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Freelance Junior Java Developer Jobs in Illinois

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 ...

Junior Algorithmic Trader

Chicago, IL · On-site

$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 ...

Integration Developer

Chicago, IL · On-site

$51.75 - $68.75/hr

Mentor junior developers and provide technical leadership. * Collaborate with customers, vendors ... JavaScript / Node.js * Java * Strong experience working with REST APIs, JSON, XML, and web services.

Principal, SW Quality Eng

Chicago, IL · On-site

$114K - $194K/yr

Azure Devops, Selenium with Java, DevOps concepts, CI- CD implementation Good to have : Exposure to ... Mentor junior SDETs to improve technical ability and effectiveness * Promote and support ...

Principal, SW Quality Eng

Chicago, IL · On-site

$114K - $194K/yr

Azure Devops, Selenium with Java, DevOps concepts, CI- CD implementation Good to have : Exposure to ... Mentor junior SDETs to improve technical ability and effectiveness * Promote and support ...

Junior Application Security Engineer

North Chicago, IL · On-site

$56.50 - $75.50/hr

Java, Node.js) * Experience integrating security testing into CICD pipelines * Knowledge of ... developer engagement and integrate with development workflows and tracking systems * Experience ...

Junior Application Security Engineer

North Chicago, IL · On-site

$56.50 - $75.50/hr

Java, Node.js) * Experience integrating security testing into CICD pipelines * Knowledge of ... developer engagement and integrate with development workflows and tracking systems * Experience ...

Principal, SW Quality Eng

Chicago, IL · On-site

$114K - $194K/yr

Azure Devops, Selenium with Java, DevOps concepts, CI- CD implementation Good to have : Exposure to ... Mentor junior SDETs to improve technical ability and effectiveness * Promote and support ...

SDET Consultant

Chicago, IL · On-site

$51.50 - $66.50/hr

... DevOps) * Strong expertise in Selenium/Appium automation frameworks * Proficiency in Java/Groovy ... Experience mentoring or coaching junior QA/SDET team members * Strong ability to analyze ...

Senior Applications Developer

Lemont, IL · On-site

$96K - $133K/yr

Build, enhance, and maintain custom enterprise solutions in Jira, Java-based applications, and ... Provide technical mentorship, guidance, and subject matter expertise to junior and mid-level ...

Senior Applications Developer

Lemont, IL

$96K - $133K/yr

Build, enhance, and maintain custom enterprise solutions in Jira, Java-based applications, and ... Provide technical mentorship, guidance, and subject matter expertise to junior and mid-level ...

Showing results 41-60

Freelance Junior Java Developer information

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

AspectFreelance Junior Java DeveloperJunior Java Developer
Work EnvironmentIndependent, remote or contract-based projectsFull-time employment in a company or organization
CredentialsTypically requires basic Java knowledge, some coding experienceOften requires a degree or certification in computer science or related field
Employer & Industry UsageClients across various industries, project-basedEmployers in tech, finance, or enterprise sectors
Work ScopeLimited to specific projects, flexible hoursPart of a team, involved in ongoing development tasks

In summary, a Freelance Junior Java Developer works independently on short-term projects, often remotely, with flexible hours and minimal formal employment ties. In contrast, a Junior Java Developer is typically employed full-time within a company, working as part of a team on continuous development tasks, often requiring formal education or certifications.

What are some common challenges freelance junior Java developers face when starting out, and how can they overcome them?

Freelance junior Java developers often face challenges such as finding consistent projects, adapting quickly to different client codebases, and managing their own schedules and client communications. Building a strong online portfolio and actively networking in developer communities can help attract more clients. Additionally, setting clear expectations with clients and continuously improving technical and soft skills are key to overcoming early hurdles and building a successful freelance career.

What are the key skills and qualifications needed to thrive as a freelance junior Java developer, and why are they important?

To thrive as a Freelance Junior Java Developer, you need a solid grasp of Java programming, basic software development principles, and a relevant degree or coursework in computer science. Familiarity with tools like Eclipse or IntelliJ IDEA, version control systems such as Git, and an understanding of basic frameworks like Spring Boot are typically required. Strong problem-solving abilities, effective time management, and clear communication make you stand out when collaborating remotely with clients. These skills and qualities are essential to deliver reliable code, meet project deadlines, and build lasting professional relationships as a freelancer.

What is a freelance junior Java developer?

A Freelance Junior Java Developer is an entry-level programmer who works independently on a contract basis, specializing in Java development. They typically handle coding, debugging, and basic software tasks for clients rather than being employed full-time by a single company. Freelance junior developers often work on smaller projects or assist senior developers, allowing them to gain experience and build their portfolios. This role requires a solid understanding of Java fundamentals and the ability to adapt to different project requirements.
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 Freelance Junior Java Developer jobs in Illinois? For Freelance Junior Java Developer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Freelance Junior Java Developer jobs in Illinois look for? The top searched job categories for Freelance Junior Java Developer jobs in Illinois are:

Junior Algorithmic Trader

TransMarket Group

Chicago, IL

$69K - $89K/yr

Full-time

Posted 7 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

Our Algorithmic Traders use their expert understanding of the financial markets and market microstructure to develop relative value arbitrage trading software and build and improve trading strategies. As a Junior Algorithmic Trader, you will have the opportunity to experience relative value arbitrage trading paired with innovative software. You will partner with 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 Senior Algorithmic Traders to assist and learn all facets of automated trading
  • Develop expertise in market microstructure, tick data, and automated trading systems
  • Learn and master object-oriented programming languages (C++ and Python)
  • Build and maintain trading quantitative model tools and analytics
  • Develop, code, maintain and support production quality automated trading softwares and strategies
  • Improve strategies and trade execution by performing post trade analyses and developing prediction models

Requirements

  • Pursuing a Bachelor's, Master's, or Doctorate in a technical field such as but not limited to STEM or Finance with a graduation date between December 2026 and Spring 2027 or 1-2 years pertinent industry experience
  • 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.