Senior Backend Engineer (Spark, Scala, Python, AWS/GCP)

Quantum Technologies. LLC; Elk Grove (CA); On-site; USD 103,000 - 165,000; Full time

Job summary

QUANTUM TECHNOLOGIES LLC is seeking a skilled Back-End Engineer with a data engineering focus to design, develop, and maintain scalable data pipelines and backend systems. You will work with large datasets, leverage cloud technologies, and partner with data scientists to deliver data-driven solutions.

Candidates should have 5+ years in backend development, strong Spark, Python, Scala, Java, and SQL skills, plus AWS or GCP and Kafka experience.

Qualifications

• Bachelor’s degree in computer science or related field, or equivalent experience.
• 5+ years of backend development with a data engineering focus.
• Strong problem solving and collaboration skills.

Responsibilities

• Design, develop, and maintain data pipelines using Spark, Python, Scala, and Java.
• Write efficient SQL for ETL processes and data extraction.
• Build real-time streaming pipelines with MSK/Kafka and use S3 for storage.
• Ensure data quality, security, and collaborate with data scientists.

Skills

Spark

Python

Scala

Java

SQL

DataFrames

Cloud AWS

GCP

Kafka

S3

Iceberg

Data Warehousing

Communication

Education

Bachelor’s degree in computer science or related field

Tools

AWS

GCP

MSK/Kafka

S3

Iceberg

Data Lake

Job description

Location:

Elk Grove, CA

Duration:

12Months+ Extension

Hourly Rate:

Depending on Experience (DOE)

Work Authorization:

About the Role:

We are seeking a skilled and passionate Back-End Engineer with a strong background in data engineering to join our growing team. In this role, you will be responsible for designing, developing, and maintaining scalable and reliable data pipelines and back-end systems. You will work with large datasets, leverage cloud technologies, and collaborate with data scientists and other engineers to deliver impactful data-driven solutions. This position is available in both the United States and India.

Responsibilities:

• Design, develop, and maintain data pipelines using Spark, Python, Scala, and Java.
• Write efficient and optimized SQL queries for data extraction, transformation, and loading (ETL) processes.
• Work with DataFrames to manipulate and analyze large datasets.
• Implement data storage and processing solutions using cloud technologies (preferably AWS or GCP).
• Build and maintain real-time data streaming pipelines using MSK/Kafka.
• Utilize S3 for data storage and retrieval.
• Work with data lake technologies like Iceberg.
• Ensure data quality, integrity, and security.
• Collaborate with data scientists and other engineers to understand data requirements and deliver solutions.
• Participate in code reviews and contribute to improving our development processes.
• Troubleshoot and resolve issues in data pipelines and back-end systems.

Qualifications:

• Bachelor’s degree in computer science or a related field (or equivalent experience).
• 5+ years of experience in back-end development with a focus on data engineering.

Required Skills:

• Strong proficiency in Spark, Python, Scala, and Java.
• Expertise in SQL and working with relational databases.
• Experience with DataFrames for data manipulation and analysis.
• Experience with cloud technologies (preferably AWS or GCP).
• Experience with message streaming platforms like MSK/Kafka.
• Experience with S3 or similar object storage.
• Experience with data lake technologies like Iceberg.
• Solid understanding of data warehousing concepts.
• Excellent communication and collaboration skills.

Bonus Points:

• Experience with data modelling and schema design.
• Experience with data governance and data quality management.
• Experience with DevOps practices and CI/CD pipelines.
• Relevant certifications (e.g., AWS Certified Data Engineer, Google Cloud Certified Professional Data Engineer).

QUANTUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. QUANTUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will QUANTUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract