Senior Full-Stack AI Engineer

About the Role

We’re looking for a brilliant, creative, fun-loving Senior Full-Stack AI Engineer to pair with data scientists and work solely for the purpose of embedding intelligence (LLM, Agents) into huge scale consumer experiences.

Key Responsibilities 

• Lead and own full-cycle AI development to impact millions of people
• Own data and AI products end-2-end from research to production to operation
• Make sure that ideas go into production in a safe, reliable and scalable manner
• Pair with data scientists from the brainstorming sessions and forward
• Work closely with product & UX to define and build data and AI products that are fun and easy to use
• Design system architectures, select/evaluate tools
• Drive the integration of agents and LLM-powered features into core products
• Implement prompt engineering best practices and help build a centralized prompt management system to support various user flows
• Develop evaluation pipelines for testing, validating, and continuously improving LLM-generated outputs

Experience

• 6+ years of software engineering experience building production-level web applications in large-scale products
• 4+ years of experience building reactive web & mobile-web frontends using React/Next/Angular/Vue over TypeScript/JavaScript
• 4+ years of experience with Python as a proper microservice backend
• Experience working with LLMs in production including evaluation, and iteration on feedback
• Passion for clean code and agile work
• Experience with modern cloud environments (GCP, AWS)
• Familiarity with prompt engineering, vector databases, and RAG
• Bonus: Working with frameworks such as LangGraph, LangChain, LlamaIndex, or similar
• Bonus: gRPC, protobuf
• Bonus: Data engineering experience

About april

april is the only embedded, year-round tax platform built to power smarter financial decisions. From filing to planning to onboarding, april’s white-labeled tools bring real-time tax intelligence into the platforms people already use, helping users understand the impact of every paycheck, equity transaction, or income shift, and stay on top of tax payments throughout the year. Built to handle even the most complex tax situations, april’s AI-powered tax engine ingests data directly from partner apps to deliver accurate outcomes in record time—making tax planning and filing more connected, contextual, and accessible than ever. With API-first infrastructure and seamless data integrations, april helps partners deliver more value, deepen loyalty, and turn taxes into a strategic edge—for their clients and their business.