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PetsApp

Senior Full Stack Engineer

boston, MA

Check who can apply and the requirements below before continuing.

About this opportunity

PetsApp lists this Senior Full Stack Engineer opportunity in boston, Massachusetts. Review the employer’s description below for duties, qualifications and application requirements.

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 seeking a highly skilled and motivated Back End Engineer to join our team and play a critical role in ensuring the stability, performance, and scalability of our core platform. This role will focus on optimizing our lending system, payment processing process, designing and implementing API improvements, and leading technical architecture decisions. The ideal candidate will have a strong background in Python and Django, a deep understanding of database optimization, and a proven track record of leading technical projects.

What You’ll Do

Optimize and Scale Core Lending Systems: Identify and resolve performance bottlenecks, improve reliability, and ensure the security of our lending and payment processing infrastructure.

Design and Implement API Routes: Develop and maintain robust and efficient RESTful APIs to support our growing product offerings.

Refactor Deal Calculation Library: Improve the efficiency and maintainability of our deal calculation library, ensuring accurate and timely calculations.

Improve Database Performance: Optimize database queries, schema design, and indexing to enhance overall system performance.

Lead Technical Architecture Decisions: Collaborate with the team to define and implement scalable and maintainable architectural solutions.

Contribute to code reviews, documentation, and participate in Agile development processes.

What You’ve Done

5+ years of professional Python development experience

Strong expertise in the Django framework

Advanced knowledge of SQL and database optimization techniques

Proven experience in REST API design and development

Demonstrated ability to lead technical projects and mentor junior engineers

Experience with Docker and containerization technologies

Experience in AWS Infrastructure, such as ECS, Lambda, RDS a plus

Hands‑on experience with lending/payment processing systems a plus

Experience with microservices architecture a plus

Experience working with frontend team/React App CICD/testing framework a plus

Familiarity with data science and engineering tools such as Pandas, scikit‑learn, Airflow, Hubspot, and Confluent a plus

Our Tech Stack

Backend - Django, Airflow, Postgres

Frontend - React

Infrastructure - Docker, ECS, 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.

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Worksite address

boston, MA, 02298, US

Who can apply

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