Senior Software Engineer

Toronto · SALT XC · USD 135,000-165,000 / year · 6+ years experience · Full-time · Hybrid · Posted Oct 2, 2026

At a glance

Join Salt XC as a Senior Software Engineer building the next generation of AI products in a hands-on technical role.
Spend roughly 80% of your time designing, building, and shipping full-stack product features and backend services, and the remaining 20% on platform work.
Own features end to end from technical design through release and iteration while contributing to CI/CD, infrastructure, and security practices.

Build full-stack applications by designing, developing, and maintaining Python and Node.js backend services and modern React frontends.
Own delivery end to end by translating business requirements into technical solutions and leading features through design, implementation, testing, deployment, and iteration.
Develop integrations to connect products with social media platforms, enterprise systems, external APIs, and Model Context Protocol (MCP) servers.
Shape technical architecture by making thoughtful decisions about application structure, data models, performance, and scalability.
Raise engineering quality by writing clean, well-tested code, leading constructive code reviews, mentoring developers, and improving engineering practices.
Use AI agents and tooling to build a robust, highly productive, and fast-paced engineering environment.
Build for production by embedding security, monitoring, and observability into applications and troubleshooting issues.
Maintain efficient cloud infrastructure, development environments, and data pipelines supporting AI products.
Implement secure deployment practices, CI/CD, and automated quality gates.
Support dependency management, vulnerability remediation, and security testing.

BSc or Bachelor's degree in Computer Science, Statistics, Software Engineering, or a related technical field.
6+ years of professional software development experience, including backend and full-stack delivery.
Working familiarity with Google Cloud Platform (GCP), CI/CD pipelines including GitHub Actions and Cloud Build, Docker, and cloud infrastructure management.
Working knowledge of application security, including secure coding, IAM, OAuth/SSO, secrets management, vulnerability remediation, and security best practices.
Experience developing full-stack applications and APIs using modern technologies.
Strong problem-solving and troubleshooting skills to support production environments and improve application reliability.
Excellent communication and collaboration skills to work across product, engineering, infrastructure, and security teams in an Agile environment.
Experience with TypeScript, React, Tailwind, and Node.js.
Experience with untyped languages such as Python for backend development, along with relevant data management libraries.
Experience with SQL and NoSQL based systems.

Experience integrating APIs, building automation workflows such as n8n, and working with AI/LLM platforms like Gemini, Vertex AI, OpenAI, or Claude.
Familiarity with UX flows and writing specs/SOPs.
Exposure to automation or agentic workflows.
Hands-on experience with AI, LLM, and RAG-based systems.
Big Tech or large-scale product engineering experience.

Up to 28 paid days off and winter holiday shutdowns
Health, dental, and vision plans
Salt Bucks to spend on wellness, RRSPs, or extra time off
Dedicated Salt Days, top-tier learning access, and formal leadership development
Team trips, seasonal socials, and Salt Swag
Referral and new business bonuses, exclusive lifestyle perks, and personalized wellness options
DEI programs and active ERGs