Senior Software Developer II - Enterprise Integration & API Services

Western & Southern Financial Group; Cincinnati (OH); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

401(k) with company match

Pension plan

Job summary

Western & Southern Financial Group is seeking an IT Senior Software Developer II to advance our cloud-native microservices and API ecosystem within the IT organization. You will contribute as a senior technologist, transforming legacy applications into scalable services and RESTful APIs, while leveraging Docker, AKS, and Azure services.

You will collaborate across teams to drive modernization, resilience, and observability using Elastic, Dynatrace/Datadog, and secure OAuth2/JWT communications.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or a related discipline.
• Strong hands-on experience with C# and .NET Core.
• Proven problem-solving skills and ability to collaborate in cross-functional teams.

Responsibilities

• Design and develop cloud-native microservices using C# (.NET Core) and Azure services such as AKS and Azure App Services.
• Modernize legacy .NET applications into scalable, distributed microservices architectures.
• Design and develop RESTful APIs using OpenAPI specifications and integrate with Azure API Gateway.
• Containerize applications using Docker and deploy to AKS or Azure App Services.
• Utilize MongoDB for document-based data storage.
• Implement secure service-to-service communication using OAuth 2.0 and JWT.
• Design for scalability, resiliency, performance, and high availability.
• Implement monitoring and logging using Elastic and related observability tools.

Skills

C#

.NET Core

Azure

Docker

REST APIs

OpenAPI

MongoDB

OAuth 2.0 / JWT

Education

Bachelor’s degree in Computer Science or related

Tools

Azure Kubernetes Service (AKS)

Azure App Services

Azure API Gateway

Cosmos DB

MongoDB

Elastic

Dynatrace / Datadog

Job description

Western & Southern Financial Group (W&SFG) is a Fortune 500 Financial Services company with a long history of strength and stability. We provide life and health insurance, annuities, mutual funds, and investment management products and services for millions of people through our member companies.

We are seeking an IT Senior Software Developer II to help drive the evolution of our Enterprise Services and API ecosystem within the Information Technology (IT) organization. Our IT teams build modern, scalable platforms that enable business growth and digital transformation across W&SFG. We prioritize cloud-native design, engineering excellence, and continuous improvement. This role offers the opportunity to work on high-impact, enterprise-scale initiatives while influencing technical direction and modernization strategy.

What would I do?

As an IT Senior Software Developer II, you will join the Enterprise Integration and API Services team, playing a key role in building and modernizing cloud-native microservices and APIs. You will act as a senior technical contributor and thought leader, collaborating across teams to accelerate the organization’s transition to modern, cloud-first architectures.

Key responsibilities include:

• Design and develop cloud-native microservices using C# (.NET Core) and Azure services such as Azure Kubernetes Service (AKS) and Azure App Services.
• Modernize legacy .NET applications into scalable, distributed microservices architectures.
• Design and develop RESTful APIs using OpenAPI specifications and integrate with Azure API Gateway.
• Containerize applications using Docker and deploy to AKS or Azure App Services.
• Utilize MongoDB for document-based data storage.
• Implement secure service-to-service communication using OAuth 2.0 and JWT.
• Design for scalability, resiliency, performance, and high availability.
• Implement monitoring and logging using Elastic and related observability tools.

Qualifications:

• Bachelor’s degree in Computer Science, Software Engineering, or a related discipline.
• Strong hands-on experience with C# and .NET Core.
• Proven problem-solving skills and ability to collaborate in cross-functional teams.

Preferred:

• Experience with DevOps practices and CI/CD pipelines.
• Familiarity with Microsoft Azure, including AKS, Azure App Services, and Azure API Gateway.
• Exposure to NoSQL databases such as Cosmos DB or MongoDB.
• Experience with observability platforms such as Dynatrace, Datadog, or Elastic.

Plus:

• Experience designing and building microservices architectures using Docker and Kubernetes.
• Strong understanding of web services, networking, and identity/access management.
• Experience supporting production workloads in Azure.
• Experience with Infrastructure as Code (IaC) frameworks.
• Knowledge of Azure Functions and serverless architectures.

You would enjoy a highly competitive benefits package that includes medical, dental, prescription, and vision coverage; long- and short-term disability; tuition reimbursement; a free fitness center; paid time off and holidays; a 401(k) plan with company match; and a defined benefit pension plan. Additional benefits include subsidized parking or bus subsidies, complimentary breakfast and lunch in our onsite café, and employee discounts.

Tell me about Western & Southern Financial Group

There’s never been a better time to become an associate!

• Financial Strength: A Fortune 500 company with over 130 years of success and a capital-to-asset ratio exceeding 19%.
• Supportive Culture: A collaborative, fast-paced environment with more than 50% of roles filled internally.
• Community Involvement: Over $50 million in donations and sponsorships throughout the Greater Cincinnati area over the past five years.

What's next?

If you’re looking to apply your engineering expertise at scale and help drive cloud modernization, apply today!