Full Stack Application Support (Java + Python + React)

Career Stage: Senior Associate L1 (4-7 years of experience)

Job Title: Full Stack Application Support (Java + Python + React- nice to have)

Location: Colombia, Costa Rica

Industry: Nissan

Schedule: 12:30 PM - 9 PM Colombian time zone

On Call: 1 Weekend per month

JOB OVERVIEW

As a Full Stack Engineer focused on Application Support (Level 2/3), you will provide advanced technical support for complex enterprise applications while also contributing to development and automation. This hybrid role combines strong Java, Python, and React engineering skills with application monitoring, troubleshooting, and support expertise. You will work closely with cross-functional teams to maintain application health, resolve incidents, and deliver enhancements in a fast-paced, cloud-first environment.

YOUR IMPACT

Application Support (L2/L3)

• Provide Level 2 and Level 3 support for business-critical applications, investigating and resolving incidents, performance issues, and escalations.
• Monitor system health and troubleshoot issues using DataDog and optionally the ELK stack.
• Collaborate with operations, DevOps, and product teams to identify root causes and implement long-term fixes.
• Ensure effective incident, change, and problem management through Jira/Confluence workflows.

Full Stack Development

• Develop and maintain scalable front-end applications using React.
• Design and implement back-end services using Java (8 & 17) and Python.
• Build and consume RESTful and GraphQL APIs, including schema design and query execution.
• Contribute to CI/CD pipelines (Jenkins) and automation to accelerate delivery.

Cloud & DevOps

• Deploy, manage, and troubleshoot applications using AWS services (S3, EC2, CloudWatch, Lambda, DocumentDB).
• Leverage Docker and Kubernetes (AWS EKS) for containerization and orchestration.
• Support cloud-native observability and system reliability improvements.

Collaboration

• Work within Agile teams, participating in sprint planning, code reviews, and daily standups.
• Collaborate with developers, QA, product managers, and support engineers to deliver reliable solutions.
• Use Atlassian tools (Jira, Confluence, Bitbucket) and Git for collaboration and version control.

QUALIFICATIONS

Your Skills and Experience

• 4+ years of professional experience in software engineering and/or application support roles.
• Proven experience with Java (8 & 17) and Python for backend services.
• Nice to have Front-end development experience with React.
• Strong knowledge of RESTful and GraphQL APIs.
• Hands-on experience with AWS services: S3, EC2, CloudWatch, Lambda, DocumentDB.
• CI/CD pipeline experience with Jenkins.
• Familiarity with Docker and Kubernetes (EKS) for container orchestration.
• Monitoring and troubleshooting experience with DataDog (and optionally ELK).
• Experience with Atlassian tools and Git for version control.
• Strong problem-solving skills with the ability to resolve complex L2/L3 issues.
• Excellent communication and collaboration skills for global teams.

SET YOURSELF APART WITH

• Prior experience in mission-critical enterprise systems.
• AWS or Kubernetes certifications.
• Exposure to Infrastructure as Code (Terraform, CloudFormation).
• Strong understanding of incident and problem management frameworks (ITIL, SRE practices).
• Experience automating monitoring and supporting workflows.