Senior Software Engineer (Python/React)

Job Description

Responsibilities

• Design and implement highly available, scalable backend services and APIs that orchestrate complex procurement workflows across distributed systems (REST; service-to-service communication; event-driven architectures)
• Architect resilient service designs and data models that handle high-volume transaction processing, ensuring performance under load and graceful degradation
• Continuously improve reliability, performance, and scalability through profiling, observability, and load testing
• Implement comprehensive security, data protection, and fault-tolerance patterns for critical procurement operations
• Build and optimize asynchronous task processing pipelines for automated procurement decisions and carrier notifications
• Design caching strategies, database optimization, and service orchestration patterns to achieve sub-second response times at scale
• Build, test, and ship user-facing web experiences with high performance and accessibility
• Contribute in architecting and designing scalable frontend architecture
• Own entire features from specification to shipping, including technical planning, estimation, and rollout
• Collaborate with product managers and designers to shape solutions and deliver iteratively
• Work effectively with a high degree of autonomy in a globally distributed, async-first team
• Participate in code reviews, raise engineering standards, and reduce technical debt through pragmatic refactors
• Leverage AI-assisted development tools to accelerate feature delivery, refactoring, and debugging while maintaining code quality, test coverage, and system observability
• Mentor junior developers and help establish coding standards and best practices
  

Requirements

• 5+ years of professional software engineering experience, including meaningful ownership of production systems
• Strong backend experience building services in Python (Python 3) in cloud environments (AWS)
• Experience with common backend patterns and tools (Flask, Celery, PyTest or similar)
• Solid database skills with PostgreSQL (schema design, indexing, query performance)
• Familiarity with distributed systems and microservices architecture; ability to reason about tradeoffs
• Experience using AI-assisted development tools (e.g., Cursor, GitHub Copilot, Claude Code, Gemini CLI etc.) to accelerate delivery while maintaining high engineering standards (clear intent, good tests, safe changes, and debuggable code)
• Solid Frontend experience building modern web apps (React preferred; Angular/Vue acceptable)
• Deep understanding of JavaScript/TypeScript, HTML, and SCSS; strong UX/UI instincts and accessibility basics
• Experience designing and consuming REST APIs (versioning, pagination, error handling, auth patterns)
• Experience with CI/CD, testing strategies (unit/integration/e2e), and code quality practices

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