Unisys · 19 hours ago
Big Data Developer
Rockville, MD
Full-time
Onsite
Senior Level
5+ years expUnisys is seeking a highly skilled and experienced Big Data Engineer to design, develop, and optimize large-scale data processing systems. The role involves collaborating with cross-functional teams to architect data pipelines and ensure the performance, scalability, and reliability of big data platforms.
Business DevelopmentInformation ServicesInformation TechnologyManagement Information SystemsSoftware
Hiring Manager
Vishal Kumar Shukla
Responsibilities
Design, develop, and maintain large-scale data processing pipelines using Big Data technologies (e.g., Hadoop, Spark, Python, Scala)
Implement data ingestion, storage, transformation, and analysis of solutions that are scalable, efficient, and reliable
Stay current with industry trends and emerging Big Data technologies to continuously improve the data architecture
Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions
Optimize and enhance existing data pipelines for performance, scalability, and reliability
Develop automated testing frameworks and implement continuous testing for data quality assurance
Conduct unit, integration, and system testing to ensure the robustness and accuracy of data pipelines
Work with data scientists and analysts to support data-driven decision-making across the organization
Ability to write and maintain automated unit, integration, and end-to-end tests
Monitor and troubleshoot data pipelines in production environments to identify and resolve issues
Qualification
Required
Minimum 5 years of IT experience with 2-3+ years in big data
Spark, Strong SQL
Programming Languages any of these fine - python/Scala/Java/R
Can build scalable high pipelines
Good communicator + team player
Bachelor's degree in Computer Science, Information Systems or related discipline with at least five (5) years of related experience, or equivalent training and/or work experience
Demonstrated technical expertise in Object Oriented and database technologies/concepts which resulted in deployment of enterprise quality solutions
Past experience with developing enterprise quality solutions in an iterative or Agile environment
Extensive knowledge of industry leading software engineering approaches including Test Automation, Build Automation and Configuration Management frameworks
Strong written and verbal technical communication skills
Demonstrated ability to develop effective working relationships that improved the quality of work products
Ability to maintain focus and develop proficiency in new skills rapidly
Experience with object oriented programming languages such as Java, Scala or Python
Experience with Big data technologies such as Hadoop, Spark, Hive & Trino
Evaluate understanding of common issues like: Data skew and strategies to mitigate it, Working with massive data volumes in PetaBytes, Troubleshooting job failures due to resource limitations, bad data, scalability challenged
SQL Skills (Window Functions, Joins, Complex Queries)
Assess comfort with SQL window functions, multi-table joins, aggregations
Apache Spark (Development, Internals & Tuning)
Test their understanding of Spark's core architecture — executors, tasks, stages, DAG
Focus on Spark performance tuning techniques: partitioning, caching, broadcast joins, etc
Cloud Technologies
Check exposure to AWS services like S3, EMR, Glue, Lambda, Athena, etc
Programming - Python or Scala
Assess ability to write clean, modular, and performant code
Preferred
Finance expertise: will prefer but not necessary
Master's degree and past Financial Services industry experience preferred
Experience with managing production data pipelines/ETL systems
Experience with CI/CD
Experience writing test cases
AWS certifications
Company
Unisys
Unisys is a worldwide information technology company. They provide a portfolio of IT services, software, and technology that solves
10001+ employees
H1B Sponsorship
Unisys has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (43)
2024 (47)
2023 (24)
2022 (21)
2021 (21)
2020 (25)
Funding
Current Stage
Public CompanyTotal Funding
$1.19B2025-06-16Post Ipo Debt· $700M
2020-10-29Post Ipo Debt· $485M
2010-01-19Acquired
Leadership Team
Mike Thomson
CEO & President
Raj R Raman
CTO, Cloud
Recent News
2025-12-16
Company data provided by crunchbase