Senior API Platform & Ecosystem Engineer

MaintainX; Toronto; Hybrid; CAD 110,000 - 160,000; Full time

Job summary

MaintainX, a leading mobile-first work execution platform, is seeking a Senior Software Developer for API Platform and Ecosystem. You will design, build, and operate public REST APIs with a focus on scalability and superb developer experience.

Push platform standards, enable large-scale data migrations, and improve CI/CD and documentation while collaborating with Product, Design, and customers to deliver scalable integrations.

Qualifications

• 4+ years of professional software engineering experience building backend systems, APIs, or platform products.
• Strong experience with service-oriented backend development in TypeScript, Go, or C#, and willingness to learn other languages.
• Strong experience with relational databases (MySQL, PostgreSQL) including schema design and query optimization.
• Solid foundation in distributed systems fundamentals: reliability, scalability, consistency, and failure modes.
• Experience shipping production-grade APIs and focus on developer experience and platform usability.
• Strong testing mindset (unit, integration, end-to-end and contract testing) and hands-on CI/CD.

Responsibilities

• Design, build, and operate MaintainX's public-facing REST APIs with a focus on consistency, scalability, and developer experience.
• Implement platform standards: authentication/authorization, rate limiting, versioning, filtering, pagination, and backwards compatibility.
• Design and implement robust batch and bulk API operations for enterprise data migrations.
• Decouple REST from monolithic dependencies while ensuring GraphQL changes don't impact REST stability.
• Build scaffolding, templates, and shared libraries to speed connectors/integration development.
• Improve CI/CD pipelines, release automation, and quality gates for integrations and ecosystem services.
• Produce strong developer documentation and reference implementations (SDKs).
• Contribute to the infrastructure enabling integrations to be published and supported in marketplaces.

Job description

MaintainX, a leading mobile-first work execution platform, is seeking a Senior Software Developer for API Platform and Ecosystem. You will design, build, and operate public REST APIs with a focus on scalability and superb developer experience.

Push platform standards, enable large-scale data migrations, and improve CI/CD and documentation while collaborating with Product, Design, and customers to deliver scalable integrations.