Senior Software Engineer, Back-End (Power Packs)

Collectors is the leading creator of innovative technology that provides value-added services for collectors worldwide. They are seeking a Senior Backend Engineer to build and operate the customer-facing Power Packs experience, manage backend services, and support new product capabilities through effective data modeling and system design.

Responsibilities:

• Participate across the entire software development lifecycle, taking features from concept to production release
• Contribute backend and fullstack plumbing where needed to connect services, APIs, and product experiences end to end
• Collaborate with Product, Engineering, and partner teams to translate business requirements into clean technical designs
• Troubleshoot data, integration, and service issues across a large distributed codebase
• Contribute to technical documentation to improve maintainability and team velocity
• Help raise the bar on system design, observability, and engineering best practices across the team
• Leverage AI tooling, with a preference for Claude, to accelerate software design, architecture, and implementation while maintaining strong engineering judgment and code quality

Requirements:

• 5+ years of software engineering experience building backend or data-intensive systems in production environments
• 4+ years experience / strong proficiency in Java and the Spring Boot framework
• Strong fundamentals working with databases and data modeling, both relational (e.g. PostgreSQL) & NoSQL (e.g. DynamoDB)
• Experience with building applications in the cloud with AWS and experience with serverless infrastructure such as AWS Lambda
• Experience with containerization and orchestration infrastructure (e.g. Docker, Kubernetes, ECS)
• Experience collaborating with Engineering and Product teams to turn complex business requirements into clean and extensible APIs
• Possess strong technical, analytical, troubleshooting, and communication skills with the ability to visualize and document processes
• Proficient at using appropriate security, documentation, and/or monitoring best practices
• Familiar with Agile/Scrum methodologies
• Comfortable using AI tooling, preferably Claude, to support solution design, system architecture, and software implementation in day-to-day engineering work
• Experience supporting white-label or multi-tenant product architectures
• Experience with distributed messaging systems such as Apache Kafka
• Experience with Python as well as test frameworks such as pytest or unittest
• Experience with Node.js and Typescript
• Experience with streaming services such as Twitch
• Experience with fullstack development and contributing to frontend work