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Aplazo

Lead Backend Engineer

Aplazo

Senior Backend Engineer developing backend systems at Aplazo. Collaborating on financial access solutions for merchants in Latin America.

Posted 7/27/2026full-timeRemote • 🇲🇽 MexicoSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Backend Development with Java, Python, and Go, while effectively utilizing AWS tools and CI/CD practices. Emphasizes collaboration, communication, and a growth mindset to foster team success and continuous improvement.

Highest-signal resume keywords
Backend Development (Java)E-Commerce APIsAWS Tools (ECS, Lambdas)CI/CD (Pulumi, Jenkins)Observability (DataDog)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Integration Software DevelopmentReadable Code WritingTestable Code PracticesMaintainable Code StandardsAgile MethodologiesDevOps PracticesWorkflow HygieneIncident Response ProcessesBackend PatternsTechnical Documentation
Soft Skills
Excellent Communication SkillsTeam CollaborationProactive Problem SolvingGrowth MindsetAdaptability to Change
Industry Keywords
FintechDistributed SystemsObservability CultureContinuous LearningUser Stories

Tech Stack

Tools & technologies
AWSDistributed SystemsGoJavaJenkinsPython

About the role

Key responsibilities & impact
  • Scale our Core Services Ecosystem: You will help architect and build the backend systems that our Customers and internal teams interact with every day.
  • Solve Problems: This is first and foremost your responsibility as an Engineer. You have many tools at your disposal (Development, communication, new process).
  • Technical work: Write (and/or learn) plenty of sustainable, testable, high-quality, high-performance code (and be willing to be mentored on how to do the same).
  • Team work: Be proactive, ask, and participate in discussions on topics such as testing, and code quality.
  • Practice the ways of Devops: Improving our processes, feedback, systems, culture, and workflows.
  • Foster a culture of observability and monitoring: Be open to learning how to use operational data to help your team improve the stability and performance of our systems.
  • Learn and Evolve: Be open to learning how to scale yourself, taking feedback, and also help others to scale their own talents.

Requirements

What you’ll need
  • Years of experience: 4+ years in developing integration software systems.
  • Experience working on teams and projects that have dealt with E-commerce APIs and distributed systems.
  • You write code that’s easily readable, testable, and maintainable
  • You have worked with some/all of our technology stack: Backend (Java) (w/ some Python and Go mixed in AWS tools (ECS, Lambdas), Ci/CD(Pulumi, Jenkins), Observability (DataDog)
  • Good habits with technical documentation and knowledge sharing
  • You have heard of people over process (Agile), but understand that good process leads to better work (Devops).
  • You understand that workflow hygiene (well defined user-stories/tasks and estimation) is important.
  • You are good at managing the ambiguity of a rapidly-growing company: adjusting to changing priorities, and asking for help when guidance is limited and information is incomplete.
  • Excellent communication skills: Understand the importance of sharing and collaborating with peers both verbally and in writing (in Spanish, with ability to also communicate with vendors or teammates in English as necessary)
  • You work well on team projects with multiple stakeholders, contributors, and are comfortable contributing to technical projects for your team.
  • You have a growth mindset and seek mentorship to be your best self
  • You have worked in Fintechs with Backend/API teams
  • You are comfortable working and discussing common backend patterns
  • You have heard of the State of Devops
  • You have worked with/heard of Oncall and Incident Response processes
  • You favor regular, incremental delivery of value over perfection.
  • You like small units of work, PR comments, and feedback
  • You’re excited about ensuring that all of our systems-software and human-scale smoothly
  • You strive for continuous learning and improvement for yourself and your team.

Benefits

Comp & perks
  • Professional development opportunities
  • Flexible work arrangements