Back-End Engineer, Addressability [Freelance]

Equativ; Paris; Sur place; EUR 45 000 - 65 000; Plein temps

Résumé du poste

Equativ is seeking a Back-end Developer to join their Addressability team in Paris. Your role will involve building and querying a multi-billion entry Id Graph, implementing high-performance data ingestion techniques, and enhancing our data graph's capabilities. Ideal candidates are proficient in C#, experienced with high-performance KV stores like Aerospike, and familiar with event streaming technologies such as Kafka. This position offers opportunities for mentorship and innovation within an Agile framework.

Qualifications

• 3-4 years of seniority in high perf, low latency C# coding.
• Expertise in Aerospike or equivalent high performance KV store.
• Experience with Event streaming (Kafka), Go, PHP, Docker, Kubernetes, Cloud platforms is a big plus.
• Able to lead design discussions and mentor others.
• Customer-oriented approach: deliver clean and usable solutions.
• Proficient in verbal and written English.
• Passion for high quality and maintainable code.
• Entrepreneurial spirit with identification of improvement opportunities.
• Personal projects with code sharing appreciated.

Responsabilités

• Ingest massive amounts of data into high performance key value stores.
• Query user data millions of times per second with low response time.
• Improve the graph's efficiency by making it sharper and faster.
• Make design trade-offs between features and performance.
• Provide business support with external partners and customers.

Connaissances

C# coding

Aerospike or equivalent high performance KV store

Event streaming (Kafka)

Docker

Kubernetes

Cloud platforms (ideally GCP)

Customer-oriented approach

English proficiency

Outils

Docker

Kubernetes

Kafka

Description du poste

About the team

At Equativ, we’re on a mission to develop advertising technologies that empower our customers to reach their digital business goals. This means that we rely on massively scalable, widely distributed, highly available, and efficient software systems; the platform deals with over 3 million requests per second (+250 billion/day) managed by 3,000 servers with less than 250ms response time.

Our innovation team based in Paris, Nantes, Bordeaux, Limoges, Krakow and Berlin is composed of 150+ straightforward and energetic engineers working in an Agile environment and ready to tackle the most complex technical challenges.

Your mission

You will join our Addressability team distributed in multiple locations. You will be onboarded in a multi expertise feature team of back-end developers and Data Engineers, with the mission to build and query a multi billion entry Id Graph, plug third party data providers and provide customers and business teams with advanced targeting and reporting features.

What you\'ll do

• Ingestion of massive amounts of data high performance key value stores


• Query user data millions of times per second with a response time of a few ms


• Improvement of our graph by making it sharper, faster


• Design trade offs (feature vs performance)


• Business support on external partners\' and customers

About you

• 3-4 years of seniority in high perf, low latency C# coding


• Expertise of Aerospike or equivalent high performance KV store


• Experience with Event streaming (Kafka), Go, PHP, Docker, Kubernetes, Cloud platforms (ideally GCP) is a big plus


• Able to lead design discussions and mentor others


• Customer oriented approach: you deliver clean and usable solutions for customers (and you know that customers hate bugs!)


• Proficient in verbal and written English


• Passion for writing high quality and maintainable code following Software Craftsmanship or Continuous Delivery


• Entrepreneurial spirit and know-how to identify opportunities of improvement


• Personal projects with code sharing, we’re curious about your art!

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.