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Splitmetrics

Senior Backend Engineer (Python) - AI

Splitmetrics·3 days ago

⏰ Full-time⭐ Senior🇵🇱 Warsaw, Poland📅 Oct 14, 2026

SplitMetrics is a global software company offering an ecosystem of products and services that serve as a growth engine for top mobile-first businesses worldwide. Our ecosystem includes:

  • SplitMetrics Acquire, a platform for automating and optimizing Apple Ads. 

  • SplitMetrics Agency, a full-service mobile marketing agency staffed by top experts.

  • SplitMetrics Optimize, an A/B testing platform recognized as the ASO Tool of the Year.

  • App Radar by SplitMetrics: an ASO platform with advanced keyword and competitor insights.

Why SplitMetrics? 

  • For over 11 years, we’ve been at the forefront of the mobile marketing industry, building an ecosystem of market-leading technologies.

  • An Apple Ads Partner, SplitMetrics is the 1st company to build the Apple Ads management platform. 

  • Working with top mobile companies and brands globally: Skyscanner, Glovo, Flo, Babbel, Wooga and many more.

  • Generating an impressive transaction volume, with over $1 billion in ad spend flowing through our ecosystem.

  • Integrated AI into our strategic approach since 2023.

  • Effectively collaborate across 20+ countries with a remote-first and supportive culture.

We’re looking for a Senior Backend Engineer (Python) who will join our team.

What will you do:

  • Design and build backend services in Python (FastAPI)

  • Implement async job execution and status tracking (Redis/Celery/Kafka)

  • Integrate with LLM services (internal & external)

  • Store, version, and serve creative assets efficiently

  • Build and maintain external MCP servers that expose our platform to third-party AI agents and clients

  • Develop ETL pipelines and ensure data quality across ingestion, transformation, and storage

  • Ensure stability, observability, and cost-efficient inference

About you:

  • 4+ years Python backend experience

  • Strong FastAPI experience

  • Solid PostgreSQL + S3 (or equivalents)

  • Experience with async task queues (Celery, Redis, Kafka)

  • Production experience integrating with microservices: long-running jobs, retries, failure handling

  • Solid hands-on experience with agentic AI: building MCP servers, implementing agents, and working with various LLMs and other generative models

  • Genuine enthusiasm for agentic AI and keeping up with how the field evolves

  • Basic observability skills (logging, monitoring, alerting)

  • Experience in cross-functional teams (frontend, ML)

  • Experience with AWS infrastructure, Docker, Kubernetes

It would be great if you have:

  • Familiarity with LangChain or agentic workflows

  • Marketing technology background (ad platforms, creative tools)

  • Experience with StarRocks (or other OLAP databases, ex. Clickhouse)

What is there for you?

  • Time Off: Vacation and public holidays following your country's regulations. Additional PTOs annually for personal rejuvenation.

  • Health and Wellness: Medical insurance or health care compensation. Paid sick leave to prioritize your well-being.

  • Professional Development: Top online/offline conferences and mobile industry events. Internal courses for continuous professional development.

  • Performance and Growth: Micro-management-free and supportive management style. Semi-annual performance review sessions. New career opportunities through our internal mobility program.

  • Team Engagement: Corporate online events and offline team retreats. Collaboration between teams through shared OKRs. Environment conducive to open dialogue and constructive feedback.

  • Work Flexibility: Flexible working schedule for a better work-life balance. Remote-first working environment.

  • Workspace Options: Coworking costs coverage program. Office hubs in key locations for a convenient and productive work environment.

Market context

Measured from remote postings we have tracked ourselves — not self-reported survey data.

What Senior Engineering roles in Europe pay

25th
$84k
Median
$115k
75th
$143k

Based on 1,192 comparable postings with disclosed salaries, last 12 months.

How Splitmetrics is hiring

Last 90 days
12 roles
Total tracked
42
Hiring across
8 job families

Tracked since October 2025.

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