Senior Software Developer, Lightspeed
AI+Java Experience
+ Share Scheme
3-5 days a week in office
Point of Sale & commerce platform
Posted today
Point of Sale & commerce platform
1001+ employees
Posted today
+ Share Scheme
3-5 days a week in office
1001+ employees
Company mission
To bring the streets of our cities and communities to life by powering business owners with technology.
Role
Who you are
- You’re excited about building practical, AI-enabled systems that make work easier and products better. You enjoy solving hard problems with clean code and clear thinking. You’re curious about AI and open to learning new patterns, frameworks, and tools
- You bring deep backend experience, work well in teams, and care about building things that are actually useful
- At least 5 years of experience in backend development
- Proven technical leadership
- Strong Java and Spring Boot experience in production environments
- Solid understanding of REST APIs, databases (SQL/NoSQL), and system architecture
- Familiarity with Docker, CI/CD pipelines, and Kubernetes
- Strong communication and collaboration skills
- Comfortable writing well-structured, maintainable code
- Professional experience building or integrating AI-powered systems in production, including work with LLM APIs (e.g. OpenAI, Claude), prompt engineering, or agent frameworks
- Experience building internal tools or customer-facing AI features
Desirable
- Experience with one additional backend language (especially Python)
- Familiarity with observability tools and performance monitoring
- Understanding of security, access controls, and API standards
- Knowledge of vector search, semantic retrieval, or document indexing
What the job involves
- We’re forming a new squad at Lightspeed focused on building AI-powered tools and capabilities
- This includes working with LLMs, agent frameworks, and other emerging AI technologies to build internal tools, extend our product suite with new AI features, and help other teams across the company adopt AI effectively
- You’ll be part of a highly collaborative and innovative team of developers, product managers, and designers
- Your role will involve backend engineering—especially in our Spring Boot Java ecosystem—while also exploring and applying modern AI techniques to solve real problems
- This is a hands-on engineering role and we are specifically looking for a versatile Java developer with a passion for Artificial Intelligence
- Whether your experience comes from a professional background applying LLMs /AI technologies or from a deep personal curiosity for generative AI projects, we want to hear from you
- Building and maintaining backend services and APIs in a Spring Boot Java environment
- Designing and implementing AI-powered tools and product features
- Collaborating with other teams to help them integrate LLMs and AI patterns
- Exploring and applying LLM capabilities such as summarization, classification, RAG, and prompt pipelines
- Writing clean, maintainable, and well-tested backend code
- Ensuring reliability, performance, and scalability of the systems you build
- Staying up to date with developments in the AI space and sharing insights with your team
Our take
Lightspeed provides restaurateurs and retailers with the simplest way to run their businesses at full potential. It helps entrepreneurs offer their customers positive and memorable experiences by taking care of the day-to-day management aspects of their business.
Around 75,000 businesses processing over $17 billion in transactions annually use Lightspeed’s restaurant POS software and omnichannel retail solution to manage inventory, customer preferences, sales and reporting — all from one centralised platform. Headquartered in Montreal, Lightspeeds team is distributed across North America, Europe and Asia Pacific, now serving over 150,000 locations worldwide.
Lightspeed POS maintains a unique edge over other companies of its type because it has secured the legal rights for the sole use of certain technologies. It has two registered patents in computing, calculating categories. These patents certify that Lightspeed POS is the sole owner of this intellectual property, which means that no other companies can use them.
Kirsty
Company Specialist at Welcome to the Jungle
Insights
Company
Company benefits
- With Lightspeed PX, you can enjoy flexible paid time off and up to 2 months remote per year with our hybrid work policy
- Equity options, because this is your company too
- Contributions to your pension plan. Your future matters
- Training opportunities to grow your skills and career
- Health and wellness credit so you feel your best
- Time off to volunteer and give back to your community
- Interest groups, from #coffee_pals to sponsored sports teams
- Computer purchase program to get your personal Macbook
Company values
- We make it matter.
- We make it happen.
- We make it together.
- We make it human.
- We make it about the customer.
- We make it data driven.
Company HQ
Old Montreal, Montreal, QC
Articles
Leadership
Dax Dasilva
(Executive Chair)Founder of Never Apart, previously Developer of Bitmovers. Studied Computer Science, Art History, and Religious Studies at The University of British Columbia. Served as CEO for Lightspeed for 17 years until 2022.
JP Chauvet
(CEO)Co-founded Chardonnat and served as CEO of Atex and as Vice President of Sales and Marketing for both Nstein Technologies and IXIASOFT.
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