Senior Backend Software Developer with Expert-Level .NET and C# Experience

6 days ago


Hemel Hempstead, Hertfordshire, United Kingdom NEC Full time

Job Description

We are seeking a Senior Backend Software Developer with extensive experience in .NET and C# development, particularly in building robust backend systems and APIs. The ideal candidate will have a deep understanding of backend technologies and best practices, as well as a commitment to delivering high-quality, secure, and compliant software solutions.

Key Responsibilities:

  • Design and develop backend services and APIs using .NET and C#.
  • Lead the integration of backend systems with external services and applications via APIs.
  • Ensure high performance and responsiveness of all backend functions.
  • Implement secure data handling, validation, and transmission practices.
  • Work closely with front-end developers and other team members to meet system requirements.
  • Spearhead the adoption and implementation of HL7 and FHIR standards within the company's ecosystem.
  • Provide technical leadership and mentorship to junior developers.
  • Optimize existing systems for scalability and speed.
  • Manage database design and querying with an emphasis on performance and security.
  • Conduct code reviews, testing, and debugging to ensure robust and error-free deployment.

Required Skills and Qualifications:

  • Bachelor's degree in Computer Science, Software Engineering, or a related field; a master's degree is preferred.
  • Previous professional experience in backend software development with expertise in .NET and C#.
  • Proven experience designing and implementing APIs.
  • Strong understanding of the .NET ecosystem, OOP principles, and multi-threading.
  • Experience with HL7, FHIR, or other healthcare industry data exchange standards is highly desirable.
  • Proficiency in databases (SQL Server, MySQL, etc.) and performing complex queries.
  • Familiarity with Agile development methodologies and DevOps practices.
  • Strong problem-solving skills and the ability to work collaboratively in a team environment.
  • Excellent communication and project management skills.

Preferred Skills:

  • Experience with cloud platforms such as Azure.
  • Familiarity with version control systems like Git.
  • Knowledge of additional backend technologies and frameworks.
  • Prior experience in the healthcare industry, particularly with electronic health records (EHR) systems.
  • Experience in a lead or senior developer role managing or guiding a team.
  • Familiarity with DevOps tools and practices, including CI/CD pipelines.

Additional Information:

We pride ourselves in offering an excellent benefits package, including an above-average pension scheme. When you join the team at NEC Software Solutions, you are provided with the following:

  • Private Medical Cover funded by NEC for Employees (with the option to add family members at an additional cost)
  • 25 days paid holiday with the option to buy/sell (FTE)
  • 4 x basic salary life assurance cover funded by NEC (with the option to increase cover at an additional cost)
  • A Group Pension Plan with fantastic employer contributions up to a maximum of
  • A selection of flexible benefits to suit your individual needs
  • All colleagues get free access to LinkedIn Learning. Over 15,000 courses covering a huge breadth of subjects. Learn about what you like, when you like, how you like.


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