The Aptask Data Engineer interview guide, interview questions, salary data, and interview experiences.

Aptask Data Engineer Interview Guide

Getting ready for an Data Engineer interview at Aptask? The Aptask Data Engineer interview span across 10 to 12 different question topics. In preparing for the interview:
<ul>
<li>Know what skills are necessary for Aptask Data Engineer roles.</li>
<li>Gain insights into the Data Engineer interview process at Aptask.</li>
<li>Practice real Aptask Data Engineer interview questions.</li>
</ul>
Interview Query regularly analyzes interview experience data, and we've used that data to produce this guide, with sample interview questions and an overview of the Aptask Data Engineer interview.


Getting ready for an Data Engineer interview at Aptask? The Aptask Data Engineer interview span across 10 to 12 different question topics. In preparing for the interview:

- Know what skills are necessary for Aptask Data Engineer roles.
- Gain insights into the Data Engineer interview process at Aptask.
- Practice real Aptask Data Engineer interview questions.

Interview Query regularly analyzes interview experience data, and we've used that data to produce this guide, with sample interview questions and an overview of the Aptask Data Engineer interview.
        

Overview

Aptask Data Engineer Salary

We've gathered this data from parsing thousands of interview experiences sourced from members.

We've gathered this data from parsing thousands of interview experiences sourced from members.

Aptask Data Engineer Interview Process

You are given a dictionary with a key-value of <code>{string: number}</code> where values in the dictionary could be duplicates. You are required to extract the unique values from the dictionary where the value occurred only once.

Return a list of values where they occur only once.

Note: You can return the values in any order.

Input:

<pre tabindex="0" class="chroma"><code>dictionary = {&#34;key1&#34;: 1, &#34;key2&#34;: 1, &#34;key3&#34;: 7, &#34;key4&#34;: 3, &#34;key5&#34;: 4, &#34;key6&#34;: 7}
</code></pre>

Output:

<pre tabindex="0" class="chroma"><code>find_unique_values(dictionary) -&gt; [3,4]

#Only 3 and 4 occurred once.
</code></pre>

Dictionary Unique Values

Given a table called <code>employees</code>, get the largest salary of any employee by department

Example:

Input:

<code>employees</code> table

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

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

<tr>
<td><code>department</code></td>
<td>VARCHAR</td>
</tr>

<tr>
<td><code>salary</code></td>
<td>INTEGER</td>
</tr>
</tbody>
</table>
Output:

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

<tbody>
<tr>
<td><code>department</code></td>
<td>VARCHAR</td>
</tr>

<tr>
<td><code>largest_salary</code></td>
<td>INTEGER</td>
</tr>
</tbody>
</table>

Write a query to get the largest salary of any employee by department

Largest Salary by Department

You’re tasked with designing a database system for Swipe Inc., a company that manages payments for software developers. Swipe manages a set of APIs so developers can abstract payment processes for their web service and transfer control over to Swipe’s APIs to manage payment security and finance handling (contacting credit card providers, etc.)

Your database system should store a collection of API keys with their attributes, as shown in the example below:

<pre tabindex="0" class="chroma"><code>{
 &#34;API_key&#34;:{
 &#34;Transaction_list&#34;:{
 &#34;User_ID&#34;:{
 &#34;Name&#34;:{
 &#34;f_name&#34;: 
 &#34;l_name&#34;: 
 }
 &#34;Card_Details&#34;:{
 &#34;Bank&#34;:
 &#34;Card_No&#34;:
 &#34;Expiry&#34;:
 &#34;CV&#34;:
 } 
 }
 }
 &#34;Curr_balance&#34;:
 }
}
</code></pre>

What are the functional and non-functional requirements for this database?

Determine the requirements for designing a database system to store payment APIs

Swipe Payment API

Aptask Data Engineer Interview Questions

About Client: The client provides information technology (IT) services, including business outsourcing, infrastructure technology, and application services. The application service offered by the company includes application development, maintenance, and support. The markets served by the company are financial services and insurance, healthcare, manufacturing, government, transportation, communications, and consumer and retail industries. Rate Range: $65/hr C2C $55/hr W2 Salary Range: $130K per annum + Benefits Location: Plano TX and Jersey City, NJ Hybrid 3 days office in week - Only local candidates within 40 Miles Job Description: <ul> <li>Strong knowledge of SQL and its use in building Large-Scale ETL solutions</li> <li>Good to Moderate knowledge of Python</li> <li>Good to moderate knowledge of AWS and Terraform</li> <li>ETL tools - More on the dataware house side >>> Snowflake and Aurora</li> <li>Dynamo DB (NoSQL) nice to have - (not essential)</li> <li>Looking for SQL and Python hands on.</li> <li>The candidate should have SQL background and it is the most important skill to have.</li></ul> About ApTask: ApTask is a leading global provider of workforce solutions and talent acquisition services, dedicated to shaping the future of work. As an African American-owned and Veteran-certified company, ApTask offers a comprehensive suite of services, including staffing and recruitment solutions, managed services, IT consulting, and project management. With a focus on excellence, collaboration, and innovation, ApTask provides unparalleled opportunities for professional growth and development. As a member of the ApTask team, you will have the chance to connect businesses with top-tier professionals, optimize workforce performance, and drive success across diverse industries. Join us at ApTask and be part of our mission to empower organizations to thrive while fostering a diverse and inclusive work environment. Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview. Candidate Data Collection Disclaimer: At ApTask, we prioritize safeguarding your privacy. As part of our recruitment process, certain Personally Identifiable Information (PII) may be requested by our clients for verification and application purposes. Rest assured, we strictly adhere to confidentiality standards and comply with all relevant data protection laws. Please note that we only collect the necessary information as specified by each client and do not request sensitive details during the initial stages of recruitment. If you have any concerns or queries about your personal information, please feel free to contact our compliance team at businessexcellence@aptask.com.

