Sr. Software Engineer/ .NET Developer

SGS_JOB_2903

Information Technology
 Illinois
.NET
Python
AWS
PingID
JWT tokens
MarkLogic
RESTful
GraphQL API
Docker
Kubernetes

Contract - 06 Months (Contract, possibilities of extension)

Location (mandatory): Lake County, Illinois (Hybrid) • The project is already in progress; the new hire will help expedite delivery. • Candidate should be able to work independently, taking requirements and executing with minimal supervision. • No domain-specific (biological or neuroscience) knowledge is required — focus is purely on software engineering. • Strong emphasis on timely delivery, code quality, and team collaboration.

Job Responsibilities:

  • Design, develop, and maintain scalable applications using .NET 8.0, leveraging at least 7 years of hands-on development experience.
  • Utilize Python programming skills (2+ years' experience) for scripting, automation, or integration tasks as required by project needs.
  • Architect and implement cloud-based solutions on AWS, applying a minimum of 5 years’ experience with AWS services.
  • Integrate secure authentication and authorization protocols, including PingID and JWT tokens.
  • Design, implement, and optimize database solutions, including experience with MarkLogic (NoSQL) and other data storage technologies.
  • Lead and execute data transfer and migration initiatives between systems or platforms, ensuring security and data integrity.
  • Develop and enhance backend and middleware components using .NET 8.0.
  • Implement integrations involving authentication/authorization protocols (Ping ID, OpenID, etc.).
  • Handle data migration from legacy systems to AWS S3.
  • Collaborate closely with the architecture and business systems teams.
  • Work independently on pre-defined requirements (via JIRA tickets); no requirement gathering needed.
  • Participate in ongoing development cycles and adhere to project timelines and coding discipline.

Skills:

  • Design, develop, and maintain scalable applications using .NET 8.0, leveraging at least 7 years of hands-on development experience.
  • Utilize Python programming skills (2+ years' experience) for scripting, automation, or integration tasks as required by project needs.
  • Architect and implement cloud-based solutions on AWS, applying a minimum of 5 years’ experience with AWS services.
  • Integrate secure authentication and authorization protocols, including PingID and JWT tokens.
  • Design, implement, and optimize database solutions, including experience with MarkLogic (NoSQL) and other data storage technologies.
  • Lead and execute data transfer and migration initiatives between systems or platforms, ensuring security and data integrity.  
  • Experience with .NET modernization/migration strategies, such as upgrading legacy .NET Framework applications to .NET 8+, or migrating to microservices.
  • Strong knowledge of web technologies for handling large browser-based files (e.g., JavaScript, HTML5, WebAssembly, React or Angular frameworks).
  • Familiarity with AWS S3, Lambda, API Gateway, and AWS IAM for secure storage, transfer, and serverless processing of large data files.
  • Expertise with RESTful and GraphQL API design for seamless data transfer between web clients and backend/cloud services.
  • Advanced understanding of secure file handling (e.g., encryption, validation, virus scanning) for uploads and downloads.
  • Skills in DevOps and CI/CD for automating build, test, and deployment pipelines—especially cloud-oriented.
  • Familiarity with event-driven architectures and message queues (e.g., AWS SNS/SQS, Kafka) for robust file-transfer workflows.
  • Experience with cloud monitoring and logging tools (e.g., AWS CloudWatch, ELK stack) for file transfer and application health tracking.
  • Understanding of scalability and performance optimization in web and cloud apps.
  • Knowledge of containerization and orchestration technologies (Docker, Kubernetes) for scalable application deployment.
  • Experience integrating or migrating legacy data systems (including lab notebooks and scientific data formats) into modern platforms.
  • Experience with React.js or similar frontend frameworks.
  • Prior exposure to unstructured data migration projects.
  • Containerization expertise (Docker, Kubernetes).

Education/Experience:

  • Experience with .NET modernization/migration strategies, such as upgrading legacy .NET Framework applications to .NET 8+, or migrating to microservices.

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