Senior Backend Engineer Lexful Inc

About Lexful

AI-First SaaS Venture - Ground Floor Role. Build the future. Shape an industry. Start today.

We're a well-funded venture studio startup creating an AI-native SaaS solution that will fundamentally disrupt an established market. Led by an industry visionary, we're not iterating, we're building a revolutionary 0-1 product that others haven't dared to pursue.

Why This Matters:

• Pre-funded with strong studio backingStealth mode with enormous ambitions.
• Category-defining opportunity at the ground level.
• Work with industry veterans and category creators.
• Shape an entire market segment.

Ready to turn visionary concepts into market-changing reality? This is your chance to get in at the beginning of something extraordinary.

Build intelligent data systems that power breakthrough AI experiences. Design infrastructure that learns and adapts with user behaviour.

The Role

Reporting into the Chief Product & Technology Officer, we're seeking Backend Engineers to lead the creation of scalable, intelligent infrastructure from the ground up. In this role, you'll shape how our platform operates, integrates, and scales, combining robust backend services, enterprise integrations, and AI-powered capabilities. This is an opportunity to build at 0-to-1 scale, applying deep expertise across the full backend stack to deliver secure, reliable, and future-ready systems that drive innovation. You'll work directly with our principle architect & engineer, data engineer, frontend engineer, and product/design team as founding technical leaders.

You'll contribute to:

• Integrations & Data Pipelines: Build connectors to enterprise software, design data migration and ingestion systems
• Platform: Security, SOC 2 compliance, multi-tenant architecture, observability, performance at scale
• Core Services: Processing, storage, versioning. Build backend services powering user-facing features
• Infrastructure: AWS ops (ECS, Aurora, S3), CI/CD, monitoring, production reliability

This is a generalist role, you'll flex across domains based on priorities, not stay in a silo. 

What We're Looking For

Must Have:

• 5+ years backend experience, including 2+ years at early-stage startup (0-to-1 experience)
• Production systems experience at scale, you know what "production-ready" means
• Product sense, you understand why we build and can influence what we build
• Ownership mindset, you've led initiatives end-to-end
• Strong fundamentals: APIs, databases, distributed systems, security, cloud

Technical:

• Python, , or similar
• PostgreSQL and query optimization
• AWS (ECS, Lambda, RDS, S3, CloudWatch)
• API design, authentication (OAuth, JWT)
• Observability and monitoring
• Security best practices, compliance frameworks

Bonus:

• B2B SaaS or enterprise software experience
• AI/ML applications or knowledge management systems
• Migration tools or data import/integration systems

Our Stack

Python, TypeScript, PostgreSQL, AWS (ECS Fargate, Bedrock, S3), REST APIs

Why You'll Love It

• Build data systems that power revolutionary AI applications.
• Work with novel data patterns created by AI-native workflows.
• Design infrastructure that enables AI capabilities others can't match.
• Direct impact on AI model performance and user experience quality.
  
• If located in Vancouver, you'll have a chance to work along side the Vancouver Engineer team.

What We Offer

• The chance to be a founding team member, shaping the company's product vision and culture.
• A competitive salary and meaningful equity ownership in a pre-funded, high-growth startup.
• Top of the line benefits package including 100% employer paid extended health and dental for you and your family.
• A fully remote, flexible work environment with autonomy and ownership.
• The opportunity to work on cutting-edge technology with a strong product-market fit.
• A team that values collaboration, innovation, and continuous learning.

We invite all qualified candidates to apply. Please note, you must be eligible to work in Canada to be considered for this role. We thank you for your interest, and only successful applicants will be contacted.

Please no Recruiters or phone calls.