Senior Backend Engineer

Senior Backend Engineer role at Luzia. Join or sign in to apply.

About Luzia: we ship fast, keep it simple, learn from experiments, own outcomes, and build what users need. We aim for a fast-paced environment where AI is used daily to automate the routine and amplify creativity. Luzia is backed by Silicon Valley investors and launched in April 2023 as a WhatsApp-based personal assistant, targeting GenZ users in LATAM. In our first 18 months, Luzia reached 1M daily active users worldwide and focuses on education and companionship for GenZ.

As a Senior Software Engineer, you'll join our founding engineering team, driving the development of scalable, high-impact solutions that power our AI-driven products.

• Lead Backend Development: Design, build, and deploy backend services with a focus on scalability, performance, and robustness, particularly for applications utilizing LLMs.
• Cross-Functional Collaboration: Work closely with product, AI, and engineering teams to translate business needs into scalable, high-performing technical solutions.
• API Development: Design and manage inter-service communications, ensuring seamless integration across our AI products.
• Code Excellence: Maintain high standards for code quality, testing, and deployment, championing best practices in CI/CD.
• Mentorship: Provide guidance and mentorship to junior engineers, fostering a culture of innovation, collaboration, and continuous improvement.
• System Optimization: Continuously analyze and optimize system performance, scalability, and reliability.
• Architectural Input: Engage in system architecture discussions, influencing the technical roadmap and future development strategies.

• Experience: 5+ years of professional experience in Python development (additional languages are a bonus).
• Startup DNA: Previous experience in a startup environment, thriving in fast-paced, dynamic teams.
• Cloud Expertise: Hands-on experience with cloud environments, modern databases, and distributed data ecosystems.
• Communication: Strong communication skills. Fluency in English and comfortable working in an English environment.
• Customer-Centric: Product-focused mindset, ensuring technical solutions align with customer needs.
• Proactive Leadership: Self-starter with excellent prioritization skills, able to work autonomously while driving results.
• Business-Technical Translator: Ability to explain complex technical concepts to business stakeholders.
• Education: Bachelor's degree in Computer Science, Engineering, or related fields.

• Experience with high-performance computing and system optimization.
• Leadership or project management experience.
• B2C experience with large user databases.
• Hands-on experience building or contributing to AI products; experience or side projects involving AI/ML.

• Be part of an innovative project in artificial intelligence.
• Opportunities for growth and professional development in cutting-edge technologies.
• Competitive salary and attractive benefits package.
• Flexible, inclusive, and collaborative work culture.

We are on a journey to make AI meaningful, accessible, and transformative for millions of users. You'll be part of a fast-growing startup focused on products that transform the AI space, with a product- and engineering-oriented team and a commitment to ethical AI practices.

We embrace agility and a ship, experiment, iterate, ship mentality. Our team is collaborative, innovative, and mission-driven. If you're passionate about AI, solving complex problems, and making a significant impact, we'd love to hear from you.