Source Job

Canada

  • You will design, develop, and optimize shared technologies that enable product teams to deliver exceptional digital experiences.
  • You will contribute to platform architecture, improve engineering workflows, and help maintain reliable, scalable systems across web and mobile ecosystems.
  • You will mentor teammates through code reviews, pairing sessions, and knowledge sharing.

JavaScript TypeScript React GraphQL Node.js

20 jobs similar to Senior Full Stack Engineer, Client Platform

Jobs ranked by similarity.

US

  • Design and evolve GraphQL schemas for server-driven UI across mobile and web clients.
  • Build front-end applications and shared libraries with React and TypeScript, ensuring performance and accessibility.
  • Mentor teammates through code review, pairing, and documentation, while taking part in design and architecture discussions.

We are North America’s leading provider of integrated entertainment, sports content, and casino gaming experiences. We are committed to supporting career growth and expanding skills, with locations throughout North America.

Poland

  • Improve the product experience by delivering high-quality features across the full stack.
  • Develop secure, well-tested, performant features using React Native, React, GraphQL, and backend integrations.
  • Own features end-to-end from requirements clarification through design, implementation, testing, release, and production verification.

Aura is on a mission to create a safer internet with a category-defining suite of intelligent digital safety products that protect millions of customers. With over 400 employees worldwide, the company is led by a team that has successfully grown startups into multi-billion dollar organizations.

$102,930–$144,540/yr
Canada

  • Build and implement new product features for frontend and backend using React, TypeScript, Golang, and Node.js.
  • Own end-to-end consumer-facing claim experiences, including storefront integrations and embeddable widgets.
  • Uphold code quality standards, mentor teammates through code review, and contribute to CI/CD and GCP infrastructure.

Narvar is a platform that drives customer loyalty through seamless post-purchase experiences for retailers. With 1300+ brand partners, including Nike and GameStop, and hubs across the globe, the company fosters an innovative and inclusive culture.

$109,500–$146,000/yr
Canada

  • Build mobile-responsive user interfaces with React and TypeScript, shipping high-quality code from day one.
  • Own frontend architecture decisions, including component design, state management, and performance optimization.
  • Set frontend engineering standards and mentor other engineers on best practices, code quality, and reusable component design.

Hiive is redefining how private companies and their shareholders access liquidity. Recognized as one of Canada's fastest-growing companies and backed by leading U.S. investors, Hiive is profitable and building a high-performance team.

$140,000–$220,000/yr
US

  • Develop frontend and backend features for Akash Console
  • Build and maintain public APIs and SDKs for partners
  • Work on automated tests and CI/CD automation

Akash Network is developing the world’s first decentralized cloud computing marketplace, enabling any data center to become a cloud provider by offering unused compute cycles. They are a remote-first, distributed team of open source and blockchain developers from leading technology companies.

Europe

  • Design and implement full-stack features using Node.js, React, and React Native.
  • Own the mobile app end-to-end, working directly with engineering and product leadership.
  • Contribute to a consumer-first, test-driven development culture with A/B testing and PLG.

SimpleStudy is a consumer AI platform for exam preparation, described as 'Duolingo for exam prep.' The company is post-seed with 1.5M+ students, ~20 people, lean and product-obsessed.

US

  • Architect and build scalable full-stack features for a 3D visualization platform.
  • Lead code reviews and establish engineering standards to inspire the team.
  • Design and optimize RESTful APIs, database schemas, and rendering pipelines.

Homekynd is a trailblazer in spatial intelligence for enterprise retail, focused on building a dynamic 3D visualization platform. The company fosters a culture of engineering excellence and collaboration, though specific size and employee details are not provided.

US

  • Define front-end architecture and technical strategy for complex UI systems using React, Angular, Next.js, TypeScript.
  • Lead back-end development and API architecture, integrating systems with Node.js, Python, PostgreSQL, MongoDB.
  • Drive monitoring, observability, and reliability practices while mentoring engineers and setting engineering standards.

Robots & Pencils is an applied AI engineering firm building AI co-workers for enterprise operations. Founded in 2009 with delivery centers globally, we are a smaller, faster, senior team averaging 15+ years of experience, known for being a nimble alternative to traditional systems integrators.

$140,000–$155,000/yr
US Unlimited PTO

  • Design and build full stack applications using React, Node.js, TypeScript, and AWS technologies to power secure web and mobile experiences.
  • Contribute to architectural decisions and implement event-driven solutions to improve scalability and reliability.
  • Take ownership of features from design through deployment, ensuring operational excellence and collaboration with product and design teams.

NetDocuments is the world’s #1 trusted cloud-based content management and productivity platform that helps legal professionals do their best work. The company has been named among Inc. Magazine’s 5000 Fastest-Growing Private Companies in America and is a five-time Top Workplace in the US.

Europe

  • Design, develop, and maintain modern frontend features using React, TypeScript, and GraphQL.
  • Collaborate closely with product managers, UX/UI designers, backend engineers, and fellow developers to deliver impactful enhancements.
  • Take ownership of features from discovery through deployment, contributing to technical discussions and best practices.

This partner builds a highly technical SaaS platform that simplifies and automates complex infrastructure workflows. They foster a remote-first, collaborative engineering culture focused on continuous improvement and engineering excellence.

$170,000–$200,000/yr
Canada Unlimited PTO

  • Design, develop, and deliver high-quality fullstack web solutions covering major product features end-to-end.
  • Work cross-functionally with engineers, product managers, and customer success, with close feedback loops from users.
  • Optimize the Northbeam dashboard for speed, reliability, and performance, while contributing to technical documentation.

