Job Description
Overview /n /n /n /n /n As a C# Lead Developer in the Core Trading Technology team, you will lead the analysis, design and development of applications in a Front Office trading environment. The software spans server-side systems and user interfaces. You will manage and mentor a team of developers while remaining hands-on in the technical direction of the platform. You will work closely with traders, quantitative researchers and technology teams to turn requirements into reliable, high-performing software covering almost all aspects of the trading environment./n /n /n /n /n The Sydney Core Trading Technology team owns a rich mix of proprietary software focused on highly available applications, including trading analysis tools, market and static data feeds, trade monitoring and real-time messaging, all used to support trading decisions./n /n /n /n Responsibilities /n /n /n Leadership and people/n /n /n
- Lead and manage a team of developers, setting priorities, allocating work and removing blockers. /n
- Mentor and coach junior and mid-level developers through code reviews, pairing, and career development. /n
- Contribute to hiring, onboarding, performance feedback and succession planning. /n
- Foster a high-performing, collaborative and accountable engineering culture. /n /n /n Technical delivery/n /n /n
- Own the analysis, design and development of business-critical applications, from requirements gathering through to production release and support. /n
- Set technical direction and architecture standards, and make sound design trade-offs across performance, resilience and maintainability. /n
- Establish and uphold engineering best practice, including code quality, testing, profiling, CI/CD and operational readiness. /n
- Remain hands-on where it matters: prototyping, tackling complex multi-threading and performance problems, and reviewing critical code. /n /n /n Stakeholders and improvement/n /n /n
- Partner with traders,



quants and senior technology stakeholders to understand needs, set expectations and communicate delivery status and risks. /n
- Drive continuous improvement of the team’s capability and applications through technology, automation and process. /n
- Stay curious about new technologies and assess where they can add value to the trading platform. /n /n /n /n /n What we’re looking for /n /n /n /n /n Essential qualifications and experience/n /n /n /n /n /n
- Bachelor’s degree (or higher) in a technical or related discipline. /n
- 10+ years of C# experience across server-side systems (with robust multi-threading) and client-side development. /n
- Proven experience leading or managing a development team, including mentoring junior engineers and developing talent. /n
- Deep knowledge of software design, object-oriented principles, profiling and performance tuning, multi-threading, and UI development on both client and server sides. /n
- Track record of delivering complex, business-critical systems through the full software development life cycle, ideally in an Agile environment. /n
- Strong interpersonal and communication skills, with the ability to engage traders, quantitative analysts, developers and senior management. /n
- Ability to meet deadlines and make sound decisions under pressure in a fast-paced environment. /n
- Excellent attention to detail and accuracy. /n /n /n /n /n /n Advantageous/n /n /n /n /n /n
- WPF experience. /n
- /n /n Experience running and deploying .
NET Core applications on Linux./n /n
- Experience with real-time applications, especially Tibco RV. /n
- Experience in a front-office trading or financial markets environment. /n /n /n /n /n /n What You’ll Bring to the Team/n /n /n /n /n /n
- A balance of hands-on technical credibility and people leadership. /n
- The ability to build trust with both engineers and business stakeholders. /n
- A commitment to raising the bar for the team’s skills, tooling and delivery practices. /n /n /n #LI-CC3 /n /n /n /n

📌 Lead C# Developer (Sydney)
🏢 Susquehanna International Group
📍 Sydney