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Java Startup Jobs in Illinois (NOW HIRING)

Senior Software Engineer

Chicago, IL · On-site

$91K - $163K/yr

Optimize cost and efficiency: right-size resources, reduce image size/startup time, and monitor cloud/container spend * Build internal tooling/CLIs & automation (Java/Node/Python/Bash/Go) for dev ...

Senior Software Engineer

Chicago, IL · Remote

$91K - $163K/yr

Optimize cost and efficiency: right-size resources, reduce image size/startup time, and monitor cloud/container spend * Build internal tooling/CLIs & automation (Java/Node/Python/Bash/Go) for dev ...

Java/Python/Go, React, Postgres, AWS, Kubernetes. Nice to have: * Experience with backend ... Career game changer - A truly unique experience to work for a fast-growing startup in a role with ...

... Java or Ruby (if no experience with Python.) Must be willing to learn Python, if no experience. * Healthcare, pharmacy, or other regulated-industry experience * Experience at a startup that scaled ...

Senior Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

It's the scope and ownership of an AI startup, backed by the infrastructure of a $124M business ... Experience designing and building scalable Java-based microservices * Experience designing and ...

Senior Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

It's the scope and ownership of an AI startup, backed by the infrastructure of a $124M business ... Experience designing and building scalable Java-based microservices * Experience designing and ...

Senior Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

It's the scope and ownership of an AI startup, backed by the infrastructure of a $124M business ... Experience designing and building scalable Java-based microservices * Experience designing and ...

Senior Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

It's the scope and ownership of an AI startup, backed by the infrastructure of a $124M business ... Experience designing and building scalable Java-based microservices * Experience designing and ...

Senior Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

It's the scope and ownership of an AI startup, backed by the infrastructure of a $124M business ... Experience designing and building scalable Java-based microservices * Experience designing and ...

Senior Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

It's the scope and ownership of an AI startup, backed by the infrastructure of a $124M business ... Experience designing and building scalable Java-based microservices * Experience designing and ...

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Showing results 1-20

Java Startup information

See Illinois salary details

$15

$54

$75

How much do java startup jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for java startup in Illinois is $54.94, according to ZipRecruiter salary data. Most workers in this role earn between $47.50 and $61.49 per hour, depending on experience, location, and employer.

What is the difference between Java Startup vs Java Developer?

AspectJava StartupJava Developer
Required CredentialsBachelor's in Computer Science or related field, Java certification often preferredBachelor's in Computer Science or related field, Java certification often preferred
Work EnvironmentFast-paced, innovative startups with dynamic rolesEstablished companies or startups, focused on software development
Employer & Industry UsageStartups in tech, finance, or e-commerce sectorsTech firms, software companies, and IT departments
Common Search & ComparisonOften searched by those interested in startup culture and rolesMore general, focused on software development careers

Java Startup roles typically involve working in dynamic, fast-growing environments with a focus on building new applications, often requiring a broad skill set. Java Developers may work in more structured settings, focusing on maintaining and improving existing systems. Both roles require similar technical credentials but differ mainly in work environment and project scope.

What are some common challenges faced by Java developers in a startup environment, and how can they be addressed?

Java developers in a startup environment often face challenges such as rapidly changing project requirements, limited resources, and the need to wear multiple hats. Adapting to fast-paced development cycles and collaborating closely with cross-functional teams is crucial. Successful candidates can address these challenges by maintaining flexibility, proactively communicating with team members, and leveraging open-source libraries and tools to streamline development. Embracing agile methodologies and prioritizing clear documentation can also help ensure that projects stay on track despite shifting priorities.

What is a Java Startup?

A Java Startup is a newly established company or business venture that primarily uses the Java programming language to develop its core products or services. These startups often focus on building web applications, enterprise solutions, mobile apps, or cloud-based technologies using the Java ecosystem. Java Startups benefit from Java's scalability, security, and large developer community, which helps them rapidly prototype and scale their solutions. Such companies are often innovative and operate in fast-paced, technology-driven markets.