Northbeam builds an advanced marketing intelligence platform for eCommerce brands, offering attribution modeling and dashboards. The company is experiencing rapid growth, has strong product-market fit, and values personal growth and excellence in a remote-friendly environment.

LATAM

  • Design and develop scalable, secure server-side components, APIs, and front-end interfaces using React, TypeScript, and Node.js.
  • Build and maintain services on AWS and Kubernetes, ensuring compliance with HIPAA, SOC 2, and HITRUST.
  • Collaborate cross-functionally with product, design, and DevOps teams in agile sprints, writing clean, tested code.

Blue Coding specializes in hiring excellent developers from Latin America for cutting-edge companies in the United States and Canada. With over 150 engineers and other professionals distributed across more than 10 countries, we are a fully remote, culturally diverse company committed to honesty, fairness, and cooperation.

$115,000–$195,000/yr
US Canada Unlimited PTO

  • Design, develop, and maintain features across the stack with a focus on scalable architecture and performance.
  • Write clean, efficient, well-documented code in TypeScript/JavaScript, contributing to React Native mobile app and backend services.
  • Participate in technical design discussions, lead by example through code reviews, and mentor early-career engineers.

Roo is a veterinary staffing platform that connects animal healthcare professionals with animal hospitals for relief work and hiring. They have a network of over 20,000 veterinary professionals and serve 9,000 animal hospitals, with a culture of bias to urgency and measurable impact.

$120,000–$160,000/yr
Global

  • Own the planning, design, implementation, and testing of mission-critical full-stack features.
  • Gain deep understanding of the cannabis industry, its supply chain, and customers' nuanced workflows.
  • Work closely with product managers, designers, and customer support to shape and deliver projects end-to-end.

Distru is the #1 ERP in the Cannabis Industry with $3B in annual sales processed through our platform. We are a fully remote and global team building a software platform to streamline the supply chain for the cannabis industry.

$137,000–$217,000/yr
US Unlimited PTO

  • Full stack product development with a lean towards backend, building and maintaining GraphQL APIs with Python and web/mobile experiences with React & React Native.
  • Lead ambiguous projects, write technical plans, and serve as the responsible individual for engineering on roadmap commitments.
  • Mentor other engineers, contribute to cross-team engineering forums, and participate in on-call duties.

Modern Health is a mental health benefits platform for employers, offering one-on-one, group, and self-serve digital resources for emotional, professional, social, financial, and physical well-being. The company has raised over $170 million and is the fastest entirely female-founded company in the U.S. to reach Unicorn status, with a culture of high empathy and high accountability.

$170,000–$200,000/yr
Canada Unlimited PTO 12w maternity 12w paternity

  • Lead the design, development, testing, and delivery of fullstack web applications using modern TypeScript technologies.
  • Build and maintain product features across both frontend and backend systems, taking ownership from concept through production release.
  • Develop and enhance data-driven dashboards and user experiences that support business intelligence and analytics capabilities.

Our partner is a fast-growing technology environment building impactful products that help businesses make smarter decisions through advanced data solutions. This is a remote-friendly company that values autonomy, continuous learning, and high-quality software development.

Global

  • Build and maintain features across React/TypeScript frontend and NestJS/TypeScript backend, including UI, REST APIs, and data layers.
  • Design client-server architecture with state management, routing, authentication, real-time WebSocket updates, and AWS SQS background job processing.
  • Collaborate on integration between web app and LLM-based agents for message schemas, queue communication, and file/data handoff.

InsightRX builds a platform combining web applications with conversational AI to support pharmacokinetic/pharmacodynamic analysis and clinical trial workflows. Their team focuses on pharmaceutical R&D decision-making tools, though no specific size or culture data is provided.

Global

  • Lead the design and delivery of complex, cross-cutting features spanning APIs, data models, and UI while mentoring mid-level engineers to raise the overall engineering bar.
  • Drive technical direction for new payments capabilities, including architecture trade-offs, operational feasibility, and risk assessment across a cloud-native orchestration platform.
  • Use AI-assisted development tools effectively and contribute to incident response, root-cause analysis, and platform reliability in a 100% remote team.

Xplor Technologies provides modern vertical software, embedded payments, and AI-powered capabilities for membership-based and service-based industries. With over 130,000 businesses in 72+ countries and $47 billion in annual payment volume, the company fosters a values-driven, inclusive culture focused on innovation and collaboration.

$120,000–$160,000/yr
US

  • Scope ambiguous customer asks, prototype quickly, and iterate into stable customer deployments using Tailor's platform.
  • Productize repeatable solutions, turning bespoke implementations into scalable modules for accounting, e-commerce, and logistics.
  • Build and ship production-grade features across the stack, from front-end UIs to backend APIs, integrations, and data models.

Tailor pioneers Headless ERP technology, helping growing companies design internal workflows that fit their business. They are a remote-first early-stage company building adaptive, composable infrastructure for multi-channel retailers, manufacturers, and B2B businesses.

US

  • Drive large-scale technical initiatives from concept through production.
  • Ship AI-native product experiences leveraging LLMs and agent frameworks.
  • Lead system design and shape engineering standards for an AI-native codebase.

Luxury Presence builds an AI growth platform for real estate professionals. It is a Series C company backed by Bessemer Venture Partners, with over $100M in annual recurring revenue and a global team.