Lead Backend Kotlin Engineer with GenAI/NLP, Orchestration systems Location: Phoenix, AZ (3 days office, 2 days wfh) Duration: Long Term Contract Key Skills: Backend, Kotlin/JVM, Orchestration systems (Temporal, Cadence, Camunda, Argo, or similar), API Design, GenAI/NLP, RBAC/Security models. Experience Level: 10+ years Job Description:
Bachelor’s degree in computer science, Engineering, Data Science, or related field (or equivalent experience).
10+ years of backend engineering experience, with strong Kotlin/JVM expertise.
Proven track record building platforms, frameworks, or orchestration services (not just applications).
Hands-on experience with workflow orchestration systems (Temporal, Cadence, Camunda, Argo, or similar).
Deep knowledge of distributed systems, API design, and event-driven architectures.
Practical experience integrating GenAI/NLP into backend systems.
Experience with RBAC/security models in multi-tenant or enterprise environments.
Strong bias for action, ability to thrive in lean teams inside large organizations, and passion for delivering value quickly.
Natural mentor with excellent communication skills; collaborates across functions and knows when to push back.