Senior Back-End Engineer

As a leading provider of comprehensive digital signage solutions, Spectrio empowers clients to transform their business locations into modern, dynamic destinations for customers and employees.

Headquartered in Tampa, Florida, and serving more than 150,000 global client locations across industries including automotive, healthcare, and financial services, Spectrio consistently ranks among the fastest-growing and largest companies in the Tampa Bay area.

As part of the Tampa Bay Business Journal’s “Fast 50” and “Tampa Bay 200,” as well as being honored 11 times on the Inc. 5000. Spectrio’s digital signage software has received praise for its features and ease of use by reviewers on Capterra and G2, as well as winning multiple awards for creative content, technology, and innovation!

This is a US BASED POSITION. This position is open to external candidates in Florida, North Carolina, or Texas and offers the flexibility of remote work. Internal candidates are also encouraged to apply.

Spectrio is seeking a Senior Back-End Engineer to join our SPE team. In this role, you will be a lead contributor to our cloud-native Digital Signage platform, focusing on the core software that powers media management, device communication, and global content delivery. You will work within an Agile environment on 2-week sprints, collaborating across front-end, device, and Dev Ops teams to build a scalable, high-availability system.

• Architectural Leadership: Design and maintain scalable microservices using the NestJS framework and Type Script, ensuring high performance and responsiveness to requests from the front-end and IoT-connected devices.
• Cloud Native Development: Develop and maintain backend logic across a hybrid environment of containerized microservices on Amazon EKS and serverless functions using AWS Lambda
  .
• Infrastructure
  
  Collaboration:
  
  Work with Dev Ops to manage application-level resources using Terraform
  , specifically focusing on the configuration of S3 buckets
  , SQS queues
  , SNS Topics
  , IAM roles
  , Secrets Manager entries, and Lambda functions.
• Data Management: Design complex schemas and manage data persistence using Mongo
  
  DB Atlas (integrated via Mongoose) for application data and Amazon RDS (Postgre
  
  SQL) for integration hub services. Optimize queries, indexing, and data models.
• Messaging & IoT: Implement robust event-driven communication patterns between the back-end and signage devices using AWS SQS and AWS SNS for job queuing and IoT protocols for real-time device updates. Implement MQTT-based communication
  . Integrate with AWS IoT Core for device messaging and telemetry.
• Observability & Reliability: Integrate and maintain comprehensive monitoring using Open Telemetry for tracing, metrics, and logging to ensure the platform meets strict reliability standards.
• Security First: Implement secure authentication and authorization flows using Passport.js and JWT, and manage sensitive information via AWS Secrets Manager
  .
• Quality Assurance: Lead by example in testing, maintaining high code coverage using Playwright and Jest and implementing end-to-end (E2E) testing suites to ensure platform stability.

• Backend Frameworks: Extensive experience with Node.js and NestJS
  .
• Cloud Infrastructure: Deep knowledge of AWS Services
  , specifically:
  • Compute: Lambda, EC2, and EKS (Elastic Kubernetes Service).
  • Storage/CDN: S3 and Cloud Front (including Lambda@Edge and OAC).
  • Networking: VPC, Security Groups, and API Gateway.
  • Databases: Mongo
    
    DB/Mongoose, Postgre
    
    SQL (RDS), and Redis (Elasti Cache).
• Dev Ops & Tooling: Familiarity with Terraform
  , Git Hub Actions for CI/CD, and Docker for local development.
• Communication: Strong understanding of asynchronous messaging (SQS) and event-driven architectures.

• Bachelor's Degree in Computer Science or related field
• 5+ years of experience in back-end software engineering.
• Proven track record of building and deploying high-traffic applications in an AWS environment.
• Experience with Agile methodologies and a collaborative, sprint-based workflow.
• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).
• Agile…