Sr. Backend Developer (Python/Java)
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Sr. Backend Developer (Python/Java)
Location
Argentina • Brazil • Chile • Colombia • Mexico • Peru • Uruguay • Paraguay • Costa Rica
Experience
Senior
Posted
Jul 12, 2026
Apply by
August 11, 2026
Applicants
1
Early applicantEasy applyContractWork from Home
Job Description
## Summary
We are seeking a Senior Backend Developer (Python/Java) to join our platform engineering team and build enterprise-grade backend services that process large volumes of data and support mission-critical operations. This role focuses on designing and implementing highly scalable, high-performance microservices and APIs using primarily Python (approximately 70%) complemented by Java (30%), with a strong focus on Kubernetes-based deployments and operations.
The role offers ownership across the full software lifecycle—architecture, development, testing, deployment, performance tuning, and production support—within cloud-native and containerized environments. This is an opportunity to shape platform reliability, scalability, and operational excellence.
## Responsibilities
- Design, develop, and maintain highly scalable backend services and enterprise applications using Python and Java.
- Build high-performance solutions capable of processing and managing large-scale datasets.
- Develop and maintain RESTful APIs and microservices integrations with internal and external systems.
- Design software architectures that prioritize reliability, scalability, security, and operational efficiency.
- Optimize application performance, troubleshoot production issues, and implement proactive monitoring.
- Implement automated testing, CI/CD pipelines, and infrastructure management practices.
- Deploy and operate containerized applications using Kubernetes, collaborating on orchestration and runtime configuration.
- Participate in code reviews and promote engineering best practices, coding standards, and quality assurance processes.
- Collaborate with architects, product owners, DevOps engineers, and business stakeholders to deliver platform features.
- Support production environments to ensure system availability, resiliency, and performance.
- Contribute to continuous improvement initiatives focused on platform modernization and operational excellence.
## Requirements
- Bachelor’s degree in Computer Science, Information Technology, Engineering, or equivalent practical experience.
- 7+ years of software engineering or platform engineering experience.
- Strong hands-on development experience with Python (primary language) and Java.
- Experience building and supporting large-scale distributed systems.
- Expertise developing RESTful APIs and microservices architectures.
- Strong hands-on experience with Kubernetes, including production deployment, orchestration, and runtime management of containerized applications.
- Experience with CI/CD pipelines and DevOps practices.
- Experience working with high-volume data processing systems and enterprise integrations.
- Strong understanding of software design patterns, scalability principles, and performance optimization techniques.
- Experience with modern source control and collaborative development practices.
- Excellent analytical, troubleshooting, and problem-solving skills.\
## Nice to Have
- Experience with Angular.
- Experience with PostgreSQL.
- Experience with Docker and Helm Charts.
- Experience with Keycloak, OpenSearch, or Fluent Bit.
- Experience with Ansible.
- Familiarity with cloud-native application development and Infrastructure as Code (IaC).
- Experience with logging, monitoring, and observability platforms.\
### Engagement & Logistics
- Engagement Length: 12 months or more
- Time Zone: PST - 8:00 AM - 5:00 PM
- Laptop: BYOD.
- Overtime Required: No.
- Holidays Calendar: Client Holidays (USA – Mandatory)
## Selection process
1. Meeting with Resilient Co. team.
2. Client technical interview
3. Project interview (Cultural fit and tech review)
4. Final stage
Key Responsibilities
- Design, develop, and maintain highly scalable backend services and enterprise applications using Python and Java.
- Build high-performance solutions capable of processing and managing large-scale datasets.
- Develop and maintain RESTful APIs and microservices integrations with internal and external systems.
- Design software architectures that prioritize reliability, scalability, security, and operational efficiency.
- Optimize application performance, troubleshoot production issues, and implement proactive monitoring.
- Implement automated testing, CI/CD pipelines, and infrastructure management practices.
- Deploy and operate containerized applications using Kubernetes.
- Participate in code reviews and promote engineering best practices and quality assurance processes.
- Collaborate with architects, product owners, DevOps engineers, and business stakeholders.
- Support production environments to ensure system availability, resiliency, and performance.
- Contribute to continuous improvement initiatives focused on platform modernization and operational excellence.
Requirements
- Bachelor’s degree in Computer Science
- Information Technology
- Engineering
- or equivalent practical experience
Skills Required
PythonJavaKubernetesRESTful APIsMicroservicesCI/CDDevOpsDistributed SystemsSoftware Design PatternsPerformance OptimizationAnalytical skillsTroubleshootingProblem solvingAngularPostgreSQLDockerHelm ChartsKeycloakOpenSearchFluent BitAnsibleInfrastructure as CodeLoggingMonitoringObservability platforms
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