Lead Developer – Software Architect, Custom Business Application

Velixo

Lead developer architecting Velixo’s Partner and Billing/Admin Portals. Building secure full-stack systems supporting financial reporting tools, ERP integrations, subscriptions, and partner operations.

Posted 8/5/2026full-timeRemote • 🇨🇦 CanadaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in full-stack software development, particularly with React/TypeScript and Node.js/Next.js, while owning the architecture and operations of production systems. Proficient in integrating third-party APIs and managing cloud deployments across Azure and AWS.

Highest-signal resume keywords

Full-Stack Proficiency with React/TypeScriptNode.js/Next.js DevelopmentDocker ContainerizationAzure/AWS Cloud DeploymentTechnical Ownership of Production Systems

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactTypeScriptNode.jsNext.jsDockerPostgreSQLCI/CDInfrastructure-as-CodeAPI IntegrationSaaS Platforms

Soft Skills

Excellent CommunicationMentoringCollaboration

Tools & Technologies

HubSpot CRMERP SystemsTelemetry ToolsSSO SystemsObservability Tooling

Industry Keywords

SaaSFinancial SoftwareBilling SystemsSubscription ManagementLicensing Systems

Tech Stack

Tools & technologies

ASP.NETAWSAzureCloudDockerERPJavaScript.NETNext.jsNGINXNode.jsPostgresReactTypeScript

About the role

Key responsibilities & impact

Own the Partner Portal and Billing/Admin Portal end-to-end, including architecture, roadmap, delivery, quality, and day-to-day operations
Translate partner workflows, trials, quoting, discounting, subscriptions, and licensing needs into maintainable software
Set the technical direction and make pragmatic build-versus-extend decisions
Define and evolve application architecture across React/TypeScript, ASP.NET Core MVC, C#, Node.js/Next.js, Docker, nginx, and PostgreSQL
Design integration boundaries between the portals, HubSpot, ERPs, telemetry, and authentication/SSO systems
Establish engineering standards for code review, testing, CI/CD, observability, and secure-by-default practices
Mentor and provide technical direction to developers
Write production code across the full stack and diagnose complex application, integration, and infrastructure issues
Own HubSpot CRM, ERP, telemetry/usage-data, authentication, and SSO integrations
Deploy and operate applications across Azure, AWS, and supporting Hetzner infrastructure
Maintain monitoring, logging, alerting, releases, environments, configuration, and change control
Provide escalation support and drive root-cause resolution for production issues
Collaborate with Operations, Sales, Partner, Support, and R&D teams to prioritize valuable work
Communicate scope and timing with technical and non-technical stakeholders
Document architecture, runbooks, and configuration
Automate repetitive operational work and continuously improve reliability, security, and developer experience

Requirements

What you’ll need

8+ years of professional software development experience, including senior or lead-level ownership of production web applications
Strong full-stack proficiency with React/TypeScript and Node.js/Next.js
Experience designing and operating containerized services with Docker
Experience deploying to Azure/AWS cloud infrastructure
Experience integrating third-party APIs and SaaS platforms, including HubSpot or comparable CRM systems
Practical experience with PostgreSQL or similar relational databases and evolving data models
Track record of technical ownership for production systems, including architecture, delivery, and operations
Strong understanding of authentication, authorization, role-based access, and secure handling of sensitive business and financial data
Excellent written and verbal communication in English
Ability to work core hours in EST
ERP integration experience, such as Acumatica, Sage Intacct, or Dynamics 365 Business Central (nice-to-have)
Familiarity with quoting, billing, subscription, or licensing systems (nice-to-have)
Experience with CI/CD, infrastructure-as-code, and observability tooling (nice-to-have)
Exposure to AI-assisted or agentic development tooling and patterns (nice-to-have)
Bilingual French/English (nice-to-have)
Experience in SaaS or financial software handling sensitive data (nice-to-have)

Benefits

Comp & perks

Competitive compensation, benefits, and group insurance
Modern equipment and the tools you need to do the work properly
Direct ownership of business-critical systems and a clear mandate to shape their future
Close collaboration with leadership and a real seat at the table for technical decisions
High-trust, fully distributed team