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# Senior Developer, Back-End

- **Company:** Fox Valley Mall LLC
- **Location:** Centennial, CO, United States
- **Experience:** Expert
- **Salary:** $143,000.0 - $170,000.0
- **Contract:** Temporary to permanent
- **Skills:** Java (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Unit Testing, Software Quality, Code Review, Databases, Continuous Integration, Software Debugging, Github, Monitoring of Systems, Python (Programming Language), NoSQL, Object-Oriented Software Development, Package Management Systems, Software Engineering, TypeScript, Datadog, State Machines, Caching, Reliability of Systems, AWS Lambda, Backend, Cloudformation, Amazon Relational Database Service, Containerization, Functional Programming, Cloudwatch, Amazon Simple Queue Service (SQS), Terraform, Serverless Computing, Docker
- **Published:** August 16, 2026
- **Apply:** https://www.careerjet.com/job/us4f54432a39525cbae0d8d476592529c5/eaa

## About the Role

Success in this role will require technical leadership, the ability to visualize complex workflows, and a passion for code quality. You will play a key role in mentoring junior developers, participating in architecture discussions, and maintaining a high bar for system reliability and performance. Familiarity with media digital supply chains and experience leveraging AI tools to enhance development workflows is a plus., * 5+ years of professional software development experience

 * Expertise in AWS serverless technologies: Lambda, SQS, RDS, and Step Functions
 * Proficiency in TypeScript; additional experience in Python or Java is a plus
 * Strong knowledge of both Object-Oriented and Functional Programming
 * Experience debugging with AWS CloudWatch, Datadog, or similar tools
 * Demonstrated ability to lead technical discussions and produce workflow diagrams
 * Strong experience mentoring and performing code reviews
 * Solid understanding of CI/CD pipelines and GitHub Actions
 * Ability to scale and tune services for performance and reliability
 * Familiarity with npm private packages and modern package management
 * Understanding of relational, NoSQL, and caching database types
 * Experience building OpenSearch indexes
 * Hands-on experience using AI tools to accelerate development and review processes
 * Commitment to unit testing with high coverage
 * Strong verbal and written communication skills

NICE TO HAVE, BUT NOT A DEALBREAKER

 * AWS certifications (e.g., AWS Certified Developer - Associate)
 * Familiarity with infrastructure as code (CloudFormation, Terraform)
 * Experience with containerization technologies such as Docker, ECS, or EKS
 * Background knowledge of media digital supply chains

## Description

We are seeking a Senior Developer with expertise in AWS serverless development to join our engineering team. The ideal candidate will have experience building scalable backend services and APIs primarily using TypeScript, with Python or Java as a plus. This role will work extensively with AWS Lambda, SQS, RDS, and Step Functions to deliver event-driven, highly scalable solutions., * Develop and maintain scalable backend services and APIs using TypeScript on AWS serverless platforms (Lambda, SQS, RDS, Step Functions)

 * Lead technical discussions and collaborate with cross-functional teams on architecture, design, and implementation strategies
 * Create detailed workflow diagrams and technical documentation to support development and operations
 * Debug and resolve production issues using AWS CloudWatch logs, Datadog, and other monitoring tools
 * Conduct code reviews and mentor junior developers, promoting coding best practices and quality standards
 * Build OpenSearch indexes to support robust natural language search functionality
 * Leverage AI tools to assist in development, code review, validation, and test generation
 * Maintain and improve unit test coverage across services
 * Optimize applications for performance, scalability, and reliability
 * Understand and apply CI/CD concepts with tools like GitHub Actions


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