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Contract Java Developer Startup Jobs in Illinois

Stem Xpert

Java/Ember Developer

Bloomington, IL

$49 - $63.25/hr

Java/Ember Developer Position Type: Contract Location: Bloomington, IL, United States Description: Required: Strong skills with the Ember.js framework Knowledge of the Ember 2.0 Roadmap Deep ...

Varsity Tutors

Java Tutor

Chicago, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Skokie, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Dekalb, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Evanston, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Wheaton, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Oak Lawn, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Schaumburg, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Highland Park, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Des Plaines, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Naperville, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Buffalo Grove, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Normal, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

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All JobsContract Java Developer Startup JobsContract Java Developer Startup Jobs in Illinois

Contract Java Developer Startup information

What are some common challenges Contract Java Developers face when working at startups, and how can they prepare for them?

Contract Java Developers at startups often face fast-paced environments with shifting priorities and limited documentation. Adapting quickly to new codebases, collaborating with small, cross-functional teams, and managing ambiguity are frequent challenges. To prepare, developers should brush up on agile methodologies, familiarize themselves with popular Java frameworks, and be proactive in communicating with stakeholders. Demonstrating flexibility and strong problem-solving skills will help ensure a successful contract period.

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

To excel as a Contract Java Developer in a startup environment, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development lifecycles, usually supported by relevant experience or a computer science degree. Familiarity with frameworks like Spring Boot, version control systems (e.g., Git), build tools (e.g., Maven or Gradle), and cloud platforms is often required. Outstanding problem-solving ability, adaptability, and clear communication skills help you collaborate effectively and respond to rapidly changing project needs. These skills and qualities enable you to deliver robust, scalable solutions quickly and efficiently, which is critical in the fast-paced, resource-constrained startup setting.

What does a Contract Java Developer do at a startup?

A Contract Java Developer at a startup is responsible for designing, developing, and maintaining Java-based applications on a temporary basis, usually to help accelerate specific projects or fill short-term talent gaps. They often work on building scalable backend systems, integrating APIs, and ensuring the product can rapidly evolve as the startup grows. Their work may also involve troubleshooting, optimizing performance, and collaborating closely with other developers, designers, and product managers. Because startups are fast-paced environments, contract developers are expected to adapt quickly and deliver results within tight deadlines.

What is the difference between Contract Java Developer Startup vs Contract Java Developer Enterprise?

AspectContract Java Developer StartupContract Java Developer Enterprise
CredentialsJava certification, relevant experienceJava certification, relevant experience
Work EnvironmentFast-paced, innovative, small teamsStructured, larger teams, formal processes
Employer & IndustryStartups, tech, e-commerceLarge corporations, finance, healthcare
Search & Comparison IntentYesYes

The main difference between a Contract Java Developer Startup and a Contract Java Developer Enterprise lies in the work environment and company size. Startups typically offer a dynamic, fast-paced setting with smaller teams, while enterprises provide a more structured environment with larger teams and formal processes. Both roles require similar credentials and are sought after by companies in different industry sectors.

What are the most commonly searched types of Java Developer Startup jobs in Illinois? The most popular types of Java Developer Startup jobs in Illinois are:
What are popular job titles related to Contract Java Developer Startup jobs in Illinois? For Contract Java Developer Startup jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Contract Java Developer Startup jobs in Illinois look for? The top searched job categories for Contract Java Developer Startup jobs in Illinois are:
What cities in Illinois are hiring for Contract Java Developer Startup jobs? Cities in Illinois with the most Contract Java Developer Startup job openings:
Contract Java Developer Startup jobs near you
Blockchain Developer(Java Springboot)

Blockchain Developer(Java Springboot)

Judge Group, Inc.

Chicago, IL • On-site

$70 - $90/hr

Other

Re-posted 2 days ago

Job description

Location: Chicago, IL Salary: $70.00 USD Hourly - $90.00 USD Hourly Description:
Our client is currently seeking a Blockchain Developer(Java Springboot)
Key Responsibilities
  • Architect, develop, and deploy decentralized applications (dApps) with permissioned access at both smart contract and protocol levels
  • Design, build, and interact with smart contracts across major blockchain/DLT platforms
  • Develop blockchain oracles to integrate off-chain data with on-chain systems
  • Build and maintain integration libraries to connect blockchain systems with backend servers and APIs
  • Collaborate with cross-functional teams to gather requirements, define architecture, and estimate delivery timelines
  • Ensure system robustness, including scalability, resiliency, and fault tolerance
  • Provide technical mentorship and promote best practices within the engineering team
  • Develop and maintain comprehensive documentation for blockchain processes and workflows
  • Ensure compliance with data protection regulations, particularly in digital payments
  • Stay updated with the latest advancements in blockchain, cryptography, and cybersecurity

Required Qualifications
  • Bachelor's degree in Computer Science, Information Technology, or a related field
  • Proven experience as a Blockchain Developer or in a similar role
  • Strong hands-on experience with Java Spring Boot (mandatory)
  • Solid understanding of the software development lifecycle (SDLC)
  • Proficiency in one or more programming languages such as Solidity, Java, Node.js, Python, Go, or Rust
  • Strong knowledge of data structures and algorithms
  • Experience with cryptographic techniques and secure system design
  • Understanding of cybersecurity principles, standards, and common attack vectors
  • Ability to design scalable, high-performance systems
  • Strong problem-solving skills and ability to work independently or within a team

By providing your phone number, you consent to: (1) receive automated text messages and calls from the Judge Group, Inc. and its affiliates (collectively "Judge") to such phone number regarding job opportunities, your job application, and for other related purposes. Message & data rates apply and message frequency may vary. Consistent with Judge's Privacy Policy, information obtained from your consent will not be shared with third parties for marketing/promotional purposes. Reply STOP to opt out of receiving telephone calls and text messages from Judge and HELP for help.
Contact:
This job and many more are available through The Judge Group. Please apply with us today!

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