Senior Software Engineer (.NET/C#/Azure)

Ontrac Solutions LLC.; United States; Teletrabalho; USD 150 000 - 190 000; Tempo integral

Resumo da oferta

OnTrac is seeking a Senior Software Engineer (C#/.NET Core/Azure) to join a contractor program supporting a large wholesale digital-marketplace customer. The team will rebuild the digital auction platform and decouple it from a legacy system, creating a modern backend for a digital-first marketplace.

The role involves delivering core features, collaborating across multiple teams, and writing production-grade C# code in an Agile environment while leveraging Azure services and Azure DevOps for

Qualificações

• 7+ years of C# development with strong OO design.
• Extensive experience with .NET Core and C#.
• Experience with Azure cloud services and Azure DevOps pipelines.
• Proficiency designing RESTful APIs and databases (SQL Server, PostgreSQL, NoSQL).

Responsabilidades

• Implement core features for the new platform, including inventory management and financial transactions.
• Collaborate with product managers and other teams to translate requirements into solutions.
• Develop high-quality, maintainable C# code in an Agile environment.
• Design efficient data models and database interactions.
• Integrate the system with existing platforms and third‑party services.
• Conduct code reviews and provide constructive feedback.
• Troubleshoot issues to ensure performance and reliability.
• Contribute to technical documentation and best practices.

Conhecimentos

C#

.NET Core

Azure

Azure DevOps

React

REST APIs

SQL / NoSQL

OO Principles

Team Collaboration

AI tools

Formação académica

Bachelor's degree in Computer Science or related field

Ferramentas

Entity Framework

SQL Server

PostgreSQL

NoSQL databases

GraphQL

Kafka

Descrição da oferta de emprego

OVERVIEW

OnTrac is seeking a Senior Software Engineer (.NET / C# / Azure) to join a contractor program supporting a large wholesale digital-marketplace customer. The customer is rebuilding its digital auction platform and decoupling it from a legacy auction management system, standing up a new, independent, modern auction backend purpose-built for a digital-first marketplace. Phase 1 delivers the core platform: inventory management, financial transactions, and customer management. The initiative is broad in scope and spans four or more teams. This role is ideal for a hands‑on senior engineer who writes production C# on .NET Core, is comfortable on Azure and Azure DevOps, and can collaborate across teams to turn business requirements into maintainable, scalable software.

ENGAGEMENT

• Expected start: ASAP
• Location: United States, fully remote

RESPONSIBILITIES

• Implement core features for the new platform, which could include inventory management, financial transactions, and customer management
• Collaborate closely with team members, other teams, and product managers to translate business requirements into technical solutions
• Develop high-quality, maintainable, and efficient C# code within an agile development environment
• Design and implement efficient data models and database interactions
• Integrate the new system with existing platforms and third-party systems
• Conduct code reviews and provide constructive feedback to peers
• Troubleshoot and debug issues, ensuring optimal performance and reliability
• Contribute to technical documentation and best practices

REQUIRED QUALIFICATIONS

• Bachelor's degree in Computer Science, Software Engineering, or a related field
• 7+ years of experience in C# development, with a strong understanding of object‑oriented programming principles
• Extensive experience with .NET Core and C#
• Familiarity with front-end development using modern frameworks, specifically React
• Experience with the Microsoft Azure cloud platform, including core services and infrastructure
• Experience creating and optimizing CI/CD pipelines, specifically within Azure DevOps
• Understanding of software architecture principles and best practices, with proficiency in applying design patterns to solve technical challenges
• Proficiency in designing and developing RESTful APIs
• Solid understanding of database systems and storage (e.g., SQL Server, PostgreSQL, NoSQL) and ORM frameworks (e.g., Entity Framework)
• Demonstrated ability to write clean, testable, and efficient code
• Strong problem-solving skills and attention to detail
• Excellent communication and collaboration skills
• Experience with agentic workflows
• Comfortable working with AI and AI‑assisted development tools

USEFUL QUALIFICATIONS

• Contemporary JavaScript / TypeScript (ES2015+), React Hooks, Next.js, Nx
• Experience with a message queue such as Kafka or RabbitMQ
• Experience writing GraphQL‑interfaced services
• Experience working with authentication and authorization