Senior IT Big Data Developer

Custom Software Systems, Inc. is seeking an experienced Senior IT Big Data Developer to design, develop, and optimize large-scale data solutions across hybrid cloud and on-premise environments. This role requires deep expertise in relational and NoSQL databases, advanced ETL/ELT processes, and modern Big Data technology stacks. The ideal candidate will bring a proven track record of building scalable data systems, leveraging AWS services, and applying DevOps practices to deliver innovative solutions for complex data challenges.

Required Qualifications

At least ten (10) years of demonstrated experience with relational databases such as Microsoft SQL Server or Oracle, and NoSQL databases such as MongoDB, CouchDB, HBase, Cosmos DB, and Oracle.

At least ten (10) years’ demonstrated experience with:

Object-oriented programming languages and frameworks such as C#, Java, Python, Scala, .NET, Spark, Spring, or Hibernate.

Scripting languages such as JavaScript, Node.JS, or Shell script.

Developing automated extract, transform and load (ETL) and extract, load, and transform (ELT) processes using major tools such as Informatica PowerCenter, Apache NiFi, Data Oracle Integrator, Microsoft SQL Server Integrated Services (SSIS), IBM Infosphere Information Server, or SAP BusinessObjects Data Integrator

At least seven (7) years of demonstrated experience developing software according to software development lifecycles (SDLCs), including DevOps, Agile, Lean, Iterative, or

Waterfall.

AWS Developer - Associate

AWS Data Engineer - Associate

Clearance

N/A

Citizenship

US Citizen

Knowledge, Skills & Abilities

Demonstrated understanding of Big Data architecture, design patterns, and repositories such as data lakes and data warehouses.

In-depth understanding of developing against Big Data technology stacks.

In-depth understanding of how to optimize automated ETL processes when working with large structured and unstructured data sets (TBs+ range).

Ability to develop applications based on cloud-based data and big data systems, including Amazon Aurora, Snowflake, Databricks, and Amazon Redshift.

Ability to use infrastructure as code (IaC), such as Terraform, AWS CloudFormation, to build and configure data systems as part of a DevOps program.

Ability to develop applications utilizing hybrid data systems, including a mixture of cloud and on-premises data systems such as MS SQL Server.

Compensation & Benefits

Wage Range: Negotiable

General Benefits: Custom Software Systems, Inc. offers our employees a competitive benefits package that may include:

Health insurance plans

Health Savings Account (HSA)

Dental

Vision

Long-term disability

Short-term disability

Basic term life insurance

Supplemental term life insurance for employees, spouses, and dependents

Simple IRA

Parking/Commuting expense reimbursement

Training/Education