.NET Developer

We’re seeking an experienced .NET Developer to develop and support the U.S. fast-growing global trading platform. This role bridges regulatory compliance and product development, helping ensure the platform meets U.S. brokerage regulations (FINRA, SEC, SIPC) while delivering a seamless user experience.

Details: 
Experience: 5+ years as 
Schedule: Full time, remote in Europe. Need to work with teams from USA and Canada sometimes. 
Start: ASAP
English: Fluent

Ukrainina: Native 
Employment: B2B Contract

What you’ll do:
Collaborate closely with product owners, business analysts, and cross-functional teams (Mobile, Web, QA) to translate requirements into the backend architecture.
Design and build high-performance, scalable backend services in C#/.NET for our real-time trading platform.
Integrate with relational (MS SQL Server), NoSQL (Redis) databases and message broker (Service Bus, Redis) for efficient data storage and retrieval.
Write automated unit and integration tests (xUnit or similar) and contribute to CI/CD pipelines for continuous delivery.

What we need from you:
5+ years of backend development experience with C#/.NET.
Strong proficiency in .NET, Entity Framework Core, and building RESTful APIs.
Solid experience with SQL (MS SQL Server) and NoSQL (e.g. Redis) databases.
Hands-on experience with SignalR and WebSockets, including implementing both server-side and client-side components for real-time data streaming.
Experience with message brokers like Azure Service Bus and Redis Streams, and familiarity with async communication patterns for high-reliability systems
Experience in development, deployment and support of Azure based applications. 
Knowledge of Secure Coding Practices (OWASP)
Strong test-driven development skills (xUnit or similar) and attention to code quality.
Deep understanding of trading or financial systems, including real-time data processing and distributed architectures.
Excellent communication skills and a collaborative mindset to work with diverse technical and business teams.

Nice to have:
Prior experience building US-regulated fintech or trading platforms, with exposure to SEC/CFTC rules and KYC/AML compliance.
Familiarity with Grafana, Angular, Azure DevOps, and modern CI/CD pipelines.
Experience using AI/ML tools or automation to enhance development workflows.
Agile mindset and ability to adapt quickly in a startup-like environment.