Senior Full Stack Engineer

🔥 49 minutes ago

🇨🇦 Canada – Remote

💵 $162.6k - $195k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 0%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Mattermost

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2016

💼 Consulting

🎖️ Defense

📦 Logistics

💰 $50M Series B - Mattermost on 2019-06

Consulting • Defense • Logistics

Mattermost is a secure, purpose-built collaboration and communication platform for enterprises, governments, and mission-critical operations. It provides self-hosted and cloud-neutral deployment options (on-premises, private cloud, air-gapped) and focuses on ChatOps, DevSecOps, integrated playbooks, and out-of-band incident response to accelerate detection, response, and remediation. Mattermost emphasizes data control, compliance, and resilience for regulated and critical-infrastructure environments, integrating with existing tools and supporting secure workflows and AI integrations.

📋 Description

• Architect and build scalable, high-performance full-stack features across Go, React, TypeScript, PostgreSQL, and Redis • Use AI coding agents such as Claude Code and Cursor in daily development while retaining accountability for correctness, security, and design • Develop internal tooling and testing infrastructure, including agentic workflows and skills for broader team use • Own testing strategy across frontend and backend code • Design and consume REST and WebSocket APIs • Maintain security and compliance standards required by government and enterprise clients • Contribute to Mattermost’s open-source codebase • Ship full-stack core-platform features within the first 90 days using an AI-forward workflow

🎯 Requirements

• Strong full-stack development experience in Go and React, or a comparable stack • Experience designing and consuming REST and WebSocket APIs with solid networking fundamentals • Relational database experience including PostgreSQL, schema design, and query optimization • Hands-on daily fluency directing AI coding agents such as Claude Code, Cursor, or Copilot for scaffolding, refactors, code review, and test generation • Judgment to assess AI-generated output and take ownership of correctness, security, and design decisions • Ability to ship and own complex software end-to-end without close supervision • Candidates must be legally authorized to work in Canada without current or future sponsorship • Candidates must meet eligibility requirements for possible government security clearance or equivalent designation • Nice to have: experience with distributed systems or high-availability service architecture • Nice to have: familiarity with enterprise or regulated-environment security requirements • Nice to have: background in defense, intelligence, or critical infrastructure products • Nice to have: open-source contributions • Nice to have: experience working on distributed or remote-first teams • Nice to have: experience building tools, skills, or workflows on top of AI coding agents, including MCP servers, agent skills, or CI-integrated agents

🏖️ Benefits

• Remote-first culture: Work from anywhere with a globally distributed, high-trust team built for autonomy and ownership • AI-forward environment with AI-enabled workflows and agentic development • End-to-end ownership across the full stack • Open source at the core • EEO employer • Interview accommodations available upon request

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