RedRiver Systems, LLC

About the Company

RedRiver helps you find the perfect blend of skills, experience and personality to mesh with your environment. We use a Custom Search methodology to understand your needs, create an approach, and research the market to find the most talented individuals available. Then, with your feedback, we hone our search to find potential candidates who will fit your requirements and surpass your expectations. We're dedicated to using an honest, collaborative approach at all times with our clients and candidates, and we're passionate about providing the highest-quality service in the industry.

Listed Jobs

Company Name

RedRiver Systems, LLC

Job Title

Senior C# / Azure Developer

Job Description

**Job title** Senior C# / Azure Developer **Role Summary** Lead the design, development, testing, and deployment of scalable, secure .NET Core solutions on Azure for a finance-focused organization. Deliver full‑stack features using C#, Angular, and Azure services, while actively participating in Agile Scrum practices and promoting code quality and security standards. **Expectations** * Provide end‑to‑end ownership of complex application components. * Deliver high‑quality, performant, and secure code within sprint timelines. * Mentor junior developers and enforce clean coding, testing, and documentation practices. * Collaborate cross‑functionally with product owners, UX designers, and enterprise architecture teams. **Key Responsibilities** * Develop and maintain .NET Core APIs, Angular front‑ends, and Azure cloud‑native components (Service Bus, Functions, Storage, Managed Identity, B2C Auth). * Write and optimize SQL Server database objects (procedures, views, tables, triggers). * Implement automated unit, integration, and performance tests; conduct peer code reviews. * Identify, remediate, and document security vulnerabilities; enforce secure coding guidelines. * Participate actively in Agile ceremonies—Sprint Planning, Daily Stand‑ups, Retrospectives, and Demo sessions. * Work with Enterprise Architecture to uphold coding, security, and UX standards across the organization. **Required Skills** * 12+ years of professional experience in C#, .NET Core, WebAPI, Entity Framework, and LINQ. * Proficient in Angular 10+ (preferably TypeScript). * Strong Azure Cloud‑Native expertise (Service Bus, Functions, Storage, Managed Identity, B2C Auth). * Solid SQL Server skills: T‑SQL, stored procedures, views, tables, triggers. * Experience with PowerShell scripting (preferred). * Familiarity with Agile/Scrum methodology and continuous integration/continuous delivery pipelines. * Excellent debugging, performance tuning, and security best‑practice knowledge. * Effective communication and documentation skills. **Required Education & Certifications** * Bachelor’s degree in Computer Science, Software Engineering, or equivalent professional experience. * 12+ years of progressive, hands‑on development experience in the specified technologies. ---

Irving, United states

Hybrid

Senior

30-12-2025

Company Name

RedRiver Systems, LLC

Job Title

Senior Full Stack .NET Developer

Job Description

Job Title: Senior Full Stack .NET Developer Role Summary: Lead end‑to‑end development of enterprise‑grade, cloud‑native applications using .NET Core, C#, Angular, and Azure services. Collaborate in Agile Scrum teams to deliver secure, high‑performance solutions that align with architectural and UX standards. Expectations: * Groom and refine functional and technical requirements. * Deliver code changes in short sprints with rigorous quality and security controls. * Drive continuous improvement in development practices and architecture. Key Responsibilities: * Design, develop, and maintain scalable microservices and front‑end components in .NET Core, C#, and Angular (10+). * Implement Azure Cloud‑Native services (Service Bus, Functions, Storage, Managed Identities, B2C Auth). * Create and maintain SQL Server database objects (SPs, views, tables, triggers). * Write automated unit, integration, and UI tests; conduct peer code reviews. * Identify and remediate security vulnerabilities; enforce secure coding guidelines. * Coordinate with Enterprise Architecture to uphold coding, performance, and UX standards. Required Skills: * 12+ years of professional experience in C#, .NET Core, WebAPI, Entity Framework, and LINQ. * Proficient in Angular (10+), modern JavaScript/TypeScript, and responsive UI design. * Hands‑on experience with Azure services and cloud‑native development patterns. * Strong understanding of relational database design and T‑SQL programming. * Competence in Agile/Scrum methodologies and continuous integration pipelines. * Familiarity with PowerShell scripting (preferred). Required Education & Certifications: * Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent experience). ---

