CareerPlanSign in

Senior Backend Engineer

London, UK💼 Full-time🗓 2026-02-11 → 2026-08-07

Core

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

Role type

Senior Backend Engineer

Builds

Scalable backend services and APIs for a fintech savings platform

Domain

Fintech / Personal Finance

Deliverable

production ML models | product features

Required skills

Software engineering, system design, root cause analysis, cross-functional collaboration, technical mentorship, agile process improvement

Preferred skills

Experience with both strongly and dynamically typed languages

Technologies

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

Responsibilities

Create and design modular, scalable, testable, and performant systems; identify root causes of system issues and determine resolutions; adapt to novel product development cycles; work across the whole software lifecycle

Seniority

Senior, hands-on IC

Sourced via adzuna · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.