Trading Systems Developer C# Job at Susquehanna International Group (Sydney)

Trading Systems Developer

Susquehanna is looking for a C# Developer in Futures & Options team. In this rol...

Location

China , Hong Kong

Salary:

Not provided

Susquehanna International Group

Expiration Date

Until further notice

Requirements

A bachelor’s degree (or higher) in a technical or related discipline
A track record / knowledge / interest in trading, risk, quantitative or trading systems development is critical
Exceptional C# development skills with extensive knowledge of design, profiling, OO, multi-threading, and performance with a specific focus on back-end development
Experience in Microservices and Cloud Technologies (Preferably Azure Service Fabric, Microsoft Orleans, Envoy Proxy, gRPC, Protobuf, React JS, Docker, Kubernetes, Octopus Deploy and ELK Stack)
A knowledge of, or experience in trading, derivatives, risk, pricing, and Greeks will be highly regarded

Job Responsibility

Involved in the analysis, design, and development of business-critical trading systems
Designing and developing business critical systems and taking projects through the entire software development cycle from requirements gathering to production release
Collaborating with Technologists, Traders, and Quantitative Analysts to achieve optimal outcomes

What we offer

Private healthcare and wellness initiatives
Daily office lunch allowance
Employee Assistance and Education Assistance Programs
Matched donations and corporate discounts

C# Developer - Equity Derivatives Technology Risk (AVP)

Location

United Kingdom , London

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Strong C# knowledge in addition to exposure to both .Net Framework 4.5.2+ and .Net 5+
Understanding of .Net performance analysis and optimization approaches
Write comprehensive unit tests utilizing frameworks like NUnit, xUnit, Shouldly, or equivalents
Familiarity with web technologies OpenAI/Swagger, REST, Authentication, TLS
Demonstrable experience or familiarity with high volume, low latency, highly available financial systems, trading platforms, or financial data processing
Broad technical experience with exposure to different languages such as Python, Java, Bash as well as operating systems such as Linux
Experience with version control & CI/CD tools such as Git & GitLab/GitHub
Understanding of one or more messaging technology such Kafka, RabbitMQ, Solace etc.
Clear understanding various design patterns and leveraging the same to solve complex technical problems
Conduct performance testing and profiling to ensure application robustness and scalability suited for high-volume financial data processing

What we offer

27 days annual leave (plus bank holidays)
A discretional annual performance related bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Access to an array of learning and development resources

Fulltime

C# Developer - Equity Derivatives Technology Risk (AVP)

Engineer the future of global finance. At Citi, our Tech team doesn’t just suppo...

Location

United Kingdom , London

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Strong C# knowledge in addition to exposure to both .Net Framework 4.5.2+ and .Net 5+
Understanding of .Net performance analysis and optimization approaches
Write comprehensive unit tests utilizing frameworks like NUnit, xUnit, Shouldly, or equivalents
Familiarity with web technologies OpenAI/Swagger, REST, Authentication, TLS
Demonstrable experience or familiarity with high volume, low latency, highly available financial systems, trading platforms, or financial data processing
Broad technical experience with exposure to different languages such as Python, Java, Bash as well as operating systems such as Linux
Experience with version control & CI/CD tools such as Git & GitLab/GitHub
Understanding of one or more messaging technology such Kafka, RabbitMQ, Solace etc
Clear understanding various design patterns and leveraging the same to solve complex technical problems
Conduct performance testing and profiling to ensure application robustness and scalability suited for high-volume financial data processing

Job Responsibility

Collaborate closely with high‑calibre engineers and deeply engaged business and product partners
Define and deliver the next generation of Equities technology at Citi

What we offer

27 days annual leave (plus bank holidays)
A discretional annual performance related bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Access to an array of learning and development resources

Software Developer - C++

Our Client is looking for a knowledgeable C++ Developer to work under the genera...

Location

United States , Greenwich

Salary:

200000.00 - 220000.00 USD / Year

Solomon Page

Expiration Date

Until further notice

Requirements

Bachelor’s in Computer Science, Mathematics, Physics or similar (masters/PhD a plus)
Experience of at least 2 years in software development in C++, Object Oriented Programming, Networking, STL at educational and/or professional level
In-depth understanding of OOP, design patterns, data structures, algorithms, and concurrency
Proficiency in Linux / UNIX / shell scripting
Knowledge developing and debugging in C/C++

Job Responsibility

The Brokerage System Development Team that is responsible for providing trading and related backend systems used in brokerage business
Design, implement and deliver high quality software solutions that conform to architectural standards
Manage and 'own' significant development tasks end-to-end (from business requirements analysis to 3rd level production support)
Demonstrate excellent collaboration / communication skills in working closely with other development teams to roll-out important changes and applications

Fulltime

Foreign Exchange Velocity Senior C# Developer

Citi’s FX technology group supports the front office technology operations of on...

