Prepare for and practice interview questions from Solvay.

Solvay Interview Questions

Solvay Interview Guides

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

Let’s say that your company is running a standard control and variant AB test on a feature to increase conversion rates on the landing page. The PM checks the results and finds a .04 p-value.

How would you assess the validity of the result?

Experiment Validity

Let’s say we have a table with an <code>id</code> and <code>name</code> fields. The table holds over 100 million rows and we want to sample a random row in the table without throttling the database.

Write a query to randomly sample a row from this table.

Input:

<code>big_table</code> table

<table>
<thead>
<tr>
<th>Columns</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>

Write a query to randomly sample a row from a big table.

Random SQL Sample

Solvay Salaries by Position

Syensqo is all about chemistry. We're not just referring to chemical reactions here, but also to the magic that occurs when the brightest minds get to work together. This is where our true strength lies. In you. In your future colleagues and in all your differences. And of course, in your ideas to improve lives while preserving our planet's beauty for the generations to come. We are looking for: A Sr. Research Scientist I to aid in research and development of new and improved products, technologies, and applications for the mining industry in Stamford, CT. You will work in a team environment with R&I Scientists, Engineers, and Chemists to develop value-added products and technologies for the alumina and phosphate industry through laboratory and field testing. We can count on your for: <ul> <li>Define and execute alumina and industrial mineral processing research programs</li> <li>Synthesis of new polymers</li> <li>Design and implement appropriate lab and field tests required to validate and commercialize new products</li> <li>Develop fundamental and application knowledge for current and new products</li> <li>Propose new ideas and run the required tests for feasibility assessment</li> <li>Define and perform industrial scale application trials working collaboratively with project team members and customers</li> <li>Document and effectively communicate research findings, both internally and externally</li> <li>Work collaboratively with peers, project team members, other internal departments (R&I synthesis, Analytical, Manufacturing, Commercial & Sales), and customers to achieve innovation targets</li> <li>Identify opportunities for IP protection, and provide support for patent applications or new product registration</li> <li>Stay up-to-date with technical literature, industry and technology trends. Participate in strategic professional conferences and present papers</li> <li>Actively demonstrate positive safety behaviors in accordance with Solvay's best practices</li> <li>Up to 20% of travel required</li></ul> Safety Responsibilities: <ul> <li>Understand and follow key Solvay safety policies and procedures for the site, including but not limited to the following:</li> <li>Emergency response / evacuation guidelines</li> <li>Visitor Safety Policy</li> <li>Housekeeping</li> <li>Demonstrate a commitment to safety on site and during travel to customer sites</li> <li>Know the location of first aid and emergency response equipment, chemicals, and chemical documentation.</li> <li>Obtain equipment or process specific safety training as necessary according to the specific hazards</li></ul> You can count on us for: <ul> <li>Excellent training & development possibilities.</li></ul> You will bring: <ul> <li>PhD in Organic Chemistry or Polymer Chemistry.</li> <li>A minimum of 3-5 years' R&D experience in industry setting or postdoctoral experience is required.</li> <li>Hands-on laboratory experiences in organic synthesis are required. Experiences and knowledge about the synthesis of organosulfur compounds or organophosphorus compounds are a plus.</li> <li>Good knowledge in one or more of the following areas is preferred: organic chemistry, organometallic chemistry, water soluble polymers, surfactant chemistry</li> <li>Capacity to innovate and curiosity towards chemical technologies & products</li> <li>Excellent verbal and written communication skills</li> <li>Knowledge of experimental design, statistics and data analysis is considered a plus</li> <li>Ability to teach and coach peers in novel methodologies is desirable.</li> <li>Should be self-motivated and results oriented.</li> <li>Good organizational and prioritization skills to manage the workload and ability to work independently</li> <li>Must be a self-starter and able to multitask</li></ul> You will get: <ul> <li>Competitive salary and benefits package.</li> <li>The U.S. base salary range reasonably expected to be paid for this position is $105,000 to $129,000 per year. Since actual compensation packages are based on a variety of factors unique to each candidate we may ultimately pay more or less than the posted base salary range. Total compensation for this role also includes bonus and/or other incentives.</li> <li>16, or more, weeks of maternity/paternity and co-parenting leave, according to local regulations</li> <li>Training platform for all employees</li> <li>Free language courses (24 languages available)</li> <li>Free well-being sessions (physical and psychological)</li></ul> About us <ul> <li>Syensqo is a science company developing groundbreaking solutions that enhance the way we live, work, travel and play. Inspired by the scientific councils which Ernest Solvay initiated in 1911, we bring great minds together to push the limits of science and innovation for the benefit of our customers, with a diverse, global team of more than 13,000 associates. Our solutions contribute to safer, cleaner, and more sustainable products found in homes, food and consumer goods, planes, cars, batteries, smart devices and health care applications. Our innovation power enables us to deliver on the ambition of a circular economy and explore breakthrough technologies that advance humanity.</li> <li>At Syensqo, we seek to promote unity and not uniformity. We value the diversity that individuals bring and we invite you to consider a future with us, regardless of background, age, gender, national origin, ethnicity, religion, sexual orientation, ability or identity. We encourage individuals who may require any assistance or accommodations to let us know to ensure a seamless application experience. We are here to support you throughout the application journey and want to ensure all candidates are treated equally. If you are unsure whether you meet all the criteria or qualifications listed in the job description, we still encourage you to apply.</li></ul>

