Senior Software Engineer (Backend, Golang)

About the role

Sezzle, a fintech and retail company behind interest-free installment plans, is hiring a Senior Software Engineer for a backend-focused position. The role works with Product, Support and business stakeholders, partners with other engineering teams and includes mentoring teammates. It suits someone with 8+ years of experience in a fast-paced, growing team.

Key responsibilities

• Design software applications and features in Golang and React
• Help build a distributed architecture and scale solutions within it
• Work with internal stakeholders to design market-winning products
• Develop and collect metrics to improve existing products
• Deliver high-quality, testable features following reporting standards
• Lead small development teams and mentor teammates as needed

Required profile

• At least 7 years of full-stack software engineering experience
• Bachelor's degree in Computer Science, Engineering or a related technical field
• Experience building REST APIs, distributed cloud architectures and commercial APIs and web apps
• Demonstrated use of Claude or equivalent large language model tools
• Preferred: SQL databases via an ORM, observability tools (Prometheus, NewRelic, Datadog), CI/CD, Kubernetes on AWS

Required skills

• Golang and TypeScript/React
• REST APIs with Go (preferred) and Java, Python or similar
• Cloud and distributed systems (e.g., RabbitMQ, SQS, Kafka)
• MySQL, PostgreSQL, Elasticsearch
• AWS, Kubernetes, Git, automated testing

The interview process includes a Wonderlic test, recruiter screening, coding assessment and several engineering interviews. The stated pay is $5,000 - $9,500 USD gross per month.