Software Engineer II — AI-Driven Frontend/Backend, Remote

Visa Hunt; Poland; On-site; PLN 120,000 - 180,000; Full time

Job summary

Sezzle is seeking a Software Engineer II to join a fast-paced, high IQ and high EQ team. You will work with engineers across multiple teams to design, develop, and deliver scalable features that power a growing fintech platform.

You will contribute to design discussions, code reviews, and mentor engineers while expanding your own scope as the platform evolves. A strong emphasis on end-to-end delivery and high-quality software defines this role.

Qualifications

• Experience solving technical problems as part of a team.
• Demonstrated experience using Claude or equivalent large language model tools.
• Bachelor's degree in Computer Science, Engineering, or a related field.
• Familiarity with modern frontend development; React experience preferred.
• Ability to solve problems with backend-focused languages like Go.
• Intermediate understanding of relational databases like MySQL.

Responsibilities

• Build and maintain new innovative product features focused on actively learning new areas of the product
• Collaborate with owners for different product features to gain insight and offer constructive suggestions for improvements
• Be an active participant in design/architecture discussions sharing your ideas while building the next generation of features for the Sezzle platform
• Hands-on with our codebase and a contributor to code reviews
• Mentor other engineers who are starting along their career path
• Work with the team to continuously build and deploy scalable solutions
• Assist in planning, estimations, and completion for projects brought up by the team stakeholders

Skills

Team collaboration

Claude or LLM tools

Go

React

MySQL

Automated tests

Education

Bachelor's degree in Computer Science / Engineering

Job description

Sezzle is seeking a Software Engineer II to join a fast-paced, high IQ and high EQ team. You will work with engineers across multiple teams to design, develop, and deliver scalable features that power a growing fintech platform.

You will contribute to design discussions, code reviews, and mentor engineers while expanding your own scope as the platform evolves. A strong emphasis on end-to-end delivery and high-quality software defines this role.