Senior Software EngineerLocation:Ireland,Midlands Innovation and Research Centre, Dublin Road,AthloneType:Full-timeTeam:R&DReports to:Head of Engineering About the RoleAs a Senior Software Engineer at Bertie ), you'll lead key projects across our AI-first venture development platform, help shape our architecture, design/build AI Agents and mentor peers. You'll build and scale features across our stack—from React-based interfaces to, TypeScript and Azure. We're remote-first, async-heavy, and proud of our collaborative, documentation-driven culture. ResponsibilitiesArchitect, develop, and maintain core features across our web and backend platforms.Lead technical design reviews and participate in roadmap planning.Mentor junior developers and contribute to onboarding.Experiment with and integrate AI capabilities (OpenAI, LangChain, etc.) for real user impact.Ensure quality through testing (Vitest), code reviews, and secure practices.Collaborate closely with Product, Design, and other Engineering peers via Confluence, Jira, and Slack. Qualifications5+ years of experience in full-stack development + React).Strong command of TypeScript, networking protocols (HTTP(S)/RESTful web services/GraphQL), and relational databases (PostgreSQL).Familiarity with modern frameworks, and deployments using cloud services.Experience about building secure cloud applications.Passion for AI and experience integrating tools like OpenAI APIs, LangChain, or similar.Excellent collaboration, communication, and remote working skills.Experience mentoring or leading small teams. Nice to HavePrevious startup or fast-paced environment experience.Contributions to OSS or technical writing.