Dot Net Lead Architect - St Louis - Cygnus Professionals Inc.

    Cygnus Professionals Inc.
    Cygnus Professionals Inc. St Louis

    1 day ago

    Telecommunications
    Description

    About Cygnus Professionals, Inc.

    Cygnus is a Princeton, NJ-headquartered global Business IT consulting and software Services firm with offices in the USA and Asia. Cygnus offers and enables innovation and helps our clients accelerate time to market & grow their business. Over 15 years, we have taken great pride in continuing our deep relationships with our clients.

    For further information about CYGNUS, please visit our website

    .Net Lead / Architect

    St Louis MO (onsite)

    Longterm contract

    TMS V2 – Technical Stack

    Frontend

    • React
    • functional components, hooks, and advanced patterns for large-scale SPAs
    • TypeScript
    • Strict typing, generics, advanced patterns for maintainable code
    • JavaScript
    • Modules, promises, async/await, performance optimizations
    • Component Framework: PrimeReact
    • Style Framework: Tailwind CSS
    • REST and GraphQL API integration: Advanced consumption, caching, and performance optimization

    Backend

    • C# .NET Core / ASP.NET Core Web API
    • Enterprise RESTful API design and implementation
    • Advanced OOP patterns, SOLID, dependency injection, asynchronous programming, and memory management
    • Authentication
    • JWT, OAuth2, and enterprise security patterns
    • API documentation
    • Swagger/OpenAPI, API gateways, and contract management
    • Microservices & modular architecture:
    • Service decomposition, inter-service communication, and distributed patterns

    Databases

    • MongoDB:
    • Advanced schema design, indexing, aggregation pipelines, and performance optimization
    • Data architecture: Consistency patterns, caching strategies, and ETL/integration considerations

    DevOps & Tooling

    • Git (GitHub, GitLab, or Azure DevOps): Branching strategies, pull request workflows, and code review best practices
    • Cloud-native applications (GCP, AWS, Azure): Architecture design, deployment strategies, cost optimization, and scalability
    • CI/CD pipelines: Advanced build automation, deployment, and infrastructure as code
    • Containerization and orchestration: Docker, Kubernetes (GKE), and microservices deployment

    Testing & Quality

    • Unit, integration, and performance testing (xUnit, NUnit, Jest)
    • API testing (Postman) for complex service interactions
    • Logging, monitoring, and error handling at enterprise scale
    • Code quality, static analysis, and technical debt management
    • Mentoring developers on test-driven development and clean code practices

    System Awareness

    • Multi-tier and distributed architectures, service-oriented and microservices patterns
    • Cloud-native deployment, CI/CD, and observability patterns
    • Security architecture and compliance frameworks
    • Data architecture, ETL processes, and integration patterns

    Key Responsibilities

    Feature & Platform Development

    • Lead design and implementation of new features and platform components
    • Architect and develop scalable, maintainable RESTful APIs and microservices
    • Drive frontend modernization and complex state management solutions
    • Define performance optimization strategies and implement improvements

    Maintenance & Quality

    • Oversee bug resolution and performance enhancements
    • Establish and enforce code quality and security standards
    • Conduct architecture and code reviews for developers
    • Update and maintain technical documentation

    Integration & Collaboration

    • Design and oversee integrations with internal and external APIs
    • Provide technical guidance and architectural leadership
    • Collaborate with teams to ensure solution alignment
    • Communicate technical risks, trade-offs, and decisions

    Cygnus Belief

    We believe in our commitment to diversity & inclusion.

    Equal Employment Opportunity Statement

    Cygnus is an Equal Opportunity Employer. We ensure that no one should be discriminated against because of their differences, such as age, disability, ethnicity, gender, gender identity and expression, religion, or sexual orientation.

    All our employment decisions are taken without looking into age, race, creed, color, religion, sex, nationality, disability status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status, or any other aspects of employment protected by federal, state, or local law. Applicants for employment in the US must have work authorization.


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