Senior Software Developer - Java (all genders)

Hi there! Thanks for stopping by

Are you actively looking for a new opportunity? Or just checking the market? Well… you might just be in the right place!

We’re looking for a Senior Backend Developer to join one of our energetic teams. In this role, you will help drive the growth and development of our Hospitality product group, powering our passion to deliver unmatched reliability, deeper value, and long-term delight for our customers and strengthen our comprehensive commerce platform.

You will be joining the team driving the Lightspeed L- and G-series products, which power hospitality businesses across the globe and help them deliver exceptional guest experiences. Our mission is to stay ahead of customer needs and evolving regulations, while at the same time modernizing our technology stack to ensure these products remain reliable, scalable, and future-ready.

You will join an international, independent and collaborative team, continuously improving our engineering practices, infrastructure and codebase, all while keeping it fun. Most importantly, your work will directly shape the daily experience of business owners and hospitality guests.

Join us in pioneering the future of hospitality technology!

What you’ll be responsible for:

• Working alongside some of the most brilliant minds in the industry, you will contribute to the L&G series product by building new features and improving the developer experience.

• Balance core duties, spanning from building new features to modernizing our backend technology stack.

• Report to the Development Manager, maintaining robust interaction with Product Managers, Support Specialists, and Platform Teams.

• Participate in daily agile ceremonies, ignite innovation that challenges the status quo, and actualize solution-oriented ideas.

• Advocate for superior code quality and accountability, contributing actively to infrastructure health.

• Foster growth within your team by disseminating knowledge and best practices, while perpetually striving for advancement and progression.

Feel free to take a look at our Tech Stack here.

What you'll be bringing to the team:

• Expert Java knowledge with 6+ years in production, including large, long-lived codebases

• 4+ years of deep Spring Framework experience (IoC, MVC, Security, transactions)

• 4+ years using advanced SQL: complex queries, indexing, multi-tenant data models, and schema migrations

• Strong OOP, domain modeling, and design patterns, with judgment about when not to over-engineer

• A track record of designing and evolving backward-compatible REST APIs

• A strong advocate for testing, with experience in automated testing frameworks

• Familiarity with continuous integration/continuous deployment (CI/CD) pipelines

• Clear English communication: design reviews, trade-offs, and collaboration with non-technical stakeholders

• Computer Science degree or equivalent

What will increase your chances:

• Experience working in an Agile development environment

• Work in payments, fiscal/compliance, or other high-correctness domains

• Familiarity with hybrid cloud + on-premise systems

• Exposure to cloud environments like GCP, AWS, and cloud solutions like Kubernetes, Docker, etc.

• Experience with Maven multi-module codebases, Jetty/WAR deployments, Redis, WebSockets, or scheduled jobs

We know that people are more than what’s on their CV. If you’re unsure that you have the right profile for the role... hit the ‘Apply’ button and give it a try!

Be a changemaker

Come live the Lightspeed experience...

• Lots of autonomy and flexible work culture.

• Genuine career opportunities in a company that’s creating new jobs every day

• Opportunity to make a difference; help merchants grow their businesses and become more successful by creating or improving products and addressing customer feedback

• Work in a team big enough for growth but lean enough to make a real impact

• Development of very high traffic products, used at a global scale

• Opportunities to learn and expand your skill set

• Become a valued part of the diverse and inclusive Lightspeed culture

… and enjoy a range of benefits that’ll keep you happy, healthy and (not) hungry:

• Lightspeed equity scheme (we are all owners)

• Monthly office lunch

• Work from anywhere in the world for 60 days a year

• Health and wellness benefit of 400 euros per year

• Mental health online platform and counseling & coaching services

• Volunteer day

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.

Lightspeed is a proud equal opportunity employer and we are committed to creating an inclusive and barrier-free workplace. Lightspeed welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

Where to from here?

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 career page here.

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 inclusion from the very beginning, and we strive to provide a workplace where everyone belongs.

Who we are:

Powering the businesses that are the backbone of the global economy, Lightspeed's one-stop commerce platform helps merchants innovate to simplify, scale, and provide exceptional customer experiences. Our cloud commerce solution transforms and unifies online and physical operations, multichannel sales, expansion to new locations, global payments, financial solutions, and connection to supplier networks.

Founded in Montréal, Canada in 2005, Lightspeed is dual-listed on the New York Stock Exchange (NYSE: LSPD) and Toronto Stock Exchange (TSX: LSPD). With teams across North America, Europe, and Asia Pacific, the company serves retail, hospitality, and golf businesses in over 100 countries.

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