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Applaudo

Senior Java Developer – Temporary Contract

Applaudo

Senior Java Backend Engineer developing scalable backend systems for high-volume transactional systems at Applaudo. Mentoring engineers and contributing to platform evolution initiatives.

Posted 6/23/2026contractRemote • 🇲🇽 MexicoSeniorWebsite

Tech Stack

Tools & technologies
AzureCloudDistributed SystemsDockerDynamoDBElasticSearchGrafanaGraphQLGRPCJavaJenkinsKafkaKubernetesMicroservicesMySQLPostgresPrometheusRedisSpringSpring BootSpringBootTerraform

About the role

Key responsibilities & impact
  • Design and develop scalable, fault-tolerant backend services following Microservices and Hexagonal Architecture principles.
  • Deploy and manage containerized applications on Azure Kubernetes Service (AKS) using Docker and Azure-native infrastructure.
  • Collaborate with Product and Engineering teams to translate business requirements into scalable technical solutions.
  • Create architecture documentation, estimations, and user stories that support Agile delivery processes.
  • Ensure platform performance, security, reliability, and SLA compliance through engineering best practices.
  • Mentor and guide engineers while promoting ownership, quality, and technical excellence.
  • Lead and participate in code reviews to ensure scalability, maintainability, and adherence to engineering standards.
  • Contribute to observability, incident response, and continuous platform improvement initiatives.
  • Influence technical roadmaps and contribute to architecture, tooling, and platform decisions.
  • Support operational excellence initiatives across backend systems and cloud environments.

Requirements

What you’ll need
  • Bachelor’s Degree in Computer Science, Software Engineering, Computer Engineering, or a related field is desired, or equivalent professional experience.
  • 6+ years of professional experience in Java backend development.
  • 2+ years of hands-on experience with Spring Boot and Spring WebFlux.
  • Strong experience designing and maintaining Microservices architectures and distributed systems.
  • Solid understanding and practical application of Hexagonal Architecture (Ports & Adapters).
  • Proven experience building and optimizing backend applications in high-throughput, low-latency environments.
  • Experience with relational and non-relational databases such as PostgreSQL, MySQL, or DynamoDB.
  • Familiarity with distributed caching technologies such as Redis or Memcached.
  • Hands-on experience with Azure cloud services, including AKS, App Service, Application Gateway, and Storage Account.
  • Strong experience with Docker and Kubernetes for containerization and orchestration.
  • Exposure to CI/CD practices and tools such as Git, GitHub Actions, Jenkins, or Terraform.
  • Solid understanding of secure coding practices, authentication flows, and encryption fundamentals.
  • Experience implementing monitoring and observability solutions such as Datadog, Prometheus, or Grafana.
  • Experience working with SaaS platforms or high-volume transactional systems such as eCommerce or fintech platforms.
  • Experience with Kafka, GraphQL, gRPC, or Elasticsearch. (Nice to have).
  • 2+ years of experience mentoring engineers, leading initiatives, or owning critical services.
  • Strong communication skills and advanced English proficiency for direct collaboration with US-based teams and stakeholders.

Benefits

Comp & perks
  • Professional development opportunities
  • Flexible working hours

ATS Keywords

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Hard Skills & Tools
JavaSpring BootSpring WebFluxMicroservicesHexagonal ArchitectureDockerKubernetesPostgreSQLMySQLRedis
Soft Skills
mentoringcollaborationcommunicationleadershipownershipquality assurancetechnical excellenceproblem-solvinginfluenceinitiative
Certifications
Bachelor’s Degree in Computer ScienceBachelor’s Degree in Software EngineeringBachelor’s Degree in Computer Engineering