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Junior Java Developer Intern Jobs in Illinois (NOW HIRING)

TransMarket Group

Algorithmic Trader Intern

Chicago, IL · On-site

$15.50 - $20.50/hr

You will work closely with Junior and Senior Traders to assist and learn all facets of automated ... Proficiency and experience in object-oriented programming languages, C++, Python and/or Java ...

TransMarket Group

Algorithmic Trader Intern

Chicago, IL · On-site

$15.50 - $20.50/hr

You will work closely with Junior and Senior Traders to assist and learn all facets of automated ... Proficiency and experience in object-oriented programming languages, C++, Python and/or Java ...

Sonsoft Inc

Sungard Clearvision

Chicago, IL · On-site

Company Description SonSoft Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. SonSoft Inc is growing at a steady pace specializing in the fields of ...

Primera

Intern

Chicago, IL · On-site

$15.50 - $20.50/hr

Structural Engineering Intern Transportation , Chicago, IL WHO WE ARE We're a people-first ... You're at least a Junior or more advanced in your curriculum, you're passionate about what you're ...

Jobtailor

Lead Java Software Engineer

Chicago, IL · On-site

$120 - $160/hr

Mentors junior developers. * Communicates with end users and internal customers to help direct ... Strong expertise in Java 17+ and backend development * Experience developing scalable software ...

TransMarket Group

Junior Algorithmic Trader

Chicago, IL

$69K - $89K/yr

As a Junior Algorithmic Trader, you will have the opportunity to experience relative value ... Proficiency and experience in object-oriented programming languages, C++, Python and/or Java ...

Danaher

Software Engineer Internships

Chicago, IL · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Peoria, IL · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Edwardsville, IL · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Aurora, IL · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

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All JobsJava Developer Intern JobsJunior Java Developer Intern JobsJunior Java Developer Intern Jobs in Illinois

Junior Java Developer Intern information

What is the difference between Junior Java Developer Intern vs Junior Java Developer?

AspectJunior Java Developer InternJunior Java Developer
Required CredentialsBasic understanding of Java, coursework, or related internship experienceProven Java skills, possibly some certifications or coursework completed
Work EnvironmentInternship programs, learning-focused, entry-level projectsFull-time role, more responsibility, involved in ongoing projects
Employer & Industry UsageInternship positions in tech companies, startups, or software firmsEntry-level full-time positions in similar industries
Search & Comparison IntentUnderstanding internship differences, entry-level opportunitiesCareer progression, job responsibilities, skill requirements

The main difference between a Junior Java Developer Intern and a Junior Java Developer lies in experience and responsibilities. Interns are typically students or recent graduates gaining practical experience, while Junior Developers are full-time employees with more responsibilities and ongoing projects. Internships serve as a stepping stone toward a full developer role, which requires more skills and commitment.

What does a Junior Java Developer Intern do?

A Junior Java Developer Intern assists in the development, testing, and maintenance of Java-based applications under the supervision of senior developers. Their responsibilities typically include writing simple code, debugging software, participating in team meetings, and learning best practices in software development. The intern gains hands-on experience with Java technologies, tools, and frameworks while contributing to real-world projects. This role is designed to help interns build foundational programming skills and understand the software development lifecycle.

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

To thrive as a Junior Java Developer Intern, you need a solid understanding of Java programming, basic knowledge of object-oriented design, and a relevant degree or coursework in computer science or software engineering. Familiarity with IDEs like Eclipse or IntelliJ IDEA, version control systems such as Git, and introductory experience with build tools like Maven is typical. Strong problem-solving, eagerness to learn, and effective communication skills help interns collaborate and adapt in a team environment. These skills and qualities are important because they enable rapid learning, effective contribution to projects, and smooth integration into development teams.

What types of projects and tasks can I expect to work on as a Junior Java Developer Intern?

