The Senior Software Development Engineer leads technical design and implementation within their area, mentors other engineers, and helps ensure the systems they work on remain scalable, secure, reliable and maintainable.
Key Responsibilities
Software Development & Architecture
Design, develop, test and deploy complex software solutions.
Lead technical design discussions and guide implementation approaches.
Lead the delivery of complex features and solutions across multiple contributors.
Contribute to architectural decisions and identify technical risks.
Drive modernisation and technical debt reduction within assigned systems.
Ensure solutions are scalable, maintainable, secure and aligned with business requirements.
Product & System Ownership
Own the design, delivery and ongoing technical health of assigned systems and services.
Drive improvements in application scalability, performance and reliability.
Lead investigation and root-cause analysis of complex production issues.
Partner with DevOps and Platform teams to improve reliability, monitoring and observability.
Contribute to the continuous improvement of operational practices.
Technical Leadership & Engineering Excellence
Lead technical discussions and provide guidance during design and implementation.
Conduct code and design reviews and provide constructive technical guidance.
Mentor Software Engineers and support their technical development.
Champion high standards for code quality, testing, security and maintainability.
Contribute to improvements in engineering practices and development processes.
Facilitate knowledge sharing and cross-functional technical problem solving.
AI-Enabled Engineering
Use AI-assisted development tools across coding, testing, debugging, documentation and code review to improve engineering productivity and quality.
Demonstrate practical experience with AI coding assistants and agentic development workflows, using them effectively to understand existing code, troubleshoot problems and accelerate solution development.
Apply strong engineering judgement when reviewing AI-generated output, ensuring solutions meet expected standards for quality, security, performance and maintainability.
Actively adopt and promote effective AI-enabled development practices within the team.
Collaboration
Collaborate closely with Product Management, Architecture, Support, DevOps and other Engineering teams.
Provide technical input during planning, estimation and execution.
Communicate technical decisions, risks and trade-offs clearly to relevant stakeholders.
Education / Experience
Bachelor's degree in Computer Science, Software Engineering or a related field, or equivalent practical experience.
7+ years of professional software development experience.
Strong TypeScript fluency with significant experience building production web applications and services.
Strong experience with full-stack application development, including Node.Js, TypeScript/JavaScript, React
Strong experience designing and supporting scalable production systems.
Experience with relational databases such as MySQL or equivalent.
Experience with Docker, including container usage and basic troubleshooting.
Good understanding of networking concepts relevant to modern web and distributed applications.
Strong system design, troubleshooting and analytical skills.
Experience leading technical projects and mentoring engineers.
Strong communication and stakeholder management skills.
Preferred Qualifications
Experience with cloud platforms, serverless applications and distributed systems, ideally Azure/Azure Functions or comparable technologies such as AWS Lambda.
Familiarity with event-driven architectures, messaging and asynchronous processing, including Service Bus or equivalent technologies.
Familiarity with NoSQL and caching technologies, such as MongoDB and Redis.
Experience with CI/CD, application security, observability and modern software delivery practices.
Experience with Kubernetes and modern UI/design systems such as Material UI/MUI or equivalent.
Exposure to PHP/AngularJS is beneficial for working with existing platform components; Java or C# experience is a plus.
Who We Are
We are a values-driven organisation 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.
We are committed to protecting your privacy. For details on how we collect, use, and protect your personal information, please refer to our Job Applicant Privacy Policy. Please also review AI in Our Hiring Process for information on our approach to AI in hiring and guidance for candidates.