Dallas-fort worth metroplex, United states

Hybrid

Senior

19-01-2026

Company Name

RedRiver Systems, LLC

Job Title

Azure Cloud Administrator

Job Description

**Job title:** Azure Cloud Administrator **Role Summary:** Administers and maintains on‑premises and Azure cloud infrastructure for a large financial organization. Ensures high availability, security compliance, and performance of Windows servers, Active Directory, Azure Entra ID, and related services. Implements automation, monitors systems, and troubleshoots incidents to support a 24/7 environment. **Expactations:** - 8+ years of Windows Server administration or technology delivery experience. - Proven expertise in Azure Cloud Services, Active Directory, and related Microsoft technologies. - Strong scripting skills (PowerShell) and familiarity with Microsoft System Center (SCCM, SCOM, Defender). - Ability to handle troubleshooting, root cause analysis, and rapid resolution of complex issues. - Excellent communication, customer‑service orientation, and teamwork in a collaborative setting. - Availability for on‑call support during evenings and weekends as required. **Key Responsibilities:** - Configure, upgrade, and patch Windows Server 2012/2016/2019 and Azure virtual machines. - Manage AppLocker, Group Policy, and Azure Entra ID policies. - Deploy and maintain system infrastructure (Active Directory, DNS, DHCP, backup, networking). - Monitor system health, performance, and security using tools such as SCOM and Defender Endpoint. - Build new servers, install and upgrade applications, and integrate new technologies. - Diagnose and resolve hardware, software, and network problems. - Identify and implement process improvements and automation (Infrastructure as Code). - Support 24/7 operations, including incident response and system maintenance. **Required Skills:** - Windows Server Administration (2012+). - Azure Cloud Management (IaaS, PaaS). - Active Directory / Azure Entra ID (Domain Services, Group Policy). - PowerShell scripting. - Microsoft System Center (SCCM, SCOM, Defender). - Patch management and security compliance. - Troubleshooting, root cause analysis, and incident response. - Strong written and verbal communication. - Organizational and time‑management skills. - Detail‑oriented and quick learner. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Information Systems, or related field (preferred). - Relevant certifications: Microsoft Certified: Azure Administrator Associate, Microsoft Certified: Windows Server Hybrid Administrator Associate, or equivalent.

Irving, United states

Hybrid

Senior

11-02-2026

Company Name

RedRiver Systems, LLC

Job Title

React Engineer

Job Description

Job title: React Engineer Role Summary: Senior React Front‑End / Full‑Stack Engineer responsible for designing, building, and maintaining scalable UI systems for a SaaS and mobile environment, integrating 3D interactive content, and ensuring performance, security, and compliance for government contracts. Expactations: Must be a U.S. citizen. Deliver high‑quality, secure code; collaborate effectively with back‑end, QA, and UX teams; adhere to government security and data standards; participate in Agile/Scrum ceremonies; conduct thorough unit testing and code reviews; continuously optimize front‑end performance; maintain documentation; support DevOps tools and AWS GovCloud deployments. Key Responsibilities: - Develop and extend React components using TypeScript and TanStack Query, adhering to design specifications and accessibility standards. - Integrate RESTful APIs and third‑party services, ensuring secure data handling and compliance with government regulations. - Implement and maintain 3D rendering pipelines and graphics workflows for interactive product instructions. - Troubleshoot and resolve front‑end performance issues, employing profiling, caching, and optimization techniques. - Write unit tests with vitest and maintain test coverage for both UI components and API interactions. - Perform code reviews, provide constructive feedback, and enforce coding standards across the team. - Collaborate with back‑end developers to design and maintain secure Python/FastAPI services (Pydantic v2, OpenAPI). - Engage fully in Agile/Scrum events: daily stand‑ups, sprint planning, reviews, and retrospectives. - Support CI/CD pipelines using Docker, Git, Jenkins, and AWS GovCloud services (ECS, ECR, API Gateway, etc.). Required Skills: - React, TypeScript, TanStack Query, component libraries, vitest. - 3D rendering, graphics pipelines, or real‑time renderers. - Secure API development, RESTful services. - AWS GovCloud services: ECS, ECR, ALB/NLB, API Gateway, SNS, SQS, Cognito, Aurora RDS, DynamoDB. - Docker, Git, Jenkins. - Python, FastAPI, Pydantic v2, pytest. - SQL & NoSQL databases (PostgreSQL, DynamoDB). - Agile/Scrum methodology. - Strong communication, problem‑solving, and code‑quality focus. - FedRAMP/Impact Level compliance knowledge is a plus. Required Education & Certifications: - Bachelor’s degree in Computer Science, Engineering, or related field. - U.S. citizenship (mandatory). - Certifications not mandatory; FedRAMP/Impact Level or similar compliance experience highly valued.

Grapevine, United states

Hybrid

Mid level

17-02-2026