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Senior Java Developer Jobs in Crystal Lake, IL (NOW HIRING)

Job Title Senior Engineer Corporate Title Vice President Location Cary, NC Who we are In short - an ... Expertise in Java, Spring Boot, NodeJS, Structured Query Language (SQL)/PLSQL, ReactJS * Strong ...

Software Engineer

Schaumburg, IL · On-site

$84K - $120K/yr

... senior engineers • Understand and adapt to existing system designs and technology choices • ... Java, or a similar modern, object-oriented programming language • Strong understanding of ...

Lead AI/ML Engineer - Remote

Schaumburg, IL · On-site +1

$100K - $132K/yr

... including senior leadership * Evaluate emerging trends to inform solution design, optimize ... Java, Scala, or similar programming languages * 3 years of experience designing, training, and ...

Lead AI/ML Engineer - Remote

Schaumburg, IL · On-site +1

$100K - $132K/yr

... including senior leadership * Evaluate emerging trends to inform solution design, optimize ... Java, Scala, or similar programming languages * 3+ years of experience designing, training, and ...

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Senior Java Developer information

See Crystal Lake, IL salary details

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How much do senior java developer jobs pay per hour?

As of Jul 10, 2026, the average hourly pay for senior java developer in Crystal Lake, IL is $60.93, according to ZipRecruiter salary data. Most workers in this role earn between $53.37 and $68.08 per hour, depending on experience, location, and employer.

What is the difference between Senior Java Developer vs Java Software Engineer?

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are some common challenges Senior Java Developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

What are the key skills and qualifications needed to thrive as a Senior Java Developer, and why are they important?

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are Senior Java Developers?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.
What job categories do people searching Senior Java Developer jobs in Crystal Lake, IL look for? The top searched job categories for Senior Java Developer jobs in Crystal Lake, IL are:
What cities near Crystal Lake, IL are hiring for Senior Java Developer jobs? Cities near Crystal Lake, IL with the most Senior Java Developer job openings:
Senior Technical Consultant/ Solutions Engineer

Senior Technical Consultant/ Solutions Engineer

Convr

Schaumburg, IL • On-site

$54.25 - $70/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 26 days ago


Job description

About Convr: Convr is an AI underwriting, data, and intelligent document automation workbench built for commercial P&C insurers. We help carriers, MGAs, and brokers accelerate premium growth, improve risk insights, and drive operational efficiency. Founded in 2016, Convr transforms outdated, manual processes into structured, decision-ready workflows. Our modular platform manages underwriting from submission through quote with a purpose-built AI decisioning context engine - grounded in a commercial insurance ontology - ensuring complete data and smarter decisions, faster, while enabling a frictionless experience and superior performance. As we scale, we're building a team shaping the future of commercial underwriting. Join us in modernizing commercial insurance with modern AI.
Role Overview: In this role, you will be joining the Professional Services Team as a Senior Technical Consultant. You will ensure that our customers make the best possible use of the Convr platform, equip them to pursue their strategic objectives, and help them achieve their desired business goals. You will develop a deep technical and functional understanding of Convr product capabilities and customer needs to act as the Convr expert during customer implementation projects. Daily tasks include developing software using Python, Docker, and Kubernetes. You will collaborate closely with Product, Engineering, Business Development, and Customer Success teams to effectively drive product-oriented conversations with customers. You should maintain a solution-oriented approach and be excited to be a part of a growing team, welcoming the challenges that come along with a high growth environment.
Who You Are:
  • Great communication skills in technical concepts and solutions
  • Ability to multi-task and manage priorities while meeting deadlines
  • Enjoys solving problems
  • Passionate about learning and technology
  • Willingness to roll up your sleeves and do whatever it takes for the success of our customers!

What You'll be Doing:
  • Provide technical consulting expertise for complex, high-impact projects
  • Propose conceptual technical solutions and make changes based on the client's feedback in an Agile Environment
  • Collaborate with the development team to maintain, fix, and improve existing applications.
  • Develop program specifications and construct/modify code to meet business needs
  • Assist with architecting software solutions for complex high-volume data environments
  • Create testing strategies and procedures for all core components
  • Test and debug programs
  • Ensure technical deliverables to customers are complete, consistent, high quality, on time and deliver valued outcomes.
  • Collaborate closely with the Engineering team to ensure custom solutions and integrations align with the Convr platform roadmap
  • Work with offshore teams and partners to deliver seamless, high quality work product

Role Requirements:
  • Bachelor's degree in Computer Science or similar
  • Machine Learning/AI coursework/ Data Science coursework preferred
  • Professional experience working in an Agile environment
  • 8+ years of experience coding & implementing projects using Python and Java
  • 8+ years of Enterprise Application Experience
  • Experience building RESTful microservices and APIs
  • Experience working on a Platform oriented architecture and working with databases
  • Elastic/Snowflake/Cassandra/RDBMS/MariaDB/MySQL/NoSQL
  • Working knowledge of JIRA, Git, Gitlab, Jenkins. Kubernetes experience is a plus!

Benefits & Compensation
  • Remote work
  • Flexible Paid Time Off
  • Company Paid Holidays
  • Insurance Coverage (medical, dental, vision, short-term & long-term disability, life insurance, and accident coverage)
  • 401K
  • Paid Parental Leave

Why Join Convr? Joining our team means becoming a vital part of a high-growth, entrepreneurial mission to redefine the commercial insurance industry. We've traded corporate silos for radical transparency and a shared ownership mentality, ensuring that every voice is heard, and no one is just a number. We believe in the power of flexibility because we know life happens, and we empower our people with the autonomy to maintain a genuine work-life balance. As a team of experts striving for excellence, we will challenge you to develop your career and sharpen your craft alongside passionate colleagues who are committed to your success as they are to our collective impact.