NEWPosted 8 hours ago

Job ID: JOB_ID_1249

Role Overview

Fixity Technologies is seeking a highly skilled and motivated React Native Developer to join our engineering team in Sunnyvale, CA. This onsite position is a critical hire for our Digital Hyper-expansion initiative, where we are tasked with building next-generation mobile experiences for Fortune 500 clients. As a senior developer, you will bridge the gap between sophisticated mobile user interfaces and complex backend microservices, ensuring a seamless end-to-end digital journey for millions of users.

Key Responsibilities

  • Design, develop, and maintain high-performance mobile applications using React Native, focusing on cross-platform efficiency and native-like performance.
  • Architect and implement REST-based Microservices using .NET Web API and .NET 6/Core to support robust mobile frontend requirements.
  • Translate complex business requirements into scalable integration models and microservice architectures that meet enterprise standards.
  • Build and enforce security models around Microservices, utilizing advanced access control, policies, and multi-factor authentication.
  • Develop high-performing Microservices capable of scaling to handle millions of concurrent requests with minimal latency.
  • Create API solutions specifically designed for Fintech integration, ensuring ease of consumption and high reliability for financial transactions.
  • Collaborate with product owners and stakeholders to define the roadmap for API specifications and documentation.
  • Utilize Azure Cloud services including Azure SQL, Azure Storage, Azure Cosmos DB, and Azure Redis for data management and caching.
  • Implement event-driven architectures using Azure Service Bus, Event Hub, and Event Grids to ensure system decoupling and resilience.
  • Manage NuGet dependency management for building modular and reusable microservices across the organization.
  • Conduct rigorous unit testing using xUnit or NUnit, leveraging mocking frameworks like Moq or AutoFac to ensure code quality.
  • Deploy and manage containerized applications within Azure Kubernetes Service (AKS) and Azure App Services.
  • Integrate Single Sign-On (SSO) solutions using major IAM providers such as ForgeRock, Ping Identity, or Okta.
  • Manage the full CI/CD lifecycle using Azure DevOps, from pipeline creation to automated release management.

Technical Requirements

The ideal candidate will possess a minimum of 5 years of professional experience in building REST-based APIs using the .NET Web API framework. At least 3 years of recent experience must be with .NET Core or .NET 6. Proficiency in the Azure Platform is mandatory, with at least 3 years of hands-on experience building applications using Azure Cloud Services. We require a deep understanding of SOLID principles and design patterns to ensure the creation of maintainable and scalable codebases. Experience with OAuth, SAML, and JWT token consumption is essential for this role. Candidates must be local to California or willing to relocate to Sunnyvale for this onsite engagement.

About Fixity Technologies

For over 20 years, Fixity Technologies has been a leader in powering digital experiences for the world’s most successful companies. Since our founding in 1999, we have grown into a global powerhouse with over 4,000 team members dedicated to digital modernization. Our culture is built on innovation, technical excellence, and a commitment to career growth. We provide our engineers with the tools and opportunities to work on high-impact projects that define the future of digital interaction.


Special Requirements

Local to CA candidates only. Onsite requirement in Sunnyvale. Domain: Fintech/Digital Modernization.


Compensation & Location

Salary: $145,000 – $195,000 per year (Estimated)

Location: Sunnyvale, CA


Recruiter / Company – Contact Information

Recruiter / Employer: Fixity Technologies

Email: sai.p@fixitytech.com


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