Senior Software Developer (Python) - All Genders

Senior Software Developer (Python) - All Genders

Berlin, Berlin, Germany

Hi there! Thanks for stopping by

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.

In this role, you will join our Recommendations Squad, playing a key part in developing and optimizing recommendation algorithms, building scalable APIs, and integrating various systems into our products. You will collaborate closely with engineers, data scientists, and product teams to create high-quality, personalized experiences for our users.

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

What you’ll be responsible for:

• Develop and maintain technical components using Python , including backend services and APIs with FastAPI , and event processing/consumption services in a pub‑sub architecture.
• Write comprehensive unit and integration tests.
• Ensure reliability, performance, and accuracy of systems through proactive care, bug fixes, and root cause analysis of problems.
• Prioritize and address technical debt in alignment with squad roadmaps.
• Collaborate with other teams to facilitate integration with microservices.
• Leverage LLM services to safely and robustly accelerate the development process.

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!

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.

Equal Opportunity Statement

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.

Privacy, GDPR & Data Collection Note

When you apply to a job on this site, the personal data contained in your application will be collected by Lightspeed POS Inc. ("Controller"). The data will be processed for purposes of managing recruitment related activities, including setting up and conducting interviews and tests for applicants, evaluating and assessing results, and other hiring processes. Data may be transferred outside the EU, with appropriate safeguards in place. Personal data will be retained for as long as necessary, but generally no longer than one year. You have the right to request access, rectification, erasure, restriction, or portability of your personal data. For privacy requests, contact

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