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Flexible Principal Java Software Engineer Jobs in Itasca, IL

Jobtailor

Lead Java Software Engineer

Chicago, IL · On-site

$120 - $160/hr

Competent to perform all programming and development assignments without close supervision ... Strong expertise in Java 17+ and backend development * Experience developing scalable software ...

Mojo Trek

Lead Java Software Engineer

Chicago, IL · On-site

$70 - $80/hr

What You'll Need (Required) Bachelor's degree in Computer Science, Electrical Engineering, or a related field. Eight years or more of experience designing and developing software applications in Java ...

1 point system

Lead Java Software Engineer

Chicago, IL · On-site

... enterprise software as a senior or lead engineer with ownership of complex systems and ... Deep expertise in Java and Spring frameworks, including Spring Boot and Spring Cloud, for building ...

ULINE

Software Developer - Java

Glenview, IL

$90K - $128K/yr

Software Developer - Java Pay from $90,000 to $128,000 per year 2200 S. Lakeside Drive, Waukegan, IL 60085 Are you ready to design, innovate and lead in a collaborative, cutting-edge tech environment?

ULINE

Senior Software Developer - Java

Glenview, IL

$96K - $148K/yr

Senior Software Developer - Java Pay from $96,000 to $148,000 per year 2200 S. Lakeside Drive, Waukegan, IL 60085 Are you ready to design, innovate and lead in a collaborative, cutting-edge tech ...

Morningstar

Principal Software Engineer

Chicago, IL · On-site +1

$117K - $123K/yr

... of software engineering experience in Lead, Principal, Senior, Associate Software Engineer ... and Java; 5 years of experience with performance, reliability, scalability, security, and ...

Morningstar, Inc.

Principal Software Engineer

Chicago, IL · On-site +1

$117K - $123K/yr

... of software engineering experience in Lead, Principal, Senior, Associate Software Engineer ... and Java; 5 years of experience with performance, reliability, scalability, security, and ...

Auria

Sr. Principal Software Engineer

Chicago, IL · On-site

$155 - $180/hr

As a Sr. Principal Software Engineer, you will be responsible for the design, development ... Provide software engineering support for multi-language (C/C++, Python, and Java) and complex ...

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All JobsPrincipal Java Software Engineer JobsFlexible Principal Java Software Engineer JobsFlexible Principal Java Software Engineer Jobs in Itasca, IL

Flexible Principal Java Software Engineer information

See Itasca, IL salary details

$80.8K

$145.7K

$196.2K

How much do flexible principal java software engineer jobs pay per year?

As of Aug 24, 2026, the average yearly pay for flexible principal java software engineer in Itasca, IL is $145,738.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,100.00 and $160,700.00 per year, depending on experience, location, and employer.

What is a flexible principal Java software engineer?

A Flexible Principal Java Software Engineer is a highly experienced software engineer specializing in Java programming who also demonstrates adaptability in working across various projects, teams, and technologies. 'Principal' denotes a leadership role, often involving technical guidance, architecture decisions, and mentoring other engineers. The 'flexible' aspect means this professional can adjust to changing requirements, work environments, or technical stacks as needed. They are typically responsible for designing robust solutions, overseeing complex projects, and ensuring high-quality software delivery.

What are the key skills and qualifications needed to thrive as a flexible principal Java software engineer?

To thrive as a Flexible Principal Java Software Engineer, you need deep expertise in Java development, system architecture, and design patterns, typically supported by a computer science degree and extensive experience. Familiarity with frameworks like Spring, cloud platforms (AWS, Azure), CI/CD tools, and relevant certifications (like Oracle Certified Professional) are commonly required. Strong leadership, problem-solving, and communication skills help drive complex projects and mentor teams effectively. These skills ensure the delivery of robust, scalable solutions and foster technical excellence within the organization.

How does a flexible principal Java software engineer typically collaborate with cross-functional teams, and what impact does this have on project outcomes?

As a Flexible Principal Java Software Engineer, you will frequently collaborate with cross-functional teams, including product managers, UX designers, QA engineers, and DevOps specialists. This collaboration ensures that technical decisions align with business goals and user needs, leading to more robust and scalable solutions. You'll often facilitate technical discussions, mentor junior developers, and help bridge communication gaps between technical and non-technical stakeholders. Effective collaboration not only improves project outcomes but also fosters a culture of continuous learning and innovation within the team.

What is the difference between Flexible Principal Java Software Engineer vs Principal Java Software Engineer?

