Senior Java Developer (Payments)

<p><strong>Hi there! Thanks for stopping by 👋</strong></p> <p>Lightspeed is looking for talented and experienced Senior Java Developers to join their growing Payments team. As an individual contributor, you’ll deliver new features and improvements to Lightspeed’s Payments product - a global-scale platform that powers merchants all over the world. In Payments, you’ll be on the frontline of adding real-world value to our products, igniting our merchants’ businesses, and driving Lightspeed’s future success.</p> <p>You’ll work within an experienced product team in a modern and evolving technology stack, taking features from the design stage through to final deployment. You’ll have a prominent voice in how we design and build our software and architecture, and will participate in vital production operations, including incident response. You’ll need to bring strong technical expertise, a growth mindset, experience in development best practices, and a passion for delivering the best possible product for our merchants.</p> <p><strong>What you'll be responsible for</strong></p> <ul> <li>Delivering features and improvements to Payments codebases, design to production</li> <li>Breaking down items of work and leading other developers to deliver on those items</li> <li>Finding technical improvements to your team’s services and infrastructure</li> <li>Performing code reviews and providing clear, actionable feedback</li> <li>Writing code with observability and monitoring in mind</li> <li>Participating in technical design reviews</li> <li>Building strong expertise in your team’s services and workflows</li> <li>Providing mentorship and knowledge sharing to other developers</li> <li>Participating in on-call rotation and incident management</li> </ul> <p><strong>What you’ll be bringing to the team</strong></p> <ul> <li>5+ years of professional software development experience</li> <li>Strong software engineering and computer science fundamentals</li> <li>Strong programming skills in Java 8 or higher</li> <li>Experience developing in other mainstream programming languages (TypeScript, JavaScript, PHP, Python, etc)</li> <li>Experience working with relational databases such as MySQL, PostgreSQL, etc.</li> <li>Knowledge of modern architectural paradigms in distributed, event-driven systems</li> <li>Experience leading initiatives and feature work through all stages of delivery</li> <li>Experience writing technical specifications and architecture documentation</li> <li>Experience in agile development best practices in a product team</li> <li>Experience in mentorship of other developers and providing knowledge-sharing</li> <li>Excellent written and verbal communication skills </li> </ul> <p> <strong>Even better if you have, but not necessary</strong></p> <ul> <li>Professional experience developing Spring Boot applications</li> <li>Experience in reactive programming in Java</li> <li>Knowledge of eCommerce / POS systems / Payments industry</li> <li>Experience building scalable SaaS solutions</li> <li>Experience in DevOps or as a sysadmin</li> <li>Experience with modern front-end technologies like React and Next.js</li> </ul> <p><strong>Who you are</strong></p> <ul> <li>You have a passion for software development and a customer-focused mindset</li> <li>You are a team player who can work with, and help grow, other developers</li> <li>You understand the need for constant improvement, self-growth, and accountability</li> <li>You step up to lead features, solve problems, and research new technologies</li> <li>You set ambitious goals, and act with a sense of urgency and focus</li> </ul> <p><strong>What's in it for you?</strong></p> <ul> <li>Join a fast-paced, high-growth company</li> <li>Work on systems that handle billions of dollars in transactions for our merchants globally</li> <li>Surround yourself with strong talent and enjoy continuous professional growth</li> <li>Develop in a modern and proven technology stack</li> <li>Great benefits and perks, including equity and flexible/hybrid remote work options, in a diverse and inclusive environment</li> </ul><p><em>To all recruitment agencies: Lightspeed does not accept unsolicited agency resumes. If we have not directly engaged your company in writing to supply candidates for a specific vacancy, Lightspeed will not be responsible for any fees related to unsolicited resumes.</em></p> <p><strong>Where to from here?</strong><br/>Obviously, this has to be mutually beneficial: we want you to step into a role you love, and we want to offer you a place you’re proud to come to every day. For a glimpse into our world check out our <a href="https://www.lightspeedhq.com/careers/" target="_blank">career page here</a>.</p> <p>Lightspeed is building communities through commerce, and we need people from all backgrounds and lived experiences to do that. We were founded in 2005, in Montreal’s gay village and our original members were all part of the LGBTQ+ community. The ethos of our business has been about