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Senior Fullstack Engineer, Scale

UK - London💼 Full-time💰 $74,822–$74,822🗓 2026-04-15 → 2026-09-26

Core

Build and maintain multi-tenant infrastructure for an embedded finance platform serving global businesses, while designing integrations for enterprise prospects.

Role type

Senior Fullstack Engineer (Scale)

Builds

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

Domain

Fintech, Payments, Embedded Finance

Deliverable

production ML models | product features | infrastructure

Required skills

ReactJS, TypeScript, System/Component Design, Cross-functional Collaboration, Scalability Design, Pragmatic Decision Making

Preferred skills

Fintech/Payments experience, High-scale performance tuning, Multi-tenant SaaS architecture, PostgreSQL, Redis, Kafka, Cloud platforms (AWS/GCP/Azure), OAuth2.0, API Design

Technologies

ReactJS, TypeScript, PostgreSQL, Redis, Kafka, AWS, GCP, Azure

Responsibilities

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

Seniority

Senior, hands-on IC

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