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      4476 Principal Java Developer jobs in Chicago,IL

      New, Posted 14 hours ago
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      Principal Software Engineer

      Mastercard

      Chicago, IL 60290

      RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

      • Extensive experience in designing and delivering large-scale, distributed systems and platforms.
      • Proven ability to influence technical strategy and drive architectural decisions across multiple teams.
      • Strong expertise in modern software engineering practices, cloud-native architectures, and AI/data platforms.
      • Exceptional communication and leadership skills with a track record of mentoring and thought leadership.
      • Bachelor's degree in Computer Science, Software Engineering, or a related technical discipline.
      • Data Architecture & Strategy
      • Focus on designing modern, scalable, governed data ecosystems.
      • Data strategy and product-aligned data architectures
      • Modern database technologies and migration away from legacy Oracle
      • Data lakehouse architectures supporting analytics and ML workloads
      • Feature catalog / feature engineering platforms
      • High-Throughput, Low-Latency, and Real-Time Systems
      • Critical for Mastercard's real-time decisioning and event-driven platforms.
      • Event streaming and high-throughput data pipelines
      • Low-latency data technologies (distributed caches, grid replacement)
      • Real-time transaction processing and sub-second decisioning
      • Rules engine design and modernization
      • Cloud Infrastructure, Platform Engineering & DevOps
      • Driving cloud-native engineering practices and operational excellence.
      • AWS infrastructure engineering and cloud-native platform patterns
      • DevOps and platform engineering (automation, CI/CD, observability, GitOps)
      • ML lifecycle engineering (model training, deployment, refresh, inference)
      • Deep, progressive experience in software engineering.
      • Proven technical leadership roles influencing architecture and design across multiple teams.
      • Proven track record of delivering large-scale, distributed systems and enterprise-grade platforms.
      SmartExplore AI is experimental.
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      New, Posted 15 hours ago
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      Principal Software Engineer

      Mastercard

      Chicago, IL 60290

      New, Posted just now
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      Product Designer (Design Systems)

      TEKsystems

      Chicago, IL 60629

      $50-$90/hr
      RemoteFlexible ScheduleHealth InsurancePaid Time OffRetirement Benefit

      • 4+ years of relevant design experience, with a strong emphasis on production, systems, or design support work
      • High level of expertise in Figma and maintaining component libraries
      • Proficiency with Google Workspace tools including Drive, Slides, Docs, and Sheets
      • Working knowledge of Adobe Creative Cloud tools such as Photoshop, Illustrator, and InDesign
      • Familiarity with designing for iOS, Android, and web platforms, including platform‑specific considerations
      • Production design experience with a strong focus on systems and scalability
      • Advanced proficiency in Figma, including component libraries and file organization
      • Experience working with design systems and reusable components
      • Strong prototyping skills using Figma or similar tools
      • Presentation and deck design experience
      • Experience designing for web, Android, and mobile platforms
      • Comfort working with AI‑related or AI‑enabled product surfaces
      SmartExplore AI is experimental.
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      New, Posted 1 day ago
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      Principal, Data Engineering (AI)

      Launch Consulting Group

      Chicago, IL 60290

      New, Posted 23 hours ago
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      Java Engineer

      Outlier

      Chicago, IL

      $50/hr

      • 2+ years of experience in backend engineering, AI automation, or complex systems integration
      • Proven ability to build and maintain production-grade software with modular separation (e.g., distinct services for data parsing, logic processing, and reporting)
      • Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java)
      • Experience working with SQL databases
      • Practical experience building for live, non-mocked environments and handling multi-turn system interactions
      • Outstanding attention to detail and the ability to provide clear, high-density technical feedback on complex system behaviors
      • This is a 1099 contract opportunity on the Outlier.ai platform
      • Because this is a freelance opportunity, we do not offer internships, sponsorship, or employment
      • You must be authorized to work in your country of residence
      • If you are an international student, you may be able to sign up for Outlier if you are on a visa
      SmartExplore AI is experimental.
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      New, Posted 1 day ago
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      Solution Architect

      Aramco

      Chicago, IL 60290

      Onsite

      • Bachelor's or Master's degree in Computer Science, Computer Engineering, Information Systems, or a related field.
      • Minimum of 15 years in IT, with at least 4 years in a Solution Architect or Lead Data Engineer role.
      • Proven track record of delivering at least two large-scale enterprise data platform migrations or greenfield builds.
      • Cloud Infrastructure: Expert-level experience with at least one major cloud provider (AWS, Azure, or GCP) and their native data services.
      • Containerization: Experience with Docker and Kubernetes for deploying data services.
      • Data Processing: Strong proficiency in batch and stream processing.
      • Programming: Advanced coding skills in Python, or Java, along with expert-level SQL.
      • Database Systems: Extensive experience managing and querying various systems: Relational: PostgreSQL, MySQL, SQL Server, NoSQL/NewSQL: MongoDB, Cassandra, Warehousing/Lakehouses: Snowflake, Databricks, BigQuery.
      • Enterprise Architecture: Knowledge of enterprise architecture principles, including business architecture, information architecture, and technology architecture.
      SmartExplore AI is experimental.
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      New, Posted 1 day ago
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      Information Technology Professional (IT Support)

      U.S. Navy

      Chicago, IL 60601

      iHire

      Assistant Principal

      East Maine School District 63

      Niles, IL 60714

      $106,000/yr
      New, Posted 1 day ago
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      Front-End Developer

      PersonalizationMall.com

      Willowbrook, IL 60527

      $75,000-$85,000/yr
      New, Posted 1 day ago
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      Senior Software Development Engineer Test

      1052 Partners

      Chicago, IL 60290

      $80/hr
      New, Posted 1 day ago

      Coding Educator

      Endeavor Health

      Skokie, IL 60076

      Hybrid~ 27 minEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

      • Education : High School Diploma Required
      • Certifications: CCS or CCS-P or CPC or RHIT required
      • Experience: 3 years of outpatient coding experience
      SmartExplore AI is experimental.
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      1. Chicago,IL Jobs
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      3. Principal Java Developer Jobs

      What companies are hiring Principal Java Developer jobs in Chicago,IL?

      1. Mastercard
      2. TEKsystems
      3. Launch Consulting Group
      4. Outlier
      5. Aramco
      6. U.S. Navy
      7. East Maine School District 63
      8. PersonalizationMall.com
      9. 1052 Partners
      10. Endeavor Health

      What is the hourly salary range for Principal Java Developer jobs in Chicago,IL?

      The hourly salary range is $50 - $90.

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