Software Engineer III

Zinnia; Alpharetta (GA); On-site; USD 100,000 - 120,000; Full time

Benefits offered by this job

Health/dental insurance

Parental leave

401(k)

Tuition reimbursement

Incentive/bonus opportunity

Job summary

Zinnia is looking for a Software Engineer to design, develop, and maintain software platforms for improving services and efficiency. You will work as part of a global team, developing innovative solutions that enhance the experience for clients and stakeholders.

The ideal candidate should have extensive experience with .NET technologies, AI capabilities, and cloud infrastructure. Join Zinnia to advance your career while working on cutting-edge technology in the insurance industry.

Qualifications

• 5-7 years of experience with Microsoft .NET.
• Practical experience with AI capabilities and LLM API integration.
• Hands-on experience in cloud infrastructure deployment on AWS.

Responsibilities

• Develop innovative software for internal stakeholders.
• Create and maintain Life & Annuity Exchange platforms.
• Provide ongoing support and enhancements to existing platforms.

Skills

AI integration

C#

ASP.NET Core

RESTful API

AWS

GitHub

Agile/Scrum

OAuth2 authentication

Tools

Visual Studio

Postman

React/Angular

KONG

JIRA

Redis Cache

Job description

WHO WE ARE:

Zinnia is the leading technology platform for accelerating life and annuities growth. With innovative enterprise solutions and data insights, Zinnia simplifies the experience of buying, selling, and administering insurance products. All of which enables more people to protect their financial futures. Our success is driven by a commitment to three core values: be bold, team up, deliver value - and that we do. Zinnia has over $180 billion in assets under administration, serves 100+ carrier clients, 2500 distributors and partners, and over 2 million policyholders.

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.
• 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 with the goal of retaining and growing talented team members. The salary range for this role is a good faith estimate; it is estimated based on what a successful candidate might be paid in certain Company locations. The salary range for this position is $100,000-$120,000. All offers presented to candidates are carefully reviewed to ensure fair, equitable pay by offering competitive salaries that align with the individual’s skills, education, experience, training, and geographic location. The range may vary above or below the stated amounts. 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.

We are an Equal Opportunity employer committed to a diverse workforce. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability.

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