Software Engineer III

AmTrust Financial Services, Inc.; Cleveland (OH); On-site; USD 77,000 - 115,000; Full time

Benefits offered by this job

Medical & Dental Plans

Life Insurance

Health Care Flexible Spending Account

Dependent Care

401k Savings Plans

Paid Time Off

Job summary

AmTrust Financial Services, Inc. is seeking an experienced Software Engineer III to design, develop, test, and support enterprise-grade applications. You will work in an Agile environment with Product Owners, BAs, and Architects to translate business needs into scalable Microsoft-based solutions.

The role emphasizes leadership, code reviews, and mentoring while delivering secure, high-performing software across the organization.

Qualifications

• Bachelor’s degree or equivalent experience in a technical field.
• “5+ years of professional software development experience.”
• “Strong experience with C# and the Microsoft .NET platform.”
• “Experience building and supporting RESTful APIs and service-oriented applications.”
• “Experience with Angular and/or Blazor for modern web development.”
• “Strong knowledge of OOP, design patterns, and software architecture.”
• “Experience with Microsoft SQL Server and Git.”
• “Excellent communication and collaboration skills.”

Responsibilities

• Design, develop, implement, and maintain enterprise applications using C#, .NET, ASP.NET Core, and related Microsoft technologies.
• Develop and support modern web applications utilizing Angular, Blazor, and TypeScript.
• Design, build, and maintain RESTful APIs and service-based solutions.
• Analyze, troubleshoot, and resolve production issues and performance concerns.
• Enhance and modernize existing applications ensuring stability, security, and maintainability.
• Mentor junior developers and participate in code reviews and architectural discussions.

Skills

C#

.NET Framework

.NET Core / .NET 8+

ASP.NET Core

ASP.NET MVC

Web APIs

Entity Framework

LINQ

Education

Bachelor's degree in Computer Science/Information Systems/Software Engineering or related field

Tools

Angular

Blazor Server

Blazor WebAssembly

TypeScript

JavaScript

REST APIs

Job description

Overview

The Software Engineer III is an experienced full-stack software developer responsible for designing, developing, testing, implementing, and supporting enterprise‑grade applications and services. This role serves as a key contributor in the delivery of scalable, secure, and high‑performing technology solutions that support business objectives across the organization. Working within an Agile environment, the Software Engineer III collaborates closely with Product Owners, Business Analysts, Architects, and fellow engineers to translate business requirements into innovative technical solutions. The position requires strong expertise in modern Microsoft technologies, API development, cloud‑ready architectures, and front‑end frameworks including Angular and Blazor. The ideal candidate will demonstrate technical leadership through architecture discussions, code reviews, mentoring, and adherence to software engineering best practices. This role is expected to drive continuous improvement efforts while helping modernize existing applications and build next‑generation solutions. The Software Engineer III maintains a solid understanding of AmTrust's mission, vision, and values and upholds the standards and expectations of the organization.

Responsibilities

Application Development & Support

• Design, develop, implement, and maintain enterprise applications using C#, .NET, ASP.NET Core, and related Microsoft technologies.
• Develop and support modern web applications utilizing Angular, Blazor, and TypeScript.
• Design, build, and maintain RESTful APIs and service‑based solutions that support internal and external business processes.
• Analyze, troubleshoot, and resolve complex production issues, application defects, and performance concerns.
• Enhance and modernize existing applications while ensuring stability, scalability, security, and maintainability.
• Develop reusable components, services, and frameworks that promote consistency and efficiency across solutions.
• Ensure applications meet security, quality, performance, and compliance standards.
• Monitor application health and proactively identify opportunities for improvement.

Architecture & Technical Leadership

• Contribute to application architecture, technical design decisions, and technology roadmaps.
• Participate in code reviews and promote software engineering best practices, coding standards, and secure development principles.
• Evaluate emerging technologies and recommend improvements to existing systems and development processes.
• Collaborate with architects and senior technical leaders to implement scalable and sustainable solutions.
• Mentor junior developers and provide technical guidance across project teams. Data & Integration
  • Design and develop complex SQL queries, stored procedures, functions, and database objects to support application requirements.
  • Integrate applications with internal and third‑party systems through APIs, messaging, and service‑oriented architectures.
  • Support data validation, migration, and integration activities as required.

