Senior Software Engineer – Typescript

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 leader 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 organisations 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 succeed. Job Summary The Senior Software Development Engineer is responsible for the design, development and long-term technical health of business-critical applications and services. This role delivers complex technical solutions, provides technical leadership within the team, and contributes to architectural decisions and engineering best practices. 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 modern frontend and backend application development, including TypeScript/JavaScript, React and HTML/CSS. • 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 co