Machine Learning Engineer : Query Team

Constructor is the only search and product discovery platform tailor-made for enterprise e-commerce where conversions matter. Constructor's AI-first solutions make it easier for shoppers to discover products they want to buy and for e-commerce teams to deliver highly personalized experiences that drive impressive results. Optimizing specifically for e-commerce metrics like revenue, conversion rate and profit, Constructor generates consistent $10M+ lifts for some of the biggest brands in e-commerce, such as Sephora, Petco, home24, Maxeda Brands, Birkenstock and The Very Group. 

The Query team builds and maintains systems that are the entry point of C.io's search & autosuggest experiences; providing spelling correction, autocompletion, and other query-processing techniques that capture the user's intent, and steer the rest of our platform toward satisfying it. As a member of this team, you'll research, develop, and evaluate improvements to our services and systems, while guaranteeing their performance and scalability.

As an ML Engineer on the Query Team:

• Improve business KPIs by implementing ML solutions for query processing
• Develop and maintain search & autosuggest quality assessment pipelines.
• Use data to find opportunities for improvements, and propose, prioritize & validate hypotheses.
• Help to make our system more transparent for our customers

• Excellent knowledge of classical machine learning
• Familiarity with NLP
• Extensive Python knowledge
• Strong analytical skills & data-driven culture
• Familiarity with big data stack for end-to-end ML product development
• Nice to haves:
• Proficiency in deep learning, especially in the field of NLP
• Experience designing, conducting, and analyzing A/B tests
• Experience with Rust (or C/C++)
• Strong knowledge of data structures, algorithms, and their trade-off 

Expected skillset 

• Hard skills
• Must haves
• 4+ years of experience as an engineer 
• “Classic” ML and DL fundamentals
• Python
• Data analytics skills
• Basic data structures & algorithms 
• Nice to haves
• NLP, especially modern transformer-based
• Rust, C/C++, or any other compiled programming language
• Experience designing, conducting, and analyzing A/B tests
• Big data stack, preferably spark
• SQL
• Soft skills
• Must haves
• Autonomous & self-driven
• Team player, great to work with
• Data-driven, problem-first & metrics-oriented mindset
• Good listener and can explain complex ideas in simple words