelines and modern development workflows
- Experience working within complex, highly customized systems
- Strong emphasis on writing high-quality, maintainable software—not just functional code
- Ability to understand and apply business logic within technical solutions
- Detail-oriented with a focus on scalability and long-term impact
- Comfortable working within an established codebase and contributing incrementally
- Strong communication and collaboration skills
- Demonstrated problem-solving ability in complex technical environments
- Exposure to enterprise-grade or highly customized platforms
- Experience with microservices, event-driven, or serverless architectures
- Background in environments with strict quality or testing standards
- Familiarity with systems involving pricing, configuration, or workflow-heavy logic
- Experience with algorithmic problem solving or structured technical interview environments
- Fully remote position
- Long-term engagement with potential for full-time conversion
- Multi-stage technical interview process with a focus on problem-solving and engineering fundamentals
- Work on a platform with direct operational and business impact
- Join a team that prioritizes engineering discipline and code quality
- Collaborate with experienced engineers in a highly accountable environment
- Opportunity to influence and improve a complex, high-value system
Interested in this role?