Senior Backend Engineer – AI Tax Platform

Filed; Stockholms kommun; On-site; SEK 921,000 - 1,088,000; Full time

Benefits offered by this job

30 days holiday

US medical coverage

European benefits

Offsites every 4 months

Job summary

Filed is seeking a Senior Backend Developer (Python) to build and shape the engine room of our AI tax prep platform. You’ll own end-to-end architecture, create scalable Python services, and drive deep integrations with tax software firms so Filed works where customers work.

You’ll design data pipelines, ship fast, observe metrics, and elevate the engineering bar through reviews and cross-functional collaboration. If you’re excited by tough problems, ownership, and real-world impact, join us.

Qualifications

• Production-grade Python services and APIs at scale.
• Experience with agent-first workflows and LLM-driven pipelines.
• Strong knowledge of distributed systems and data modeling.
• Proficiency in React/Typescript and cloud infrastructure.

Responsibilities

• Design, build, and operate backend services for AI tax prep products.
• Own architecture, APIs, and data models used across the product.
• Ship quickly, monitor metrics, and iterate improvements.

Skills

Python production services

Agent-first workflows

Distributed systems

React/Typescript

Cloud infra (GCP/Azure)

Startup experience

0-to-1 product impact

Tools

Google Cloud

Azure

Job description

Filed is seeking a Senior Backend Developer (Python) to build and shape the engine room of our AI tax prep platform. You’ll own end-to-end architecture, create scalable Python services, and drive deep integrations with tax software firms so Filed works where customers work.

You’ll design data pipelines, ship fast, observe metrics, and elevate the engineering bar through reviews and cross-functional collaboration. If you’re excited by tough problems, ownership, and real-world impact, join us.