About Client: The client is a global technology, consulting, and digital solutions company with problem-solving abilities and an emphasis on developing ingenious solutions that allow its clients to remain competitive, profitable, and secure in an evolving business environment. Client anticipates and leads change to remain in the leader's quadrant for profitable growth, driven by partnerships with globally leading hyperscales like AWS, Google Cloud, and Microsoft. It has built strong capabilities in new as well as existing technologies such as cloud, data, and digital, pioneering new frontiers. Salary Range: $100K-$120K/Annum Job Description: Apache Spark 3 0 Skills Databricks Skills Python or Java PySpark Spark Spark SQL ETL Hadoop Databricks certification Responsibilities: Ensure effective Design Development Validation and Support activities in line with client needs and architectural requirements Ensure continual knowledge management Adherence to the organizational guidelines and processes As part of the delivery team your primary role would be to ensure effective Design Development Validation and Support activities to assure that our clients are satisfied with the high levels of service in the technology domain You will gather the requirements and specifications to understand the client requirements in a detailed manner and translate the same into system requirements You will play a key role in the overall estimation of work requirements to provide the right information on project estimations to Technology Leads and Project Managers You would be a key contributor to building efficient programs systems and if you think you fit right in to help our clients navigate their next in their digital transformation journey Requirements: A good professional with at least 6 9 yrs of experience in BigData PySpark HIVE Oracle PL SQL Candidate with prior experience working on technologies on Fund transfer AML knowledge will be an added advantage Excellent written and oral communications kills Self starter with quick learning abilities Multi task and should be able to work under stringent deadlines Ability to understand and work on various internal systems Ability to work with multiple stakeholders Skills Databricks-SparkSQL-Scala/Python/Java About ApTask: ApTask is a leading global provider of workforce solutions and talent acquisition services, dedicated to shaping the future of work. As an African American-owned and Veteran-certified company, ApTask offers a comprehensive suite of services, including staffing and recruitment solutions, managed services, IT consulting, and project management. With a focus on excellence, collaboration, and innovation, ApTask provides unparalleled opportunities for professional growth and development. As a member of the ApTask team, you will have the chance to connect businesses with top-tier professionals, optimize workforce performance, and drive success across diverse industries. Join us at ApTask and be part of our mission to empower organizations to thrive while fostering a diverse and inclusive work environment. Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview. Candidate Data Collection Disclaimer: At ApTask, we prioritize safeguarding your privacy. As part of our recruitment process, certain Personally Identifiable Information (PII) may be requested by our clients for verification and application purposes. Rest assured, we strictly adhere to confidentiality standards and comply with all relevant data protection laws. Please note that we only collect the necessary information as specified by each client and do not request sensitive details during the initial stages of recruitment. If you have any concerns or queries about your personal information, please feel free to contact our compliance team at businessexcellenceaptask.com .

