Senior Platform Engineering Tech Lead

Kelly Services; Boston (MA); On-site; USD 230,000 - 250,000; Full time

Job summary

Kelly Services is seeking a hands-on Tech Lead to own the architecture and evolution of its Tetra Apps platform, a secure, scalable multi-tenant application platform powering scientists, partners, and internal teams.

The role requires strong backend and frontend capabilities, expertise in AWS ECS and container ecosystems, and a focus on security, developer experience, and platform reliability. Expect to contribute code and architectural decisions in a fast-paced environment.

Qualifications

• 10+ years of professional software engineering experience, including experience as a technical lead or architect.
• Experience architecting and operating production platforms that external teams build on.
• Proven experience with multi-tenant application platforms and internal developer platforms.
• Expert-level TypeScript and Node.js experience building backend services and APIs.
• Strong security engineering background, including IAM and tenant isolation.

Responsibilities

• Own the technical architecture and evolution of the Tetra Apps platform, including provisioning, routing, authentication, isolation, and upgrades.
• Design and improve the application runtime and lifecycle management using AWS ECS.
• Architect identity and authorization models for apps, including IAM roles and credentials.
• Build reliable installation, upgrade, and rollback processes for multi-tenant and customer-hosted environments.
• Lead architecture reviews, RFCs, and migration planning; mentor engineers.

Skills

Technical leadership

Architecture design

AWS

Docker

TypeScript/Node.js

Security engineering

CI/CD

OpenAPI

Tools

Docker

AWS ECS

KMS

CloudFormation

OpenTelemetry

Job description

Kelly Services is seeking a hands-on Tech Lead to own the architecture and evolution of its Tetra Apps platform, a secure, scalable multi-tenant application platform powering scientists, partners, and internal teams.

The role requires strong backend and frontend capabilities, expertise in AWS ECS and container ecosystems, and a focus on security, developer experience, and platform reliability. Expect to contribute code and architectural decisions in a fast-paced environment.