Senior Full Stack AI Engineer

Toptal
Published on July 24th, 2026

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Job Description

(image removed)


Headquarters: Remote

URL: https://www.toptal.com/ (link removed)




Summary:



We are looking for a Senior Full Stack AI Engineer to design, build, and scale production-grade applications powered by generative AI. This role is focused on delivering real products, not just prototypes. The ideal candidate is a strong end-to-end builder who can make sound architectural decisions, integrate AI capabilities into usable systems, and balance fast delivery with long-term maintainability.


 



General Information:



This is a senior engineering role for someone who can own product development from architecture through deployment. The role requires strong full stack engineering fundamentals combined with hands-on experience integrating generative AI into production workflows. The right candidate understands how to build scalable backend services, intuitive frontends, and reliable AI-enabled features that serve real users. This person should bring strong product thinking, architectural judgment, and the ability to move independently from requirements to shipped solutions.


 



Tasks and deliverables:






  • Build end-to-end applications that incorporate generative AI capabilities into real user workflows




  • Develop scalable backend services, APIs, and integrations using modern engineering practices




  • Build responsive and maintainable frontend experiences using modern frameworks




  • Design modular system architectures that support scalability, reliability, and long-term maintainability




  • Integrate LLMs and other AI tools into production applications with appropriate safeguards and monitoring




  • Optimize prompt flows, data pipelines, and system interactions for consistency and performance




  • Translate business requirements into technical solutions and make strong implementation trade-offs




  • Own features from ideation through development, testing, deployment, and iteration




  • Reuse and adapt proven solutions where appropriate to accelerate delivery




  • Continuously improve product quality based on performance data, feedback, and operational learnings



 



Required Experience:






  • Strong full stack engineering experience, ideally 5+ years




  • Proficiency in backend development with technologies such as Node.js, Python, or similar




  • Strong frontend experience with frameworks such as React or comparable modern tools




  • Experience building and consuming APIs, working with databases, and deploying on cloud platforms




  • Hands-on experience integrating generative AI into production applications




  • Practical understanding of prompt engineering and AI system limitations, including failure modes and edge cases




  • Proven ability to design systems that scale beyond MVP and remain maintainable over time




  • Strong understanding of software architecture, system design, and engineering best practices




  • Demonstrated experience shipping multiple production-grade products or platforms




  • Ability to combine traditional software engineering discipline with modern AI-driven workflows




  • Experience working independently with strong ownership and product mindset



 



Engagement highlights:






  • Opportunity to build impactful AI-powered products used in real production environments




  • High ownership across architecture, implementation, and delivery




  • Role suited for engineers who enjoy both product thinking and technical depth




  • Chance to shape scalable systems early and influence long-term engineering quality




  • Fast-paced environment with a strong emphasis on execution and practical outcomes




  • Meaningful work at the intersection of full stack engineering and applied AI




To apply: https://weworkremotely.com/remote-jobs/toptal-senior-full-stack-ai-engineer (link removed)

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