Senior Backend Software Developer, AI Agents

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September 25

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Knak

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Enterprise • SaaS • Marketing

Knak is an innovative company providing a no-code campaign creation platform designed specifically for enterprise marketing teams. It enables marketers to rapidly create and deploy professional emails and landing pages without needing technical coding skills, thereby speeding up time-to-market and allowing for greater creativity in campaign execution. Knak offers a range of features including email builder, landing page builder, dynamic content personalization, and seamless integrations with existing marketing technology. With an emphasis on security and SOC 2 compliance, Knak is trusted by major global brands to optimize their marketing workflows and enhance team collaboration.

51 - 200 employees

🏢 Enterprise

☁️ SaaS

📋 Description

• Build reliable APIs: Develop and maintain RESTful APIs with Laravel, ensuring testability, observability, and performance. • Create AI microservices: Build Python and Node.js services for AI agent hosting and LLM interaction, enabling seamless content generation. • Design across the stack: Apply object-oriented and functional programming to deliver scalable and maintainable systems. • Optimize databases: Tune queries and indexing for MySQL to improve speed and reduce latency. • Deploy to the cloud: Use AWS services (Lambda, CDN delivery, optimization) to build secure, scalable infrastructure. • Elevate code quality: Lead and participate in code reviews, maintaining high standards across the team. • Collaborate cross-functionally: Work with product, design, QA, and DevOps to align solutions with business needs. • Mentor engineers: Share knowledge and set a high bar for technical excellence. • Contribute to architecture decisions and shape the future of marketing automation.

🎯 Requirements

• 6+ years of backend software development experience • Strong proficiency in PHP (Laravel), Python, Node.js, and MySQL • Expertise in RESTful APIs, TDD, CI/CD (GitHub Actions) • Experience with SaaS architecture, microservices, and AWS • Knowledge of observability, performance tuning, and scalability • Familiarity with Docker/Kubernetes • Excellent problem-solving skills and a collaborative mindset • (Nice to have) Experience in AI-powered product development • (Nice to have) Background with LLMs, LangGraph, or AI agent frameworks • (Nice to have) Prior experience in a fast-growing SaaS company

🏖️ Benefits

• competitive salaries • equity in the company • great benefits • paid vacation • Life leave days (because life happens) • team lunches and off-sites • commitment to YOUR career growth