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Senior Software Engineer (Poland)

Sezzle

$8,000 - $11,500
Dec 17, 2025
Remote, US
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Sezzle is revolutionizing the shopping experience by blending cutting-edge technology with interest-free installment plans to make shopping smarter and more accessible. The company aims to increase merchant sales through higher conversions and order values by redefining how people interact with and purchase products.

Requirements

  • At least 7 years of full-stack software engineering experience
  • Experience bringing new ideas and building consensus on the path forward
  • Experience with building and serving REST APIs using Go (preferably) 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

Responsibilities

  • Design software applications and features in Golang and React
  • Help build out a distributed architecture, creating solutions that work within it, maintaining consistency while scaling highly
  • Coordinate with internal company stakeholders to design market winning products
  • 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 small development teams to bring a project to market
  • Mentor other engineering teammates to help elevate their experience and knowledge

Other

  • BS in Computer Science or similar degree.
  • You have relentlessly high standards
  • You’re not bound by convention
  • You need action
  • You earn trust