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3Pillar Global Logo 3Pillar Global · IT - Software Development

Senior Software Engineer - Java & AWS

Mexico · Job Posted January 07, 2026
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Job Description

Elevate your expertise to new heights at 3Pillar, the premier destination for trailblazing senior software engineers like yourself. Picture collaborating with industry leaders, spearheading transformative projects that redefine urban living, establishing new media channels for enterprise companies, or driving innovation. Our mission is to revolutionize the tech landscape, and your skills are integral to achieving this ambitious goal. Your role extends beyond the realm of code composition; you will architect transformative solutions that reshape entire industries. Join us and spearhead the charge toward a tech future that transcends the ordinary.

Job Responsibility

  • Independently guide the technical direction and implementation by the whole team within defined architecture in all stages from conceptualization to deployment
  • Evaluate trade-offs between correctness, robustness, performance, and customer impact to ensure the development of the right solution, with client success at the forefront
  • Technical documentation and repository management practices, including tasks such as creating branches, pull requests, merges, etc.
  • Collaborate with product, design, and engineering teams to provide necessary oversight of architecture and dependencies influencing product strategy and direction
  • Contribute to code reviews, documentation, and addressing complex bug fixes with a focus on security, performance, and reliability
  • Practice community, mentoring Senior Engineers and others through Communities of Practice (CoPs) or on project teams, supporting the growth of technical capabilities

Requirements

  • A minimum of 7+ years of experience/expertise working as a Full Stack Engineer
  • Java 17 or superior
  • Spring boot
  • EJBs
  • Websphere Application Server
  • Tomcat Application Server
  • Microservices
  • Kubernates
  • AWS (ECS / EKS)
  • Azure Devops / Github Actions
  • DB2 Database
  • Aurora Database
  • Desirable with Mobile experience (eg. Flutter, Mobile First, Ionic)
  • Previous experience migrating Monolithic Applications to Microservices
  • High level of English proficiency required to interact with a globally-based development team
  • Experience Agile software development methodologies
  • Demonstrated experience following and adapting high-level architecture to project and client needs
  • Ability to verify/validate architecture implementations and influence overall architecture beyond the team
  • Expertise in applying object-oriented programming, with preferred experience in Java
  • High-level design proficiency following UML / C4 / ArchiMate
  • Experience in effectively working collaboratively among relevant information stakeholders to create and implement well-tested, scalable, secure, and performant enterprise-level systems that ultimately deliver the client’s desired business outcome
  • Demonstrated initiative in mentoring other engineers and decision-makers throughout the organization
  • Very good knowledge of architectural styles and design patterns, SOLID principles and OWASP
  • Must: Java 17 or superior
  • Spring Boot
  • Microservices
  • AWS (ECS / EKS)
  • Aurora Database
  • Experience using Elasticache / Redis
  • Reactive Programming pattern
  • Desirable with FrontEnd Mobile experience (Flutter)
  • Azure DevOps

Nice to have

  • EJBs
  • Websphere Application Server
  • Tomcat Application Server
  • GitHub Actions DB2 Database
  • IBM MQ experience or different Queue Manager tool experience
  • Ability to set technical strategy and direct implementation across several teams/whole product
  • Ability to refine and clarify technical details (including definition of done) based on internal or external PO for User Stories and task assignments
  • Ability to provide technical orchestration among the overall tasks
  • Experience in building CI/CD pipelines
  • Knowledge of building Cloud Native applications
  • Knowledge or experience working with mobile development (Mobile First or Flutter) ideally

What we offer

  • Medical Insurance benefits as per company policy
  • Life Insurance as per company policy
  • 15 days of paid vacation plus additional days based on tenure
  • Vacation bonus as per local law
  • Sick leave and paid holidays as per local law
  • Profit sharing as per local law
  • Paternity and maternity leave as per as per local law
  • Marriage, bereavement and graduation leaves as per company policy
  • Christmas bonuses as per local law
  • Work from home allowance as per company policy
  • Punctuality and attendance bonuses as per company policy
  • Food tickets as per company policy
  • Direct deposit of payroll
  • Paid professional certifications
  • Flexible work environment – whether it's the office, your home, or a blend of both
  • Remote-first approach
  • Part of a global team, learning from top talent around the world and across cultures
  • Well-being focus
  • Fitness offerings
  • Mental health plans (country-dependent)
  • Generous time off
  • Accelerated career growth and development opportunities - across projects, offerings, and industries
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