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Canada 3w PTO

  • Design, develop, and maintain end-to-end features for Cresta’s no-code processing platform.
  • Build intuitive UI components and visual editors for configuring conversation logic and workflows.
  • Architect and implement backend services and APIs to power a dynamic no-code interface.

React Python Go Typescript RESTful APIs

20 jobs similar to Senior Full Stack Engineer - QM & Coaching

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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.

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.

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.

US

  • Build early creator onboarding, profile, and campaign-related flows.
  • Implement frontend components and backend endpoints for first-party workflows, supporting the core experiences needed for the Alpha Launch.
  • Support API integration and early BFF patterns for the platform services.

Beast Industries is a multifaceted media and entertainment company founded by Jimmy Donaldson, popularly known as MrBeast, the most watched person in the world.

$155,656–$225,160/yr
Global

  • Build cutting-edge features for Poe, focusing on enhancing the Developer API and enabling third-party developers.
  • Prototype and implement new product features from ideation to production, using modern web technologies.
  • Collaborate with cross-functional teams to create innovative features and developer experiences with our APIs.

Quora’s mission is to grow the world's collective intelligence through Quora and Poe platforms.

US

  • Develop and maintain the client web application and data-driven user interfaces, ensuring architectural integrity and reliability.
  • Design backend architecture and implement services across AWS Glue, Redshift, DynamoDB, API Gateway, SQS, and Cognito.
  • Collaborate with the Product Manager to translate product requirements into actionable technical specifications.

Truelogic is a leading provider of nearshore staff augmentation services headquartered in New York. Their team of 600+ highly skilled tech professionals, based in Latin America, drives digital disruption by partnering with U.S. companies on their most impactful projects.

6w PTO

Design, build, ship and maintain scalable features for the agentic chat loop in North. Take end-to-end ownership of features — from initial design and planning, through implementation, testing, and delivery. Collaborate closely across teams, maintaining high standards for communication, documentation, and testing.

Cohere is training and deploying frontier models for developers and enterprises who are building AI systems to power magical experiences.

US Unlimited PTO

  • Build AI-focused user interfaces.
  • Own the frontend architecture and component library.
  • Create responsive, accessible experiences.

Mento is a career technology company that helps people be exceptional and thrive at work through human, AI, and software-based coaching. They strive to create a fun, conscientious, collaborative, and supportive work environment and are a US-based, remote-first company, backed by leading VCs and angel investors.

Europe 6w PTO

Help shape 0→1 products where AI meets commerce. Architect and implement full-stack features using Next.js. Partner closely with product, design, and growth to rapidly test hypotheses and ship improvements.

At ablefy, we believe that passion can turn into a career for anyone! With our cloud-based SaaS platform solution, ablefy.io, we offer an easy and efficient way for everyone to create and sell digital products and online courses.

  • Build scalable backend services and APIs.
  • Create responsive dashboards and tools to manage automation systems.
  • Implement automation workflows to power real-time operations.

Base360.ai is an intelligent automation engine that connects data, orchestrates workflows, and powers large-scale operational systems.

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.

$94,016–$146,880/yr
Canada

  • Build and maintain functionality across a variety of different customer workflows, with full-stack exposure.
  • Participate in tech migration, refactoring, and modernization work, ensuring stability and performance improvements.
  • Collaborate closely with other teams to ensure APIs are robust and interoperable.

Jane is a team that's all about fostering growth, spreading delight, and serving our healthcare community, simplifying the lives of healthcare practitioners and patients daily.

$180,200–$252,300/yr
US

  • Define the technical architecture for Reddit’s prototyping ecosystem and lead the strategy for transitioning from static designs to interactive, data-driven experiments.
  • Architect and maintain a robust, web-based (React, Next.js) prototyping environment that allows for dynamic swapping of screens and journeys for scaled A/B testing.
  • Partner closely with UXR to drastically reduce the time-to-insight for complex product questions by automating testing and building tools for deploying quantitative tests.

Reddit is a community of communities built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet.

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.

$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.

Latin America

Join a rapidly growing team at Bluelight Consulting. Contribute to challenging and meaningful projects, developing high-quality applications. Collaborate with modern technologies and work alongside some of the best professionals in the industry.

Bluelight Consulting is a leading software consultancy dedicated to designing and developing innovative technology that enhances users' lives.

  • Design, develop, and maintain full-stack features using Python on the backend and React with TypeScript on the frontend.
  • Build and evolve backend APIs and services to support complex workflows and integrations.
  • Contribute to system architecture, ensuring scalability, security, and maintainability.

Our client builds digital platforms for local governments, helping modernize public-sector operations with secure, scalable web applications.

  • Review AI-generated responses and evaluate technical accuracy.
  • Provide expert feedback to train AI systems to write better code.
  • Work with various programming languages and coding challenges.

G2i connects subject-matter experts, students, and professionals with flexible, remote AI training work such as annotation, evaluation, fact-checking, and content review.

$88,200–$151,200/yr
Poland

Leads the AI roadmap from concept to production. Builds production-ready, accurate, and reliable AI agents. Continuously improves performance of AI solutions.

Symbe is an innovative business intelligence startup that automates business case creation for sales teams, helping them effectively demonstrate value.

$35–$100/hr

  • Build sandbox UIs that agents and RL actors will interact with.
  • Create tasks for built environments and programmatically validate task completion.
  • Take ownership of the entire task creation process for a given environment.

xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge.