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Lead Software Engineer – C# / .NET

Open 26d

Summary

Lead a small team to design, build, and modernize high-volume distributed systems in C#/.NET, with a future migration path to Rust.

About the Role

We are looking for an experienced Lead Software Engineer with strong expertise in C#/.NET to take technical ownership of high-volume, distributed systems supporting critical processes.

This is a hands-on leadership role combining software architecture and development with technical guidance and mentoring of a small engineering team. You will work closely with global technology and operations teams to expand and modernize the platform, while contributing to its ongoing evolution towards Rust.

Responsibilities

  • Design and develop scalable, reliable, and high-performance distributed systems using C#/.NET.

  • Remain hands-on with software development, technical design, and code reviews.

  • Contribute to the modernization of the platform and migration from C#/.NET to Rust.

  • Support the integration of new products and capabilities into the platform.

  • Define technical standards, architecture principles, and development best practices.

  • Leverage AI-assisted development tools to improve engineering productivity and delivery.

  • Mentor engineers and provide technical guidance to a small team.

  • Translate business requirements into effective technical solutions.

  • Drive technical roadmaps, balancing short-term delivery with long-term platform scalability and reliability.

Requirements

  • 5+ years of professional software engineering experience with proven technical leadership.

  • Strong expertise in C#/.NET and distributed, service-oriented architectures.

  • Good understanding of concurrent and high-performance programming.

  • Experience designing scalable, resilient, and high-volume systems.

  • Willingness and openness to working with Rust as part of the platform's ongoing technology evolution.

  • Experience with AI-assisted software development and modern engineering practices.

  • Knowledge of DevOps practices and tools such as Git, Jenkins, JIRA, or similar.

  • Strong communication and stakeholder management skills.

  • Experience mentoring developers or providing technical leadership.

Nice to Have

  • Previous experience with Rust.

  • Knowledge of AWS, Kafka, serverless, or cloud-native architectures.

  • Experience with React or Angular.

  • Familiarity with event-driven architectures.

  • Experience in financial markets

See also

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