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MA
marta GmbH
last mo.

Data Engineer(m/w/x)

Berlin
Full-timeWith Home OfficeExperienced
AI/ML
Data Science

Description

In this role, you will transform complex data into actionable insights that drive data-driven decision-making. Your daily responsibilities will include analyzing data, improving machine learning models, and ensuring the quality and reliability of data outputs.

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Requirements

  • 2+ years of experience building production-grade systems
  • Fast, clean, and maintainable code in TypeScript, Node.js, React
  • Understanding of backend fundamentals: Hexagonal Architecture, NestJs/Inversify, Express.js, AWS SQS/SNS, Sockets, PostgreSQL, TypeORM
  • Knowledge of AWS (ECS/EKS), Docker, Kubernetes, Terraform
  • Experience with CI/CD pipelines (GitHub Actions, CircleCI)
  • Pragmatic work approach: prefer simple solutions over abstractions
  • Care for testing and long-term reliability
  • Ownership of built solutions
  • Clear communication with engineers, product managers, and designers
  • Enjoyment of working in a lean, fast-moving team with minimal hierarchy
  • Experience with observability (Prometheus, Grafana, Sentry)
  • Prior work in distributed systems or microservices
  • Experience with AI-assisted development workflows

Work Experience

2 - 5 years

Tasks

  • Apply statistical and analytical rigor to solve complex business problems
  • Identify patterns and trends in data to support strategic and operational decisions
  • Translate analytical findings into clear, actionable insights for stakeholders
  • Contribute to business dashboards to enhance transparency and metric understanding
  • Analyze existing machine learning structures to identify improvement opportunities
  • Define and create new training datasets based on observed data patterns
  • Support the continuous evolution of models through data-driven experimentation
  • Ensure datasets are representative, scalable, and aligned with business goals
  • Write high-integrity, maintainable code to retrieve, process, and analyze data
  • Examine, validate, and onboard new datasets into the platform
  • Contribute to a modern data platform using engineering best practices
  • Stay updated with modern technologies and data science methodologies
  • Implement mechanisms to measure and monitor the quality of data outputs
  • Validate assumptions, detect anomalies, and ensure consistency across analyses
  • Improve robustness and reliability of analytical pipelines and models
  • Promote reproducibility, documentation, and clarity in all analytical work

Tools & Technologies

TypeScriptNode.jsReactHexagonal ArchitectureNestJsInversifyExpress.jsAWS SQSAWS SNSSocketsPostgreSQLTypeORMAWS ECSAWS EKSDockerKubernetesTerraformGitHub ActionsCircleCIPrometheusGrafanaSentry

Languages

EnglishBusiness Fluent

Benefits

More Vacation Days

  • 27 days of paid leave
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of marta GmbH and processed the information on Nejo with the help of AI for you. Despite careful analysis, some information may be incomplete or inaccurate. Please always verify all details in the original posting! Content and copyrights of the original posting belong to the advertising company.
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