About Client: The Client is a leading global IT services and consulting company, providing a wide range of services to clients in various industries, including banking, financial services, retail, manufacturing, healthcare, and more. It is one of the largest employers in the IT industry and has a vast and diverse workforce. The company places a strong emphasis on employee training and development. Client is known for its commitment to innovation and invests in research and development to stay at the forefront of technological advancements. It offers a comprehensive set of services, including: IT Services: Application development, maintenance, and testing. Consulting: Business consulting, IT strategy, and digital transformation. Business Process Outsourcing (BPO): Outsourcing of business processes to improve efficiency. Enterprise Solutions: Implementation and support of enterprise-level software solutions. Digital Services: Services related to digital technologies, such as analytics, cloud, and IoT. Salary Range: $100K-$125K/Annum Job Description: <ul> <li>Understanding and experience with Google Cloud architecture </li> <li>In-depth knowledge of database and data warehouse technologies & concepts </li> <li>from Google (e.g., Big Query, Cloud SQL, Spanner, Big Table) </li> <li>Experience in enterprise scale Data modelling/Data warehouse </li> <li>modernization/Cloud based data lakes </li> <li>Build the infrastructure required for optimal extraction, transformation, and </li> <li>loading of data from a wide variety of data sources using SQL and Google cloud big </li> <li>data' technologies. </li> <li>Building Data pipelines with Data proc Cluster, Data Flow, Pub sub, Cloud </li> <li>Composer (Airflow), Cloud functions etc. </li> <li>Fluency in object-oriented languages, preferably Python. </li> <li>Strong understanding of distributed systems architecture. </li> <li>Data quality process experience including data cleansing, audits and alerts, triage </li> <li>mechanisms & processes, and referential integrity. </li> <li>CI/CD: Release, deployment with Google Cloud build and git flow, GKE, Docker</li></ul> About ApTask: ApTask is a leading global provider of workforce solutions and talent acquisition services, dedicated to shaping the future of work. As an African American-owned and Veteran-certified company, ApTask offers a comprehensive suite of services, including staffing and recruitment solutions, managed services, IT consulting, and project management. With a focus on excellence, collaboration, and innovation, ApTask provides unparalleled opportunities for professional growth and development. As a member of the ApTask team, you will have the chance to connect businesses with top-tier professionals, optimize workforce performance, and drive success across diverse industries. Join us at ApTask and be part of our mission to empower organizations to thrive while fostering a diverse and inclusive work environment. Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview. Candidate Data Collection Disclaimer: At ApTask, we prioritize safeguarding your privacy. As part of our recruitment process, certain Personally Identifiable Information (PII) may be requested by our clients for verification and application purposes. Rest assured, we strictly adhere to confidentiality standards and comply with all relevant data protection laws. Please note that we only collect the necessary information as specified by each client and do not request sensitive details during the initial stages of recruitment. If you have any concerns or queries about your personal information, please feel free to contact our compliance team at businessexcellence@aptask.com

About Client: The Client is a leading global IT services and consulting company, providing a wide range of services to clients in various industries, including banking, financial services, retail, manufacturing, healthcare, and more. It is one of the largest employers in the IT industry and has a vast and diverse workforce. The company places a strong emphasis on employee training and development. Client is known for its commitment to innovation and invests in research and development to stay at the forefront of technological advancements. It offers a comprehensive set of services, including: IT Services: Application development, maintenance, and testing. Consulting: Business consulting, IT strategy, and digital transformation. Business Process Outsourcing (BPO): Outsourcing of business processes to improve efficiency. Enterprise Solutions: Implementation and support of enterprise-level software solutions. Digital Services: Services related to digital technologies, such as analytics, cloud, and IoT. Salary Range: $110K-$130K/Annum Job Description: <ul> <li>Looking for a Data Engineer who has a passion for building scalable and high performing data pipelines and data services. </li></ul>Responsibilities:<ul> <li>Design, implement, optimize, and maintain data pipelines and reports using Python, SQL, Java, Spark, PySpark, Java</li> <li>Collaborate with data analysts, and engineering teams to gather requirements, and build data pipelines/services</li> <li>Work closely with operation teams to support the operation of data deliverables</li> <li>Ensure data integrity and quality through rigorous validation and testing procedures. </li></ul>Qualifications:<ul> <li>Proficiency in building data pipelines with Python and Java</li> <li>Proficiency in large scale data processing technologies such as Spark, Kafka and Flink</li> <li>Familiarity with RDBMS and solid experience with SQL for data manipulation and reporting</li> <li>Experience building scalable solutions in cloud computing environment such as AWS EKS and S3</li> <li>Experience in data analytics with strong analytical and problem-solving skills</li> <li>Good to have HDFS knowledge.</li> <li>Strong communication skills, team collaboration skills, and managing multiple tasks effectively </li></ul> About ApTask: ApTask is a leading global provider of workforce solutions and talent acquisition services, dedicated to shaping the future of work. As an African American-owned and Veteran-certified company, ApTask offers a comprehensive suite of services, including staffing and recruitment solutions, managed services, IT consulting, and project management. With a focus on excellence, collaboration, and innovation, ApTask provides unparalleled opportunities for professional growth and development. As a member of the ApTask team, you will have the chance to connect businesses with top-tier professionals, optimize workforce performance, and drive success across diverse industries. Join us at ApTask and be part of our mission to empower organizations to thrive while fostering a diverse and inclusive work environment. Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview. Candidate Data Collection Disclaimer: At ApTask, we prioritize safeguarding your privacy. As part of our recruitment process, certain Personally Identifiable Information (PII) may be requested by our clients for verification and application purposes. Rest assured, we strictly adhere to confidentiality standards and comply with all relevant data protection laws. Please note that we only collect the necessary information as specified by each client and do not request sensitive details during the initial stages of recruitment. If you have any concerns or queries about your personal information, please feel free to contact our compliance team at businessexcellence@aptask.com.

Aptask Data Engineer Interview Guide

Overview

Aptask Data Engineer Salary

Aptask Data Engineer Interview Process

Aptask Data Engineer Interview Questions

Aptask Data Engineer Jobs