Senior Node.js Fullstack Engineer

Robots and Pencils

$120K — $150K *
Calgary, AB T1Y 7M8Remote in Calgary, AB
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 4-6 years of professional software engineering experience
  • Strong experience with Node.js
  • Experience building and maintaining fullstack applications across frontend and backend
  • Exposure to workflow orchestration tools
  • Solid understanding of API design and backend systems
  • Experience working with AWS and serverless architectures
  • Familiarity with SQL and/or NoSQL databases

Responsibilities

  • Build and maintain backend services using Node.js and serverless architectures
  • Develop and integrate APIs for frontend and external systems
  • Contribute to frontend features with modern state management and accessible UI patterns
  • Write clean, maintainable code with high test coverage
  • Support development and maintenance of workflows using orchestration tools
  • Contribute to performance optimization of services
  • Troubleshoot production issues with senior guidance

Benefits

  • Work within a mature production environment with real users
  • Collaborate closely with senior engineers and cross-functional teams
  • Opportunity to contribute to large-scale platforms for educational institutions
  • Participate in code reviews and team discussions
  • Take ownership of features, delivering end-to-end solutions
  • Ongoing technical skill development and learning opportunities
Full Job Description
We're looking for a Senior Fullstack Engineer to help build and maintain modern applications that integrate backend services, orchestration systems, and scalable APIs. You will work across the stack using Node.js, contributing to backend services and supporting frontend integrations while working within established architectures.

This is not a greenfield project. You'll be joining a mature, production environment with real users, where reliability, performance, and scalability are critical. You'll collaborate closely with senior engineers to enhance existing systems and deliver high-quality features.

What You'll Do

Fullstack Development
  • Build and maintain backend services using Node.js, including serverless architectures (e.g., AWS Lambda, API Gateway)
  • Develop and integrate APIs that support frontend applications and external systems, including institutional platforms and AI-driven services
  • Contribute to frontend features using modern state management (e.g., Redux Toolkit with slices, async thunks, memoized selectors) and accessible, interactive UI patterns such as drag-and-drop with keyboard and screen reader support
  • Write clean, maintainable, and well-tested code, maintaining high test coverage (90%+ across unit and integration tests)

Workflow & System Orchestration
  • Support the development and maintenance of workflows using orchestration tools (e.g., Sequencer / workflow engines, state machines)
  • Contribute to event-driven processes and asynchronous system operations (e.g., message queues, distributed workflows)
  • Assist in improving reliability through better error handling and retries

Backend & API Engineering
  • Develop RESTful APIs and support microservices architecture
  • Integrate with third-party services and internal systems, including large-scale institutional data platforms
  • Assist in optimizing performance and scalability of services using patterns such as NoSQL single-table design (composite keys, transactional writes)
  • Implement secure and reliable data handling practices

System Reliability & Support
  • Troubleshoot issues in production environments with guidance from senior team members
  • Contribute to logging, monitoring, and debugging efforts
  • Support deployment and release processes in cloud-native environments

Collaboration & Growth
  • Work closely with cross-functional teams across global locations, contributing to large-scale platforms such as next-generation degree planning systems for university partners
  • Participate in code reviews and team discussions
  • Take ownership of assigned features and tasks, delivering end-to-end solutions from UI to API to database
  • Continue developing technical skills and learning new technologies


Required Skills & Experience
  • 4-6 years of professional software engineering experience
  • Strong experience with Node.js
  • Experience building and maintaining fullstack applications, including delivering features end-to-end across frontend, backend, and data layers
  • Exposure to workflow orchestration tools (e.g., Sequencer or similar systems)
  • Solid understanding of API design and backend systems
  • Experience working with cloud environments (AWS preferred), including serverless architectures
  • Familiarity with databases (SQL and/or NoSQL, including scalable design patterns)
  • Experience working in production environments


Nice to Have
  • Experience with Python
  • Exposure to event-driven architectures
  • Familiarity with AWS services (Lambda, SQS, Step Functions, etc.)
  • Experience with CI/CD pipelines
  • Exposure to AI/LLM-based systems and data-driven platforms
  • Experience working in collaborative, distributed teams
  • Experience building user-centric platforms with modern, accessible frontend architectures

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