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Principal Software Engineer

Sezzle

$4,600 - $8,500
Apr 15, 2025
Cambridge, MA, US
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Sezzle is seeking a Principal Software Engineer to tackle complex problems, design and develop new features, and mentor teammates in a rapidly growing team.

Requirements

  • At least 12 years of full-stack software engineering experience
  • Experience with building and serving REST APIs using Go and Java Python or a similar language
  • Experience working in a distributed, cloud-based architecture, with either design patterns like transactional outboxes, or queuing tools like RabbitMQ, SQS, Kafka
  • Experience with SQL based RDMS through an ORM tool
  • Comfortable using observability platforms like Prometheus, or vendor solutions like NewRelic or Datadog to instrument your code for production monitoring and alerting
  • DevOps experience with CI/CD pipelines
  • Familiarity with containerized micro-service architecture deployed with Kubernetes on AWS

Responsibilities

  • Design software applications and features in Golang, React, React Native
  • Help build out a distributed architecture, creating solutions that work within it, maintaining consistency while scaling highly
  • Develop and collect metrics to drive continuous improvement of existing products
  • Deliver high quality features which can be tested and adheres to reporting standards
  • As needed, lead cross-team efforts to bring a specific project to market
  • Mentor other engineering teammates to help elevate their experience and knowledge

Other

  • BS in Computer Science or similar degree, or equivalent work experience
  • You have relentlessly high standards
  • You’re not bound by convention
  • You need action
  • You earn trust
  • You have backbone; disagree, then commit
  • You deliver results