Principal Software Engineer –C#/.Net,React

Introduction:

Are you searching for an opportunity to play a key role in driving the dramatic growth of a highly successful software company? 

At Poppulo, we’re working on what’s next in communications and workplace technology. As a pioneer in this industry, we understand that meaningfully reaching every employee is hard. And so is managing office space in a hybrid world. And so is improving the customer and guest experience. We exist to make each of these things easier. We exist to bring harmony to our customers. 

And we do that at enterprise scale. Our omnichannel employee communications, customer communications, and workplace experience platform is trusted by over 6,000 organizations today, reaching more than 35M employees and delivering content to 500,000+ digital signs.

We know there’s no such thing as a “perfect" candidate - we’re all a work in progress and are growing new skills and capabilities all the time. We encourage you to apply for a position with Poppulo even if you don’t meet 100% of the requirements. We believe in fostering an environment where there is a diversity of perspectives, in hopes that we can all thrive. 

The Opportunity

We are seeking a skilled Principal Software Development Engineer to join our Extensions & Adapters team within Data Integrations. In this role, you'll build and enhance plugins that expand the functionality of our Integration Framework. Your work will enable seamless data retrieval and transformation from a variety of third-party sources, facilitating efficient data handling for our customers. Experience or enthusiasm for AI technologies, especially Large Language Models (LLMs), generative AI, or agentic coding tools, is strongly preferred. 

Key Responsibilities: 

• Drive the migration and modernization of existing C#/.NET-based integration services to a contemporary web stack (TypeScript, NodeJS, React). 
• Develop, maintain, and enhance scalable integrations and APIs to facilitate seamless third-party data exchange. 
• Collaborate with product managers, architects, and frontend/backend engineers to ensure cohesive system functionality. 
• Design and build robust data adapters and integration components (Listeners, Actions, Endpoints). 
• Identify and implement performance improvements and optimization strategies for high data throughput. 
• Mentor team members, ensuring adherence to best practices in software development and architecture. 
• Participate actively in agile processes and foster a collaborative and innovative team culture. 
• Integrate and experiment with AI technologies, leveraging generative AI and Large Language Models to enhance data integration capabilities.

 Skill & Experience Requirements:

• Bachelor's degree in Computer Science or related field; Master's preferred. 
• 9+ years of software development experience, particularly in integration and data transformation. 
• Proven ability in migrating legacy systems to modern technology stacks. 
• Practical experience or strong enthusiasm for AI and generative technologies. 
• Strong experience with both C#/.NET and modern web technologies (TypeScript, NodeJS, React). 
• Proficiency in relational databases (MS SQL) and data integration methodologies. 
• Experience developing APIs and working with diverse third-party system integrations. 
• Familiarity with AWS cloud services and serverless architecture (preferred). 
• Knowledge of CI/CD practices, automated testing frameworks, and monitoring tools. 
• Interest or experience in AI technologies and generative AI models (LLMs, Cursor, Windsurf). 

Who We Are

We are a values-driven organization that encourages our employees to bring their authentic selves to work every day and empowers everyone to make a tangible impact on our products, clients, and culture. We offer a dynamic environment with driven, fun, and flexible individuals who thrive on challenge and responsibility. This is an opportunity to contribute to our culture and join a company that’s on the move.

We live the Poppulo values each day, as they are key to everything we do.

• Bring Your Best Self
  We show up authentically, are self-aware and always strive to be better.
• See it. Own it. Solve it.
  We proactively innovate and solve for our customers and each other. We set an example with high standards for our work. We foster a culture of learning, acknowledging our successes and our failures.
• Together We’re Better
  We value and celebrate our diversity. We learn from others, respecting their expertise, and focus on building trust. That's what makes us a team.

Named a Great Place to Work in 2015, 2016, 2017, 2018, 2019, 2020, and 2021, we are a fast-growing global technology company, with offices in Ireland, the US, and the UK.

Poppulo is an equal opportunity employer.

Named a Great Place to Work in 2015, 2016, 2017, 2018, 2019, 2020, and 2021, we are a fast-growing global technology company, with offices in Ireland, the US, and the UK.
Poppulo is an equal opportunity employer.
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