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Junior Developer Jobs in Romeoville, IL (NOW HIRING)

Ideanovatech

Junior Software Developer

Naperville, IL · On-site

$66K - $86K/yr

We are looking for a Software Developer with entry level experience in mobile or web development who is eager to master or improve their skills in modern client platforms. We are a pioneer in modern ...

New

Halo Group

Junior .Net Developer

Oak Brook, IL · On-site

$67K - $87K/yr

Minimum experience should include 1 - 2 years of programming including C#, .Net, Web Development and Microsoft SQL to help design, develop, test, install, document, modify, enhance and/or maintain ...

Deloitte

Jr. Palo Alto Engineer

Chicago, IL · On-site

Work You'll Do As a Security Engineer II on the Cyber Engineering team, you will be responsible for: * Assisting with the implementation, administration, and ongoing operation of Palo Alto Prisma ...

Adidev Technologies Inc

DevOps Engineer

Chicago, IL · On-site

$54.50 - $74.50/hr

Mentor junior engineers and contribute to architectural decisions. * Lead incident response and perform root cause analysis. Required Skills & Experience * 3-6 years of DevOps or SRE experience.

TransMarket Group

Junior Algorithmic Trader

Chicago, IL · On-site

$69K - $89K/yr

As a Junior Algorithmic Trader, you will have the opportunity to experience relative value ... Learn and master object-oriented programming languages (C++ and Python) * Build and maintain ...

Morgan Li LLC

Junior Estimator

Chicago Heights, IL · On-site

$50K - $60K/yr

The Junior Estimator is responsible for areas related to customer bid/quote requests and ... Bachelor's degree in Sciences, Engineering, or Arts is preferred with a minimum of three (3) years ...

Sterling Engineering Inc.

SR Design Engineer

Wheaton, IL · On-site +1

$135K - $160K/yr

Mentor junior engineers and contribute to engineering standards, best practices, and technical development. * Support continuous process improvements and technical excellence across the engineering ...

Morgan Li LLC

Junior Estimator

Chicago Heights, IL · On-site

$50K - $60K/yr

The Junior Estimator is responsible for areas related to customer bid/quote requests and ... Bachelor's degree in Sciences, Engineering, or Arts is preferred with a minimum of three (3) years ...

SG Cap Trading

Junior Trader

Chicago, IL · On-site

$69K - $89K/yr

Junior Trader ID: 1023 Location: Chicago More about this job > Description SG is a boutique technology company founded in 2004. We use AI, technology, and big data to solve real world financial ...

Morgan Li LLC

Junior Estimator

Chicago Heights, IL · On-site

$50K - $60K/yr

The Junior Estimator is responsible for areas related to customer bid/quote requests and ... Bachelor's degree in Sciences, Engineering, or Arts is preferred with a minimum of three (3) years ...

Edgehog Trading

Junior FPGA Developer

Chicago, IL · On-site

Our team spans trading, engineering, and business operations, working together to build and support the systems that power the firm. We emphasize data-driven decision making, rigorous problem solving ...

Eagle Seven

Junior FPGA Engineer

Chicago, IL · On-site

Eagle Seven is seeking a Junior FPGA Design / Verification Engineer to become an integral member of the engineering team dedicated to the development of HDL solutions for our high frequency, low ...

SDI Presence

Junior Network Engineer

Chicago, IL · Hybrid

$33 - $38/hr

Summary The Junior Network Engineer Junior is an entry level role focused on supporting the installation and maintenance of our client's network infrastructure. This position offers hands-on ...

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All JobsDeveloper JobsJunior Developer JobsJunior Developer Jobs in Romeoville, IL

Junior Developer information

See Romeoville, IL salary details

$24.5K

$90.7K

$140.2K

How much do junior developer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for junior developer in Romeoville, IL is $90,720.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,300.00 and $88,700.00 per year, depending on experience, location, and employer.

What is a junior developer?

A Junior Developer is an entry-level software professional who assists in creating, testing, and maintaining software applications. They typically work under the supervision of more experienced developers, learning best practices and acquiring new technical skills on the job. Junior Developers are expected to write code, fix bugs, and contribute to project documentation while gradually gaining experience in software development processes. This role is ideal for recent graduates or individuals transitioning into the tech industry.

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

To thrive as a Junior Developer, you need a solid understanding of programming fundamentals, basic knowledge of software development life cycles, and ideally a degree in computer science or a related field. Familiarity with coding languages like JavaScript, Python, or Java, as well as version control systems such as Git, is commonly expected. Strong problem-solving abilities, eagerness to learn, and effective communication help you integrate into teams and adapt to new challenges. These skills are crucial for producing quality code, collaborating with colleagues, and growing within the fast-paced tech environment.

What are some common challenges faced by junior developers during their first year, and how can they overcome them?

Junior Developers often face challenges such as adapting to new codebases, understanding company workflows, and bridging the gap between academic knowledge and real-world applications. It’s common to feel overwhelmed by unfamiliar technologies or debugging complex issues. Overcoming these challenges involves proactively seeking mentorship, participating in code reviews, and consistently asking questions to clarify concepts. Building strong communication skills and collaborating with more experienced team members can also accelerate the learning process and help you grow more confident in your role.

What is the difference between Junior Developer vs Software Engineer?

