We’re seeking a Senior/Lead Generative AI Developer to join our Core GenAI Team. This role is ideal for someone passionate about building AI-powered features, improving platform foundations, and experimenting with cutting-edge research and prototypes. You’ll work across product-facing initiatives as well as internal tools, helping shape how Generative AI is leveraged at Optibus.You will take a hands-on role in coding and system design while also mentoring other developers and guiding best practices for AI development. This position combines deep technical work with cross-functional collaboration to push the boundaries of how GenAI can improve both Optibus platform and the public transportation industry.Responsibilities<ul><li>Building &amp; Evolving GenAI Capabilities</li><li>Design, develop, and maintain backend infrastructure for AI-powered features (APIs, orchestration, LangChain/RAG pipelines, Agents orchestration and flow design, integrations with LLMs).</li><li>Collaborate with Product and Design to deliver AI-driven experiences in the Optibus platform, focusing on intuitive and impactful user interactions.</li><li>Explore and prototype new applications of Generative AI that can enhance public transportation planning, scheduling, and operations.</li><li>Ensuring Technical Excellence</li><li>Establish and promote best practices for AI development, evaluation, and monitoring in production environments.</li><li>Mentor and guide developers on the RnD and Product teams in adopting GenAI tools and patterns.</li><li>Drive experiments with emerging models, frameworks, and techniques to ensure the platform remains state-of-the-art.</li></ul>Cross-functional Collaboration<ul><li>Own and drive GenAI integrations into Optibus products, ensuring scalability, reliability, and performance.</li><li>Partner with Product Managers, Designers, and other engineering groups to align on requirements and technical feasibility.</li><li>Act as a thought partner across teams, identifying synergies and preventing redundant work.</li></ul> <ul><li>5+ years of professional software development experience, with at least 1+ years in Generative AI development in production.</li><li>Strong coding skills in TypeScript, Python, and Node.js.</li><li>Proven experience with LangChain/LangGraph, AWS, and React.</li><li>Practical experience integrating and scaling AI-powered features in production environments.</li><li>Familiarity with event-driven architectures, APIs, and cloud-native development.</li><li>Strong communication and collaboration skills, with the ability to mentor teammates and guide technical decisions.</li><li>Curiosity and drive to explore new GenAI technologies, frameworks, and approaches.</li></ul>Nice-to-haves<ul><li>Experience with vector databases (e.g., Pinecone, Redis, or Elasticsearch).</li><li>Knowledge of Kubernetes and cloud-native deployment strategies.</li><li>Experience with monitoring, evaluation, and observability for AI systems.</li></ul>Interview Process<ul><li>Initial screening with TA/HR partner</li><li>Phone call with the GenAI team (including a light knowledge check)</li><li>Two technical interviews:</li><li>Technical skills &amp; coding assessment</li><li>GenAI-specific deep dive</li><li>Home assignment</li><li>Interview with VP R&amp;D / Group Manager</li><li>HR Interview, references, and offer</li></ul> About Optibus:Optibus is a unified software platform revolutionizing public transportation planning, scheduling, and operations in over 8,000 cities worldwide. Using AI, ML, and optimization algorithms, it empowers agencies to design more efficient, equitable, and sustainable transit networks, enhancing passenger access, reducing emissions, and improving driver conditions. With offices globally and a team of 350+ employees, Optibus fosters a collaborative culture centered on innovation, determination, and impact. As the first unicorn in public transportation technology, Optibus is driving the modernization of mass transit to make it the preferred choice for cities and passengers alike.Why Join Optibus?<ul><li>Be part of a company revolutionizing public transportation with cutting-edge technology.</li><li>Collaborate with global teams passionate about sustainability and innovation.</li><li>Enjoy a dynamic and inclusive workplace culture that values growth and creativity.</li><li>We offer a hybrid work environment, with employees expected to be in the office 3 days a week. The remaining days can be worked remotely to support work-life balance and flexibility.</li></ul> <a href="https://optibus.com/" target="_blank">Optibus</a> is proud to be an equal opportunity employer. We hire talented individuals, regardless of gender, race, ethnicity, ancestry, age, disability, sexual orientation, gender identity or expression, cultural background, religious beliefs, or any other characteristic protected by federal, state, or local laws. It is our responsibility at Optibus to provide an inclusive and accessible interview experience for all. We will provide reasonable accommodations for all candidates in need of individualised support during the hiring process.

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