3Core Systems, Inc

Full Stack Software Engineer

3Core Systems, Inc  •  Dallas, TX (Hybrid)  •  13 hours ago
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Job Description


Full
Stack Software Engineer


Location:

Dallas, TX Hybrid – 3 days onsite /
2 days remote
Employment Type:

Contract – 12 months (ability to extend)


Position
Overview


Full Stack
Software Engineer with approximately 5+ years of experience designing,
developing, testing, and maintaining modern web applications and backend
services.


This
position will have a strong focus on C#/.NET Core backend development,
microservices architecture, event-driven integrations using Apache Kafka, AWS
cloud environments, and React frontend development.


The ideal
candidate will be a hands-on full stack developer who can build RESTful APIs
and microservices in .NET, develop Kafka-based integrations using .NET and
Python, contribute to React-based user interfaces, and support application
deployment through modern DevOps and CI/CD pipelines within AWS.


Key
Responsibilities


  • Design, develop, test, and maintain full-stack applications using
    C#, .NET Core, ASP.NET Core, React, JavaScript, and TypeScript.

  • Build and maintain RESTful APIs and microservices-based
    applications using .NET Core.

  • Design and support service-to-service communication within
    distributed application environments.

  • Develop event-driven integrations using Apache Kafka, including
    producers and consumers built with .NET and Python.

  • Troubleshoot Kafka messaging, event processing, and application
    integration issues.

  • Develop responsive web applications and reusable UI components
    using React, JavaScript, TypeScript, HTML5, and CSS3.

  • Integrate React applications with backend REST APIs and resolve
    frontend/UI defects.

  • Work with SQL and NoSQL databases, including SQL Server,
    PostgreSQL, MySQL, and DynamoDB.

  • Deploy and support applications within AWS serverless and
    containerized environments.

  • Work with AWS technologies including Lambda, ECS, EC2, S3, API
    Gateway, and CloudWatch.

  • Build, integrate, and maintain CI/CD pipelines used to automate
    application builds, testing, and deployments.

  • Work with tools such as GitHub Actions, Azure DevOps, AWS
    CodePipeline, Git, and Docker.

  • Participate throughout the full software development lifecycle,
    including design, development, testing, deployment, troubleshooting, and
    production support.

  • Collaborate with senior engineers, QA teams, business analysts,
    product owners, and UX professionals.

  • Participate in Agile/Scrum ceremonies including sprint planning,
    daily stand-ups, code reviews, testing, and retrospectives.

  • Troubleshoot application performance, integration, messaging, and
    deployment issues and contribute to improvements in system reliability and
    maintainability.


Required
Qualifications


  • 5+ years of professional full stack software development
    experience.

  • Strong hands-on development experience with C# and .NET Core /
    ASP.NET Core.

  • Experience designing and developing REST APIs and microservices
    architectures.

  • Experience with object-oriented programming, dependency injection,
    Entity Framework, and common software design patterns.

  • Hands-on experience with Apache Kafka and event-driven
    architecture.

  • Experience developing or supporting Kafka producers and consumers
    using .NET and/or Python.

  • Experience developing frontend applications using React,
    JavaScript, and TypeScript.

  • Experience integrating frontend applications with REST APIs.

  • Experience developing and deploying applications within AWS cloud
    environments.

  • Understanding of serverless and container-based application
    architectures.

  • Experience with Docker and CI/CD pipelines.

  • Experience with relational and/or NoSQL databases.

  • Strong understanding of the software development lifecycle and
    modern application development practices.

  • Experience working within Agile/Scrum development teams.


Technical
Environment


Languages:

C#, .NET Core, ASP.NET Core, Python, JavaScript, TypeScript


Frontend:

React, HTML5, CSS3, REST API Integration


Backend:

.NET Core, ASP.NET Core, RESTful APIs, Microservices, Entity Framework, JSON


Messaging
& Integration:

Apache Kafka, Event-Driven Architecture, Kafka Producers/Consumers


Cloud:

AWS Lambda, ECS, EC2, S3, API Gateway, CloudWatch


DevOps:

Git, Docker, CI/CD Pipelines, GitHub Actions, Azure DevOps, AWS CodePipeline


Databases:

SQL Server, PostgreSQL, MySQL, DynamoDB


Methodologies:

Agile/Scrum, SDLC, Unit Testing, Code Reviews, Git Version Control

3Core Systems, Inc

About 3Core Systems, Inc

Established in 2004, 3Core System is a certified small minority owned business providing ERP Systems Integration, AMS, IT Consulting and Staff Augmentation Services to Fortune 1000, SMB, and State, Local and Education (SLED) customers. While our System Integration services help organizations achieve digital and cloud transformation objectives, AMS Services help increase the availability of critical services of end user applications. On the other hand, our IT Consulting Services would provide subject matter experts to help you assist with specific project needs and the Staff Augmentation services help you balance workload and achieve budget parameters.

>ERP System Integration Services: 3Core Systems is an SAP Silver Partner and authorized service provider offering technical architecture, application design and configuration, integration, testing, data migration and solution adoption services for solutions including SAP SuccessFactors, SAP HCM On-Premises and SAP Business Intelligence

>Application Management Services (AMS): We offer post go-live, System Health Check and Optimization, Function Enhancements, Integration Monitoring, Release, and patch services. Our AMS services span across SAP Solutions including ERP (S/4 HANA), Financial Management, Human Capital Management, Data and Analytics, Supply Chain, CRM, and Customer Experince.

>IT Consulting and Staffing Augmentation Services: Ever since its inception, 3Core Systems has been offering IT Consulting and Staff Augmentation solutions including temporary, long-term, project based and contract staffing services that could be personalized based on your needs. Our staffing services span across emerging technologies and legacy solutions including but not limited to Artificial Intelligence, Machine Learning, Data Science, Cloud, ERP, CRM, BI/BW/ETL, Database, Web & E-Commerce, UI/UX, Network & Security and Mobile.

Industry
IT & Software
Company Size
51-200 employees
Headquarters
Austin, TX
Year Founded
2004
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