{"id":63957,"url":"https://alion.io/job/sezzle-software-engineer-intern","title":"Software Engineer Intern","company":{"id":5674,"name":"Sezzle","domain":"sezzle.com","url":"https://alion.io/company/sezzle","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":92,"open_postings":124,"ghost_share":0.008,"stale_share":0.298,"repost_share":0.008,"time_to_fill_p50_days":58,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Backend","role_family":"Backend","seniority":"intern","employment_type":"internship","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bogotá, Colombia","Colombia"],"countries":["CO"],"hiring_countries":["CO"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Claude","optional":false},{"name":"Go","optional":false},{"name":"JavaScript","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"AWS","optional":true},{"name":"CI/CD","optional":true},{"name":"ElasticSearch","optional":true},{"name":"Git","optional":true},{"name":"GitLab","optional":true},{"name":"Kubernetes","optional":true},{"name":"MySQL","optional":true},{"name":"PostgreSQL","optional":true},{"name":"React Native","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2025-04-11T21:44:00Z","employer_posted_date":"2026-08-31","last_verified_at":"2026-10-26T21:28:52Z","board_verified":true,"closed_at":null,"days_open":563,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":562},"description":"Software Engineer Intern\nJob Title: Software Engineer Intern\nLocation: Remote / Colombia\nAbout Sezzle:\nSezzle is a cutting-edge fintech company dedicated to financially empowering the next generation. Through our payment platform, we provide interest-free installment plans to consumers, driving sales for thousands of eCommerce merchants. Our mission is to bridge the gap between consumers' needs and modern payment solutions.\nAbout the Role:\nWe are seeking a passionate Software Engineer Intern to join our innovative technology team. This is a great opportunity to gain hands-on experience and work within a highly skilled group of developers to build and maintain features for Sezzle’s platform. As a Software Engineer Intern, you’ll contribute to real-world projects, participate in code reviews, and gain exposure to Sezzle’s technology stack.\nWhat You'll Do:\nAssist in developing and maintaining backend and frontend services.\nWrite clean, scalable code and participate in code reviews.\nCollaborate with the engineering team to implement new features and resolve bugs.\nWork on performance tuning, debugging, and scaling of Sezzle's platform.\nDocument software functionalities and contribute to the knowledge base.\nSezzle’s Technology Stack:\nLanguages: Golang, Typescript, Python\nFrontend: Typescript - React and React Native\nBackend: Golang\nDatabase: MySQL, Postgres, Elasticsearch\nDevOps & Cloud: AWS, Kubernetes\nVersion Control: Git\nCI/CD: Gitlab\nTesting: Developer-driven, focus on automated unit, integration, and end-to-end tests\nSezzle is focused on using open source, and we build what we can before buying!\nWhat We Look For:\nExperience with Golang, Python, or any backend language.\nFamiliarity with Javascript/Typescript, and React or similar framework.\nBasic understanding of databases and SQL.\nEagerness to learn and adapt to new technologies quickly.\nProblem-solving mindset and attention to detail.\nDemonstrated experience working with Claude or equivalent large language model tools is required; candidates must be comfortable leveraging AI to enhance productivity, research, and communication.\nAbout You:\nYou are curious, eager to learn, and not afraid to ask questions.\nYou are passionate about technology and eager to develop your skills.\nYou enjoy working collaboratively and contributing to a fast-paced team.\nYou have a strong desire to solve complex problems.\nWhat Makes Working at Sezzle Awesome:\nAt Sezzle, you’ll be part of a dynamic team, work on real-world fintech solutions, and get mentorship from experienced engineers. 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