Backend Engineer - Capital Markets SaaS
EC1 Partners · London, United Kingdom ·
- Category
- Backend
A backend engineer builds scalable services and APIs for a capital markets SaaS platform used by financial institutions to manage trading, post-trade, and operational workflows. Core stack is JVM-based (Java/Kotlin), with focus on production-grade, high-availability distributed systems in London.
Role Overview
This role focuses on building backend services for a capital markets SaaS platform used by financial institutions to manage trading, post-trade, and operational workflows. You’ll work on scalable, production-grade systems that sit at the core of institutional market infrastructure.
Key Responsibilities
Design and develop backend services and APIs
Support scalable, high-availability systems
Collaborate with product and frontend teams
Improve system performance and resilience
Contribute to technical design discussions
Required Experience
Backend engineering experience (Java, Kotlin, or similar)
Financial services or capital markets exposure
API and database design experience
Experience working on production systems
Understanding of distributed systems
Nice to Have
Post-trade or middle-office system exposure
Cloud-native development experience
Microservices architecture
Why Join
Core capital markets technology
Product-led engineering environment
Strong long‑term platform roadmap