Software Engineer II (Marketing & Mobile)

With a mission to financially empower the next generation, Sezzle is revolutionizing the shopping experience beyond payments, blending cutting-edge tech with seamless, interest-free installment plans that make shopping smarter and more accessible. We're not just transforming payments; we're redefining how people discover, interact with, and purchase the things they love while driving real impact on merchant sales through increased conversions and higher order values. As we continue to shape the future of fintech and retail, we're building an innovative, dynamic team passionate about creating more than just a transaction but a truly unique shopping journey. If you're excited about pushing boundaries in tech and delivering a game-changing experience for consumers and merchants alike, come join us at Sezzle and help create the future of shopping!, We are seeking a talented and motivated Software Engineer II who is best in class with a high IQ plus a high EQ. This role presents an exciting opportunity to thrive in a dynamic, fast-paced environment within a rapidly growing team, with abundant prospects for career advancement. This role sits within our Marketing & Mobile Engineering organization. You will work across our marketing technology stack and mobile surfaces, building systems that power lifecycle messaging, attribution, content delivery, and in-app experiences for millions of users. The work directly influences Sezzle's core growth metrics - subscriber acquisition, engagement, and retention. You will work closely with other engineers across multiple teams to provide high-quality, scalable, and innovative products. Your day-to-day responsibilities will include partnering with other engineers to design, develop, and deliver new features. As your skills grow so will the size and scope of the projects which you'll be involved in. Sezzle has a strong culture for promotion with defined paths through Engineering that matches all levels. You'll be working as part of a full-stack Engineering team which has varied disciplines.

What You'll Do:

• Build and maintain features across our marketing technology platform and mobile applications, actively learning new areas of the product
• Develop and extend integrations with marketing and analytics platforms (e.g., lifecycle automation tools, attribution systems, content management platforms)
• Contribute to backend services, APIs, and data pipelines that power campaign targeting, user segmentation, and messaging delivery
• Collaborate with Marketing, Product, and Analytics stakeholders to translate business requirements into engineering solutions
• Be an active participant in design and 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 team stakeholders
• Leverage AI-assisted development tools to accelerate delivery and improve code quality, * You have relentlessly high standards - many people may think your standards are unreasonably high. You are continually raising the bar and driving those around you to deliver great results. You make sure that defects do not get sent down the line and that problems are fixed so they stay fixed.
• You're not bound by convention - your success-and much of the fun-lies in developing new ways to do things
• You need action - speed matters in business. Many decisions and actions are reversible and do not need extensive study. We value calculated risk-taking.
• You earn trust - you listen attentively, speak candidly, and treat others respectfully.
• You have backbone; disagree, then commit - you can respectfully challenge decisions when you disagree, even when doing so is uncomfortable or exhausting. You have conviction and are tenacious. You do not compromise for the sake of social cohesion. Once a decision is determined, you commit wholly.
• You deliver results - you focus on the key inputs and deliver them with the right quality and in a timely fashion. Despite setbacks, you rise to the occasion and never settle.

Sezzle's Technology Stack:

• Languages: Golang, Typescript, Python
• Frontend: Typescript - React and React Native
• Backend: Golang
• Database: MySQL, Postgres, Elasticsearch
• DevOps & Cloud: AWS, Kubernetes
• Version Control: Git
• CI/CD: Gitlab
• Marketing & Analytics: Braze, AppsFlyer, Contentful, Redshift, Redash
• Testing: Developer-driven, focus on automated unit, integration, and end-to-end tests
• Sezzle is focused on using open source, and we build what we can before buying!, empowers shoppers to purchase today, and make 4 interest-free payments over 6 weeks

• Experience solving technical problems as part of a team
• Bachelor's in computer science (required)
• Familiarity with modern Frontend Development, with React experience preferred
• Ability to solve problems with backend-focused languages like Go or similar compiled statically typed language
• Intermediate understanding of relational databases like MySQL

Preferred Knowledge and Skills:

The following are valued but not required, we encourage candidates to apply even if they don't check every box.

We're looking for strong engineers who are eager to learn and grow into these areas:

• Marketing technology platforms: Experience or exposure to tools such as Braze, AppsFlyer, Contentful, or comparable lifecycle messaging, mobile attribution, and headless CMS platforms
• Mobile development: Familiarity with React Native, native iOS/Android development, or mobile SDK integration
• AI tooling & agentic coding: Hands-on experience using AI-assisted development tools (e.g., Claude Code, GitHub Copilot, Cursor, or similar) to accelerate engineering workflows, and openness to incorporating agentic coding patterns into daily work
• Knowledgeable in writing automated tests for applications (unit, integration, endto-end)
• Familiar with the basic principles and design of RESTful APIs
• Basic knowledge of a Microservice Architecture
• Close familiarity with software engineering tools, software development methodology, and release processes
• Experience working with event-driven architectures, message queues, or workflow orchestration tools
• Comfort working across the full stack - from backend services and data pipelines to frontend UI and mobile surfaces

For this mid-level development role, with 3-7 years of experience, the compensation range is $2,800 - $6,000 USD per month. This range is designed to reflect the skills, experience, and value brought to the team, ensuring competitive and fair pay within the industry.

Interview Process

We believe transparency is important at Sezzle. Regularly providing feedback while setting expectations is part of our culture starting with the interview process. Advancement through each step is not guaranteed.

• Application submitted (you are here)
• Wonderlic test (30-40 min)
• Coding assessment (:1.5 hours)
• Interview with recruiters (30 min)
• Interview with engineers (1 hour)
• Interview with engineering leadership (30-45 min)
• Offer!

At Sezzle, we are more than just brilliant engineers, passionate data enthusiasts, out-of-the-box thinkers, and determined innovators; we are skilled musicians, yogis, cyclists, chefs, golfers, dog-lovers, and rock-climbers. We believe in surrounding ourselves with not only the best and the brightest individuals, but those that are unique and purpose-driven in all that they do. Our culture is not defined by a certain set of perks designed to give the illusion of the traditional startup culture, but rather, it is the visible example living in every employee that we hire., About Sezzle 51-200