AspectJunior DeveloperSoftware Engineer
Required CredentialsTypically an associate degree or bootcamp certificationBachelor's degree in Computer Science or related field
Work EnvironmentEntry-level, supervised tasks, learning-focusedMore complex projects, often with team leadership responsibilities
Employer UsageCommon in startups, small companies, internshipsUsed across industries, larger companies, and tech firms
Search & Comparison IntentUnderstanding entry-level roles, career startClarifying career progression, skill requirements

In summary, Junior Developers are entry-level roles focused on learning and supporting development tasks, often requiring minimal experience. Software Engineers typically have more experience, advanced skills, and handle complex projects, making them a step up in the software development career path.

How to get a job as a junior developer?

To get a job as a junior developer, build a strong foundation in programming languages like JavaScript, Python, or Java, and create a portfolio of projects to demonstrate your skills. Gaining experience through internships, coding bootcamps, or online courses can improve your chances, and applying to entry-level positions through job boards or company websites is essential.

What are the most commonly searched types of Developer jobs in Romeoville, IL?

The most popular types of Developer jobs in Romeoville, IL are:

What are popular job titles related to Junior Developer jobs in Romeoville, IL?

For Junior Developer jobs in Romeoville, IL, the most frequently searched job titles are:

What cities near Romeoville, IL are hiring for Junior Developer jobs?

Cities near Romeoville, IL with the most Junior Developer job openings:

Junior Developer jobs near you
Infographic showing various Junior Developer job openings in Romeoville, IL as of August 2026, with employment types broken down into 78% Full Time, 6% Part Time, 15% Contract, and 1% Nights. Highlights an 77% Physical, 6% Hybrid, and 17% Remote job distribution, with an average salary of $90,720 per year, or $43.6 per hour.

Junior Quantitative Trader (Asian Market Hours)

Chicago, IL • On-site

Trading Interview
See more jobs at Trading Interviewexternal

$125K - $150K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 8 days ago

Key responsibilities

  • Monitor systems and manage all trading activity between Sunday - Thursday from 4:00 pm - 3:00 am CST.

  • Oversee and manage the trade execution and risk of complex trading portfolios across the firm.

  • Research potential trading opportunities.

Job description

Old Mission is a global proprietary trading firm that le avors state-of-the-art technology and research to identify an d execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, an D London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for impro vement.

Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our te am members and keep them engaged in the firm's growth.

About The Position

Old Mission Capital, a quantitative proprietary trading firm, is currently recruiting a Junior Quantitative Trader (Asian M\arse) to join our Chicago office. Our traders work in teams to seek out and profitably trade mispriced securities. The junior t trader needs to be driven and have a passion for understanding how things work. The job responsibilities will include discipline ed decision making, risk management, derivative pricing, an D researching new opportunities for profitable businesses.Passion\for trading is critical! Besides meeting the qualifications the most successful candidates will have a strong desire to und erstand how things work. You should have a deep interest i n the financial markets and want to join a collaborative team. We value each other's ideas and have the mindset to contin ually improve and build towards the future.

Responsibilities
  • Monitor systems and manage all trading activity between S unday - Thursday from 4:00 pm - 3:00 am CST.
  • Oversee and manage the trade execution and risk of co mplex trading portfolios across the firm.
  • Implement trading strategies that leverage technology * to efficiently execute trades at minimum transactional co sts.
  • Research potential trading opportunities.
Required Skills
  • A degree in a quantitative field such as computer sci ence, engineering, or one of the hard sciences.
  • Proficiency with at least one of the following langua ges: Python, C++, JAVA, VBA, R, Matlab or Ruby
  • 2+ years of relevant trading experience.
  • Experienced with automated trading systems.
  • Proven trustworthiness and performance under the highest ethical standards.
  • Great attention to detail.
  • Ability to solve problems in a high-pressure environ ment.
  • Superior written and verbal communication skills.
  • Must be self-motivated, dependable, responsible and results driven.
  • Maintain integrity at all times.
  • A desire to work Asian market hours. Work hours will i clude US holidays if the international markets are open.
  • A strong work ethic and ability to adapt quickly in a f ast-paced environment.
Benefits and Perks
  • Fully paid Medical, Dental, Vision, Disability, an D Life Insurance
  • Fully stocked kitchen; free breakfast and lunch eve ry day on-site
  • Tuition Reimbursement Program
  • 401(k) with employer match
  • Paid Vacation, Sick, and Parental leaves
  • Commuter and Flexible Spending Programs
Base Salary Range

$125,000 - $150,000 - Salaries are based on numerous fac tors such as skills, experience, and education. Our con pensation package also includes a discretionary bonus an D a comprehensive benefits program for full-time empl oyees. For more information, reach out to your recruiter.

Old Mission is not accepting unsolicited resumes from a ny staffing/search firms. All resumes submitted by staffin g/search firms to any employee at Old Mission via-email, the Internet or directly without a valid signed search a greement will be deemed the sole property of Old Mission, and no fee will be paid in the event the candidate is hire ed by Old Mission.

This description was published by Old Mission Capital. Applications are handled on their careers site: we are not the employer and cannot process them.

Old Mission Capital is a quantitative market-making firm founded in 2008. It prices "thousands of financial instruments globally" and has "traded trillions of dollars of securities u sing proprietary systems and…

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