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Full Stack C# Developer

Job in Westerville, Delaware County, Ohio, 43082, USA
Listing for: Hive + Co
Full Time position
Listed on 2025-12-20
Job specializations:
  • Software Development
    Backend Developer, Software Engineer, C# / Unity Developer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: Westerville

To Apply for this Job

We are seeking a Full-Stack C# Developer with expertise in Windows Forms (Win Forms) client-server applications, Angular web forms, and secure API development. The ideal candidate willhave experience developing C# APIsthat interact with MS SQL Server, implementing FIPS 140-2 encryptionfor data security, and working with Windows Services. Additionally, the candidate should be proficient in SFTP, machine-to-machine communications via email formatting, andother secure communication protocols.

Key Responsibilities:

  • Windows Forms & Client-Server Development:
    • Design, develop, and maintain Windows Forms (Win Forms) client-server application sin C#.
    • Optimize stored procedure sand database interactions in MS SQL Server.
    • Develop and maintain Windows Services for background processing and automation.
  • Web & API Development:
    • Develop and maintain Angular web formswith a C# APIbackend.
    • Build secure, scalable APIsusing

      ASP.NETCore/Web API.
    • Ensure API communication and database storage comply with FIPS 140-2 encryption standards.
  • Secure Communications & Data Exchange:
    • Implement secure file transfers using SFTP and other encryption protocols.
    • Develop machine-to-machine (M2M) communication using email-based data exchange and formatting.
    • Ensure secure authentication and authorizationusing best practices, including OAuth, JWT, and multi-factor authentication (MFA).
  • Performance, Security & Compliance:
    • Ensure database encryption, API security, and secure data storage comply with FIPS 140-2.
    • Optimize database queries and stored procedures for scalability and performance.
    • Monitor and troubleshoot system performance, network communications, and data integrity.

Required Skills &

Qualifications:

  • Development & Frameworks:
    • Strong experience in C#and .NET Framework/.NET Core.
    • Windows Forms (Win Forms) development expertise.
    • Proficiency in Angular(version 10+ preferred) for web application development.
    • Experience developing RESTful APIs using

      ASP.NETCore/Web API.
    • Strong understanding of MS SQL Server, stored procedures, and database performance tuning.
  • Security & Compliance:
    • Hands-on experience implementing FIPS 140-2 encryption for data storage and transmission.
    • Experience with SSL/TLS encryption, secure authentication (OAuth, JWT, SAML), and access control best practices.
    • Knowledge of cybersecurity principles, secure coding practices, and vulnerability management.
  • Windows Services & Communications:
    • Experience developing and maintaining Windows Services.
    • Familiarity with SFTP, SMTP, POP3, and other machine-to-machine (M2M) communication protocols.
    • Understanding of networking, firewalls, and secure data transmission.

Additional Technical

Skills:

  • Experience with Dev Ops, CI/CD pipelines, and automated deployments.
  • Familiarity with cloud platforms (Azure, AWS) for hybrid applications.
  • Knowledge of message queuing systems (Rabbit

    MQ, MSMQ, or Kafka).
  • Version control using Git (Git Hub, Git Lab, or Bitbucket).
  • Bachelor’s degree in Computer Science, Software Engineering, or a related field(or equivalent experience).
  • 3+ years of experience in C# Windows Forms and SQL development.
  • 2+ years of experience with Angular and API development.

Preferred

Skills:

  • Experience with Blazor or WPF for modern UI development.
  • Knowledge of containerization (Docker, Kubernetes).
  • Familiarity with PKI (Public Key Infrastructure) and digital certificates.
  • Experience implementing FIPS 140-2 encryption is highly preferred.

Reference:1045560

Worried that you don’t meet every single requirement listed in the job ad? Studies have shown that individuals from marginalized groups are less likely to apply to jobs unless they meet every single qualification. Hive + Co. is dedicated to building a diverse, inclusive and representative workplace, so if you’re excited about this role, but worried that you don’t meet every requirement, we encourage you to apply anyways.

We’d love to get to know you.

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