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Description
Senior Software Engineer, Backend (Python / Cloud Security Platforms)
Location: Philadelphia, PA
Work Arrangement: Hybrid - 2-4 days per week onsite
Schedule: Standard business hours
Key Responsibilities
Backend Engineering & Platform Development
Required Qualifications
Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.
Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more.
All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.
2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use and Privacy Notice.
Description
Senior Software Engineer, Backend (Python / Cloud Security Platforms)
Location: Philadelphia, PA
Work Arrangement: Hybrid - 2-4 days per week onsite
Schedule: Standard business hours
Key Responsibilities
Backend Engineering & Platform Development
- Design, build, and maintain backend services and data pipelines that ingest, normalize, and analyze large volumes of cloud and security data.
- Write production-quality Python code using established architectural patterns, testing practices, and documentation standards.
- Design and own medium-complexity systems, including data models, API contracts, orchestration logic, and integrations.
- Leverage AI coding agents daily to accelerate development while maintaining code quality and architectural consistency.
- Craft structured prompts aligned with project conventions and critically evaluate AI-generated output for correctness, security, and maintainability.
- Apply judgment to determine when to hand-code versus delegate tasks to AI agents.
- Build and maintain services running on AWS, including containerized workloads and supporting cloud services.
- Implement resilient, long-running processes with robust retry logic, progress tracking, and failure handling.
- Contribute to Infrastructure as Code and CI/CD pipelines supporting multi-environment deployments and security scanning.
- Conduct thorough code reviews evaluating design intent, correctness, security, and long-term sustainability.
- Collaborate closely with security analysts, platform teams, and leadership to refine requirements and technical solutions.
- Participate in support rotations, monitor service health, and respond to operational issues.
- Maintain documentation, runbooks, and architectural decision records.
Required Qualifications
- 5 years of professional software engineering experience.
- Strong proficiency in Python 3.10 , writing idiomatic, well-structured code.
- Deep experience with FastAPI or similar async web frameworks.
- Solid understanding of relational databases (PostgreSQL preferred), ORM patterns, and schema migration tools.
- Experience working with large-scale datasets and maintaining strong data integrity.
- Working knowledge of concurrency, distributed execution, and async processing models.
- Hands-on experience with AWS services, containerization, and CI/CD pipelines.
- Strong communication skills and experience working in Agile environments.
- Experience with React and TypeScript.
- Familiarity with cloud security domains, tooling, or platforms.
- Experience integrating with REST or GraphQL APIs using secure authentication methods.
- Exposure to analytical platforms or search/log analytics tools.
- Professional experience using AI coding assistants beyond basic autocomplete.
Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.
Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more.
All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.
2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use and Privacy Notice.