[Hiring] Senior Software Engineer @Lazer

Role Description

We are looking for a Senior Java Developer to join our team and work on backend integrations for major commerce brands. You will focus on the service layer and integration layer, connecting external systems with Shopify and other platforms. The ideal candidate has strong experience building and managing backend systems, working with APIs at scale, and delivering high-quality integration solutions.

Please Note: This is a Contract position (hourly rate). We welcome applications from across the globe, but our preferred candidates should be able to work in Eastern Standard Timezone (EST).

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

Qualifications

• 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

Requirements

• Experience with Shopify APIs or the Shopify ecosystem
• Background in e-commerce or ERP system integrations
• Experience with Spring Boot or the Spring ecosystem
• Experience with middleware and message queues (Kafka, RabbitMQ)
• Familiarity with cloud platforms (AWS, GCP, or Azure)
• Prior experience in an agency or consulting environment
• Experience with data migrations between platforms

Benefits

• 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.