Staff Software Engineer (Golang)

We're looking for a Staff Software Engineer with Golang expertise to lead development on our Retail platform. As our Golang technical leader in a polyglot environment (including Java, Kotlin, and PHP), you'll define strategy, architect scalable distributed systems, author RFCs for cross-team decisions, establish engineering standards, and mentor engineers across squads.

Join some of the brightest minds at Lightspeed, making a high-impact contribution to our fastest-growing segment while shaping future technical direction.

What You'll Be Doing:

• Architect and implement high-performance microservices primarily in Golang, serving as foundational components that integrate with our polyglot platforms (including services in Java, Kotlin, and PHP).
• Drive technical strategy via RFCs, design reviews, and leadership across teams.
• Establish Golang best practices, coding standards, and scalable patterns organization-wide.
• Collaborate across squads to solve complex challenges and align on shared infrastructure.
• Mentor engineers, conduct code reviews, and elevate technical excellence.
• Lead initiatives for reliability, performance, scalability, and technical debt management.
• Partner with product, engineering managers, and leadership to influence roadmaps and investments.
• Deepen expertise in distributed systems, event-driven architectures, and high-scale microservices.

• 10+ years of software engineering experience with deep expertise in Golang, concurrent programming, microservices, and distributed systems.
• Proven success in architecting large-scale systems handling high traffic and complex requirements.
• Strong experience with relational databases and NoSQL (PostgreSQL, Redis), including data modeling for scale and performance optimization.
• Track record of authoring RFCs, driving consensus, and influencing architecture at scale.
• Experience establishing best practices to boost productivity and code quality.
• Technical mentorship skills, with a history of developing engineers.
• Excellent communication for explaining complex concepts to varied audiences.
• Full proficiency in English.

Nice to Have:

• Scaled AWS experience, including infrastructure design.
• Frontend knowledge (Vue/React) for informed full-stack decisions-note: this role is primarily backend-focused, with full-stack collaboration.
• Expertise in gRPC, Protocol Buffers, or GraphQL in production.
• CI/CD pipeline and IaC experience.
• Background in eCommerce, POS, payments, or retail tech.
• Leadership in fast-growing tech companies.
• Observability and debugging skills for distributed systems.

• Lots of autonomy, hybrid work environment, blending a few days in our office with remote work from home.
• Genuine career opportunities in a company that's creating new jobs every day
• Work in a team big enough for growth but lean enough to make a real impact.
• Benefits & perks, including equity for all Lightspeeders
• Development of very high-traffic products used at a global scale
• Exposure to modern and proven technology

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

• Lightspeed share scheme (we are all owners)
• 20 legal + 5 extra-legal paid vacation days
• 60 days of remote work from anywhere in the world
• Pension contribution and holiday allowance
• Health and wellness benefit of 400€ per year
• Mental health online platform and counseling & coaching services
• Paid leave and assistance for new parents
• Language classes & LinkedIn Learning license
• Volunteer day
• Transit allowance
• Food & drinks, daily office lunch
• Yoga & Bootcamp classes
• Central office in the heart of Amsterdam
• Relocation package

Lightspeed is a one-stop commerce platform that empowers merchants around the world to simplify, scale, and provide exceptional customer experiences. Our culture is driven by shared values and initiatives that support our employees, we encourage a work-life that works for everyone. Your happiness, whether you're working, hustling, or vacationing, is at the core of our company. The Team We are the Retail business unit and our goal is to enable merchants to grow their businesses. Our focus is on Omnichannel Fulfillment-we build the features that enable retailers to seamlessly manage and fulfill orders across channels, delivering exceptional experiences directly to their customers. As Lightspeed expands, we're integrating our ecosystem, including payments, shipping carriers, and fulfillment services, to give merchants the capabilities they need to create standout shopping experiences., 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. Lightspeed handles your information in accordance with our Applicant Privacy Statement.