Software Engineer, Scale

London, England, UK💼 Full-time💰 $60,000–$105,000🗓 2026-06-18 → 2026-08-01

Core

Build and maintain multi-tenant infrastructure and cross-domain product features for a global unified payments and financial platform serving 250,000+ businesses.

Role type

Senior Software Engineer (Scale)

Builds

Multi-tenant infrastructure, cross-domain product features (tax, compliance, monetization), and enterprise integrations

Domain

Fintech / Global Payments / Embedded Finance

Deliverable

production ML models | product features | infrastructure

Required skills

Java, Spring Boot, system abstraction, performance optimization, cross-functional collaboration, scalable architecture design, multi-team leadership

Preferred skills

Fintech/payments experience, high-scale performance tuning (100k+ QPS), multi-tenant SaaS architecture, PostgreSQL, Redis, Kafka, AWS/GCP/Azure, OAuth2.0, API design, cross-region deployment

Technologies

Java, Spring Boot, PostgreSQL, Redis, Kafka, AWS, GCP, Azure, OAuth2.0

Responsibilities

Architect systems aggregating requests from platform customers meeting enterprise-grade SLAs; own features synthesizing business, regulatory, and technical knowledge; design integrations for enterprise prospects translating business requirements into technical solutions

Seniority

Senior, hands-on IC with leadership experience

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