PHP Backend Developer (12-month Apprenticeship)

About Lemonway

Lemonway is an approved payment institution, at the heart of the new European economy.

We secure the payments for crowdfunding platforms, the collaborative economy, marketplaces, and e-merchants, with a strong commitment against fraud and for the protection of funds.

Regulated by the ACPR and benefiting from the European passport in 29 countries, Lemonway is based in Paris and Hamburg and brings together 150 multicultural and committed Lemonheroes.

More than 400 marketplaces trust us. We manage 1.4 million user wallets and have raised €50 million from Breega, SpeedInvest, and Toscafund.

Profitable for four years and growing by +25% in 2025, Lemonway aims to remain among the leaders in European payments through healthy and sustainable growth.

• Sector: FinTech / Online Payments

• Location: Paris, France (Sentier district, 2nd arrondissement)

• Remote Work: Up to 2 days per week (your choice)

The Position

The team consists of a Product Manager, an Engineering Manager, 2 PHP BACKEND developers, and 2 FRONTEND developers (Typescript / React). Integrated into the MERCHANT Squad, dedicated to tools and services for our partner merchants, we work in Scrum with two-week sprints and continuous delivery.

Here is the main information about the team:

• Continuous improvement and the ability to deliver consistent quality are very strong challenges within this team.

• Within the MERCHANT squad, we develop and maintain Backend APIs used by our merchants to interact with the Paygreen by Lemonway payment platform.

📌 Main Responsibilities

Contribute to the development of our product offering

• Participate in the development of new features on the PHP Backend APIs exposed to merchants.

• Collaborate with product teams and senior developers to ensure that the developed solutions meet merchant needs and platform standards.

Participate in legacy management

• Analyze and understand existing code to identify areas that require refactoring or optimization.

• Contribute to technical debt reduction initiatives in collaboration with the team.

• Participate in code refactoring according to best practices, under the supervision of experienced developers.

Contribute to documentation and processes

• Write and maintain clear technical documentation for the developed APIs.

• Apply the team's development guidelines and contribute to their improvement.

• Participate in the implementation and use of CI/CD pipelines to automate quality checks.

Improve code quality

• Participate in code reviews and progress thanks to feedback from the team.

• Contribute to writing unit and integration tests to secure deliveries.

• Apply backend development best practices and develop skills in API performance and security issues.

What are we looking for?

• An ongoing training program (Bac+3 to Bac+5) in computer development or an engineering school.

• Solid foundations in PHP and a desire to deepen your backend knowledge.

• First experience or knowledge of REST APIs.

• Knowledge or interest in relational databases SQL/Postgres.

• A strong team spirit: you know how to ask questions, rely on your colleagues, and share what you learn.

• Technical curiosity and a sensitivity to code quality.

• The ability to read documentation in English.

The Recruitment Process

1. HR Interview

1. Manager Interview: discussion with the Engineering Manager and a team member, to discuss the responsibilities and expectations of the role.

1. Technical Interview: practical exercise to assess your backend development fundamentals.

Lemonway is committed to promoting diversity, particularly by fostering gender balance and employing people with disabilities.

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