Senior Backend Platform Engineer — Internal Dev Platform

MaintainX; Boston (MA); On-site; USD 150,000 - 210,000; Full time

Job summary

MaintainX, a platform engineering–driven team, is expanding its backend foundations to empower internal developers and scale operations. You will design and maintain AI-enabled platforms, ensure strong engineering standards, and collaborate across product teams to shape unified platform workflows.

The role emphasizes delivering scalable GraphQL APIs, cloud infrastructure expertise, and an internal-customer mindset, with English leadership responsibilities across multiple teams and executives.

Qualifications

• 5+ years of distributed systems experience.
• Expert in Node.js, TypeScript, or similar languages.
• Proficient designing, maintaining, and evolving GraphQL APIs at scale.
• Strong AI mindset.
• Good knowledge of cloud infrastructure and CI/CD pipelines.
• A product mindset: ability to build a platform with and for internal customers.
• An expert level of English, both spoken and written, is required to lead platform engineering managers across multiple teams, present technical priorities to executive stakeholders.

Responsibilities

• Design, build, and maintain backend foundations and tooling powering our internal developer platform.
• Bring AI native and add on workflows into your daily work and into the platform.
• Raise engineering excellence standards.
• Lead to the consolidation and evolution of platform primitives: developer portal, local development, domain-service templates and scaffolders, graphQL, event-driven, openAPI golden paths and CI/CD workflows.
• Collaborate with other platform teams and product development teams on defining and adopting the internal developer platform.

Skills

Distributed systems

Node.js

TypeScript

GraphQL APIs

AI mindset

Cloud infrastructure

CI/CD

Product mindset

Executive communication

Job description

MaintainX, a platform engineering–driven team, is expanding its backend foundations to empower internal developers and scale operations. You will design and maintain AI-enabled platforms, ensure strong engineering standards, and collaborate across product teams to shape unified platform workflows.

The role emphasizes delivering scalable GraphQL APIs, cloud infrastructure expertise, and an internal-customer mindset, with English leadership responsibilities across multiple teams and executives.