Principal Software Engineer

Role Overview

We are looking for a Principal Software Engineer / Technical Architect who thrives on solving complex system design challenges, is passionate about building scalable SaaS products, and wants to make a meaningful impact. This is a foundational role where youll shape the technical backbone of LXRInsights.ai, our industry-first AI-powered marketing experimentation platform.

If youre someone who enjoys owning the big picture while staying hands-on with code, thrives in high-ownership environments, and is excited about the intersection of AI, data, and experimentationthis is your opportunity to architect a product thats changing how modern marketers scale.

About Us

LXRInsights.ai is a first-in-industry AI-Powered Marketing Experimentation Platform built for mid-sized and large e-commerce businesses. We are part of NetElixir, a leading AI-first digital marketing agency that has empowered 1000+ eCommerce brands globally. Our mission is to democratize marketing experimentation by giving brands transparency, control, and speed through intelligent testing and actionable insights.

What Youll Do

• Architect and scale the core LXRInsights platform to handle increasing volumes of customer event data, integrations, and customer complexity.
• Drive technical vision, architecture decisions, and platform evolution to ensure performance, scalability, and extensibility.
  
• Collaborate closely with Product and Data Science teams to translate ideas into robust and elegant software design.
• Take ownership of end-to-end implementation from architecture to deployment, including reviewing code, mentoring engineers, and ensuring best practices in an Agile environment.
• Lead the team in evaluating and integrating new technologies and frameworks to maintain a future-ready stack.
• Ensureclean, modular code architecture that balances agility with long-term maintainability.

What Were Looking For

• 812 years of hands-on software development experience in a modern product development environment (Agile/Scrum).
• Proven track record of owning at least one full product development life cycle from concept to launch (ideally SaaS or data-driven platforms).
• Deep expertise in cloud-native architectures (preferably AWS or GCP), microservices, and distributed systems.
• Strong programming skills in at least one of: Python, Java, or Go.
• Strong expertise in designing and developing scalable backend systems, webservices, and REST APIs using Python/Django, Flask or similar frameworks.

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• Proficiency in working with databases like PostgreSQL, MySQL, MongoDB.
• Solid understanding of data pipelines, and integrations with third-party platforms (Google Ads, Meta, GA4, etc., a plus).
• Experience working with CI/CD pipelines, infrastructure as code, containerization (Docker/Kubernetes).
• Passion for clean code, architectural patterns (e.g., domain-driven design), and a strong believer in testing and automation.
• Ability to lead and mentor a team while remaining hands-on and detail-oriented.

Why Join Us

• Be part of building a category-defining AI-powered product from the ground up.
• Work with a team that values curiosity, craftsmanship, and experimentation.
• High visibility role with direct access to the CEO and product leadership team.
• Opportunity to shape the future of marketing experimentation and solve real problems for top-tier e-commerce brands.
• Competitive compensation, best-in-class benefits, and a culture rooted in collaborative problem-solving, continuous learning, and building something truly meaningfula gamechanger for the entire industry.