Top Full Stack Developer Jobs in Calgary

Principal Full Stack Software Engineer responsible for guiding technical direction, designing large-scale SaaS features, and building secure, reliable distributed systems. The role involves collaborating across product, design, and engineering; evaluating technical trade-offs; debugging team inefficiencies; contributing to code reviews and complex fixes; mentoring engineers; and improving engineering practices around testing, performance, security, privacy, and service operations.

Develop and deliver full-stack web and mobile application experiences across Affirm’s consumer products. Responsibilities include breaking projects into tasks, collaborating with product, design, and analytics teams, building and maintaining APIs and user interfaces, monitoring application availability, participating in on-call support, conducting code reviews, debugging, and contributing to interviews and team development.

Build and ship full-stack web applications and scalable APIs for Affirm’s advertising platform. Break projects into deliverable phases, collaborate with product, design, and analytics partners, write tested and extensible code, monitor service metrics, support on-call operations, review code, and contribute to engineering growth and hiring activities.

Leads the technical direction and implementation of large-scale SaaS product features. Designs and builds secure, reliable, maintainable enterprise solutions using microservices and distributed systems. Collaborates cross-functionally on product strategy, debugs team inefficiencies, performs code reviews, resolves complex bugs, and improves engineering practices around testing, performance, security, and privacy. Mentors and coaches engineers while identifying organizational blockers and redundant efforts.

Lead the architecture and delivery of GitLab’s data products, including near-real-time data ingestion, knowledge graph integrations, data marketplaces, observability, and data-sharing APIs. Translate ambiguous 0-to-1 initiatives into roadmaps, resolve cross-team dependencies, ensure operational readiness across deployment surfaces, and mentor engineers. The role requires deep full-stack expertise, technical leadership, and experience with AI-powered orchestration and multi-tenant SaaS systems.

Own the application end to end across React, Node.js, SQL, APIs, integrations, deployment, and production support. Design and implement scalable solutions, troubleshoot complex issues, make architecture and performance decisions, review code, mentor engineers, address technical debt and security concerns, and collaborate across Product, QA, DevOps, and Architecture throughout the SDLC.

Build and operate end-to-end full-stack features for Loom billing, subscriptions, integrations, and platform migrations. Develop responsive React interfaces, scalable backend APIs and microservices, payment and identity integrations, and reliable cloud-based systems. Responsibilities include observability, monitoring, testing, code reviews, documentation, security, performance optimization, and participation in Agile ceremonies and technical design reviews.

Build and support production AI applications, assistants, and agent workflows embedded with customer teams. Responsibilities include business discovery, full-stack development, LLM and RAG integration, enterprise API and data integration, AWS serverless deployment, testing, evaluation, monitoring, security, troubleshooting, documentation, user adoption, and production support. The role also involves collaborating with stakeholders, creating reusable components, reviewing developers’ work, and integrating with SAP and ERP systems.

Design, develop, test, deploy, and maintain scalable full-stack enterprise applications across front-end, back-end, Azure, and AWS platforms. Collaborate in Agile teams, build APIs and integrations, troubleshoot and optimize solutions, participate in code reviews, and apply CI/CD, TDD, and BDD practices. Mentor junior developers, improve engineering standards, document solutions, and provide effective customer support.

Build and maintain full-stack features for secure, high-volume fintech and cryptocurrency transactions. Develop Golang and Java backend services, Node.js and TypeScript APIs, and React/Next.js applications. Integrate third-party systems, implement OAuth 2.0 authentication, work with microservices, and ensure security, performance, reliability, and observability. Contribute to architecture discussions, code reviews, technical documentation, and end-to-end feature ownership in a fully remote environment.

Develop and maintain full-stack features for the ERAS Platform, including backend APIs, frontend applications, automated tests, deployment configurations, and integrations with USDA systems. Ensure secure, accessible, well-documented code meeting WCAG, Section 508, OWASP, and testing standards. Participate in code reviews, agile sprints, Salesforce development, technical documentation, and federal modernization initiatives. The role is remote and requires the ability to obtain a Public Trust.

Build and operate production APIs and backend systems for music and audio AI products. Partner with research engineering to productionize model improvements, design systems that support future model upgrades, and develop creator-facing features. Engineers own product decomposition, legal and safety considerations, launch planning, and collaboration with growth, design, and enterprise customers. The role is remote-first across Europe or the US East Coast, with Central European timezone availability required.