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

To thrive as a Java Startup Developer, you need strong proficiency in Java programming, software design principles, and a relevant degree or experience in computer science. Familiarity with development tools like IntelliJ IDEA, build systems (Maven/Gradle), cloud platforms, and frameworks such as Spring Boot is typically required. Initiative, problem-solving abilities, and effective teamwork are crucial soft skills in a fast-paced startup environment. These skills and qualities are essential because they enable rapid product development, seamless collaboration, and the ability to adapt to evolving business needs.
Infographic showing various Java Startup job openings in Illinois as of July 2026, with employment types broken down into 1% Internship, 90% Full Time, 3% Part Time, and 6% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $114,278 per year, or $54.9 per hour.
Senior Software Engineer

Senior Software Engineer

UnitedHealth Group

Chicago, IL • On-site

$91K - $163K/yr

Full-time

Retirement

Re-posted 5 days ago


UnitedHealth Group rating

7.6

Company rating: 7.6 out of 10

Based on 145 frontline employees who took The Breakroom Quiz

191st of 884 rated healthcare providers


Job description

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best.Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale.Join us to start Caring. Connecting. Growing together.
You will enjoy the flexibility to telecommute* from anywhere within the U.S. as you take on some tough challenges.
Primary Responsibilities:
  • Design and deliver end-to-end features using Java (Spring Boot) microservices and Angular web apps
  • Write clean, testable code with JUnit/Testcontainers, Jasmine/Jest, and Cypress/Playwright for E2E
  • Build and maintain REST/GraphQL APIs, data access (JPA/Hibernate), caching (e.g., Redis), and secure auth (OAuth2/OIDC, JWT)
  • Author and optimize Dockerfiles (multi-stage builds, minimal bases, SBOMs/signing); manage image lifecycle in registries
  • Own CI/CD pipelines (GitHub Actions/Azure DevOps/Jenkins/GitLab CI) with tests, scans, artifact versioning, and automated rollbacks
  • Provision and manage environments via Infrastructure as Code (Terraform/Bicep/CloudFormation) and configuration-as-code
  • Embed shift-left security: SAST/DAST, dependency & container image scanning, secrets management, OWASP top-10 safeguards
  • Optimize cost and efficiency: right-size resources, reduce image size/startup time, and monitor cloud/container spend
  • Build internal tooling/CLIs & automation (Java/Node/Python/Bash/Go) for dev workflows, releases, and compliance checks
  • Automate database migrations (Liquibase/Flyway), schema/versioning, and test data management
  • Collaborate with Product, Design, QA, Security; perform code reviews, mentor engineers, and maintain clear docs/runbooks
  • (Valuable) Use AI-assisted coding/testing and log-analysis tools to speed delivery and accelerate root-cause analysis responsibly

You'll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in.
Required Qualifications:
  • Bachelor's degree in Software Engineering, Computer Science, or equivalent experience
  • 6+ years of software engineering experience
  • 5+ years of experience in developing applications using Java (Spring Boot) and Angular
  • 4+ years of experience in front-end development with Angular (components, RxJS, routing, forms, state management, testing with Jasmine/Jest)
  • 4+ years of experience working with relational databases (PostgreSQL, MySQL, SQL Server) and ORMs (JPA/Hibernate); exposure to NoSQL technologies (Redis, MongoDB)
  • 4+ years of hands-on experience with Docker and containerization, including image optimization and registry workflows
  • 4+ years of experience building and maintaining CI/CD pipelines (GitHub Actions, Azure DevOps, Jenkins, or GitLab CI) with integrated testing and security scanning
  • 4+ years of experience using Infrastructure as Code and configuration-as-code tools (Terraform, Bicep, CloudFormation, Helm, Kustomize)
  • 4+ years of experience delivering automated testing across units, integration, and end-to-end frameworks (e.g., JUnit, Testcontainers, Cypress, Playwright)
  • 4+ years of experience in implementing observability practices (metrics, logging, tracing using tools such as Prometheus, ELK/EFK, OpenTelemetry)
  • 3+ years of experience with Linux, networking fundamentals, HTTP, and distributed systems
  • 2+ years of strong experience in Java (collections, concurrency, JVM fundamentals) and Spring Boot (REST, Security, Data/JPA, Actuator
  • 1+ year of experience in AI-assisted engineering tools and responsible usage practices

Soft Skills :
  • Excellent communication and collaboration with Product, Design, QA, and Security
  • Problem-solving mindset with bias to automate and simplify; strong debugging skills across stack
  • Mentorship and code review experience; advocates for best practices and high code quality
  • Comfortable in agile environments, managing priorities, and owning outcomes

*All Telecommuters will be required to adhere to UnitedHealth Group's Telecommuter Policy.
Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements). No matter where or when you begin a career with us, you'll find a far-reaching choice of benefits and incentives. The salary for this role will range from $91,700 to $163,700 annually based on full-time employment. We comply with all minimum wage laws as applicable.
Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
Application Deadline: This will be posted for a minimum of 2 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants.
At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location, and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups, and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.
UnitedHealth Group is an Equal Employment Opportunity employer under applicable law and qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations.
UnitedHealth Group is a drug - free workplace. Candidates are required to pass a drug test before beginning employment.
#RPO #GREEN

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