Senior Python Developer (all genders) New Berlin, Berlin, Germany

Lightspeed is looking for a Senior Python Developer to join our team. As a Backend developer, you will support Lightspeed's Hospitality product group on the mission to expand our reach into new markets and countries while enhancing our advanced hospitality commerce platform.

For this role specifically, you will join our Lighthouse Squad. This team is responsible for building a horizontal product – a subscription management service for our hospitality customers enabling them to unlock various ecosystem software products we have to offer. This is a highly resilient distributed system that spans across software delivery and billing for subscriptions.

Above all, your work will change the way the world experiences hospitality!

What you’ll be responsible for:

• Building and maintaining our software components using primarily python ecosystem
• Backend services and APIs with fastAPI, Kafka, Redis, AWS ecosystem
• Event driven architecture, with focus on resilience and accuracy
• Strong QA foundations with unit and integration tests
• Ensuring
• Reliability, performance and accuracy aspects
• Bugfixes and proactive care of the systems
• We analyse the root causes of problems & incidents in the system
• We are able to prioritize technical debts aligning with our squad’s technical roadmaps
• Collaborating with other teams to help them integrate with our microservices
• Use LLMs to accelerate development process safely and robustly

What you’ll be bringing to the team:

• 5+ years of experience in software development with a strong focus on Python.
• Strong English communication skills and the ability to collaborate effectively within a team.
• Hands‑on experience with RESTful APIs and microservices.
• Strong understanding of scalability, performance optimization, and distributed systems.
• Experience with databases such as MySQL or DynamoDB.
• Knowledge of monitoring applications for performance and reliability
• Hands‑on experience with Kafka.
• Excellent problem‑solving skills and the ability to work in a fast‑paced environment.
• Commitment to clean code, maintainability, and systematic correctness.

Even better if you have, but not necessary:

• Experience working with recommendation systems, machine learning models, or data‑driven applications.
• Peer recognised experience in Technical Problem Solving in general
• Understanding of networking fundamentals (HTTP, TCP, TLS, etc.).
• Proficiency with CI/CD systems, Docker, and Kubernetes.
• Experience with cloud environments like AWS or GCP.
• Computer Science degree or equivalent.

Who you are?

• You are a team player who likes to contribute to discussions and share your experience.
• You are self‑motivated and can function effectively in a team environment with minimum supervision.
• You are always seeking improvement and progress.
• You are eager to make decisions and not afraid of making mistakes.

What’s in it for you?

Come live the Lightspeed experience...

• Lots of autonomy, flexible work culture, and the possibility of remote work;
• Development of very high‑traffic products used at a global scale;
• Exposure to modern and proven technology;
• Opportunity to learn and expand your skill set;
• Tons of growth opportunities in technical or people management roles;
• Excellent benefits & perks, including equity for all Lightspeeders;
• Opportunity to join a fast‑paced, high‑growth company;
• Become a valued part of the diverse and inclusive Lightspeed culture.

… and enjoy a range of benefits that’ll keep you happy and healthy:

• Lightspeed share scheme (we are all owners);
• Mental health online platform and counseling & coaching services;
• Health and wellness benefits;
• LinkedIn Learning license (learning is always ongoing);
• Volunteer day to be able to give back to society!

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.

Equal Opportunity Employer:

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 this 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.

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.