Principal Full-Stack Software Engineer C#/.NET (Flex Hybrid or Remote)

Wonda VR; South Carolina; Remote; USD 156,000 - 257,000; Full time

Job summary

A leading company in financial data and access solutions is seeking a Principal Full-Stack Software Engineer specializing in C#/.NET development. This remote role involves designing high-performance applications, working with ReactJS, and leading teams to build secure and scalable systems. Candidates should have a solid background in full-stack development and a strong grasp of modern software architecture and security practices.

Benefits

Competitive salary and bonus

Medical, Dental, Vision, Life insurance

401k plan with match

Paid time off and paid holidays

Dynamic work environment

Qualifications

• 8+ years of experience in full-stack development with a focus on C#/.NET.
• Advanced expertise in building scalable backend services.
• Strong understanding of real-time data processing and web streaming technologies.

Responsibilities

• Design and implement scalable server-side applications using C#/.NET.
• Collaborate with front-end teams using ReactJS.
• Drive technical decisions and provide mentorship to other developers.

Skills

C#/.NET

RESTful APIs

WebSockets

Data structures and algorithms

Microservices architecture

Data protection mechanisms

Education

Bachelor’s degree in Computer Science or related field

Tools

SQL Server

PostgreSQL

MySQL

Entity Framework

Docker

Kubernetes

Azure

AWS

GCP

Job description

Job Description

Position Title: Principal Full-Stack Software Engineer C#/.NET

Department: Systems Development

Division: Cboe Data and Access Solutions

Location: Remote or can be Flex/Hybrid near a Cboe office

Position Summary:

Cboe Data and Access Solutions division is looking for a highly skilled and experienced Principal Software Engineer to join our team. This role is perfect for a seasoned engineer who is an expert in .NET/C# server-side development with some exposure to front-end technologies like ReactJS. You will be responsible for designing and implementing scalable back-end systems that power high-performance React-based front-end applications, particularly in financial analytics, execution, and risk management platforms. The ideal candidate has extensive experience in developing and engineering complex and performant server-side applications with expertise in real-time data processing, web streaming technologies, RESTful APIs, and securing applications and communications to deliver enterprise grade software solutions.

Key Responsibilities:

• Lead the design, architecture, and implementation of scalable server-side applications using C#/.NET.
• Collaborate with front-end teams (using ReactJS) to ensure smooth and performant integration between the back-end and UI.
• Work closely with cross-functional teams, including product management, to understand requirements and deliver high-quality, well-architected solutions.
• Implement server communications leveraging secure APIs using streaming and RESTful transport protocols.
• Implement secure authentication and authorization mechanisms using OpenID Connect and OAuth.
• Ensure code quality through best practices, including unit testing, integration testing, and code reviews.
• Drive technical decisions and provide mentorship to other developers on the team.
• Independently research and resolve complex technical problems.
• Optimize application performance through analysis and tuning.
• Implement security code scanning and update software code to resolve security issues.
• Manage technical debt and help evolve the architecture to support future business needs.
• Self-manage assigned projects to ensure successful completion in designated time frames.
• Stay up to date with emerging technologies and frameworks, continuously improving and innovating our stack.

Qualifications:

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 8+ years of hands-on experience in professional full-stack development with a focus on C#/.NET.
• Strong OOP skills and experience with design patterns.

Skills & Requirements

• Development:
  • Advanced expertise in C#/.NET and ASP.NET for building scalable, high-performance back-end services.
  • Proficiency in developing and consuming RESTful APIs and real-time communication protocols like WebSockets.
  • Expertise in data serialization (MessagePack, Protobuf) and throughput optimization techniques, including compression.
  • Experience with database technologies such as SQL Server, PostgreSQL, MySQL, and ORMs like Entity Framework.
  • Strong understanding of data structures and algorithms, profiling and performance optimization.
  • Prior experience with operating system APIs.
  • Experience with microservices architecture.
• Security:
  • Expertise in implementing authentication and authorization using OpenID Connect, OAuth 2.0, and related security standards.
  • Proficiency in data protection mechanisms including encryption.
  • Experience working with application security and vulnerability scanning and remediation techniques.
• Other Skills:
  • Familiarity with Agile/Scrum methodologies and DevOps practices (CI/CD pipelines, automated testing, etc.).
  • Comfortable with Windows and Linux operating systems.
  • Excellent communication, problem-solving, and leadership skills.
• Nice to Have:
  • Experience with financial industry systems.
  • Proficiency in front-end technologies such as Javascript, TypeScript, ReactJS.
  • Familiarity with gRPC or GraphQL.
  • Understanding of microservices architecture, containerization (Docker/Kubernetes), and cloud platforms (Azure, AWS, or GCP).

We offer:

• Competitive salary and bonus
• Medical, Dental, Vision, Life insurance
• 401k plan with match, paid time off, paid holidays
• Remote employment and transportation benefits
• Dynamic work environment with great opportunity for personal development

#LI-REMOTE

#LI-HYBRID

#LI-JS1

As required by the New York City Human Rights Law, Cboe provides a reasonable range of minimum base salary for roles that may be performed in New York City. Actual compensation is influenced by a wide array of factors including but not limited to geographic location, skill set, level of experience, etc. For New York City only, the range of starting base salary for this role is $156,000-$257,000. Additional incentive compensation and benefits may be available.

Any communication from Cboe regarding this position will only come from a Cboe recruiter who has a @cboe.com email or via LinkedIn Recruiter. Cboe does not use any otherthird party communication tools for recruiting purposes.