Lead Developer (PHP Symfony – API Platform) – F/M

Sparteo – Suite of Solutions for Web Publishers

Since 2016, Sparteo has been revolutionizing advertising technology. Our AI-powered solutions boost media value on websites.

Sparteo is skyrocketing in Europe :

2nd fastest-growing French ad-tech startup and 32nd nationwide (Les Echos).

21st fastest-growing European ad & marketing startup and 359th overall (Financial Times).

Why?

Passionate, dedicated teams! We empower them to learn, excel, and drive Sparteo’s success.

High-performance solutions: Actirise for display, FastCMP for consent management, Viously for video, and Voxeus for audio.

Discover our journey, products, and culture on our website !

Your Job

To specify, As a Lead Developer, you will be the leader and technical specialist of our API Team. You will also develop and maintain Actirise’s APIs projects. You will be responsible for designing and building scalable, high-performance APIs with your team and talents. You will manage complex projects (Big Data, ACL…) with a pragmatic approach.

Your mission at Actirise:

• Own the API Platform
• Develop amazing features
• Ensure API integration is seamless, scalable, and adheres to security protocols
• Implement efficient ACLs (Casbin)
• Monitor the APIs
• Manage the project(s), help defining the roadmap
• Work together with other units in order to brainstorm, conceive and put new features into production according to the roadmap in place
• Maintain existing features and improve them
• Propose new tools and specifications in order to improve our way of working
• Manage and mentor a team of developers, providing guidance on best practices & participation in code reviews
• Maintain up-to-date documentation

Eventually, you will participate in several projects like:

• Developing services needed for ads platform
• Developing event oriented backend servicesOur stacks:
• Backend : PHP 7/8, Composer, RESTful API, API Platform, Symfony 6/Phalcon, Redis, MariaDB, Node.js, Ruby
• Frontend : JavaScript ES6, VueJS
• Big data : BigQuery, Logstash, Kafka, Nginx, ML, Python, Redis
• System : Kubernetes, CI/CD, Docker

Your profile for this job

• Strong expertise in PHP, Symfony, and API Platform.
• Proven experience leading development teams and delivering scalable APIs.
• Deep understanding of security, authentication, and RESTful principles.
• Experience with databases (SQL/NoSQL) and optimizing API performance.
• Familiarity with Agile methodologies.

Your mind set to share our adventure

• You want to make an impact and move things forward collectively. Does hearing phrases like “Yes, but we’ve been doing it this way for years…” make your hair stand on end? We feel the same way: progress is made by questioning what already exists.

• You solve problems pragmatically and analytically.

• You’re looking for a fast-moving environment where your agility will be an asset. The 80-20 (Pareto) principle holds no secrets for you.

• Your ability to listen encourages you to challenge and improve yourself on an ongoing basis.

Our working conditions

• A convivial and flexible working environment, with our telecommuting culture integrated into the company’s organization.

• A friendly and small-sized team that you can find in our offices near Lille or in Paris.

• Social gatherings and company events organized throughout the year.

• Sparteo is experiencing significant growth both in terms of business and workforce, especially internationally.

• Additional benefits include an advantageous compensation system with non-taxable and non-mandatory overtime hours, as well as a Swile restaurant ticket card.

Ready to join Team Sparteo? Send us your CV and continue the recruitment process!

Here are the stages in our recruitment process

• Discussions about your driving forces, your ambitions and our Sparteo mindset

• Analytical and business logic tests

• Discussions with one or more members of the Sparteo team, including your future manager

• Taking up references

Our recruitment process is mainly conducted by videoconference; however, certain stages may require a face-to-face meeting.