Senior Software Developer (Java) - Third Party Ecosystem (all genders)

Lightspeed is looking for a Senior Java Developer to join our team. As a Backend developer, you will support Lightspeed's Hospitality product group in expanding our product into new markets while enhancing our advanced hospitality commerce platform. You will be part of the Third Party Ecosystem Squad, focusing on integration with third‑party services to make our flagship product a more complete solution.

What You’ll Be Responsible For

• Developing and optimizing third‑party integrations to improve platform functionality and stickiness.
• Designing, implementing, and maintaining integration solutions that enable interoperability with external services.
• Building robust, well‑documented RESTful APIs (OpenAPI compliant).
• Writing clean, maintainable code and documentation to support scalability and reliability.
• Collaborating with Product Managers, Designers, and platform teams to meet project goals.
• Monitoring system performance and implementing monitoring solutions for optimal operation.
• Continuously learning and sharing knowledge to foster a culture of improvement.

What You’ll Be Bringing To The Team

• Excellent communication skills in English.
• 5+ years of production experience with Java.
• Expert knowledge of Spring (Boot, MVC, Security).
• Experience with relational (SQL) and non‑relational (NoSQL) databases.
• Experience monitoring applications for performance and reliability.
• Experience with real‑time messaging (Pub/Sub, Kafka, etc.).
• Solid understanding of object‑oriented programming and design patterns.
• Experience building fully‑featured RESTful APIs.
• Familiarity with OpenAPI documentation.
• Commitment to clean code and systematic correctness.

What Will Increase Your Chances

• Experience with an additional backend language (Python, Go, etc.).
• Experience writing automated unit and functional tests.
• Experience in Agile development environments.
• Understanding of networking fundamentals (HTTP, TCP, TLS, etc.).
• Proficiency with CI/CD, Docker, and Kubernetes.
• Experience with cloud platforms such as AWS or GCP.
• College degree in Computer Science or related field.

Who You Are

• Team player who contributes to discussions and shares experience.
• Self‑motivated and effective with minimum supervision.
• Continuous improvement mindset.
• Decisive and not afraid of making mistakes.

What’s In It For You

• Lots of autonomy, flexible work culture, and possibility of remote work.
• Development of high‑traffic products used worldwide.
• Exposure to modern technology.
• Opportunity to learn and expand your skill set.
• Tons of growth opportunities in technical or people management roles.
• Excellent benefits & perks, including equity for all employees.
• Opportunity to join a fast‑paced, high‑growth company.
• Valued part of a diverse and inclusive culture.
• Lightspeed share scheme.
• Flexible working policy.
• Mental health online platform and counseling & coaching services.
• Health and wellness benefits.
• LinkedIn Learning license.
• Volunteer day to give back.

Lightspeed is a proud equal opportunity employer and we are committed to creating an inclusive and barrier‑free workplace. We welcome applications from people with disabilities and offer accommodations on request for candidates.

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