About this role
Overview
About the Role
We are hiring a Senior Staff Software Engineer to join the API & Middleware Group, a central platform team responsible for building scalable APIs, middleware services, and event-driven systems used across the organization.
This role focuses on designing and operating high-performance, low-latency services that run under significant load and strict reliability requirements. You will work on distributed, data-intensive systems that enable system-to-system integration and platform-level capabilities.
This role is ideal for an experienced .NET engineer who thrives on ownership, stays up to date with the newest .NET technologies, and brings deep expertise to high-load, low-latency systems.
You will collaborate closely with experienced engineers, tech leads, and QA partners, contributing to architecture, implementation, and operational excellence.
Responsibilities
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Primary Duties will include
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Design and develop low-latency solutions using the latest .NET technologies; build performant, scalable backend services from scratch or improve existing ones
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Write well-designed, testable, and efficient code; ensure designs are in compliance with specifications
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Tackle live production challenges, including troubleshooting and performance issues
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Do proof of concepts to test out various ideas and technologies
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Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
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Mentor and support engineers with technical direction and best practices
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Participate in code reviews (PRs), design sessions, and agile ceremonies; contribute as a strong team player
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Work closely with team leads, stakeholders, and other teams across the company
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Continuously explore and evaluate new technologies that could enhance the platform
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Tech Stack You’ll Work With
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Languages & Frameworks: C#, .NET Core, ASP.NET Core
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Architecture: Microservices, event-driven systems (Kafka, Redpanda), CQRS
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Cloud & Infrastructure: Azure, Kubernetes, Docker, Rancher, TeamCity, Octopus, Grafana
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Databases: MS SQL Server (T-SQL), NoSQL, PostgreSQL
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Tooling: GitHub, Visual Studio, VS Code, Rider, ReSharper
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AI & Developer Tools: MS Copilot, GitHub Copilot, Claude
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Primary Duties will include
-
Design and develop low-latency solutions using the latest .NET technologies; build performant, scalable backend services from scratch or improve existing ones
-
Write well-designed, testable, and efficient code; ensure designs are in compliance with specifications
-
Tackle live production challenges, including troubleshooting and performance issues
-
Do proof of concepts to test out various ideas and technologies
-
Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
-
Mentor and support engineers with technical direction and best practices
-
Participate in code reviews (PRs), design sessions, and agile ceremonies; contribute as a strong team player
-
Work closely with team leads, stakeholders, and other teams across the company
-
Continuously explore and evaluate new technologies that could enhance the platform
Qualifications
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What We’re Looking For
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Minimum 5+ years’ experience building global enterprise-level systems
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Knowledge of financial markets or a strong desire to learn
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Proven hands-on experience designing and developing enterprise applications using C# / .NET Core / .NET 8 or higher
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Solid grasp of .NET Core APIs, high-load systems, multithreading, and performance tuning
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Experience developing distributed systems using microservice architecture (event-based)
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Experience with messaging systems like Redpanda and Kafka
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Hands-on experience with Kubernetes and containerization (Docker); experience working on cloud platforms (Azure preferred)
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Excellent knowledge of relational databases (SQL) and NoSQL databases
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Strong communication skills and the ability to collaborate across teams
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A growth mindset and eagerness to stay current with industry trends
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Education
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BS/MS degree in Computer Science, Engineering, or a related subject
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What We Offer
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Work on mission-critical systems used globally
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Ownership, and room to grow technically and personally
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A strong, collaborative engineering culture with talented peers
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Hybrid work flexibility
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Support for continued technical and professional development