Description de posteTech Talent International (SI) supplies technical talent to a variety of clients ranging from Fortune 100/500/1000 companies to small and mid-sized organizations in Canada/US and Europe. We currently have a role as a Senior C# Developer - Financial Services with our large consulting client on a long term project with a major financial services client in the downtown Montreal area. Role: Senior C# Developer - Financial Services Type: Fulltime, Perm Location: Downtown Montreal, QC - Hybrid (roles starts off 5 days in office for 1st 3 months, then turns into hybrid setup 3 days onsite, 2 days from home) Salary: $110,000 - $120, 000 + up to 9% performance bonus + 4-5 weeks paid vacation + RRSP contribution + benefits + sick/personal days Contract option: Tis role is also available as a long term contract role, pay rate on corp to corp basis would be $80-100/hr Position Overview Service Details Orchestrade is a 3rd party application that our client extends to suit its own needs via a plugin architecture. As such the decision of whether to upgrade components (.NET for example) and its timing is driven by the vendor. The daily mission include: Coding Testing Refactoring and optimizing existing components Performing code reviews Participating in cross-dev teams tasks (release management, regression checker, others) Requirements Demonstrated expert-level skill in C# and Visual Studio environment. Significant professional experience as a back-end/server-side developer and/or working on standalone desktop applications. This role is not suited for candidates with primary experience in web development, GUI, front-end design, or those seeking a "full-stack" position. Strong abilities in multithreaded programming, data structures, algorithms, SQL, robust code design, and application optimization. Experience with Git source control is highly desirable. Proven experience in identifying, detecting, and refactoring underperforming code to improve application efficiency and performance. Familiarity with TDD and BDD concepts and a willingness to apply these methodologies to both new and existing codebases. In-depth understanding of theoretical and practical programming concepts, demonstrating curiosity about the internal mechanisms of APIs and architectural choices (e.g., understandinghowa .NET API works internally, not justwhento use it). Prior experience in finance, trading, or domain-specific knowledge of asset classes (rates, FX, fixed income, structured products) is beneficial but not mandatory. Technology Stack Exposure (not limited to): SQL Server, gRPC, nHibernate, WinForms, WCF, REST API, Swagger etc. Must be fluent in English with excellent verbal and written communication skills. Ability to work independently while fostering a collaborative environment, willing to mentor others and maintain a positive, non-arrogant professional demeanor.