# Senior Software Engineer, Platform Engineering

**Company:** [Decagon](https://hotfix.jobs/companies/decagon)
**Location:** New York, NY, San Francisco, CA
**Role:** DevOps / SRE
**Salary:** $200k – $400k/yr
**Experience:** 4+ years
**Skills:** Python, TypeScript, JavaScript, CI/CD, Docker, Kubernetes, Observability, Terraform, Monorepos, Infrastructure As Code
**Posted:** 2026-02-11

> Senior Software Engineer building and evolving an internal developer platform including CI/CD, observability, and tooling to improve developer productivity and reliability. Requires 4+ years of production experience in platform/devtools/infrastructure.

## Job Description

## What you'll do

### Developer productivity & platform tooling
- Identify workflow bottlenecks (build/test/release/local dev) and build tools that measurably reduce toil
- Create and maintain "golden paths" like service templates, CLIs, libraries, and automation that teams rely on

### CI/CD & release engineering
- Design reusable CI pipelines and deployment workflows that are fast, safe, and easy to adopt across teams
- Improve reliability of builds and tests (flake reduction, hermeticity, caching) and drive down cycle time
- Support progressive delivery patterns (canary / blue-green) and safe rollback mechanisms

### Observability & operational excellence
- Establish shared observability primitives (metrics/logs/traces), standards, and libraries so services are production-ready by default
- Partner with product engineers to improve operability: SLOs, alerting hygiene, dashboards, incident learnings

### Infrastructure foundations
- Build and improve core platform capabilities that make it easy to run and scale services

### Ownership & reliability
- Own the systems you build end-to-end and help keep them healthy in production, improving reliability over time

## Your background looks something like this
- 4+ years building production software, with meaningful experience in platform / devtools / infrastructure (or adjacent SRE/release engineering)
- Strong coding ability in at least one systems/productivity language (e.g., Python, TypeScript/JS), and comfort building developer-facing tooling (CLIs, libraries, automation)
- Hands-on experience with CI/CD systems and designing pipelines that are scalable and reusable across many repos/services
- Practical experience with observability in production systems (instrumentation, alerting, dashboards, incident response)
- Comfort with containers and modern cloud infrastructure (e.g., Docker/Kubernetes and related tooling)
- A track record of improving developer experience through measurable outcomes (faster builds, fewer flakes, safer deploys, fewer incidents)
- Strong cross-team collaboration and communication—especially writing clear docs and driving adoption

## Even better if you have
- Experience with monorepos and build systems and/or large-scale CI performance work
- Experience building internal platforms: service templates, paved-road deployment, self-serve environments, developer portals
- Infrastructure-as-code experience (e.g., Terraform) and a security-minded approach to supply chain (provenance, secrets, least privilege)
- Experience applying AI-assisted tooling to make engineers dramatically more effective

## Compensation
$200K – $400K + Offers Equity

## Benefits
- Take what you need vacation policy
- Medical, Dental, and Vision benefits for you and your family
- Life Insurance and Disability Benefits
- Retirement Plan (e.g., 401K, pension)
- Parental Leave
- Fertility and family building benefits through Carrot
- Daily lunches and snacks in the office

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