Experienced Python Developer – Contractor

7 hours ago

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Stack Builders

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B2B • SaaS • Tech Consulting

Stack Builders is a technology consulting firm specializing in custom software development and technology modernization solutions. They offer a unique blend of advanced programming, particularly in languages like Haskell and TypeScript, and business growth consulting to deliver engineered software solutions that drive business growth. Their services include nearshore development, full lifecycle support, security and compliance, and innovative web solutions, with a focus on high-quality, secure, and compliant software. Stack Builders partners with clients across various industries to modernize outdated systems and enhance digital experiences, demonstrating exceptional professionalism and technical proficiency.

51 - 200 employees

🤝 B2B

☁️ SaaS

📋 Description

• Build the future of autonomous cybersecurity with us! • We’re looking for a senior-level Python developer to contribute to one of the most ambitious security automation initiatives in the industry. • Collaborate directly with the client’s security product lead in an agile, highly technical environment focused on automation, data engineering, and AI-augmented development. • Be deeply involved in all aspects of the engineering process—from clarifying detection logic and ingestion requirements to building scalable pipelines, workflow engines, and automated response systems. • Productizing and extending a Python-based Security Automation Platform that replaces L1/L2 SOC operations. • Developing integrations with threat intelligence services (VirusTotal, Abuse.ch). • Designing and improving a multi-process automation architecture and a YAML-based workflow engine. • Ensuring all development is AI-first, with AI generating 60–70% of the first-draft code.

🎯 Requirements

• You are highly proficient in Python 3.10+ and experienced in building large, production-grade backend systems. • You have experience with data ingestion pipelines, REST APIs, event/log processing, or message queues. • You have hands-on experience with Elasticsearch / Kibana, or similar search/analytics platforms. • You are comfortable working with MongoDB and ideally have experience with MongoEngine or another ODM. • You understand or have worked with SOC, SIEM, SOAR, EDR, or incident response tooling. • You can integrate with third-party APIs and manage auth, throttling, error handling, retries, and async patterns. • Experience working in or extending a large existing codebase (~50K lines). • You have familiarity with workflow/orchestration engines (custom or Python ecosystem). • Advanced professional spoken and written English skills. • Your communication is clear, organized, and assertive. • You can work a minimum of 4 hours overlapping with the US Eastern timezone for real-time collaboration with the client. • You enjoy working in a small, senior, high-ownership team. • You are eager to learn, grow, and have fun while addressing meaningful challenges. • Knowledge of threat intel APIs such as VirusTotal, Abuse.ch, MISP, and OTX (Nice-to-Have). • Familiarity with Windows event logs or endpoint telemetry (Nice-to-Have). • Experience with Go (not required but favored for long-term scalability) (Nice-to-Have). • Exposure to React/Next.js is a plus (future risk-rating UI team will integrate with your backend work) (Nice-to-Have).

🏖️ Benefits

• 100% remote and flexible modality. • A human-centered experience in a people-first company. • Challenging, full-time, and long-term projects with globally admired companies. • A strong learning culture and regular pairing sessions to build high-quality code while sharing knowledge. • Opportunities for conference participation, OSS contributions, tutorials, blog posts, and technical talks. • Exceptionally talented and passionate coworkers. • Timely payments, with the flexibility to choose the payment date modality that best suits your needs. • A Stack Builders community to support you and grow with you!