Build end-to-end features in a JS/TS stack, designing scalable backend services and responsive real-time frontends. Improve observability, performance, and reliability, collaborate with product/design, and own full-stack implementation from APIs and data models to UI.

Develop and maintain full-stack applications, backend services, APIs, integrations, and internal tools while managing AWS cloud infrastructure, CI/CD, containers, databases, observability, and automation. The role requires production troubleshooting, security and reliability improvements, developer workflow enhancements, and collaboration across Product, QA, DevOps, Customer Support, and Development teams. The developer will use Python, JavaScript/TypeScript, Go, React, AWS, Docker, Kubernetes, infrastructure as code, and modern monitoring tools to deliver scalable cloud-platform solutions.

Join as the founding full-stack engineer to extend a TypeScript React/Next.js prototype, design product features, integrate AI/OCR, write tests and infrastructure, talk to users, and iterate quickly to drive growth.

Build and own customer-facing product features end to end, from customer discovery and prototyping through production deployment and validation. Develop across Rails APIs, React and TypeScript frontends, AI agents, realtime voice, video, search, and analytics. Work autonomously with founders and product teammates, use AI coding tools daily, maintain production systems, make UX decisions, and take accountability for product outcomes.

Leads the design, development, maintenance, and technical direction of a scalable insurance SaaS platform. Works across .NET back-end and Vue/React front-end technologies, optimizes performance, enforces coding and security standards, leads code reviews, resolves bugs, and mentors developers. Collaborates with product, design, and engineering teams on architecture, requirements, testing, cloud infrastructure, microservices, and continuous platform improvement.

Build enterprise Workforce Management software for forecasting, staffing, scheduling, adherence, intraday management, and operational reporting. Develop Java and Spring Boot microservices, React and TypeScript applications, REST APIs, event-driven workflows, and PostgreSQL data models. Integrate WFM with CX, ACD, HR, payroll, identity, and enterprise data platforms. Contribute to cloud-native deployments, CI/CD, testing, performance optimization, architecture, code reviews, and client-facing collaboration.

Design, develop, test, deploy, and support scalable cloud-native applications using Java, Spring Boot, React, TypeScript, Node.js, PostgreSQL, microservices, and REST APIs. Build CI/CD pipelines, containerized deployments, integrations, observability, and secure distributed systems. Collaborate with product, UX, QA, DevOps, architecture, and engineering teams while troubleshooting production issues and improving application performance, resilience, and maintainability.

Develop and maintain distributed full-stack services across Angular and .NET. Design microservices using Domain-Driven Design, translate feature specifications into technical solutions, write unit and integration tests, review code, apply secure coding practices, and collaborate with Product and UX teams using Figma designs. The role also involves AI-assisted development, architecture contributions, REST APIs, SQL databases, and reliable deployment of customer-focused manufacturing software.

Build scalable, low-latency backend APIs, event-driven services, integration layers, and microservices supporting personalization and recommendation experiences. Partner with AI/ML and data engineers to deploy models, expose AI services, and develop React applications. Improve security, observability, reliability, performance, scalability, and operational efficiency while using AI-assisted engineering tools to enhance delivery and code quality.

Build and operate scalable, low-latency backend services, APIs, event-driven systems, integrations, and frontend applications supporting membership, loyalty, rewards, and consumer engagement. Configure and integrate Antavo with commerce, CRM, CDP, marketing, and data platforms. Apply secure, observable, resilient engineering practices, troubleshoot production issues, and optimize performance. The role requires strong Java and Spring Boot expertise, plus working knowledge of React, Node.js, Kafka, and SQL/NoSQL databases.

Develop and maintain full-stack integrations for Grafana Cloud observability: build TypeScript/React frontends, Go backends, and Jsonnet mixins. Ship end-to-end features, own projects from design to production, contribute upstream to Prometheus/OpenTelemetry, participate in on-call rotation, and represent the team's work across the org.

Build and own backend services, web applications, REST APIs, webhooks, and enterprise integrations. Lead customer integrations from scoping through launch, improve the operator dashboard, and maintain production reliability through monitoring, incident response, and root-cause analysis. Collaborate with product, success, and customer engineering teams while contributing to code reviews, technical design, mentoring, security, and AI-assisted development.

Build and own user-facing features and core platform architecture across frontend, backend, and ML pipelines. Integrate AI workflows (LLMs, embeddings) for curriculum generation and automated evaluation. Manage end-to-end development: requirements, design, implementation, CI/CD, testing, observability, and iteration while collaborating with product, design, ML, and customer teams.