About the role

Senior Java Developer at Lazer, focusing on backend integrations for major commerce brands. Design and maintain services connecting external systems with Shopify and other platforms.

Responsibilities

Design, develop, and maintain backend integration services connecting external systems with Shopify and other commerce platforms
Build and manage service layer and integration layer components for client projects
Develop and consume APIs, with a focus on GraphQL (Shopify’s primary API) and REST
Implement webhooks, asynchronous processing, and scheduled job workflows
Collaborate with cross-functional teams including architects, engineers, and project managers across multiple time zones
Ensure high performance, scalability, and reliability of backend services handling high-volume transactions
Participate in code reviews, technical discussions, and continuous improvement of development practices
Work directly with clients to understand integration requirements and deliver solutions

5+ years of professional Java development experience
Proven track record building and managing backend systems and integration services
Proficiency working with APIs like GraphQL and REST API experience is required
Experience with webhooks, event-driven architecture, asynchronous processing patterns, and scheduled tasks
Strong understanding of Computer Science fundamentals (data structures, algorithms, system design)
Experience working with Git, CI/CD pipelines, containerization (Docker)
Proficiency working with different Relational (PostgreSQL, MySQL) and Non-relational databases.
Available to work Eastern Time (ET) hours

Work From Anywhere: Choose your workspace — all you need is strong wifi and a passion for building!
Work / Life Balance: We believe in our team’s ability to have it all; a great career, and time to unplug and live…you know...life.
Employee Care: We provide full benefits (healthcare, dental, vision) for our employees (401k for our US employees)
Unlimited PTO: Everyone needs a break. Take at least 15 days off a year, and more if you need—just be cool about it and keep the team in mind.
Regular Team Retreat: Join us for a week of team bonding at amazing destinations. Recent trips include the Dominican Republic, Cancun, and Hawaii — plus ones welcome.