Software Engineer, Developer Infrastructure

Numeric

. Build and maintain shared developer infrastructure that improves engineer and AI-agent productivity .

Posted 10/2/2026full-timeNew York City • New York • United StatesMid-LevelSenior💰 $125,000 - $250,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and maintaining developer infrastructure, with a strong focus on automation, observability, and security. Proficient in managing infrastructure-as-code and enhancing developer productivity through effective tooling and processes.

Highest-signal resume keywords

AWS ExpertiseInfrastructure-As-Code (Terraform/OpenTofu)TypeScript ProgrammingPython ProgrammingCI/CD Systems

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Infrastructure ManagementSchema Migration AutomationObservability FoundationsIncident ManagementNetworking FundamentalsContainer Management (ECS)Developer Experience EnhancementSecurity ManagementDeployment AutomationRepository Standards Establishment

Soft Skills

CollaborationProblem-SolvingProduct-Building Instinct

Tools & Technologies

SpaceliftOpenTofuDatadogGitHub ActionsLinuxSlack

Industry Keywords

Developer ProductivityInfrastructurePlatform EngineeringCloud ComputingIncident Management

Tech Stack

Tools & technologies

AWSLinuxPythonTerraformTypeScript

About the role

Key responsibilities & impact

Build and maintain shared developer infrastructure that improves engineer and AI-agent productivity
Own roadmap components end to end and observe engineers using the resulting tools
Create serialized, gated deployments across services
Automate schema migrations with rollback and establish trusted staging-to-production promotion
Build reliable local and remote development environments, sandboxes, and preview/review environments
Develop agent-first infrastructure including MCP gateways, governance, cost management, and foundation model selection
Manage infrastructure-as-code with Spacelift/OpenTofu, remediate drift, consolidate DigitalOcean onto AWS, and establish IaC standards
Establish repository standards, ownership manifests, an ownership registry, and an internal developer portal
Build observability foundations including tracing, logging, metrics, Datadog cost and hygiene, incident management, and status pages
Improve security and access through secrets/configuration management, SSO, IAM scoping, ECR scanning, audit logging, and vulnerability management
Host Numeric Labs, enabling employees to ship internal tools without re-solving authentication, hosting, and observability
Pair with engineers, observe onboarding, and identify friction in Slack

Requirements

What you’ll need

3+ years of software engineering experience, including significant time on infrastructure, platform, or developer-productivity work
Confidence with AWS, IaC (Terraform/OpenTofu or similar), CI/CD systems, and Linux/container fundamentals
Strong general-purpose programming skills, primarily TypeScript and Python where appropriate
Technical depth in AWS, containers/ECS, networking, and infrastructure-as-code
Product-builder instinct for developer experience
Comfortable building in-house when appropriate and evaluating third-party tools
Prior experience with Spacelift / Atlantis, Datadog / Firetiger / Chronosphere, or GitHub Actions / Buildkite is nice to have
Experience running incident management, defining SLAs, and maintaining sites through enormous traffic is nice to have
Experience supporting non-engineer contributors is nice to have
Must be authorized to work in the US

Benefits

Comp & perks

Equity
Hybrid work arrangement
In-office-first team environment
High-trust, high-agency culture
Opportunity to influence product direction
Collaboration with a high-pace, high-integrity team