Note: The job is a remote job and is open to candidates in USA. Collectors is the leading creator of innovative technology that provides value-added services for collectors worldwide. They are seeking a Senior Fullstack Engineer to build and evolve systems for customer-facing experiences and backend services, while collaborating with various teams to translate requirements into technical designs.
Responsibilities
- Participate across the entire software development lifecycle, taking features from concept to production release
- Build backend services, APIs, and data models that support customer-facing product experiences and internal operational workflows
- Contribute to frontend application development using Javascript, Typescript, React, and NextJS to deliver seamless end-to-end experiences
- Collaborate with Product, Engineering, and partner teams to translate business requirements into clean technical designs across both backend and frontend systems
- Troubleshoot data, integration, service, and UI issues across a large distributed codebase
- Contribute to technical documentation to improve maintainability, knowledge sharing, and team velocity
- Help raise the bar on system design, code quality, 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
Skills
- 5+ years of software engineering experience building production applications, with substantial experience in backend systems and meaningful experience delivering frontend product work
- 3+ years experience / strong proficiency in Java and the Spring Boot framework
- Strong fundamentals working with databases and data modeling, both relational (e.g. PostgreSQL) and NoSQL (e.g. DynamoDB)
- Experience designing and building APIs and service integrations that support scalable product development
- 3+ years experience with modern frontend development using Javascript, Typescript, React, and NextJS
- 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, extensible systems and user experiences
- Possess strong technical, analytical, troubleshooting, and communication skills with the ability to visualize and document processes
- Proficient at using appropriate security, documentation, testing, and 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 building applications in the cloud with AWS and familiarity with serverless infrastructure such as AWS Lambda
- Experience contributing to shared design systems
- Experience with Svelte and SvelteKit
- Experience with streaming services such as Twitch
- Experience working across both customer-facing applications and internal tools
Benefits
- Health Insurance:All full-time employees are eligible to enroll in Medical, Dental, and Vision
- Additional Benefits:Full-time employees are eligible for fertility, commuter, and educational assistance benefits
- 401(K) Matching Plan:We are proud to offer a competitive 401k matching plan to our employees to support their future financial goals
- Vacation:All salaried employees are eligible for flexible time-off
- Holiday Pay:All regular, full-time employees are eligible for ten company paid holidays
- Employee Discounts:Employees receive discounts on select grading services for approved submissions
- Flexible Hours:Many of our teams offer flexible schedules with varying shifts and will work with you to accommodate your needs
- Fun Working Environment:Our team members are invited to participate in celebrations, holiday events, and team building activities
Company Overview