Senior Backend Engineer (Python) - AI

SplitMetrics
Europe Time Zones
Remote

Who this role is best for

Geared toward Python backend engineers comfortable with agentic AI and async job execution, working in a remote-first environment with a focus on cross-functional collaboration across Europe.

Best fit for

  • Python backend engineers with agentic AI and async task queue experience who thrive in cross-functional, remote-first teams.
    — “Implement async job execution and status tracking (Redis/Celery/Kafka)”
  • Candidates with production-level exposure to LLMs and microservices architecture, particularly in marketing tech domains.
    — “Solid hands-on experience with agentic AI: building MCP servers, implementing agents, and working with various LLMs and other generative models”
  • Individuals who have worked with data pipelines and cloud infrastructure in a high-volume, high-transaction environment.
    — “Generating an impressive transaction volume, with over $1 billion in ad spend flowing through our ecosystem”

Things to consider

  • The role requires working with teams across 20+ countries, which may involve managing time zone differences.
    — “Effectively collaborate across 20+ countries with a remote-first and supportive culture”
  • Candidates must be prepared to integrate and maintain external MCP servers for AI agents and clients.
    — “Build and maintain external MCP servers that expose our platform to third-party AI agents and clients”

How to stand out

  • Demonstrate your ability to design scalable backend services using FastAPI and manage async tasks efficiently.
    — “Design and build backend services in Python (FastAPI)”
  • Emphasize your production-level integration with LLMs and your understanding of observability practices.
    — “Integrate with LLM services (internal & external)”
  • Showcase your experience with AWS, Docker, and Kubernetes in your technical projects and roles.
    — “Experience with AWS infrastructure, Docker, Kubernetes”
  • Demonstrate your ability to build and maintain ETL pipelines with a focus on data quality.
    — “Develop ETL pipelines and ensure data quality across ingestion, transformation, and storage”
Pace · SteadyCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • stable and efficient backend services
  • high-quality data integration
  • cost-efficient inference
Typical background
python backendfastapipostgresql

Skills & requirements

Required

PythonFastapiPostgreSQLS3Async Task QueuesAgentic AiObservabilityCross-functional TeamsAws InfrastructureDockerKubernetes

Preferred

LangchainMarketing TechnologyStarrocks

Stack & domain

PythonFastapiPostgreSQLS3RedisCeleryKafkaAWSDockerKubernetesLangchainAgentic WorkflowsStarrocksClickhouseTeamworkCommunicationCross-functional TeamsLeadershipProblem-solvingAdaptabilityAIBackend EngineeringSoftware DevelopmentCloud Infrastructure

About the role

Original posting from SplitMetrics via Ashby

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.

OUR CULTURE

At SplitMetrics, our values are not just words — they guide everything we do. To achieve our ambitious goals and maintain success, we stand united by our core behaviors:

  • Move Fast
  • Get Sh*t Done
  • Build Together
  • Strive for Transparency
  • Own What You Do
  • Learn + Share = Excel

Remote Hiring Guidelines: At SplitMetrics, we welcome team members from various countries. While all our roles are remote, certain positions may have specific eligibility requirements based on location. Our Talent Acquisition team can help answer any questions about location after starting the recruiting process.

Source: SplitMetrics careers (Ashby)

Similar roles