Software Engineer, Backend / Distributed Systems

Wearehaystack — United Kingdom · Posted ~4 hours ago

Senior Full-time

Skills

C# Threading Memory management Concurrency Backend development High-availability distributed systems Messaging systems C++ Solace Kafka RabbitMQ Distributed systems

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Summary ✨ AI‑Generated

Build next-generation backend services used by business users in a global environment. You will modernize legacy services, analyze existing systems, discover requirements, and own sub-projects while applying advanced C# knowledge, concurrency techniques, high-availability distributed-system patterns, and messaging technologies.

Highlights

Opportunity to build strategic global services, modernize legacy systems, engage directly with business users, and own meaningful backend sub-projects. Strong focus on C#, concurrency, distributed systems, and high availability.

Description

We're hiring on behalf of a Haystack partner! The Role • Develop new global services used directly by business users, forming a key part of strategic transformation. • Replace existing C++ services with next-generation technology and modern practices. • Analyze existing systems and conduct requirement discovery for new service delivery. • Gain exposure to linear products and direct business engagement. • Take ownership of sub-projects including permissions management, controls for marking and spreading, and delegation of controls. • Support UI interaction for pricing through a Pricing Service (Backend For Frontend), including bond curve configuration and pricing blotter support. What You'll Need • Mastery of C# including threading, memory management, and concurrency. • Experience with high-availability distributed systems (active-active, hot-hot, zero-downtime). • Messaging experience with systems like Solace, Kafka, or RabbitMQ. • Strong backend development experience with awareness of UI interaction for BFF. • Experience with real-time data/streaming and API design. • Ability to analyze legacy C++ systems and financial domain knowledge (Fixed Income, bond curves, capital markets) is desirable. What's On Offer • Competitive salary • Opportunity to work on a critical strategic project with modern technologies. • Direct engagement with business stakeholders and full ownership of testing and support. • Collaboration within a distributed team environment. Apply via Haystack today!