Collaboration & Delivery

• Work closely with Business Analysts, Product Owners, and stakeholders to understand requirements and provide technical solutions.
• Assist in project planning, effort estimation, and timeline development.
• Participate in Agile ceremonies including sprint planning, backlog refinement, daily standups, reviews, and retrospectives.
• Create and maintain technical documentation, including solution designs, API specifications, and operational procedures.
• Support deployment activities and continuous improvement initiatives across development teams.

Additional Responsibilities

• Stay current with industry trends, technologies, and best practices.
• Perform other duties and responsibilities as assigned.

Qualifications

Required Qualifications

• Bachelor's degree in Computer Science, Information Systems, Software Engineering, or a related technical field; equivalent experience may be considered.
• 5+ years of professional software development experience.
• Strong experience developing applications using C# and the Microsoft .NET platform.
• Experience building and supporting RESTful APIs and service‑oriented applications.
• Experience with Angular and/or Blazor for modern web application development.
• Strong knowledge of object‑oriented programming principles, design patterns, and software architecture.
• Experience with Microsoft SQL Server.
• Experience using source control systems such as Git.
• Strong analytical, troubleshooting, and problem‑solving skills.
• Excellent written and verbal communication skills.
• Ability to work independently while contributing effectively within a collaborative team environment.

Preferred Qualifications

• Experience with .NET 8+, ASP.NET Core, Entity Framework, and modern .NET development frameworks.
• Experience with Blazor Server and Blazor WebAssembly.
• Experience with Angular, TypeScript, and modern front‑end development practices.
• Knowledge of microservices architecture and distributed systems.
• Experience leveraging AI‑assisted development tools and technologies (e.g., GitHub Copilot, Microsoft Copilot, Azure OpenAI, or similar platforms) to improve software design, code quality, developer productivity, testing, documentation, and solution delivery.

Technical Skills

Programming & Development

• C#
• .NET Framework
• .NET Core / .NET 8+
• ASP.NET Core
• ASP.NET MVC
• Web APIs
• Entity Framework
• LINQ

Front-End Technologies

• Angular
• Blazor Server
• Blazor WebAssembly
• TypeScript
• JavaScript

Data Technologies

• Microsoft SQL Server
• Database Design
• Stored Procedures
• Query Optimization

Architecture & Integration

• REST APIs
• Service‑Oriented Architecture (SOA)
• Microservices
• Secure Application Design
• Design Patterns
• Object‑Oriented Design (OOD)

Work Environment:

This position operates in a fast‑paced Agile development environment and requires collaboration across business and technology teams to deliver innovative, high‑quality software solutions that drive business value.

The expected salary range for this role is (USD $76,600.00 - USD $115,000.00 Yr.)
Please note that the salary information shown above is a general guideline only. Salaries are based upon a wide range of factors considered in making the compensation decision, including, but not limited to, candidate skills, experience, education and training, the scope and responsibilities of the role, as well as market and business considerations.

What We Offer

AmTrust Financial Services offers a competitive compensation package and excellent career advancement opportunities. Our benefits include: Medical & Dental Plans, Life Insurance, including eligible spouses & children, Health Care Flexible Spending, Dependent Care, 401k Savings Plans, Paid Time Off.

AmTrust strives to create a diverse and inclusive culture where thoughts and ideas of all employees are appreciated and respected. This concept encompasses but is not limited to human differences with regard to race, ethnicity, gender, sexual orientation, culture, religion or disabilities.

AmTrust values excellence and recognizes that by embracing the diverse backgrounds, skills, and perspectives of its workforce, it will sustain a competitive advantage and remain an employer of choice. Diversity is a business imperative, enabling us to attract, retain and develop the best talent available. We see diversity as more than just policies and practices. It is an integral part of who we are as a company, how we operate and how we see our future.