Sr Software Engineer - Full stack

Core Specialty Insurance Services, Inc.; Cincinnati (OH); Hybrid; USD 110,000 - 140,000; Full time

Benefits offered by this job

Medical, dental, vision, and life ins.

401(k) plan with company match

Health Savings Account

Flexible Spending Account

Employee Assistance Plan

Wellness program

Job summary

Core Specialty Insurance Services, Inc. is seeking a highly capable Full Stack Developer to design and maintain scalable web apps using .NET Core and modern frontend frameworks. You will work with Azure SQL, Cosmos DB, Terraform, and Docker to deliver cloud-native solutions.

Responsibilities include building robust backend services, dynamic UI components with Next.js/Angular/React, and leading DevOps practices with GitHub Actions and Jira. Hybrid work model in the U.S. is supported.

Qualifications

• Bachelor’s degree in CS or related field.
• 5+ years in full-stack development.
• 3+ years with Terraform.
• Proficient in .NET Core/C#, ASP.NET Web API, EF, LINQ.
• Strong experience with Next.js, Angular, or React; TS/JS; HTML5/CSS3.
• Hands-on Azure: App Services, Functions, Storage, Key Vault, DevOps, CI/CD, Docker.
• Experience with Azure SQL, Cosmos DB, PostgreSQL.
• Familiarity with unit/integration testing and Swagger/OpenAPI.
• Experience with Visual Studio, VS Code, Git, Azure DevOps, Jira, GitHub Actions.

Responsibilities

• Design, develop, and maintain scalable web applications.
• Build backend services using .NET Core/C# and RESTful APIs.
• Create dynamic UI with Next.js, Angular, or React and TypeScript/JavaScript.
• Integrate Azure SQL and Cosmos DB data stores.
• Implement cloud-native Azure solutions and secure deployments.
• Develop CI/CD pipelines and Docker-based deployments with Terraform.
• Collaborate with cross-functional teams and mentor teammates.
• Participate in Agile ceremonies and ensure code quality.

Skills

.NET Core/C#

REST APIs

Next.js

Angular

React

TypeScript/JavaScript

Azure SQL

Cosmos DB

Terraform

Docker

Azure Functions

Azure App Services

Key Vault

CI/CD

GitHub Actions

Jira

Confluence

Education

Bachelor’s degree in Computer Science or related field

Tools

Terraform

Docker

Job description

We are seeking a highly skilled Full Stack Developer to join our dynamic team. You will develop and maintain scalable web applications using modern frameworks and cloud technologies. This role requires deep expertise in backend development with .NET and frontend development using Next.js, Angular, or React. Experience with Azure SQL, Terraform and Cosmos DB are essential.

Key Accountabilities/Deliverables

• Design, develop and implement quality applications
• Design, develop, and maintain robust backend services using .NET Core/C# and RESTful APIs
• Build dynamic, responsive UI components using Next.js, Angular, or React with TypeScript/JavaScript
• Integrate and optimize data storage solutions with Azure SQL and Cosmos DB
• Implement cloud-native solutions leveraging Microsoft Azure (App Services, Functions, Key Vault)
• Ensure performance, reliability, and security of both backend and frontend components
• Collaborate with cross-functional teams to deliver high-quality software
• Contribute to technical planning
• Participate in Agile ceremonies and use tools like Jira/Confluence for project management
• Implement and manage CI/CD pipelines, containerized deployments (Docker), and Infrastructure as Code (Terraform)
• Conduct unit and integration testing
• Understand Azure resources like Azure Container Apps, APIM, blob storage, SQL, Key Vaults
• Build and maintain CI/CD pipelines and develop GitHub Actions workflows for code and Docker builds/deployments
• Integrate code linting, security scanning, approvals, and environment gates into pipelines
• Deliver scalable solutions in Microsoft Azure
• Translate business and application requirements into cloud-native and hybrid Azure solutions
• Ensure deployments are secure, scalable, and compliant with enterprise policies
• Work cross-functionally with developers, architects, operations, and security teams to deliver infrastructure aligned with application needs
• Review code, mentor team members, and promote DevOps best practices

Documentation & Knowledge Sharing

• Maintain comprehensive technical documentation, including architecture diagrams, deployment guides, CI/CD pipeline workflows, operational runbooks, and disaster recovery procedures
• Conduct internal knowledge-sharing sessions and training

Code Quality and Best Practices

• Conduct code reviews, enforce coding standards, and mentor junior engineers to ensure high-quality, maintainable code

Troubleshooting and Support

• Debug and resolve complex technical issues across the stack, including backend, frontend, and cloud infrastructure

Technical Knowledge and Understanding

Strong skills and experience in the Azure Core services stated below:

• Azure Container Apps
• Azure App Services (Web Apps, API Apps, Mobile Apps)
• Azure Functions (Serverless Compute)
• Azure SQL Database (Managed relational database)
• Azure Cosmos DB (NoSQL database for high scalability)
• Azure Storage (Blob, Table, Queue, File storage)
• Azure Key Vault (Secrets and key management)
• APIM
• Azure Monitor & Application Insights (Monitoring and diagnostics)
• Azure DevOps (CI/CD pipelines, release management)

CI/CD and Version Control

• Deep understanding of Git fundamentals: branching, merging, PRs, versioning
• Experience with GitHub Actions (or equivalents like Azure DevOps Pipelines)
• Building pipelines for application delivery, managing secrets and environment approvals, and integrating security scans and validations

Monitoring, Logging & Troubleshooting

• Proficient with Azure Monitor, Log Analytics, and Application Insights
• Troubleshooting skills using logs, metrics

DevOps & Software Lifecycle Understanding

• Familiarity with Agile/DevOps practices, CI/CD concepts, and Infrastructure Lifecycle
• Awareness of cloud-native and 12-factor app principles

Requirements

• Bachelor’s degree in computer science, Engineering, or related field
• More than 5+ years in full stack development roles
• 3+ years experience with Terraform
• Proficient in .NET Core/C#, ASP.NET Web API, Entity Framework, LINQ
• Strong experience with Next.js, Angular, or React; TypeScript/JavaScript; HTML5/CSS3
• Hands-on experience with Microsoft Azure (App Services, Functions, Storage, Key Vault, Azure DevOps), CI/CD, Docker
• Experience with Azure SQL, Cosmos DB, PostgreSQL
• Familiarity with unit/integration testing frameworks and API documentation tools (Swagger/OpenAPI)
• Experience with Visual Studio, VS Code, Git, Azure DevOps, Jira, GitHub Actions
• Applicants must be authorized to work for any employer in the U.S.
• We are unable to sponsor or take over work authorization sponsorship now or in the future for this position

Benefits

• Competitive salary and opportunities for professional development and advancement
• Medical, dental, vision, and life insurances
• Short and long-term disability
• Company-match of 100% of a 6% contribution 401(k) plan
• Employee Assistance Plan
• Health Savings Account
• Flexible Spending Account
• Health Reimbursement Account
• Wellness program

About Core Specialty

Core Specialty offers a diversified range of property and casualty insurance products for small to mid‑sized businesses. From underwriting offices spanning the U.S., the Company focuses on niche markets, local distribution, and superior underwriting knowledge, offering traditional as well as innovative insurance solutions to meet the needs of its customers and brokers. For further information about Core Specialty, please visit www.corespecialtyinsurance.com. In compliance with the Transparency in Coverage rule, issued in 2020 by US Departments of Health, Human Services, Labor and Treasury our health plan’s machine-readable files (MRFs) can be accessed via www.Cigna.com.

#LI-Hybrid - At Core Specialty, you will receive a competitive salary and opportunities for professional development and advancement.