As a Junior Java Developer Intern, you can expect to assist in developing, testing, and debugging Java applications under the guidance of senior team members. Your daily tasks may include writing code, fixing bugs, participating in code reviews, and collaborating with other developers and departments such as QA or DevOps. Interns often get exposure to real-world projects that contribute to the organization's products or services, providing valuable experience with tools like version control systems and agile methodologies. This hands-on involvement is designed to help you build both technical and teamwork skills in a professional setting.
What are the most commonly searched types of Junior Java Developer jobs in Illinois? The most popular types of Junior Java Developer jobs in Illinois are:
What are popular job titles related to Junior Java Developer Intern jobs in Illinois? For Junior Java Developer Intern jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Junior Java Developer Intern jobs in Illinois look for? The top searched job categories for Junior Java Developer Intern jobs in Illinois are:
What cities in Illinois are hiring for Junior Java Developer Intern jobs? Cities in Illinois with the most Junior Java Developer Intern job openings:
Junior Java Developer Intern jobs near you
Infographic showing various Junior Java Developer Intern job openings in Illinois as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Algorithmic Trader Intern

TransMarket Group

Chicago, IL • On-site

$15.50 - $20.50/hr

Full-time, Internship

Posted 8 days ago

Job description

Who We Are
Founded in 1980 as Aardvark Financial, TransMarket Group (TMG) is a privately held global markets proprietary trading firm in Chicago. We use next-generation technology to capture opportunities around the world and manage risk in financial markets. Our mission is to bless others through the services we provide and through the generous stewardship of the wealth we create.
TMG is a well-established and profitable business as a respected member of the global financial system for over 40 years, but also is like a startup because the potential of our group is at least one order of magnitude greater than what we are currently producing. We have an entrepreneurial culture and collaboratively develop our business with patience and discipline; we work hard, learn constantly, and relentlessly improve our expertise.
Description
As an Algorithmic Trader Intern, you will have the opportunity to learn and experience relative value arbitrage trading paired with innovative software. You will work closely with Junior and Senior Traders to assist and learn all facets of automated trading. From researching and analyzing high-frequency tick data and trading performance, to building mathematical models and performing time series analysis, you will experience a deep dive into real-time trading and gain exposure to build your expertise. The ideal candidate is intellectually curious, technically analytical, and has the desire to learn and apply programming skills in a fast-paced environment (Python, C++).
Responsibilities
  • Work with Junior and Senior Algorithmic Traders to assist and learn all facets of automated trading
  • Develop expertise in market microstructure, tick data, and automated trading systems
  • Build and maintain trading quantitative model tools and analytics
  • Learn and master programming languages
  • Develop, code, maintain and support production-quality automated trading strategies
  • Engage in dynamic research projects and formalized internship educational program

Requirements
  • Pursuing a Bachelor's, Master's, or Doctorate in a technical field or pertinent industry experience such as but not limited to STEM or Finance with a graduation date between December 2027 and Spring 2028
  • Required courses: Data structures, Probability, Statistics and Linear Algebra
  • Minimum major GPA of 3.5/4 or equivalent scale
  • Proficiency and experience in object-oriented programming languages, C++, Python and/or Java preferred
  • Proficiency and experience in Linux scripting are a plus
  • Demonstrated passion for markets, finance, and trading such as, but not limited to personal trading, participation in trading competitions, attendance at firm discover days, industry related student groups or clubs and/or prior internship experience preferred
  • Project or internship experience in data analysis, quantitative modeling and/or machine learning
  • Passion for math and software applied to markets and trading
  • Strong understanding of computing, math, probability, statistics, and finance
  • Strong work ethic and willingness to do what it takes to get the job done
  • Excellent verbal and written communication skills
  • Ability to work within a team in a fast-paced environment
  • This position requires physical presence and is onsite at our office in Chicago, IL

View our resources to prepare for the interview process.
Benefits
We offer one of the most generous profit sharing programs in the industry because we believe our employees should be able to take part in our rapid growth and success. We are proud to offer more world-class benefits for our full-time employees and their families.
TransMarket Group is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, gender, sexual orientation, gender identity or expression, religion, national origin, marital status, age, disability, veteran status, genetic information, or any other protected status.

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