Senior .NET /C # Developer

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• Seeking a 10 year +C#/.NET Developer /Engineer to do code hands on backend development, API integration, SQL/database experience, messaging, and the ability to build reliable enterprise software.
• The Developer will help build and enhance custom software that connects internal business applications to Geneva through APIs and integration layers.
• Refactoring and re-architecting existing systems, API development, data movement, integration design, rigorous testing, and validation.
• There is some Front-end development in Angular. While being an expert is not required - it would be great at least one of the two candidates have Angular.
• Detail-oriented engineers with strong technical judgment, ownership mindset, and the ability to work independently without heavy supervision.

Key Requirements

• 10+ years of hands-on software engineering experience, building enterprise applications using C#/.NET
• Strong backend C#/.NET development experience
• Strong experience with API integration, including vendor APIs, internal integration layers, REST/web services, or similar patterns
• Ability to think through data movement, request/response workflows, latency, reliability, and integration performance
• Strong SQL/database experience
• Experience with MQ / messaging technologies or asynchronous integration patterns
• Outstanding hands on coding, debugging, and analytical skills
• Experience refactoring and re-architecting existing applications
• Experience with source/version control systems such as Git
• Familiarity with software development best practices, testing methodologies, validation, and production-quality code
• Ability to work independently while collaborating effectively within a small team
• Strong technical judgment, including knowing when to make decisions independently and when to escalate larger design decisions
• Strong communication skills.
• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related discipline

Preferred / Plus Skills

• Experience with Angular or similar modern frontend frameworks
• Experience with JavaScript / TypeScript (obviously if they have Angular this will be fine
• Experience with Geneva or Advent Geneva
• Experience with AWS or other cloud platforms
• Experience in middle office, back office, investment operations, portfolio accounting, trade processing, reconciliations, or financial services technology
• Working knowledge of AI-assisted development tooling, with the ability to review, validate, and explain AI-generated code
• Willingness and flexibility to support occasional off-hours work as needed Ideal Candidate Profile

Estimated Min Rate: $90.00 Estimated Max Rate: $100.00 What’s In It for You? We welcome you to be a part of the largest and legendary global staffing companies to meet your career aspirations. Yoh’s network of client companies has been employing professionals like you for over 65 years in the U.S., UK and Canada. Join Yoh’s extensive talent community that will provide you with access to Yoh’s vast network of opportunities and gain access to this exclusive opportunity available to you. Benefit eligibility is in accordance with applicable laws and client requirements. Benefits include:

• Medical, Prescription, Dental & Vision Benefits (for employees working 20+ hours per week)
• Health Savings Account (HSA) (for employees working 20+ hours per week)
• Life & Disability Insurance (for employees working 20+ hours per week)
• MetLife Voluntary Benefits
• Employee Assistance Program (EAP)
• 401K Retirement Savings Plan
• Direct Deposit & weekly epayroll
• Referral Bonus Programs
• Certification and training opportunities