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  • Design, build, and optimize high-performance systems in Python supporting AI data pipelines and evaluation workflows
  • Develop full-stack tooling and backend services for large-scale data annotation , validation, and quality control
  • Improve reliability, performance, and safety across existing Python codebases

Python FastAPI Django Pydantic

20 jobs similar to Senior Python Full-Stack Engineer — AI Data & Infrastructure

Jobs ranked by similarity.

  • Design, build, and optimize high-performance systems in Python supporting AI data pipelines and evaluation workflows.
  • Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control.
  • Improve reliability, performance, and safety across existing Python codebases.

Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. They work on real production systems and high-impact research workflows across data, tooling, and infrastructure.

$104,000–$156,000/hr

  • Design, build, and optimize high-performance systems in Python supporting AI data pipelines and evaluation workflows
  • Develop full-stack tooling and backend services for large-scale data annotation , validation, and quality control
  • Improve reliability, performance, and safety across existing Python codebases

Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. They work on real production systems and high-impact research workflows across data, tooling, and infrastructure.

  • Design, build, and optimize high-performance systems in Python supporting AI data pipelines and evaluation workflows
  • Develop full-stack tooling and backend services for large-scale data annotation , validation, and quality control
  • Improve reliability, performance, and safety across existing Python codebases

Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. They work on real production systems and high-impact research workflows across data, tooling, and infrastructure.

US Europe

  • Design, develop, and deploy AI-driven applications to make our software more accessible.
  • Own the software from requirements development through deployment and maintenance.
  • Design, build, test, and deploy a scalable system architecture.

Epistemix empowers organizations to make smarter decisions by simulating real-world outcomes using synthetic populations.

$141,487–$184,800/yr
Europe

  • Design scalable, future-proof data platforms optimized for AI research workloads.
  • Build efficient self-serve data processing pipelines leveraging GCP's advanced services.
  • Implement guardrails for cost, quality, and performance.

AssemblyAI is at the forefront of Speech AI, creating powerful models for speech-to-text and speech understanding via an API. They're a remote team of startup veterans and AI researchers looking to build one of the next great AI companies.

$104,000–$156,000/hr

  • Design, build, and optimize high-performance systems in Rust supporting AI data pipelines and evaluation workflows
  • Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control
  • Improve reliability, performance, and safety across existing Rust codebases

Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. They focus on real production systems and high-impact research workflows across data, tooling, and infrastructure.

Join Zapier’s AI Tasks team, where you’ll own the core AI surfaces that make our customers’ workflows smarter. Collaborate with AI experts, product managers, designers, and platform engineers to bring LLM-native workflows to life. Build and refine user-facing features and interfaces for initiating, monitoring, and guiding agent behavior.

At Zapier, we build and use automation every day to make work more efficient, creative, and human.

  • Design, build, and optimize high-performance systems in C++ supporting AI data pipelines and evaluation workflows.
  • Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control.
  • Improve reliability, performance, and safety across existing C++ codebases.

Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. They work on real production systems and high-impact research workflows across data, tooling, and infrastructure.

US Canada 11w maternity

  • Build FastAPI services, Pydantic models, evaluation tooling, integrations with device APIs, and guardrails to keep responses safe and useful.
  • Drive implementation for Phase 2 of the AI Sleep Chat targeting Q2 2026.
  • Translate voice/text commands into device API calls, design and implement multi-agent architecture for command processing pipeline.

At Hatch, they’re on a mission to help people build better sleep habits—so they can feel more focused, energized, and present in their lives.

$60–$90/hr

  • Evaluate AI-generated code across the full stack.
  • Design and build full-stack tooling for AI data annotation and quality control.
  • Review complex system designs providing feedback on scalability and performance.

Alignerr partners with leading AI research teams and labs to build and train cutting-edge AI models. The company offers hourly contract positions, emphasizing innovation and collaboration within the AI field.

$104,000–$156,000/hr

  • Design, build, and optimize high-performance systems in Rust supporting AI data pipelines and evaluation workflows.
  • Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control.
  • Improve reliability, performance, and safety across existing Rust codebases.

Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. They work on real production systems and high-impact research workflows across data, tooling, and infrastructure.

Global

  • Work with teams to modernize platform components and refactor legacy code.
  • Improve APIs, frontend, backend, and CI/CD; ensure observability and security.
  • Establish AI-assisted development guardrails and champion these practices.

Gcore provides infrastructure and software solutions for AI, cloud, network, and security. They power real-time communication, streaming, enterprise AI, and secure web applications, with over 550 professionals globally and 210+ edge locations.

Europe 4w PTO

  • Explore and preprocess raw, messy datasets and design data strategies.
  • Prototype model ideas and translate prototypes into production.
  • Collaborate with cross-functional teams to turn ideas into impactful features.

Hostinger is shaping the future of online success powered by AI and driven by people with over 4 million clients in 150 countries.

3w PTO

  • Design and implement full-stack features using Next.js/TypeScript + FastAPI.
  • Integrate LLMs into product workflows; craft and refine prompts optimized for iterative feedback, reliability, and scalability.
  • Work closely with product and design to test ideas and ship fast POCs → MVPs

Taroko Software is a fast-growing venture studio with roots in Taipei City and a bold vision inspired by Silicon Valley startup culture.

$160,000–$190,000/yr

  • Design, implement, and deploy AI-powered features, including model training, fine-tuning, and prompt engineering workflows.
  • Translate product requirements into robust, production-ready AI solutions, working with Product Managers, Software Engineers, and Data Scientists.
  • Optimize models and infrastructure for scalability, latency, and cost efficiency, partnering with DevOps and MLOps to ensure reliable and maintainable AI pipelines.

Paper is reimagining how schools support students so that every learner can reach their full potential.

Europe 4w PTO

Lead and mentor a team of AI engineers, providing coaching and performance feedback. Oversee the delivery of AI-powered product features, from prototypes to scalable production systems. Collaborate with Product, Design, and Data teams to ensure AI solutions are impactful and aligned with business goals.

Hostinger is shaping the future of online success powered by AI and driven by people, providing tools that help individuals and small businesses succeed online faster and easier.

$120,000–$150,000/yr

  • Architect, build, and deploy LLM-powered applications that augment and automate key workflows.
  • Design autonomous AI systems that can execute technical analysis, testing, troubleshooting, and decision-making at scale.
  • Develop AI-driven tools that create measurable business impact — improving efficiency, accelerating innovation, and driving revenue growth.

Sierra Studio connects talented Brazilian professionals with exciting career opportunities in a highly-vetted small community of growing companies in the US. They specialize in enabling merchants, consumers, and partners to operate with flexibility, intelligence, and trust with over 250 people.

LATAM

  • Design and deliver core functionality for a large-scale web application.
  • Lead architectural planning and create technical proposals.
  • Develop and maintain complex UI components, including CKEditor integrations and DocX formatting workflows.

At South Geeks, we connect top LATAM engineers with global teams that value autonomy, technical excellence, and long-term collaboration.

  • Design, build, and optimize high-performance systems in C++ supporting AI data pipelines and evaluation workflows
  • Develop full-stack tooling and backend services for large-scale data annotation , validation, and quality control
  • Improve reliability, performance, and safety across existing C++ codebases

Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. They work on real production systems and high-impact research workflows across data, tooling, and infrastructure.

  • Design, build, and optimize high-performance systems in Rust supporting AI data pipelines and evaluation workflows
  • Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control
  • Improve reliability, performance, and safety across existing Rust codebases

Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. They work on real production systems and high-impact research workflows across data, tooling, and infrastructure.