Mid/Sr .NET Developer (Hybrid)
Serigor Inc.
Job Title: Mid/Sr .NET Developer (Hybrid)
Location: Wilmington, DE 19808
Duration: 6 months, Contract-to-Hire (FTE also considered)
Job Description:
We are seeking a Mid to Senior Level Software Engineer with strong experience in Microsoft .NET Core, C#, React, and AWS cloud technologies. This role is responsible for designing, developing, and maintaining scalable, high-performance applications in a cloud-first environment. The ideal candidate thrives in a fast-paced setting, can work independently, and contributes to architectural decisions while collaborating across teams. This position will play a key role in building secure, distributed systems supporting financial services applications.
Key Responsibilities:
-
Design, develop, and maintain scalable web applications using .NET Core and C#.
-
Build modern, responsive front-end applications using React and JavaScript.
-
Develop and consume RESTful APIs and microservices architectures.
-
Design and implement cloud-native solutions in AWS, including Lambda, S3, Dynamo.
-
Develop database queries utilizing Microsoft SQL Server and/or PostgreSQL.
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Participate in architecture discussions and contribute to system design decisions.
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Implement secure coding practices aligned with financial services industry standards.
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Collaborate with product, business, and cross-functional technical teams.
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Write clean, maintainable, and testable code following best practices.
-
Troubleshoot production issues and provide technical leadership when needed.
Minimum Education and Experience:
-
High School Diploma or GED required.
-
Minimum 5 years of professional software development experience.
-
Strong experience with C# and .NET Core.
-
Hands-on experience with AWS services.
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Experience with Microsoft SQL Server and/or PostgreSQL.
-
Experience building and integrating RESTful APIs.
-
Solid understanding of distributed systems and microservices architecture.
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Experience using Azure DevOps or similar.
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Strong knowledge of application security best practices.
-
Excellent problem-solving and communication skills.
Preferred Qualifications:
-
BA or BS Degree in Computer Science or related degree preferred.
-
React and JavaScript front-end development.
-
Financial services / FinTech industry experience (not required but a nice to have).
Soft Skills:
-
Strong communication. Ability to communicate with local and offshore/nearshore teams. Communicate priorities effectively.
Skills:
|
Skill |
Required/Desired |
Amount |
of Experience |
|
Professional software development experience. |
Required |
5 |
Years |
|
C# and .NET Core Development. |
Required |
5 |
Years |
|
Hands on AWS Cloud Development (Lambda, S3, DynamoDB and cloud-native architectures). |
Required |
Years | |
|
REST API & Microservices Development. |
Required |
Years | |
|
SQL Server and/or PostgreSQL. |
Required |
Years | |
|
Software Architecture, Secure Coding, and Distributed Systems. |
Required |
Years | |
|
Experience using Azure DevOps or similar. |
Required |
Years | |
|
Strong knowledge of application security best practices. |
Required |
Years | |
|
High School Diploma or GED. |
Required | ||
|
React and JavaScript front-end development. |
Desired |
Years | |
|
BA or BS Degree in Computer Science or related degree. |
Desired | ||
|
Financial services / FinTech industry experience. |
Desired |
Years |
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