Middle Software Developer

Що робити

Build AI SDR systems: Develop autonomous agents that manage communication pipelines, qualify leads, and move them through the sales funnel without human intervention.
Develop browser automation infrastructure: Build systems that interact with web platforms on behalf of AI agents — managing sessions, actions, and anti-detection bypass logic at scale.
Integrate LLMs (Claude API): Implement real-time message classification, context-aware response generation, and handle conversations across hundreds of active threads simultaneously.
Build a task orchestration layer: Design queues, background workers, and concurrency handling to ensure the entire system runs reliably under heavy load.
Integrate with external tools: Connect the infrastructure with CRMs, calendar booking services, messaging platforms, and notification systems.

2+ years of commercial experience in backend or fullstack development.
Deep understanding of system design: Queues, background tasks, concurrency, fault tolerance, and error handling.
Experience with relational databases (PostgreSQL or similar).
Strong ability to integrate third-party APIs and quickly figure out unfamiliar documentation.
Systems thinking: You see how individual components come together into a reliable, cohesive whole.

Experience with Playwright, Puppeteer, or any other browser automation framework.
Knowledge of anti-detect browser concepts or browser fingerprinting.
Prior experience working with LLM APIs (Claude, OpenAI, etc.).
Understanding of bot detection mechanisms and strategies to bypass them.
Experience with Redis / BullMQ or similar task queue systems.