DEVELOPER BACKEND SENIOR

ABOUT KOLSQUARE

Kolsquare is the leading Influencer Marketing software solution in Europe, trusted by marketing professionals to manage KOL (Key Opinion Leader, also known as influencer) marketing campaigns. Our platform is designed to optimize brand communication strategies, addressing the challenges of the digital era.

With Kolsquare, professionals can seamlessly identify the most suitable KOL profiles, manage their campaigns from start to finish, and analyze their results and performance metrics.

Kolsquare leverages cutting-edge Big Data, AI, and Machine Learning technologies to empower hundreds of clients—including Coca-Cola, Danone, Publicis, Orange, Sézane, and Decathlon. We help brands forge meaningful partnerships with over 3 million KOLs who have 5,000+ followers across 180 countries on platforms like Instagram, TikTok, Twitter (now X), Facebook, Snap, and YouTube.

In 2024, Kolsquare became part of the team.blue group, one of Europe’s largest private tech companies. This partnership amplifies our commitment to innovation, excellence, and our continued trajectory of exceptional, profitable growth.

OUR MISSION

Kolsquare is proud to be a Benefit Corporation, certified B-Corp in 2024.

Our mission is to help you realize your full potential while making a positive impact on the world.

Influencer Marketing is hailed as a revolutionary $30B industry that has transformed the media and digital landscape. It is both a goldmine of opportunity and a field surrounded by myths and uncertainties. While everyone acknowledges its impact on brand awareness and customer acquisition, not everyone knows how to harness its potential effectively.

At Kolsquare, we believe wholeheartedly in the power of this new media. We see it as the most impactful way for ideas, individuals, and organizations to grow and achieve their greatest potential. Furthermore, we believe it is an incredible tool to create meaningful, positive change for a better world.

Our mission is simple : to make the power of KOL Marketing accessible to all.

Your Missio as Backend developer :

With at least 5 years’ experience to strengthen our technical team. You will be actively involved in the design, development and maintenance of our high-performance, scalable backend systems.

Your job will consist of :

Develop, maintain and optimize backend functionalities in Ruby onRails.

Implementing and maintaining high-performance solutions with ElasticSearch and Redis.

Configuring and optimising the Puma application server to guarantee high availability and maximum performance.

Working with the front-end and the product teams to ensure smooth integration.

Participating in performance management and resolving complex technical problems.

Provide technical documentation for the solutions developed.

This job is tailored for you if :

You have strong skills on RoR, Redis and Puma.

You have knowledge about Elastic search.

You have an understanding of RESTful architectures and best practice in backend security.

You have strong soft skills: energetic, enthusiastic, self-motivated, open-minded, organized, proactive and independent.

You have good knowledge of versioning tools (Git).

You have the ability to work in a team and communicate effectively.

We are meant to work together if :

You are a passionate person and you have determination to reach any goal

You are curious and want to learn, improve and gain responsibility

You want more than just a job ! 

Kolsquare is a benefit company, with a general interest ambition that goes beyond our profitability goals: positively impact the world.

An “on demand” work from home company, with a head office in Paris, France. You will have access to our coworking network Spaces in 400+ cities in the world, and we will gather physically on a monthly and quarterly basis with other Kolsquarians for great team building events.

Our values at Kolsquare :

Deliver WOW – Be Responsible in your actions – Pursue Growth & Learning – Be passionate and determined – Share your Power, Knowledge & Wealth – Build Authentic relationshipsWe cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences.

We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation, and delivers better business results.More info about culture here in our Culture Book.

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