# Senior Software Engineer, Infrastructure

**Company:** [Parafin](https://hotfix.jobs/companies/parafin)
**Location:** San Francisco, CA
**Role:** DevOps / SRE
**Salary:** $230k – $265k/yr
**Experience:** 4+ years
**Skills:** AWS, Terraform, Airflow, Datadog, Buildkite, Postgres, Auth, Distributed Systems, Infrastructure-As-Code, Relational Databases
**Posted:** 2026-04-03

> Senior Infrastructure Engineer designs and maintains scalable cloud infrastructure, data systems, and security platforms for a fintech company's growing platform. Requires 4+ years experience with AWS, Terraform, and tools like Airflow, Datadog, Postgres.

## Job Description

## What You’ll Be Doing
- Design and implement robust, scalable infrastructure platforms to support our growing user base and expanding product offerings
- Collaborate with cross-functional teams to support new classes of applications and use cases
- Develop and maintain software spanning cloud infrastructure, developer experience, data infrastructure, and security
- Work to better availability guarantees, system performance, and observability
- Build easy-to-use abstractions with **Terraform** to empower engineers and increase development velocity
- Mentor junior engineers and contribute to the technical growth of the team

## What We’re Searching For
- 4+ years of experience in software engineering, with a focus on infrastructure and distributed systems
- Strong design, coding, and debugging skills; expertise in understanding/advocating for secure and scalable design/coding practices
- Deep understanding of cloud platforms (**preferably AWS**) and their services
- Experience with technologies and concepts like **Airflow**, **Datadog**, **Buildkite**, **Postgres**, and **Auth**
- Familiarity with infrastructure-as-code practices and tools such as **Terraform**
- Knowledge of relational database systems
- Strong problem-solving skills and ability to debug complex systems
- Excellent communication skills and ability to work effectively in a collaborative environment

## We Prefer If You Have
- Experience with financial systems or working in the fintech industry
- Contributions to open-source projects or internal tools
- Knowledge of infrastructure best practices and experience building easy-to-use abstractions

## What We Offer
**Salary Range:** $230k-$265k  
Equity grant  
Medical, dental & vision insurance  
Unlimited PTO & work from home flexibility  
Commuter benefits  
Free lunches  
Paid parental leave  
401(k)  
Employee assistance program

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