Senior Backend Engineer: Scalable Services & Security
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Summary
Per-task contract role for a senior backend engineer paying $30–$100/hour, focused on building scalable services and APIs, debugging, performance work, and secure coding. Work spans Java, Node.js, Go, Rust, TypeScript, Python, or C++, with a cybersecurity/SecOps background (appsec, pentesting, OWASP) a big plus.
Senior Software Engineer ($30 - $100/hour)
Looking For
- Strong backend experience in Java, Node.js, Go, Rust, Typescript, Python, C++ or similar
- A track record building scalable services and APIs
- Comfort with debugging, performance work and automated testing
- Solid code review instincts
- A cybersecurity or SecOps background is a big plus secure coding, appsec, pentesting, vulnerability assessment, OWASP/CWE, or security-focused reviews
- Proven experience in backend development, with a track record of delivering high-quality and performant projects
- Background in cybersecurity, such as penetration testing, vulnerability assessment, or security code reviews
- Demonstrated success in identifying and resolving software bugs and system bottlenecks
- Experience with codebase refactoring and implementing complex features in large-scale applications
- Strong understanding of algorithms, data structures, and foundational computer science concepts
- Excellent analytical, problem-solving, and technical communication skills
Compensation is output-based; experts are paid per task that meets the project specifications. The time required to complete work may vary depending on the expert s experience and workflow. Minimum submission requirements apply. Experts must submit a minimum of tasks per week.