Lead .Net Software Engineer

Allstate Insurance; Illinois; On-site; USD 100,000 - 171,000; Full time

Job summary

Allstate Insurance seeks a seasoned backend engineer to maintain and modernize a mission-critical dealer-services platform. You will design, develop, and support backend services and APIs, balancing production reliability with ongoing modernization.

As a technical lead, you will guide architecture, drive best practices, and collaborate with product, operations, and business stakeholders to deliver scalable, secure solutions. This role emphasizes CI/CD, observability, and agile collaboration.

Qualifications

• 4+ years of software development experience with C# and the .NET framework.
• Experience designing REST APIs (Swagger/OpenAPI) and service integration patterns.
• Strong OO design, data modeling, and SQL development.
• Proficiency with TDD and testing frameworks (xUnit/NUnit/MSTest).
• CI/CD and DevOps tooling experience (GitHub, Azure DevOps, Jenkins, SonarQube).

Responsibilities

• Design, develop, test, and maintain backend services and APIs for enterprise payment solutions.
• Participate in Agile ceremonies and drive continuous improvement.
• Collaborate with stakeholders to deliver customer-focused solutions.
• Contribute to architecture and operation of scalable microservices and distributed systems.
• Apply best practices: clean code, testing, code reviews, and automated testing.
• Build and maintain CI/CD pipelines and deployment processes for reliable delivery.

Skills

.NET/C# backend

REST APIs

OO design

SQL/DB design

TDD

CI/CD

Observability

Docker

Kubernetes

Agile/Scrum

Tools

GitHub

Azure DevOps

Jenkins

SonarQube

Datadog

Job description

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection.

Job Description

In this role, you will lead the maintenance, modernization, and ongoing evolution of a mission-critical application supporting Allstate Dealer Services. This platform is fundamental to the operation of the business, enabling key dealer-facing processes and transactions that directly support revenue generation and day-to-day operations. As a technical leader on the team, you will design, develop, and support backend services and applications, balancing the needs of a mature production environment with ongoing modernization efforts. You will contribute to architecture and technical direction, drive engineering best practices, and help ensure the reliability, scalability, security, and performance of systems that the business depends on every day. This role includes ownership of applications in production, partnering closely with product, operations, and business stakeholders to deliver high-quality solutions, resolve complex technical challenges, and continuously improve the platform's capabilities.

Key Responsibilities

• Design, develop, test, and maintain backend services and APIs supporting enterprise payment solutions.
• Participate in Agile ceremonies including iteration planning, standups, and retrospectives, helping drive continuous improvement across the team.
• Collaborate with product, engineering, and business stakeholders to deliver customer-focused solutions.
• Contribute to the architecture, development, and operation of scalable microservices and distributed systems.
• Apply engineering best practices including clean code principles, test-driven development, code reviews, and automated testing.
• Build and maintain CI/CD pipelines and deployment processes that support reliable software delivery.
• Monitor, troubleshoot, and support applications in production environments.
• Contribute to the codebase while ensuring adherence to coding standards, security requirements, and engineering best practices.

Essential Skills

• 4+ years of software development experience using C# and the .NET framework, including designing, developing, maintaining, and enhancing enterprise applications.
• Experience designing and building REST APIs, including documentation (Swagger/OpenAPI), versioning, testing, and service integration patterns.
• Strong understanding of software development concepts, object-oriented design principles, and modern engineering practices.
• Solid knowledge of relational database design, indexing strategies, query optimization, and SQL development.
• Experience creating products using Test Driven Development (TDD) and testing frameworks such as xUnit, NUnit, MSTest, or equivalent.
• Experience with CI/CD and DevOps methodologies using tools such as GitHub, Azure DevOps, Jenkins, SonarQube, or similar technologies.
• Experience developing and supporting production services and implementing observability using Datadog or equivalent monitoring solutions.
• Experience with containerization technologies such as Kubernetes and Docker for deploying and managing applications.
• Familiarity with modernizing applications and services toward current .NET platforms, including .NET 8.
• Excellent problem-solving and troubleshooting skills.
• Strong communication and interpersonal skills.
• Experience working in an Agile/Scrum or eXtreme Programming (XP) work environment (or equivalent).

Preferred Skills

• Experience with .NET Core and modern .NET application development patterns.
• Experience with Java and enterprise frameworks such as Spring Boot, Spring Data, Spring Security, or related technologies.
• Experience building and operating high-traffic, distributed systems that support large transaction volumes, with strong emphasis on reliability, performance, and scalability.
• Experience utilizing quality and security scanning tools such as SonarQube, Fortify, Contrast, or similar technologies.
• Experience with messaging platforms such as Kafka or similar event-streaming technologies.
• Practical cloud experience with technologies such as AWS, PCF, Azure, or other cloud platforms and application performance monitoring tools.

Experience

• 5 or more years of experience (preferred)

Skills

.NET Applications, .NET Core, Clean Code, C Sharp (Programming Language), Docker (Software), Kubernetes, Microservices Architecture, NET Framework, Software Development

Compensation

Compensation offered for this role is 100,000.00 - 170,500.00 annually and is based on experience and qualifications.

The candidate(s) offered this position will be required to submit to a background investigation.

Joining our team isn't just a job - it's an opportunity. One that takes your skills and pushes them to the next level. One that encourages you to challenge the status quo. One where you can shape the future of protection while supporting causes that mean the most to you. Joining our team means being part of something bigger - a winning team making a meaningful impact.

Allstate generally does not sponsor individuals for employment-based visas for this position.

Effective July 1, 2014, under Indiana House Enrolled Act (HEA) 1242, it is against public policy of the State of Indiana and a discriminatory practice for an employer to discriminate against a prospective employee on the basis of status as a veteran by refusing to employ an applicant on the basis that they are a veteran of the armed forces of the United States, a member of the Indiana National Guard or a member of a reserve component.

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To view the "EEO Know Your Rights" poster click "here". This poster provides information concerning the laws and procedures for filing complaints of violations of the laws with the Office of Federal Contract Compliance Programs.

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It is the Company's policy to employ the best qualified individuals available for all jobs. Therefore, any discriminatory action taken on account of an employee's ancestry, age, color, disability, genetic information, gender, gender identity, gender expression, sexual and reproductive health decision, marital status, medical condition, military or veteran status, national origin, race (include traits historically associated with race, including, but not limited to, hair texture and protective hairstyles), religion (including religious dress), sex, or sexual orientation that adversely affects an employee's terms or conditions of employment is prohibited. This policy applies to all aspects of the employment relationship, including, but not limited to, hiring, training, salary administration, promotion, job assignment, benefits, discipline, and separation of employment.

Allstate provides a comprehensive technology setup, including a laptop, monitors, headset, keyboard, and mouse. Employees eligible to work from home also receive a monthly connectivity reimbursement to help offset internet costs.

When working from home, you must have a dedicated, private workspace free from distractions, along with appropriate desk and seating. Reliable internet is required, with minimum speeds of 50 MB download and 5 MB upload.

To help create a more personal and engaging experience, we ask that you join with your camera on if your interview is virtual. Please also have a Valid Photo Identification available at the start of your interview. If you require any accommodations or have questions ahead of your interview please reach out to your recruiter.

Note: Internal candidates are only asked to join on video; a Valid Photo Identification is not needed for the interview.