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Job

💼 Full-time💰 $30,000–$50,000🗓 2026-09-23

Core

Design and build modular, scalable, testable, and performant backend systems for a smart saving and investing app serving millions of users across Europe.

Role type

Senior Backend Engineer (Kotlin/Python)

Builds

Scalable backend services and APIs for financial automation products

Domain

Fintech / Personal Finance

Deliverable

production ML models | product features

Required skills

Kotlin, Python, Spring Boot, FastAPI, Postgres, BigQuery, GCP, Kubernetes, Docker, Terraform, RabbitMQ, system design, root cause analysis, mentoring, cross-functional collaboration

Preferred skills

Pragmatism, continuous improvement, strong planning and prioritization

Technologies

Kotlin, Spring Boot, Python, FastAPI, Postgres, BigQuery, GCP, Kubernetes, Docker, Terraform, RabbitMQ, Grafana, Prometheus, Datadog

Responsibilities

Design and create modular, scalable, testable, and performant systems; identify root causes of system issues and determine resolutions; adapt to new product iterations; work across the whole software lifecycle; mentor junior team members

Seniority

Senior, hands-on IC

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