Senior Backend​/Infra Engineer

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.

We are looking for aSenior Backend & Dev Ops 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 Dev Ops practices (≈40% time Terraform/Pulumi, Git Hub Actions, AWS ECS, MWAA, Lambda).

You will design secure, highly available cloud architectures, automate them with IaC, and champion Dev Ops 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.

• 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 Dev Ops Practice –Define standards, tooling, and best practices for CI/CD, observability, and incident response across all engineering teams.

• Lead Migration from Digital Ocean to AWS ECS:
  Plan, execute, and manage the migration of our applications and data from Digital Ocean 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.

• 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 Git Hub 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

• 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.