{"schemaVersion":"jobsearcher.job.v1","id":"3eaae18e3fbcb62c4483ecd2","url":"https://jobsearcher.com/jobs/3eaae18e3fbcb62c4483ecd2","canonicalUrl":"https://jobsearcher.com/jobs/3eaae18e3fbcb62c4483ecd2","title":"Sr. Backend Engineer","description":"About the Role\nWe're looking for a Senior Backend Engineer to independently own features and deliver high-quality backend systems. You'll take projects from spec to production, write code that others want to work with, and help mentor newer engineers.\nAt this level, you're a reliable, autonomous contributor—you can scope and ship features end-to-end with minimal guidance and proactively unblock yourself and others.\nWhat You'll Do\nOwn features end-to-end — Scope, design, build, test, and ship features independently\nWrite quality code — Deliver clean, testable, well-documented code with strong testing discipline\nUnblock the team — Proactively help teammates debug issues and remove blockers\nHandle on-call — Confidently respond to incidents using observability tools\nMentor newer engineers — Support E1s through pairing, onboarding, and code review\nLeverage AI daily — Use AI tools to accelerate coding, debugging, testing, and learning\nPay down tech debt — Identify and fix issues that slow the team down\nWhat We're Looking For\nTechnical\n3+ years building backend systems\nStrong experience with Java (Python/Go a plus)\nGood understanding of distributed systems, APIs, and cloud infrastructure\nStrong testing discipline—unit tests, integration tests, edge cases\nSystematic debugging skills across service boundaries\nAI Fluency\nUses AI tools (Copilot, Claude, ChatGPT) daily for coding, debugging, and test generation\nBuilds reusable prompts or workflows that help the team\nTeaches effective AI usage to junior engineers\nCurious about new AI capabilities relevant to backend development\nCommunication\nWrites clear design docs and runs small design discussions\nGives and receives direct, timely feedback\nFluent in Spanish; working knowledge of English for cross-team collaboration\nMindset\nSelf-directed; you don't wait to be told what to do\nComfortable with ambiguity and changing requirements\nProduct-minded—you care about business outcomes, not just code\nNice to Have\nExperience in fintech, payments, or lending\nFamiliarity with our stack: AWS (ECS, Lambda), PostgreSQL, Kafka, DataDog\nOn-call and incident response experience\nUnderstanding of the Mexican fintech ecosystem (BNPL, credit, regulation)\nOur Stack\nJava (primary), Python, Go · AWS (ECS, Lambda) · PostgreSQL · Kafka · DataDog · Pulumi · Jenkins\nWhy Aplazo\nOur mission is to empower financial access and opportunity across Latin America through fair, simple, and transparent solutions. Our tech vision: be the most beloved and innovative tech organization in Latin America.\nWe're a Series B fintech growing fast—you'll have real ownership, impact, and the chance to shape how millions of people access credit.\nPro Tip:\nHow do we review your CV? Help us find you!\nWe filter applications with the help of AI. To ensure your profile is properly evaluated, we recommend describing your experience using the keywords from this job posting.\n#Ly-remote\nPersonal data collected during the recruitment process will be processed in accordance with the Privacy Notice of Aplaz, S.A. de C.V. (“Aplazo”), available at our Privacy and Policy Notice.\nAplazo does not discriminate on the basis of race, religion, skin color, sex, gender, age, ethnic or national origin, marital status, disability, social or economic status, sexual preferences, or any other condition or characteristic. Selection is based solely on the qualifications and merits of the candidates.\n#LI-Remote","company":"Aplazo","rawCompany":"aplazo","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-08-15T12:50:35.045Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Sr. Backend Engineer","description":"About the Role\nWe're looking for a Senior Backend Engineer to independently own features and deliver high-quality backend systems. You'll take projects from spec to production, write code that others want to work with, and help mentor newer engineers.\nAt this level, you're a reliable, autonomous contributor—you can scope and ship features end-to-end with minimal guidance and proactively unblock yourself and others.\nWhat You'll Do\nOwn features end-to-end — Scope, design, build, test, and ship features independently\nWrite quality code — Deliver clean, testable, well-documented code with strong testing discipline\nUnblock the team — Proactively help teammates debug issues and remove blockers\nHandle on-call — Confidently respond to incidents using observability tools\nMentor newer engineers — Support E1s through pairing, onboarding, and code review\nLeverage AI daily — Use AI tools to accelerate coding, debugging, testing, and learning\nPay down tech debt — Identify and fix issues that slow the team down\nWhat We're Looking For\nTechnical\n3+ years building backend systems\nStrong experience with Java (Python/Go a plus)\nGood understanding of distributed systems, APIs, and cloud infrastructure\nStrong testing discipline—unit tests, integration tests, edge cases\nSystematic debugging skills across service boundaries\nAI Fluency\nUses AI tools (Copilot, Claude, ChatGPT) daily for coding, debugging, and test generation\nBuilds reusable prompts or workflows that help the team\nTeaches effective AI usage to junior engineers\nCurious about new AI capabilities relevant to backend development\nCommunication\nWrites clear design docs and runs small design discussions\nGives and receives direct, timely feedback\nFluent in Spanish; working knowledge of English for cross-team collaboration\nMindset\nSelf-directed; you don't wait to be told what to do\nComfortable with ambiguity and changing requirements\nProduct-minded—you care about business outcomes, not just code\nNice to Have\nExperience in fintech, payments, or lending\nFamiliarity with our stack: AWS (ECS, Lambda), PostgreSQL, Kafka, DataDog\nOn-call and incident response experience\nUnderstanding of the Mexican fintech ecosystem (BNPL, credit, regulation)\nOur Stack\nJava (primary), Python, Go · AWS (ECS, Lambda) · PostgreSQL · Kafka · DataDog · Pulumi · Jenkins\nWhy Aplazo\nOur mission is to empower financial access and opportunity across Latin America through fair, simple, and transparent solutions. Our tech vision: be the most beloved and innovative tech organization in Latin America.\nWe're a Series B fintech growing fast—you'll have real ownership, impact, and the chance to shape how millions of people access credit.\nPro Tip:\nHow do we review your CV? Help us find you!\nWe filter applications with the help of AI. To ensure your profile is properly evaluated, we recommend describing your experience using the keywords from this job posting.\n#Ly-remote\nPersonal data collected during the recruitment process will be processed in accordance with the Privacy Notice of Aplaz, S.A. de C.V. (“Aplazo”), available at our Privacy and Policy Notice.\nAplazo does not discriminate on the basis of race, religion, skin color, sex, gender, age, ethnic or national origin, marital status, disability, social or economic status, sexual preferences, or any other condition or characteristic. Selection is based solely on the qualifications and merits of the candidates.\n#LI-Remote","datePosted":"2026-08-15T12:50:35.045Z","dateModified":"2026-08-15T12:50:35.045Z","hiringOrganization":{"@type":"Organization","name":"Aplazo","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"3eaae18e3fbcb62c4483ecd2"},"url":"https://jobsearcher.com/jobs/3eaae18e3fbcb62c4483ecd2"}}