IT Software Engineering - Senior C++ Software Engineer – Trading & Supply
Role: IT Software Engineering - Senior C++
Software Engineer – Trading & Supply
Location: London – 5 days onsite
Start Date: July 2026
End Date: 6 months
Daily Rate: Inside IR35
Payroll
provider: Rockford
Payroll Info for
Contingent Workers – Rockford Pay
This is an exciting opportunity to join Deloitte
Operations for an engagement with one of our clients.
Role Summary
As a Senior
C++ Engineer, you will be a member of a small, high performing team responsible
for global derivatives algorithmic trading platform. Working closely with
technologists, quants and traders to develop our in-house trading technology
and optimise it to achieve market-leading performance and reliability.
Our
proprietary trading platform includes everything from venue connectivity (feed
handlers and ordering gateways) to trading engines to shared platforms that
enable us to work quickly and efficiently - we are proud of our open and
collaborative culture, so you'll have plenty of opportunity to find what fits
you best.
Required
Industry Knowledge:
•
Understanding of major global futures exchanges and their native protocols
• Knowledge
of full exchange-traded derivatives trade lifecycle
• Minimum of
8 years' experience in Trading & Capital Markets / Investment Banks
The main
activities include:
• Write
software that communicates with exchanges through their APIs, receiving market
data and sending orders over the network in different protocols, such as FIX,
WebSocket or HTTP requests
• Ensure
quality of software based on a set of testing suites, which you are expected to
use, maintain and extend
• Optimize
exchange communication through kernel bypass, optimizing TLS or the connection
handling to an exchange
• Research
exchange behaviour in detail to align our behaviour to that of an exchange
• Implement
these solutions using the provided exchange SDKs in different languages such as
C++, Rust, Python, Typescript
Trading
Strategies
• Implement
trading algorithms based on requirements provided by traders and quants
• Acquire and
develop the necessary trading knowledge to successfully translate the
requirements into actual software implementation
•
Continuously improve the stability, reliability, and performance of the trading
engine
• Enhance
monitoring and observability in collaboration with the Trading Operations team
• Investigate
and resolve production issues such as crashes, unexpected business logic
behaviour, and performance bottlenecks
• Prepare for
releases and deployments of new trading engine versions
Key Skills
and Experience required
• 5+ years
post-graduation professional C++ software development experience within the
financial industry
• Solid
understanding of parallel, asynchronous, and multithreaded programming to build
distributed systems
• Good
knowledge of algorithms and data structures
• Strong
analytical and problem-solving skills, with the ability to analyse complex data
sets and propose innovative solutions.
•
Understanding of trading lifecycle, including order capture & execution,
allocation workflow, settlement, and compliance requirements
• Must have
strong technical skills in scripting, Python, PowerShell, C#, SQL or other
programming languages
• Solid track
record in application deployment best practices
• Proactive
system monitoring and troubleshooting, owning reliability improvements and
ensuring their successful delivery
Soft Skills:
• Excellent
communication skills to interact with traders, developers, and stakeholders.
• Thrives in
high-pressure situations while working alongside traders, developers and other
engineering teams
• Proactive,
self-motivated, and flexible with a positive attitude
• Ability to
work under demanding deadlines with changing priorities in a trading room
environment
• Ambition to
solve open-ended problems using analytical methods