Machine Learning Engineer Job at Kora – Payments & Fintech Infrastructure

Kora
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Job Type Full-time
Experience Senior
Location Nigeria
Category Artificial Intelligence (AI) and Data Science
Remote Job Remote

Job Description

As part of our ML team, you will design, build, and deploy models that directly impact merchant-facing intelligence. This includes forecasting, anomaly detection, segmentation, automation, and product-layer ML.

You’ll work with high ownership, building practical systems that matter in real-world payments, a context most ML engineers rarely experience.

What You’ll Work On

  • Design and ship per-merchant payment volume forecasting systems (time-series decomposition, Africa-specific event calendars, quantile regression).

  • Build and maintain fraud/anomaly detection across the payment stack with tiered alerting logic.

  • Own dynamic merchant segmentation systems (rule-based + data-driven hybrid).

  • Instrument and monitor deployed models (drift detection, retraining triggers, evaluation pipelines via Vertex AI).

  • Build automation tooling alongside ML pipelines (Airflow DAGs, pipeline scaffolding).

  • Contribute to product and strategic decision-making.

Our Tech Stack

  • Apache Spark & Airflow

  • Google Vertex AI

  • Python

  • SQL

  • GCS / BigQuery

Requirements

  • 3+ years as an ML engineer in production environments.

  • Strong Python skills and comfort with Spark for large-scale data processing.

  • Experience with time-series modeling (forecasting, anomaly detection).

  • Solid grasp of the ML lifecycle.

  • Ability to design for batch infrastructure.

  • High ownership mentality and proactive problem-solving.

  • Ability to identify gaps in data-driven business processes.

Strong Plus:

  • Familiarity with Vertex AI (custom training jobs, pipelines, monitoring).

  • Experience in payments, fintech, or domains with real-world operational constraints.

  • Exposure to African market dynamics.

  • Experience with automation/workflow tooling (e.g., n8n).

What We Value in ML Engineers

  • Clear reasoning behind design decisions.

  • Systems that are maintainable and understandable.

  • Honesty about model limitations in production.

  • Closing the loop between model outputs and business outcomes.

Benefits

  • Health insurance

  • Sponsored and tailored training

  • Paid parental leave & time-off

  • Flexible work style

  • Low-interest loans

  • Group Life Insurance

  • Up to four therapy sessions monthly

  • Birthday day-off 🎂 🎉

  • Employee interest groups & supportive communities

  • Collaborative company culture

Equal Opportunity Employer

Kora is committed to diversity and inclusion. Employment decisions are based on qualifications, experience, and business needs. We strongly encourage applications from underrepresented communities.

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