Senior C# Engineer - Accounting Technology - Consultant Position
Listed on 2026-05-18
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Software Development
Backend Developer, Cloud Engineer - Software, Software Engineer, C# / Unity Developer
NO C2C , NO 3rd Party , NO Visa Sponsorship - W2 only
Our client needs a senior, hands‑on C# engineer (7+ years) to take ownership of critical post‑trade / back‑office accounting systems in a high‑volume, distributed environment.
The successful contractor will be very strong in modern .NET (C#, .NET Core), multithreading, and event‑driven architectures, with experience building enterprise‑grade, service‑oriented systems. Exposure to financial markets and the post‑trade lifecycle is important, as the systems sit at the heart of trade reporting and accounting.
Technically, they are looking for engineers comfortable with Kafka/Solace, SQL/Postgres/Snowflake, Redis, and cloud platforms (AWS preferred), ideally with serverless and Dev Ops exposure. This is a fast‑paced, ownership‑heavy role balancing second‑line support with ongoing development, working closely with global teams across the UK, US, and Hong Kong.
WHAT YOU'LL DO- Innovate and Enhance: Design and improve multithreaded, 3-tier back-office systems.
- Decision Making: Make independent decisions while effectively mitigating risks.
- Ownership Mentality: Take full ownership of all aspects of our trade accounting systems.
- Fast-Paced Environment: Thrive in a fast‑paced setting, balancing second‑line support with strategic development responsibilities.
- Global
Collaboration:
Work closely with engineers in the UK, US, and Hong Kong to deliver robust solutions.
- Experience: 7+ years of hands‑on experience in a formal enterprise-level development environment, particularly with C#.
- Technical
Skills:
- Strong expertise in C#, .NET Core, multi-threaded programming, and object-oriented design.
- Proven experience in building connected, service-oriented applications.
- Familiarity with enterprise messaging systems (Kafka/Solace).
- Experience with Database Systems (Microsoft SQL/Postgres/Snowflake).
- Experience with Cloud technologies (AWS, Azure, etc).
- Experience with distributed caching like Redis.
- Experience with Event Driven architecture.
- Communication: Excellent verbal and written communication skills, with the ability to explain complex ideas clearly to various audiences.
- Dev Ops Knowledge: Experience with JIRA, Git, Jenkins, and Octopus Deploy.
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