Senior Software Engineer

Senior Software Engineer Seniority Level: Mid‑Senior; Employment Type: Full‑time; Job Function: Engineering and Information Technology. Location: Mexico City, Mexico. Salary: $5,000 – $8,500 per month (Gross in USD) About Sezzle: 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. Compensation: For this senior development role, with 8+ years of experience, the compensation range is $5,000 – $8,500 per month. This range acknowledges the extensive expertise, leadership capabilities, and significant contributions expected at this level, offering a competitive salary to reflect the value of advanced skills and experience. About the Role We are seeking a talented and motivated Senior Software Engineer who is best in class with a high IQ plus a high EQ. In this backend focused role, you will work closely with stakeholders from Product, Support, and the business, partnering with other engineering teams to provide high‑quality, scalable, and innovative solutions to internal and customer problems. Your day‑to‑day responsibilities will include designing, developing, and delivering new features, as well as unblocking and mentoring your teammates. Responsibilities Design software applications and features in Golang and React 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 features that can be tested and adhere to reporting standards Lead small development teams to bring a project to market as needed Mentor other engineering teammates to help elevate their experience and knowledge 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 (preferably) and Java, Python, or a similar language Experience working in a distributed, cloud‑based architecture, with design patterns like transactional outboxes or queuing tools such as RabbitMQ, SQS, Kafka BS in Computer Science or a similar degree Preferred Skills Experience with SQL‑based RDBMS through an ORM tool Comfortable using observability platforms like Prometheus, New Relic, or Datadog to instrument code for production monitoring and alerting DevOps experience with CI/CD pipelines Familiarity with containerized micro‑service architecture deployed with Kubernetes on AWS Demonstrated history of delivering commercial APIs and web applications A clear record of getting products to market and prioritizing solutions and improvements based on stakeholder/customer feedback What You’ll Bring You have relentlessly high standards – many people may think your standards are unreasonably high. You continually raise the bar and drive those around you to deliver great results. 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; you disagree, then commit – you can respectfully challenge decisions when you disagree, even when uncomfortable or exhausting. You have conviction and are tenacious. You refuse to compromise for the sake of social cohesion. Once a decision is made, 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. Interview Process Application submitted Cognitive test (12 minutes) Coding assessment (1.5 hours) Interview with recruiters (30 minutes) Interview with engineers (1 hour) Interview with engineering leadership (30-45 minutes) Offer 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 Testing: Developer‑driven, focus on automated unit, integration, and end‑to‑end tests Sezzle focuses on open source; we build what we can before buying Work Culture 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 the best and the brightest individuals, as well as those that are unique and purpose‑driven in all that they do. Our culture is not defined by a set of perks designed to give the illusion of a traditional startup culture, but rather it is the visible example living in every employee that we hire. #J-18808-Ljbffr