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Senior IT Big Data Developer

Custom Software Systems Inc.Washington D.c., United StatesOnsite

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

ClearanceN/ACitizenshipUS CitizenKnowledge, 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


Life at Custom Software Systems Inc.

Welcome To Custom Software Systems, Inc. About Custom Software Systems, Inc.: Headquartered in Leesburg, Virginia, Custom Software Systems, Inc. (CSS) is a certified Woman Owned Small Business (WOSB) and certified HUBZone Business. Built on a foundation of trusted client partnerships, CSS has fostered a “stakeholder-centric”, yet disciplined approach to IT solutions development. This ensures our ability to consistently deliver on time and within budget and to meet or exceed our customers’ expectations. Core Expertise: CSS specializes in developing and implementing Custom Software Solutions and Support Services which deliver high value to our customers. Our skilled team of consultants helps our clients/partners integrate technology that fits their business needs. We provide our clients with a full array of services, including: - Project Management & Oversight (PMP certified Project Managers) - Database and Data Management (Certified DBA’s) - Data Architecture (DAMA and TDWI member) - Middleware Support (Oracle Fusion Middleware) - Application Lifecycle Management (ALM) - Oracle Fusion Middleware Support - Business Intelligence Support (WebFOCUS, Business Objects, Tableau) - Full Lifecycle Application Development (Agile, RUP, Waterfall) - Identity Management - Operations and Maintenance Core Values: CSS was founded on a set of guiding principles that include good old fashioned hard work, ethics, teamwork, and innovation. We establish relationships with our customers that are based on direct and honest communication and perseverance to get the job done which in turn fosters respect and trust. We expect our associates, at every level, to conduct themselves with integrity, honesty and strong ethics in all relationships with customers and employees.
Thrive Here & What We Value1. Collaborative team environment with a strong focus on customer service and solution ownership2. Agile SAFe Scrum Team experience

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