Technical Lead, Applications

About the Role

The role entails leading a small, senior applications team, including backend, mobile, and desktop engineers, and ensuring production-grade reliability through observability, monitoring, retries, fallbacks, and failure handling. Your architectural decisions will have a direct impact on the user experience, making this a uniquely challenging and rewarding position for those who enjoy both the technical and leadership aspects of their work.

Bjak is committed to building a proactive AI smart assistant that brings intelligence to everyday conversations, errands, organizing, and workflows. The company's goal is to achieve high reliability for long-running workflows, persistent context, and real-world task completion, setting a new standard in AI-powered applications.

What You Will Do

• Own the application engineering strategy and execution across backend, mobile, and desktop.
• Lead and grow a small, senior applications team, including backend, mobile, and desktop engineers.
• Ensure production-grade reliability: observability, monitoring, retries, fallbacks, and failure handling.
• Set the architectural direction for AI-powered product workflows, APIs, and client integrations.
• Ensure AI capabilities are integrated into the product with clear abstractions, predictable behavior, and graceful failure modes.
• Partner closely with Machine Learning leadership to translate model capability into shippable product features.
• Make high-impact decisions across latency, cost, reliability, security, and user experience.
• Establish a strong execution culture through code reviews, design reviews, and hands-on technical leadership.
• Ensure production readiness: observability, monitoring, retries, fallbacks, privacy, and cost controls.
• Balance speed and discipline – shipping quickly without compromising long-term system quality.

What We Are Looking For

• Significant experience leading application or product engineering for complex systems.
• Strong hands-on background building and shipping backend systems used in production.
• Experience delivering AI-powered products, with a deep understanding of model integration trade-offs.
• Excellent system design skills across services, APIs, clients, and data flows.
• Comfort operating across platforms (backend, mobile, desktop), even if your depth is in one.
• Proven ability to make high-impact technical decisions under ambiguity.
• A strong bias toward shipping, iteration, and learning from real-world usage.
• Proficiency in tools like Excel for data analysis and planning.

Nice to Have

• Experience with Agile development methodologies.
• Knowledge of cloud-based services and their integration with AI systems.
• Familiarity with security protocols and practices for protecting user data.

Benefits and Perks

• Competitive salary package.
• Opportunity to work on a cutting-edge AI-powered product.
• Collaborative and dynamic work environment.
• Professional development opportunities, including training and conference attendance.
• Flexible working hours and remote work options.
• Access to the latest tools and technologies.
• Comprehensive health insurance and wellness programs.

• To stand out, highlight your experience in leading application engineering and delivering AI-powered products, emphasizing your ability to make high-impact technical decisions.
• Prepare to discuss your approach to ensuring production-grade reliability and your experience with tools like Excel for data analysis.
• Showcase your system design skills and comfort operating across different platforms.
• Be ready to talk about your experience with model integration trade-offs and how you've handled ambiguity in previous roles.
• Consider preparing examples of your work, such as designs or code snippets, to demonstrate your expertise during the interview process.
• Don't hesitate to ask about the company culture, team dynamics, and opportunities for professional growth during your interviews.