Senior Lead Engineer

As a Senior Lead Engineer, you will become the right hand to the Principal Architect. This is a high-impact, operational leadership role where you will take full accountability for core React/Node/TS interfaces and backend systems, mentor the engineering team, and seamlessly integrate cutting-edge AI agents into complex enterprise workflows.

Your Role

• Architecture & Delivery: Designing, building, and scaling core enterprise systems and interfaces using React, Node.js, and TypeScript.
• Technical Leadership: Taking extreme ownership of the codebase, enforcing world-class standards, conducting code reviews, and mentoring the engineering team to help them grow into independent problem solvers.
• AI Integration: Collaborating closely with the AI architecture team to embed LLM agents, neurosymbolic systems, and state machines into secure, deterministic enterprise workflows.
• Problem Solving: Acting as the ultimate escalation point for complex technical challenges, leading the charge to unblock production when critical issues arise.
• Strategic Execution: Translating high-level business requirements and macro-architecture directly into flawless, high-performing code that creates durable operating leverage.

Requirements

• Experience: 10+ years of hard-core software engineering experience, with a proven track record in Lead, Principal, or Expert roles.
• Tech Stack Mastery: Absolute, atomic-level expertise in React, Node.js, and TypeScript ecosystem.
• Extreme Ownership: A proactive mindset – you don’t wait for tasks; you identify problems, design solutions, align resources, and deliver with absolute certainty.
• Leadership & Mentoring: Ability to elevate the team, set uncompromising quality standards, and guide junior/mid engineers.
• Business DNA: Deep understanding that code serves tangible business goals (ROI) and creates long-term value, rather than just being technical art.
• Communication: English at minimum B2 level to collaborate effectively with an elite team and global partners.

What We Offer

• Global Impact:The chance to build next-generation neurosymbolic systems redefining how global enterprises utilize AI.
• Elite Environment:Direct collaboration alongside C-level executives, visionaries, and core software architects.
• High-End Hardware:New Apple MacBook Pro and external monitors provided as needed.
• Premium Office Perks:Access to a modern office in Kraków featuring a playroom, bike parking, shower, free coffee, beverages, and snacks (with no dress code).