Python Engineer (AI & Agentic Workflows)

RelocationRemoteSenior

We’re looking for a Senior Python Engineer who can own and build the core backend and workflow infrastructure behind our agentic systems — someone practical, fast, and comfortable driving complex integrations end-to-end.

Responsibilities

  • Product-manage and build the internal Agent Hub (FastAPI) with tool registry, RAG memory, and per-agent quotas.

  • Build reliable stateful workflows using Temporal or Google Workflows.

  • Implement human-in-the-loop integrations via n8n (Slack, Google Drive, Jira, Plane.so) with Temporal and Celery tasks.

  • Orchestrate end-to-end agentic pipelines: insight → brief → asset → approval → ad upload.

  • Design prompt/output schemas (Pydantic/JSON) and LLM evaluation harnesses (Langfuse).

  • Ensure integration security and stability: secure webhooks, OAuth, rate limits, idempotency.

  • Maintain full observability with OpenTelemetry trace_id propagation.

Requirements

  • Strong Python 3.11+ skills; experience building production-ready services with FastAPI, Pydantic, SQLAlchemy.

  • Hands-on with workflow orchestration (n8n, Temporal/Google Workflows) and system integrations (Slack Bolt, Google APIs, Plane.so a plus).

  • Familiarity with modern AI tools (LangGraph, crewAI, LlamaIndex, Langfuse, pgvector) and prompt/context engineering.

  • Understanding of distributed systems: Pub/Sub, Postgres 15+, BigQuery, Celery/GKE, cloud (GCP/AWS).

  • Product-minded, platform-focused engineer with strong ownership; builds reliable, observable, scalable systems.

  • Comfortable using AI assistants (Copilot, Claude) to speed up development without compromising quality.

How we hire: 

  • HR interview

  • Tech interview

  • Final interview СТО

  • Reference check

Conditions

  • Professional development — access to paid training and courses, online/offline lectures, workshops, and trainings. Our team participates in all major IT meetups;

  • Adaptation — qualitative onboarding, we help to quickly and smoothly solve all problems and regularly collect feedback;

  • Career development — Review is conducted every 6 months, we monitor the results and help improve performance;

  • Equipment — everything you need to work: powerful, additional monitors, phones\devices\ software license;

  • Balance between work and personal life — the ability to conveniently build your work schedule, take days off without a bunch of approvals and bureaucracy;

  • Health — the opportunity to obtain extended voluntary health insurance (on the territory of Montenegro);

  • Office space — a cool office in Montenegro, with comfortable workplaces and lounge areas;

  • Relocation — we offer a full package of documents for those who has opportunity to join an office space in Montenegro, and we help with obtaining a residence permit;

  • Prequel+ — premium access to the entire Prequel product.

Published on: 12/11/2025

Prequel

Prequel

Prequel has been featured at the top of the App Store many times – it's a leading creative app for photo and video editing for Instagram, TikTok.

We’ve grown into a multi-product company, developing a range of creative apps, including Esti, Gio, and Hula.

Website

See all 4 jobs at Prequel

Please let Prequel know you found this job on Wantapply. It helps us get more jobs on our site. Thanks!