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Lead Java Developer (Fitness sphere)

Mexico

Company Background

Our client is a leading U.S.-based fitness franchisor operating 2,400+ clubs worldwide. Its digital ecosystem supports both franchise operations and member experiences, including onboarding, membership management, payments, and engagement features.

Project Description

The Lead Java Engineer will work on the high-load backend platform, which serves mobile applications through BFF and microservice-based architecture, cloud infrastructure, and extensive third-party integrations. The role combines hands-on backend development with technical leadership, including solution design, architectural decision-making, integration of new technologies, issue resolution, and continuous improvements to scalability, reliability, and maintainability.

Technologies

  • Java 21, Spring Boot 3
  • Microservices architecture
  • AWS (SQS, SNS, S3, EKS, Kinesis, Redis, RDS, DynamoDB)
  • Datadog
  • Third-party integrations

What You'll Do

  • Lead architectural decisions and contribute to technical strategy;
  • Drive technical discussions and solution design with technical and non-technical stakeholders;
  • Evaluate new technologies and architectural approaches, including event-driven solutions and integrations;
  • Lead the integration of new technologies into existing high-load backend services;
  • Coordinate distributed teams and ensure alignment across stakeholders;
  • Provide hands-on support when needed: design, implement, and troubleshoot complex backend solutions;
  • Proactively identify technical risks, ambiguities, and delivery challenges, and communicate them with proposed solutions;
  • Lead POCs, spikes, and technical investigations;

Job Requirements

  • 7+ years of experience in Java backend development;
  • Strong expertise in Java, Spring Boot, and modern backend architectures;
  • Deep understanding of distributed systems and microservices architecture;
  • Experience with AWS or other cloud platforms, preferably in cloud-native backend environments;
  • Experience leading teams, technical initiatives, or architectural decisions;
  • Ability to work effectively in fast-paced, ambiguous environments with evolving requirements;
  • Strong problem-solving mindset and ability to handle uncertainty;
  • Excellent communication skills with the ability to explain and justify technical decisions;
  • English level: B2 (Upper-Intermediate) or higher;

What Do We Offer

The global benefits package includes:

  • Technical and non-technical training for professional and personal growth;
  • Internal conferences and meetups to learn from industry experts;
  • Support and mentorship from an experienced employee to help you professional grow and development;
  • Health insurance;
  • English courses;
  • Sports activities to promote a healthy lifestyle;
  • Flexible work options, including remote and hybrid opportunities;
  • Referral program for bringing in new talent;
  • Work anniversary program and additional vacation days.

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