Location

United States , New York

Salary:

142320.00 - 213480.00 USD / Year

Citi

Expiration Date

June 29, 2026

Requirements

5-7 years of relevant experience in C# and .NET
Expertise in prompting of LLMs and getting the most from AI models
Excellent understanding of C#, .NET and Windows internals
Experience in production application support and development
Stakeholder and people management experience
Demonstrated leadership skills
Knowledge of industry practices and standards
Clear and concise written and verbal communication
core C# language and .NET runtime
knowledge of WPF and TypeScript is a plus

Job Responsibility

Utilize in-depth knowledge and skills across multiple Applications Development areas to provide technical oversight across systems and applications
Review and analyze proposed technical solutions for projects
Coordinate with QA team
Liaison with the global business, support and development teams
Troubleshoot performance and scalability issues
Third line support of the platform during trading hours
Interact closely with the business product manager and other internal business users covering FX trading
Develop comprehensive knowledge of how areas of business integrate to accomplish business goals
Provide evaluative judgment based on analysis of factual data in complicated and unique situations
Ensure essential procedures are followed and contribute to defining standards negotiating with external parties when necessary

What we offer

medical, dental & vision coverage
401(k)
life, accident, and disability insurance
wellness programs
paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays
discretionary and formulaic incentive and retention awards

Fulltime

!

Quant Prime Brokerage Services C++ Developer

Join us a C++ developer for designing and developing ultra-low-latency end-to-en...

Location

Japan , Tokyo

Salary:

Not provided

Barclays

Expiration Date

Until further notice

Requirements

Excellent 5+ years of experience with expertise in C++
Conversant with Modern C++ topics and features
Expert in data structures, algorithms, multi-threading, and C++ standard library
C++ performance and low latency understanding to make latency reduction on the critical path of flow
Good working experience of Linux/Unix operating system and Linux commands
Working experience, collaboration in the regional and global team structure

Job Responsibility

Design and develop ultra-low-latency end-to-end Direct Market Access (DMA) trading platform
Build out the functionality and technology of the SubM, SUBM-R, SubM Native systems
Develop Cash Connectivity Platform for our Equities Cash Business
Help with the design and development of industry-leading, ultra-low-latency Equities trading systems
Take up the full responsibility and drive multiple deliveries at a time
Work closely with existing leads to review current platform architecture and propose and implement changes geared towards performance improvements, simplification, and technical debt reduction
Be the GoTo person for Business/ Desk and provide estimates for tasks including design, development, and testing
Provide holistic simulation and testing of the trading system for high reliability
Support analysis, testing, and operations teams
Participate in code reviews and architectural decisions

What we offer

Competitive holiday allowance
Life assurance
Private medical care
Pension contribution
Wellness rooms
Gyms
Mental health support
Modern workspaces
Collaborative areas
State-of-the-art meeting rooms

Fulltime

C# Developer

We are seeking an Intern Developer with strong communication skills and a keen i...

Location

United Kingdom , London

Salary:

Not provided

Crédit Agricole

Expiration Date

Until further notice

Requirements

Graduated within the past 18 months with a 2:1 or equivalent
Experience or knowledge in IT project management involving system changes, testing, and support
Excellent written and verbal communication skills
Ability to work effectively in a team and under pressure
Strong experience in coding with C# and some proficiency in SQL

Job Responsibility

Manage incremental and BAU project deliveries on key systems such as Barracuda, Sigma, Orchestrade, and Murex
Develop features for various front-office systems focusing on foreign exchange trading
Collaborate with front office users to understand their needs and enhance system functionalities
Participate in the full project lifecycle from implementation to testing and support of system changes
Work within an agile project delivery framework, contributing to cross-team implementation and testing efforts

Senior C++ Developer

As a Software Engineer, you will be responsible for setting architectural direct...

Location

China , Shanghai

Salary:

Not provided

Optiver

Expiration Date

Until further notice

Requirements

At least 5 years’ work experience as a Software Engineer
Experience with large scale server side development, and high-throughput, low-latency system optimisations
Experience with making architectural recommendations on IT solutions, design & approach
Technologists who are passionate about software and not only like to learn about it at work, but also like to get involved in their own projects at home
Natural problem solvers who love nothing more than tackling a complex technical challenge
Team players who love working with like-minded peers and are always looking to learn and improve

Job Responsibility

Own the design, development and deployment of services that comprise our globally distributed trading platform
Build partnerships across the business to ensure we’re feeding the best ideas into our solutions
Build automated trading stack that runs machine learning models over high-performance servers to execute high-quality trades in low-latency
Continuously improve our trading systems and strategies to optimize for the ever-evolving markets

What we offer

Competitive salary package
Access to a plethora of Optiver-perks
Very flat structure
Highly empowered to deliver significant changes
Collaborative and innovative working environment

Select Country

Trading Systems Developer C#

Job Description

Job Responsibility

Requirements

Nice to have

What we offer

Looking for more opportunities?

Trading Systems Developer C#

Trading Systems Developer

C# Developer - Equity Derivatives Technology Risk (AVP)

C# Developer - Equity Derivatives Technology Risk (AVP)

Software Developer - C++

Foreign Exchange Velocity Senior C# Developer

Quant Prime Brokerage Services C++ Developer

C# Developer

Senior C++ Developer

Our AI answers in your language