AspectFlexible Principal Java Software EngineerPrincipal Java Software Engineer
Required CredentialsBachelor's or Master's in Computer Science, Java certifications often preferredBachelor's or Master's in Computer Science, Java certifications often preferred
Work EnvironmentFlexible, often remote or hybrid, project-basedTypically on-site or hybrid, leadership-focused
Employer & Industry UsageTech companies, startups, consulting firmsLarge enterprises, tech firms, financial institutions
Common Search & ComparisonYesYes

The main difference is that the Flexible Principal Java Software Engineer often works in more adaptable, remote environments and may handle diverse projects, while the Principal Java Software Engineer typically holds a more traditional, leadership-focused role within larger organizations. Both roles require strong Java expertise and similar credentials, but their work settings and responsibilities can differ.

What are the most commonly searched types of Principal Java Software Engineer jobs in Itasca, IL?

The most popular types of Principal Java Software Engineer jobs in Itasca, IL are:

Flexible Principal Java Software Engineer jobs near you

Lead Java Software Engineer AWS Microservices

3Core Systems, Inc

Chicago, IL • On-site

Other

Posted 10 days ago

Job description

3Core Systems, Inc is an SAP and Success Factors Partner with employees located across the United States. Our organization is dedicated to customer and employee satisfaction. We provide High Quality, Cost efficient and Competitive Solutions and Resources.

3Core Systems is looking for a Lead Java Software Engineer AWS Microservices for one of our clients in Chicago, IL, 60603 (Hybrid: 3 Days a week onsite)

"US and those authorized to work in the US are encouraged to apply. We are unable to sponsor visas at this time"

Job Title: Lead Java Software Engineer AWS Microservices
Location: Chicago, IL, 60603, USA
Duration: Long-term contract

Must Have Skills/Attributes: API, AWS, Azure, Elastic Search, Java, JUnit, MySQL, Spring Boot, SQL

Experience Desired: Java 17+ & Spring Boot for RESTful API Development (10 yrs); Public Cloud Deployment (AWS preferred) & API Gateway (Apigee) (10 yrs); End-to-End Software Lifecycle Ownership & Automated Testing (10 yrs)

Job Description
Required Education
Degree: Bachelor's degree or equivalent (implied by "Degree + 10+ years' experience")
Years of Experience: 10+ years of professional software engineering experience
Required Skills
Programming Language: Extensive experience with Java 17+ and Spring Boot for RESTful API development.
API Management: Experience with API gateways and management platforms, specifically Apigee (or similar).
Cloud Platforms: Proficiency deploying and maintaining software in public cloud environments (AWS, Azure, or Google Cloud Platform); AWS preferred given the platform context.
Testing: Proven ability to write comprehensive automated tests (unit, integration, end-to-end) using frameworks like JUnit and Mockito.
Architecture: Experience designing and implementing Event-Driven Architectures using message streaming solutions (e.g., AWS Kinesis, SQS, SNS, Apache Kafka, RabbitMQ, Azure Event Hub).
Datastores: Deep understanding of multiple datastore types:
o Relational: PostgreSQL, MySQL, Oracle, AWS RDS/Aurora
o NoSQL: MongoDB, Cassandra, AWS DynamoDB
o Search: Elasticsearch
o Caching: Redis
o Vector databases
CI/CD: Hands-on experience configuring and deploying software via CI/CD pipelines (Azure DevOps, Jenkins, or GoCD).
Agile: Demonstrated success working within an Agile/Scrum framework.
Security: Knowledge of secure service-to-service integrations using OAuth 2.0, JWT, and entitlement-based authorization models.
Soft Skills: Strong decision-making, critical thinking, and technical leadership abilities.
Preferred/Nice-to-Have:
Familiarity with AI-assisted coding companions (GitHub Copilot, Cursor).
Lead Software Engineer provides technical leadership in the design, development, testing, and deployment of a state-of-the-art digital platform hosted on AWS. This role will build a world-class platform to host a wide range of digital applications.
Key Responsibilities:
Lead the design and development of enterprise-scale REST APIs and microservices using Java 21+, Spring Boot, Apigee API Gateway, and AWS cloud services.
Architect API-first solutions; define service contracts, payload schemas, and OpenAPI/Swagger specifications.
Lead solution decomposition by breaking business requirements into technical designs, user stories, and implementation tasks.
Guide engineers in developing secure service-to-service integrations using OAuth 2.0, JWT, and enterprise entitlement-based authorization models.
Serve as the technical lead for complex initiatives, driving architecture decisions, design reviews, and code reviews.
Collaborate with product owners, UI development teams, architects, and partner teams to ensure successful delivery of customer-focused solutions.
Establish engineering best practices for reliability, scalability, observability, security, and maintainability.
Drive quality engineering practices including automated testing, performance testing, load testing, and production readiness reviews.
Lead troubleshooting and resolution of complex production issues.
Create and maintain technical documentation, operational runbooks, and engineering standards.
Drive end-to-end software ownership from design through deployment, monitoring, support, and continuous improvement.

Regards,

Recruiting Team

3Core Systems Inc

9101 Burnet Road, Suite 207, Austin, TX 78758

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