Syensqo is all about chemistry. We're not just referring to chemical reactions here, but also to the magic that occurs when the brightest minds get to work together. This is where our true strength lies. In you. In your future colleagues and in all your differences. And of course, in your ideas to improve lives while preserving our planet's beauty for the generations to come. Job overview and responsibilities Join us at Syensqo, where our IT team is gearing up to enhance its capabilities. We play a crucial role in the group's transformation-accelerating growth, reshaping progress, and creating sustainable shared value. IT team is making operational adjustments to supercharge value across the entire organization. Here at Syensqo, we're one strong team! Our commitment to accountability drives us as we work hard to deliver value for our customers and stakeholders. In our dynamic and collaborative work environment, we add a touch of enjoyment while staying true to our motto: reinvent progress. Come be part of our transformation journey and contribute to the change as a future team member. As a Process Mining Data Engineer, you will join a dynamic team of Data Engineers responsible for driving Syensqo's digital transformation. You will collaborate with various stakeholders, including Product Managers, IT experts, and our Business partners, to design and build advanced data pipelines. Your work will enable the collection, processing, transformation, and curation of large data volumes, integrating essential data quality controls and providing valuable analyses and operational tools within Celonis. Key Responsibilities: <ul> <li>Data Collection: Establish and manage data connections between source systems and the Celonis process mining tool, ensuring consistent data collection and preparation of source systems.</li> <li>Data Preparation: Prepare data for the process mining data model, considering the required level of customization for specific use cases and business needs.</li> <li>Data Modeling: Create event logs and develop the process mining data model.</li> <li>Data Visualization: Profile data to validate its suitability for purpose and build analyses and dashboards in Celonis Studio.</li> <li>Process Enhancement: Develop "skills/business rules" to provide an operational workplace for users, leverage machine learning features to improve operational processes, and implement process automation features (Action Flows).</li> <li>Project Management: Independently manage projects from start to finish.</li></ul> RUN/ Maintenance Mode Responsibilities: Maintain data models and applications, monitor data load jobs and correct any failures, evolve data models and analyses based on business requests, provide user support, and analyze software releases to evaluate impacts. Education and experience <ul> <li>Successfully completed a Masters degree in Business Informatics, Computer Science, Information Technology oriented Business Administration/ Economics, Mathematics or a comparable degree program</li> <li>At least 2 years of work experience in Process Mining with a successful track record.</li> <li>Experience of working on SQL databases. PQL Celonis language is a plus.</li> <li>Experience with extraction of data from SAP tables, Salesforce and other source systems.</li> <li>Business Intelligence and data visualization</li> <li>Experience in Project Management</li></ul> Skills and behavioral competencies <ul> <li>Result orientation, influence & impact</li> <li>Empowerment & accountability</li> <li>Team spirit, building relationships, collective accountability </li> <li>Strong leadership capability, executing as appropriate in the areas of responsibility</li> <li>Excellent oral and written communication skills, including the ability to explain technology solutions in business terms, establish rapport and persuade others</li> <li>Stay open to learning and adapting to other tools or evolutions of the current tool to ensure continuous improvement and alignment with industry best practices.</li></ul> Language skills English What's in it for the candidate <ul> <li>Be part of and contribute to a once-in-a-lifetime change journey </li> <li>Join a dynamic team that is going to tackle big bets</li> <li>Have fun and work at a high pace</li></ul> About us <ul> <li>Syensqo is a science company developing groundbreaking solutions that enhance the way we live, work, travel and play. Inspired by the scientific councils which Ernest Solvay initiated in 1911, we bring great minds together to push the limits of science and innovation for the benefit of our customers, with a diverse, global team of more than 13,000 associates. Our solutions contribute to safer, cleaner, and more sustainable products found in homes, food and consumer goods, planes, cars, batteries, smart devices and health care applications. Our innovation power enables us to deliver on the ambition of a circular economy and explore breakthrough technologies that advance humanity.</li> <li>At Syensqo, we seek to promote unity and not uniformity. We value the diversity that individuals bring and we invite you to consider a future with us, regardless of background, age, gender, national origin, ethnicity, religion, sexual orientation, ability or identity. We encourage individuals who may require any assistance or accommodations to let us know to ensure a seamless application experience. We are here to support you throughout the application journey and want to ensure all candidates are treated equally. If you are unsure whether you meet all the criteria or qualifications listed in the job description, we still encourage you to apply.</li></ul>

Solvay Interview Questions

Solvay Interview Guides

Solvay Interview Questions

Solvay Salaries by Position

Solvay Opening Jobs