Senior Machine Learning Infrastructure Engineer, Fintech

Optasia
Athens
Workplace: RemoteFull timeFunction: DevOps, Cloud & InfrastructureExperience: 5+ yearsEducation: bachelorsSkills: ["Problem-solving","Attention to detail","Communication","Teamwork","Adaptive learning"]

Senior ML Infrastructure Engineer to build and evolve scalable, end-to-end ML pipelines for credit risk management in a large fintech/telecom data environment. You will design and develop microservices, Spark jobs, and Airflow pipelines, while ensuring code quality and performance across global real-time systems.

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Optasia
Optasia
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Senior Machine Learning Infrastructure Engineer, Fintech

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Last checked: 12 hours agoStatus: Live

Job Summary

Senior ML Infrastructure Engineer to build and evolve scalable, end-to-end ML pipelines for credit risk management in a large fintech/telecom data environment. You will design and develop microservices, Spark jobs, and Airflow pipelines, while ensuring code quality and performance across global real-time systems.
Location: Athens
Workplace: Remote
Employment Type: Full time
Job Function: DevOps, Cloud & Infrastructure
Seniority: Sr. Manager level

Key Responsibilities

  • •Build, maintain and optimize large-scale ML pipelines and Spark jobs (PySpark/Scala)
  • •Design and deliver scalable, real-time microservices for ML workflows used globally
  • •Develop and manage CI/CD pipelines (Jenkins) and automation scripts (Python/Bash)
  • •Develop and deploy scalable Airflow pipelines supporting the ML lifecycle
  • •Collaborate with Credit Risk team to deliver data-driven solutions and improve ML workflows

Pay and Benefits

Perks:Remote WorkHealth InsuranceAnnual Bonus

Key Requirements

  • •5+ years of industry experience with Machine Learning Engineering and MLOps
  • •Proficiency in Python and PySpark (or Scala, Java)
  • •Strong knowledge of the Hadoop ecosystem
  • •Proficiency in SQL
  • •Proficiency in Linux and end-to-end API development and deployment
Experience:5+ yearsFintechTelecommunicationsBig data
Education:Bachelor's
Skills:Problem-solvingAttention to detailCommunicationTeamworkAdaptive learning
Tech Stack:PythonPySparkScalaJavaHadoopSQLLinuxDockerAirflowJenkinsSpark

Company Brief

Optasia
Operates a digital health platform delivering online mental health and therapy services, connecting users with licensed therapists and providing tools for wellbeing, counselling, and remote treatment management to improve access to behavioral healthcare.
Industry: Mental Health
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