About Flyboard We Make Voice AI Work. We ship production-ready agents that automate real sales and operations. builds and operates custom AI voice agents that automate high-volume, repeatable workflows across commercial and operational processes. Our customers include fast-moving SMEs, corporates, and mid-market leaders across Europe and LatAm. We are execution-obsessed, customer-ROI-driven, and deeply committed to operational excellence. Mission As a Software Engineer for the Core Platform, you will work closely with the founders and a still small engineering team to design, build, and scale the foundational technology that powers our AI voice agents. Your mission is to own the performance, reliability, and technical excellence of our core platform, ensuring seamless integration with the world's leading AI model providers. This role is highly hands-on, critical to our platform's scalability, and central to Flyboard's ability to deliver value at high volume. You will report directly to the Founding Team. What You Will Do Platform Development: Design and implement robust, scalable platform features for our core voice agent infrastructure.- API & Integration Ownership: Build, maintain, and optimize APIs for high-throughput, ensuring reliable integration with core model providers (OpenAI, Google, ElevenLabs, Anthropic, Amazon, etc.).- System Reliability: Optimize system performance, latency, and observability to ensure the core platform is stable and efficient under heavy load.- Developer Tooling: Develop and implement internal tooling and automation to streamline the work of our Operations and Delivery teams.- Deployment and Infrastructure: Improve our continuous integration/continuous deployment (CI/CD) pipelines and contribute to maintaining our cloud infrastructure (primarily AWS, with exposure to Azure and GCP).- Code Quality: Write clean and maintainable code in Python and contribute to frontend functionality in JavaScript when needed. Ideal Profile We are looking for someone driven, analytical, structured, and hungry to grow. You will thrive if you: Have at least2 years of experience in a fast-paced software development environment (we value potential and passion over exact time in role).- Demonstrate ability to build and operateproduction systems .- Have aSTEM background (e.G., Computer Science, Engineering, Mathematics) and enjoy working through complex, scalable platform problems.- Show strong critical thinking, discipline, and the ability to impose structure ontechnical challenges .- Are proficient inPython (backend) and have working knowledge of any of the main Frontend frameworks.- Have hands-on experience with cloud platforms, particularlyAWS , and an understanding of Azure and GCP.- Demonstrate experience developing with the help ofAI coding agents (e.G., Cursor, Codex, Claude Code), showcasing a modern, efficient, and forward-thinking development mindset.- Are curious, adaptable, andpassionate about AI , its applications, and technology in general.- Have experience implementingAI workflows or agents, being voice AI agents a plus. Why This Role Matters This role sits at the technical core of Flyboard's product. Your work directly impacts the speed, quality, and scalability of every AI agent we put into production. You will learn how to operate and scale cutting-edge AI systems, work closely with engineers and founders, and become a key contributor to our rapid growth. What We Offer A steep learning curve with direct exposure to founders and the initial team of a startup Real ownership from day one, with impact visible immediately in customer outcomes Technical ownership with architectural influence Exposure to problems that are challenging, not just operationally busy A dynamic, execution-driven environment with rapid iteration cycles Mostly on-site, with flexibility to WFH sporadically when needed Full-time indefinite contract