Senior Backend/Infra Engineer

PetsApp; Boston (MA); On-site; USD 170,000 - 180,000; Full time

Job summary

PetsApp is seeking a Senior Backend & DevOps Engineer to oversee their AI underwriting engine and data pipelines in Boston. This role involves creating secure cloud architectures and promoting a DevOps culture across the company.

The ideal candidate will have a strong background in Django and AWS services, coupled with skills in Infrastructure as Code using Terraform or Pulumi. Responsibilities include building automated data pipelines and ensuring infrastructure security and compliance.

Qualifications

• 5+ years of hands-on experience with AWS services, including ECS, Lambda, RDS.
• Proven track record managing production Django and Airflow applications.
• Expertise in CI/CD automation using GitHub Actions.

Responsibilities

• Manage and evolve the AI-driven underwriting engine.
• Design, build, and maintain automated data pipelines.
• Establish firm-wide DevOps practices.

Skills

Django

AWS services

Infrastructure as Code

GitHub Actions

Docker

Airflow

Postgres

Monitoring and Alerting

Tools

Terraform

Pulumi

Prometheus

Grafana

Job description

About

Daylit is a leading AI agent platform for accounts receivable. Our platform automates the manual work of collecting and reconciling invoices so finance teams can scale credit and collections teams without adding headcount. Our customers trust Dayilt to deliver a complete view of portfolio health — surfacing at-risk accounts, predicting payment timing, and powering accurate cash flow forecasts. Companies with high invoice volume use Daylit to reduce DSO, eliminate repetitive work, and know exactly when cash will hit the bank.

The Role

We are looking for aSenior Backend & DevOps Engineer (Infrastructure/Data)to own our AI underwriting engine and data pipelines (≈60% time Python/Django + DAG orchestration) while leading company‑wide Infrastructure‑as‑Code and DevOps practices (≈40% time Terraform/Pulumi, GitHub Actions, AWS ECS, MWAA, Lambda).

You will design secure, highly available cloud architectures, automate them with IaC, and champion DevOps culture across engineering. Your work will directly power every Daylit product—from the Django‑based underwriting engine to real‑time analytics and machine‑learning workloads.

What You’ll Do

• Manage and Evolve the AI Driven Underwriting Engine –Own the reliability, scalability, and performance of our core Django code‑base that powers underwriting decisions.

• Own Data Pipelines & Scalable Computation –Design, build, and maintain automated data pipelines (Airflow, Postgres) and distributed compute workflows that support real‑time analytics and machine‑learning models.

• Implement Infrastructure as Code (IaC) –Automate provisioning and management of AWS resources with Pulumi or Terraform.

• Establish Firm‑Wide DevOps Practice –Define standards, tooling, and best practices for CI/CD, observability, and incident response across all engineering teams.

• Lead Migration from DigitalOcean to AWS ECS: Plan, execute, and manage the migration of our applications and data from DigitalOcean to AWS ECS, ensuring minimal downtime and data integrity.

• Set up Comprehensive Monitoring and Alerting: Implement robust monitoring and alerting systems to proactively identify and resolve infrastructure issues, ensuring high availability and performance.

• Implement Security Best Practices: Enforce security best practices for cloud infrastructure, including access control, vulnerability management, and compliance requirements.

What You’ve Done

• Proven track record managing production Django and Airflow applications and services.

• 5+ years of hands‑on experience with AWS services, including ECS, Lambda, RDS, S3, MWAA and others

• Strong proficiency in Infrastructure as Code (IaC) using Pulumi or Terraform

• Expertise in GitHub Actions for CI/CD automation

• Deep understanding of container orchestration using Docker

• Experience with secret management tools and techniques

• Comprehensive knowledge of security best practices for cloud infrastructure

• Database performance optimization skills a plus

• Fintech experience is a plus

• Experience with SOC2 compliance requirements a plus

Our Tech Stack

• Frontend - React

• Backend - Django, Airflow DAG, Postgres

• Infrastructure - Docker, ECS, RDS, Lambda, Airflow, Pulumi or Terraform, Github Action, Prometheus/Grafana

• CRM - Hubspot

• Others - Retool, Google Analytics

The expected salary range for this role is between $170,000 - $180,000, depending on qualifications and experience.

Note that this role is based in our Back Bay office in Boston. Daylit welcomes applicants with any type of work authorization.