Senior Full Stack Software Developer - Kotlin/​Java & React

About the Role

We are looking for a Senior Full Stack Software Developer to join our dynamic team at Lightspeed Commerce. As a Senior Full Stack Software Developer remote, you will be instrumental in developing and maintaining our mission-critical financial products. Your role will focus primarily on frontend development (approximately 70%) while also contributing to backend development (approximately 30%). You will work closely with our Financial Automation team to streamline merchant operations through intelligent, AI-driven automated systems.

What You'll Do

• Drive strategic collaboration in development planning, retrospectives, and demos.
• Lead the system design and architecture for new, large-scale features, ensuring robust, scalable, and maintainable solutions.
• Break down high-level requirements into well-defined development tasks and work items.
• Manage and communicate expectations, priorities, release status, and project schedules to stakeholders and the team.
• Lead effort estimation for sprint and product roadmap deliverables.
• Champion continuous improvement of our software delivery processes and practices.
• Actively mentor and coach team members, identifying areas for growth and career development.
• Shape the future of the engineering workforce by actively participating in the recruitment process.

Requirements

• Strong software engineering and computer science fundamentals such as data structures and algorithms.
• A minimum of 5 years of experience working as a Software Developer.
• Experience working for a SaaS product-based company.
• Strong experience building modern, scalable frontend applications using React.
• Solid backend development experience with Kotlin and Java, including designing and maintaining APIs and services.
• Experience designing and architecting distributed systems, preferably event-driven and microservice-based, ideally within the Financial Services domain.
• Proven experience developing scalable, reliable applications on the cloud (AWS/GCP).
• Experience leading initiatives and feature work from system design to production deployment.

Nice to Have

• Experience designing and setting up advanced monitoring systems and championing the overall observability culture.
• Strong sense of ownership and self-improvement, with a growth mindset.

What We Offer

• Join a fast-paced, high-growth company.
• Work on high-traffic products used at a global scale providing critical services for our merchants.
• Surround yourself with strong talent and enjoy continuous professional growth.
• Flexible paid time off policy and health insurance.
• Health and wellness benefit of $500 per year.
• Mental health online platform and counselling & coaching services.
• Volunteer day and work abroad policy.
• Lightspeed equity scheme (we are all owners).