Lead Backend Developer

About Krank:

We are a technology-driven SaaS company building products for the heavy equipment and industrial sector. Our ecosystem includes:

• Web-based marketplace and workflow platforms

• React Native mobile applications for iOS and Android

• Smart glassesbased workflows for remote inspections

• AWS-hosted backend services built using

We work at the intersection of engineering product design and modern cloud technologies to deliver efficient reliable and real-world solutions for industrial operations. Our culture is highly collaborative product-focused and centered on building meaningful tools that improve field workflows inspections and equipment management at scale.

About Inspeq:

Inspeq is a SaaS platform for inspections asset management and work orders. Its designed for heavy equipment rental mining and construction companies enabling them to manage operations more efficiently with modular configurable workflows and AI-powered features like Remote Workorders (live remote guidance) and AI Discrepancy Reports.

Role Overview:

We are looking for a Lead Backend Developer to design build and scale robust backend systems. You will own backend architecture and implementation guide engineering decisions within the backend domain and mentor developers while working closely with Product Frontend and DevOps teams to deliver secure scalable and compliant solutions.

This role owns backend systems end-to-end while partnering with the Head of Engineering on cross-platform and company-wide architectural decisions.

Key Responsibilities:

• Lead the design and development of scalable secure and high-performance backend systems
• Architect build and maintain APIs and backend services using NestJS and ExpressJS
• Design and manage SQL and NoSQL databases ensuring data integrity performance and scalability
• Own API contracts versioning backward compatibility and migration strategies
• Ensure backend systems comply with GDPR and data protection best practices
• Implement authentication authorization secure data handling and service-to-service security
• Define backend architecture system design patterns and coding standards
• Write clean maintainable and well-tested code
• Review code mentor developers and enforce engineering best practices
• Collaborate closely with Product Frontend Mobile and DevOps teams to deliver features end-to-end
• Optimize backend performance reliability and scalability
• Implement logging monitoring alerting and error tracking to ensure system observability
• Own backend technical debt refactoring strategy and long-term maintainability
• Manage backend deployment workflows using Docker

Core Requirements:

• 5 years of backend development experience
• Strong expertise in NestJS and ExpressJS
• Hands-on experience with SQL databases (PostgreSQL MySQL) and NoSQL databases (MongoDB DynamoDB)
• Strong understanding of REST APIs and backend architecture patterns
• Experience designing multi-tenant SaaS architectures
• Experience with async systems such as background jobs queues or event-driven workflows
• Experience with Docker for containerization
• Solid knowledge of GDPR compliance data privacy and secure data handling
• Strong problem-solving and debugging skills
• Experience leading or mentoring developers

Nice to Have (Plus)

• Experience with OpenAI integrations and generative AI solutions
• Hands-on experience with AWS services (ECS ECR S3 API Gateway Lambda etc.)
• Knowledge of cloud infrastructure scalability and production deployments
• Strong background in system design for large-scale applications
• Experience with CI/CD pipelines monitoring and observability tooling
• Experience supporting mobile applications (React Native backends offline sync media-heavy workflows)