Senior Software Engineer - FinTech (Accounting) Remote

Sezzle; United States; Remote; USD 56,000 - 106,000; Full time

Job summary

Sezzle is seeking a Senior Software Engineer with accounting and financial experience to join a fast-growing fintech team. You will design, develop, and optimize systems powering financial reporting, reconciliation, and automation, collaborating with Accounting and Finance to ensure data integrity and auditable processes.

You will mentor engineers, influence technical direction, and deliver high-quality features in Go, Python, and SQL, while building scalable, compliant software and

Qualifications

• 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 and Java Python or a similar language.
• Demonstrated experience working with Claude or equivalent large language model tools is required; candidates must be comfortable leveraging AI to enhance productivity, research, and communication.
• Bachelor’s degree in Accounting, Computer Science, Engineering, or a related technical field.

Responsibilities

• Collaborate with cross-functional teams to enhance and maintain software solutions for financial processes.
• Participate fully in the software development lifecycle, from design through deployment.
• Build new features and products as part of an integrated engineering team.
• Leverage accounting background to identify gaps and improve automation and reconciliation workflows.
• Evaluate and deploy software tools, processes, and metrics.
• Provide support and consulting on software systems usage.
• Ensure compliance with project plans and industry standards.
• Design software applications and features in Golang
• Build reports and automations using Python and SQL.
• 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, testable features that meet reporting and compliance standards.
• Mentor other engineering teammates to help elevate their experience and knowledge

Skills

Full-stack software engineering

REST APIs

Go

Python

Java

Claude AI tools

Leadership / mentoring

Education

Bachelor’s degree in a related technical field

Tools

MySQL

PostgreSQL

Kubernetes

AWS

Prometheus

NewRelic

Datadog

Git

Job description

Sezzle is seeking a Senior Software Engineer with accounting and financial experience to join a fast-growing fintech team. You will design, develop, and optimize systems powering financial reporting, reconciliation, and automation, collaborating with Accounting and Finance to ensure data integrity and auditable processes.

You will mentor engineers, influence technical direction, and deliver high-quality features in Go, Python, and SQL, while building scalable, compliant software and