Senior C# Developer

Reposted Yesterday
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Hiring Remotely in Pankrác, Česká Lípa, Liberecký
Remote
7-7 Annually
Senior level
Financial Services
The Role
The Senior C# Developer will maintain and modernize trading GUIs, develop backend components, troubleshoot issues, and mentor team members.
Summary Generated by Built In
Empowering Africa’s tomorrow, together…one story at a time.

With over 100 years of rich history and strongly positioned as a local bank with regional and international expertise, a career with our family offers the opportunity to be part of this exciting growth journey, to reset our future and shape our destiny as a proudly African group.

My Career Development Portal: Wherever you are in your career, we are here for you. Design your future. Discover leading-edge guidance, tools and support to unlock your potential. You are Absa. You are possibility.

Job Summary

We are hiring a Senior C# Developer to join our Electronic Trading technology team. This role
focuses on maintaining and modernizing our trading GUIs and backend components, ensuring high
performance, stability, and excellent user experience for our Markets business.
The successful candidate will work on real-time, event-driven applications and contribute to the
evolution of our trading platform, including UI modernization initiatives.

Job Description

  • Maintain and enhance C#/WPF trading GUIs, ensuring performance and responsiveness.

  • Lead UI modernization efforts, including migration to modern frameworks such as Avalonia.

  • Develop and optimize multithreaded, asynchronous C# backend components.

  • Troubleshoot production issues and ensure stability of mission-critical systems.

  • Collaborate with cross-functional teams including trading, QA, infrastructure, and platform

  • engineering.

  • Contribute to architecture discussions, code reviews, and engineering best practices.

  • Mentor team members where appropriate.

Required Experience.

  • 7+ years of professional experience in C#/.NET development.

  • Strong knowledge of WPF, MVVM, data binding, and UI performance tuning.

  • Deep understanding of multithreading, concurrency, and asynchronous programming.

  • Experience with high-performance or real-time systems.

  • Backend development experience including REST APIs, messaging (Solace/Kafka), and

  • databases.

  • Strong analytical and debugging skills.

Preferred Qualifications

• Experience with Avalonia, MAUI, Uno, or modern cross-platform UI frameworks.

• Background in electronic trading or financial technology.

• Knowledge of FIX protocol, OMS/EMS, or trading workflows.

• Experience with memory optimization, GC tuning, and UI thread performance.

Soft Skills

• High sense of ownership and accountability.

• Strong communication skills with both business and technical teams.

• Proactive problem-solving approach and focus on system quality.

• Ability to mentor junior developers and influence technical direction.

Why Join Us

• Work on mission-critical trading systems with real business impact.

• Be part of the modernization of our trading UI platform.

• Strong engineering culture and collaborative environment.

• Opportunities for technical leadership and innovation.

Education

Bachelor's Degree: Information Technology

Top Skills

.Net
Avalonia
C#
Databases
Kafka
Maui
Mvvm
Rest Apis
Solace
Uno
Wpf
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The Company
HQ: Johannesburg
39,055 Employees
Year Founded: 2018

What We Do

Absa Group Limited (Absa) has forged a new way of getting things done, driven by bravery and passion, with the readiness to realise growth on the African continent and beyond.

We’re a truly African brand, inspired by the people we serve in Botswana, Ghana, Kenya, Mauritius, Mozambique, Seychelles, South Africa, Tanzania, Uganda, and Zambia. We also have representative offices in China, Namibia, Nigeria and the United States, as well as securities entities in the United Kingdom and the United States, along with technology support colleagues in the Czech Republic.

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