Senior Software Engineer

Reports to: Engineering ManagerFLSA Status: ExemptAbout UsWe have been recognized as one of Built In Chicago’s Best Startups to Work for in 2026!Aeropay is a financial technology company modernizing money movement with pay by bank solutions. Headquartered in Chicago and backed by leading investors, Aeropay enables businesses to accept compliant, cashless payments through direct bank-to-bank (ACH) transfers, eliminating card fees and outdated payment rails. Powering online checkouts, in-store transactions and embedded payments, Aeropay’s flexible APIs and integrations are built on a secure and scalable infrastructure with compliance at the core. In industries where risk mitigation and user experience matter most, our platform gives our partners a faster, safer and more intuitive way to pay.Aeropay is redefining what it means to pay—and get paid—by bank.Position OverviewThe Senior Software Engineer is a vital member of the Engineering team at Aeropay, responsible for designing, developing and implementing high-quality software solutions within a specific product domain. This role requires a strong technical foundation, a passion for innovation and a collaborative approach to problem-solving. The Staff Software Engineer will contribute to the full software development lifecycle, working closely with cross-functional teams to deliver exceptional products that meet customer needs and drive business growth within their assigned domain. This position offers an opportunity to become a subject matter expert and make a significant impact on the company's technical direction, contributing to a culture of engineering excellence.Key ResponsibilitiesDesign, develop and implement software solutions that are scalable, reliable and maintainable within the assigned product domainParticipate in all phases of the software development lifecycle, from requirements gathering and design to testing and deployment — with a focus on the specific needs and challenges of the domainChampion scalable and maintainable codebases through rigorous code reviews, automated testing practices and long-term architectural thinkingLead initiatives to reduce technical debt, enforce coding standards and drive continuous improvements in code quality across engineering teamsWrite clean, well-documented and efficient code, adhering to the standards and best practices of the domainConduct code reviews and provide constructive feedback to peers, with a focus on domain-specific knowledge and expertiseTroubleshoot and debug software issues within the domain, leveraging in-depth understanding of the system and its componentsProactively contribute to the continuous improvement of development processes and best practices within the domainStay abreast of industry trends and emerging technologies relevant to the domainDevelop a deep understanding of the assigned product domain, including its business logic, user needs and technical architectureContribute to the technical roadmap and strategy for the domainQualificationsBachelor’s degree or extensive certification in a related field is preferred6+ years of relevant experience in progressive engineering leadership rolesStrong proficiency in PythonSolid understanding of cloud infrastructure design patterns (AWS, GCP, Azure)Experience with relational databases and SQLFamiliarity with Agile development methodologiesExcellent problem-solving and analytical skillsStrong communication and collaboration skillsAbility to work independently and as part of a teamA strong desire to learn and become a subject matter expert in a specific product domainCompensation & BenefitsThis role is expected to be in office at Aeropay’s downtown Chicago HQ weekly from Monday through ThursdaySalary Range: $150K - $170K base salary (DOE)Benefits Offered:Comprehensive Medical, Dental & Vision CoverageMaternity/Paternity Leave401(k) Employer MatchFlexible PTONOTE: This job description is not intended to be all-inclusive. Employees may perform other related duties as negotiated to meet the ongoing needs of the organization.Aeropay is an equal opportunity employer and is committed to providing a workplace free from harassment and discrimination. We celebrate the unique differences of our employees because that is what drives curiosity, innovation and the overall success of our business. We do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, gender identity or expression, age, marital status, veteran status, disability status, parental status, genetic history, political affiliation or any other status protected by the laws or regulations in the locations in which we operate.CompensationThe base pay range for this role is $180,000 – $200,000 per year.