Software Engineer III

Zinnia

$110K — $130K *
Finance & Insurance
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience with Microsoft .NET and complete software development lifecycle.
  • Hands-on experience with AI integration and LLM API technology.
  • Expertise in designing secure RESTful APIs and understanding of OAuth2 authentication.
  • Extensive experience in SQL Server database development and complex query writing.
  • Ability to manage AWS cloud infrastructure and applications.

Responsibilities

  • Develop innovative software solutions for Zinnia's stakeholders.
  • Create efficient and testable code for Life & Annuity Exchange platforms.
  • Provide ongoing support and improvements to existing software.
  • Collaborate effectively with global teams and internal stakeholders.
  • Work independently and on various projects, adapting to changing needs.

Benefits

  • Health/dental insurance
  • Parental leave
  • 401(k) plan
  • Incentive/bonus opportunities
  • Tuition reimbursement
Full Job Description
WHO YOU ARE

Software Engineer plays a key role in the design, development/configuration, unit testing, installation, and ongoing maintenance of Zinnia software platforms. Works with stakeholders to develop solutions and/or products that fulfill the needs of Zinnia's internal stakeholders and clients. Those solutions and/or products help Zinnia and Zinnia clients to be more efficient and provide better service to end customers. Software Engineer interacts directly with project managers and business stakeholders and may periodically interact directly with Zinnia's clients. Will facilitate, architect, and enable junior team members by acting as a mentor for soft skills and/or technical subject matter experts.

WHAT YOU'LL DO
  • Work as part of a global, cross-functional team to develop innovative software for Zinnia's stakeholders.
  • Contribute to projects by creating well-designed, customized, testable, and efficient code for Life & Annuity Exchange platforms.
  • Assist our teams in providing ongoing support, troubleshooting, improvements, or custom enhancements to existing Life & Annuity Exchange platforms.
  • Flexibility to support the challenging development and delivery needs of Zinnia
  • Collaborate with our global teams, internal stakeholders, and customers.
  • Ability to work in a fast-paced environment, recognize and react to changing business needs and effectively prioritize tasks
  • Must be self-motivated and able to work independently and in conjunction with team members and business units. Enthusiasm and flexibility to work on a variety of projects

WHAT YOU'LL NEED:
  • AI INTEGRATION: Practical hands-on experience embedding AI capabilities into production software including LLM API integration, prompt engineering and developing AI-adjacent features, actively deepening this expertise as a core part of a modern engineering toolkit.
  • Microsoft.NET (5-7 Years) deep, well-rounded expertise across the complete software development lifecycle using.NET technologies.
  • Consistently delivers end-to-end solutions from requirements gathering through production deployment within Agile/Scrum teams. Core stack: C#, ASP.NET Core, MVC, and Web API, utilizing Visual Studio IDE, SSRS, SOAP, XML, and GitHub.
  • Strong understanding of advanced design patterns, API-first design, and SOLID principles.
  • AWS (Cloud) Hands-on experience deploying and managing cloud infrastructure on AWS covering compute, storage, serverless, and observability.
  • Able to work independently across the cloud stack, moving beyond basic service consumption to support real engineering needs.
  • RESTful API Skilled in designing, building, and consuming secure RESTful APIs with a strong command of industry standards.
  • Well-versed in OAuth2 authentication, Open API/Swagger documentation, and API testing workflows using Postman.
  • Extensive experience in SQL Server database development, writing complex queries, stored procedures, performance tuning, data modeling, and supporting enterprise-scale applications.
  • Collaboration & Communication: Effective communicator with strong interpersonal and critical thinking skills.
  • Experienced working within cross-functional, global teams handling client communication, issue management, deployment support, and technical documentation with confidence.

BONUS:
  • Working experience on enterprise-level applications/products
  • Working experience in React/Angular, REACT, KONG, JIRA
  • Experience with Web-based software as a service (SaaS) application
  • Knowledge of Redis Cache for in-memory data structure storage and caching

WHAT'S IN IT FOR YOU?

Zinnia offers excellent career progression and competitive compensation. We offer great benefits, including health/dental insurance, parental leave, 401(k), incentive/bonus opportunity, tuition reimbursement, and so much more. We're looking for the best and brightest innovators in the industry to join our team. At Zinnia, you collaborate with smart, creative professionals who are dedicated to delivering cutting-edge technologies, deeper data insights, and enhanced services to transform how insurance is done. Visit our website at www.zinnia.com for more information. Apply by completing the online application on the careers section of our website.

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