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Junior Developer Jobs in DeKalb, IL (NOW HIRING)

CEI Services

Junior Estimator

Rockford, IL · On-site

Overview William Charles Construction, a MasTec Company, is hiring for a Junior Estimator with with ... Join one of the largest construction firms in the country (Engineering News-Record [ENR]: #1 in ...

CEI Services

Junior Estimator

Rockford, IL · On-site

Overview William Charles Construction, a MasTec Company, is hiring for a Junior Estimator with with ... Join one of the largest construction firms in the country (Engineering News-Record [ENR]: #1 in ...

CEI Services

Junior Estimator

Rockford, IL · On-site

William Charles Construction, a MasTec Company, is hiring for a Junior Estimator with with the ... Join one of the largest construction firms in the country (Engineering News-Record [ENR]: #1 in ...

Fermilab

Jr. ASIC Design Engineer

Batavia, IL · On-site

$70K - $93K/yr

We are looking for a Junior ASIC Design Engineer to lead and contribute to research activities and engineering work focused on developing custom instrumentation for extreme radiation and/or cryogenic ...

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Junior Developer information

See DeKalb, IL salary details

$23.6K

$87.3K

$135K

How much do junior developer jobs pay per year?

As of Aug 28, 2026, the average yearly pay for junior developer in DeKalb, IL is $87,329.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,800.00 and $85,400.00 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 DeKalb, IL?

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

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

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

What job categories do people searching Junior Developer jobs in DeKalb, IL look for?

The top searched job categories for Junior Developer jobs in DeKalb, IL are:

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

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

Junior Developer jobs near you
Infographic showing various Junior Developer job openings in DeKalb, IL as of August 2026, with employment types broken down into 79% Full Time, 7% Part Time, 1% Temporary, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $87,329 per year, or $42 per hour.

Senior Salesforce Developer

Aurora, IL • On-site

Oloop Technology Solutions
Health and Personal Care Stores • 51 - 200 employees
Learn more about Oloop Technology Solutionsexternal

$125K - $153K/yr

Other

Posted yesterday

New

Job description

Role: Senior Salesforce Developer
Duration: 4 Months Contract
Location: Remote
Required Qualifications & Technical Skills:
Experience: Senior level experience (able to lead, review code/config, mentor junior developers, and demo directly to clients)
Primary Skill: Service Cloud (Advanced)
Core Skills:
Solution design / architecture:
Can translate a business requirement into a data model and automation approach, not just take a spec and code it - comfortable weighing object relationships (lookup vs. master-detail), sharing/security model, and automation choice (declarative vs. Apex) before building
Designs for reuse and governor limits - bulkified triggers/Apex, scalable Flow design, avoiding hardcoded assumptions that break at scale
Can identify cascading impacts of a change (permissions, page layouts, related automation) rather than building narrowly to the ticket
Core development:
Advanced declarative AND custom code experience - this is a hybrid role, not one or the other. Needs someone who defaults to declarative (Flow, standard objects, config) where it fits, but can go deep into custom code (Apex, LWC) when it doesn't. A pure clicks-only admin or a code-only dev who ignores declarative options are both mismatches.
Apex: triggers/trigger frameworks, service/repository-style class design
Familiarity with common Apex frameworks (e.g. trigger frameworks, dependency-injection/mocking patterns) and solid unit testing strategy - not just hitting code coverage, but meaningful assertions and test isolation
Lightning Web Components: JS/HTML/CSS component development, Jest unit testing
Advanced debugging:
Can root-cause across the stack, not just patch symptoms - Apex debug logs and stack traces, governor-limit failures (SOQL/DML/CPU limits), and async job failures (Queueable/Batch/Future) under real production data volumes
Browser DevTools for LWC issues; comfortable debugging Flow execution (Flow debugger, fault paths, element-level trace)
Knows how to reproduce an intermittent or data-dependent bug rather than guessing - isolates whether an issue is code, config, data, or a permissions/sharing problem before touching anything
Integration:
REST callouts, Named Credentials / External Credentials, third-party API auth patterns, Apex integration framework experience
Service Cloud specialization
Omni-Channel/CTI experience
DevOps / CI-CD
Salesforce DX (source-driven development, scratch orgs), Git/GitHub workflows
CI/CD pipeline experience - GitHub Actions or similar, including automated test gating and multi-stage promotion (dev test prod)
AI-assisted development:
Comfortable using AI coding tools (e.g. Claude Code, Copilot, Cursor) at an advanced level to increase productivity - not just autocomplete, but prompting/directing an agent through multi-step build and review work
Able to critically evaluate AI-generated code/config rather than accepting it uncritically - still owns correctness and platform best practices
Leadership / mentorship:
Genuinely "senior" - able to review others' code/config, give constructive feedback, and raise the team's bar, not just produce individual output
Comfortable pairing with or unblocking junior developers, explaining the "why" behind an architectural choice, not just the "how"
Client-facing / communication:
Comfortable demoing work directly to the client - can walk through a build and take questions live
Strong written and verbal communication with stakeholders - calls, email threads, status updates - not someone who needs a proxy to talk to the client
Nice-to-haves:
Experience Cloud - site build experience, ideally LWR (Lightning Web Runtime), not just Aura-based sites
Flosum experience desirable but not necessary
Security/compliance-adjacent: familiarity with FedRAMP/GovCloud-style isolated environments, security clearance eligibility, Salesforce Shield / Field-Level Encryption exposure
Oloop Tech logo

About Oloop Tech

Sourced by ZipRecruiter

Oloop Tech is a premier technology solutions company with a prominent presence in the dynamic and rapidly evolving IT landscape of Aurora, IL, US. The caliber of service Oloop Tech brings to the industry is founded on a sound history of technological innovation and service excellence since its inception. Although the exact date of the company's founding isn't mentioned, it's evident they have established a strong foothold in the IT industry, with clients counting on them for cutting-edge solutions and robust operational support.

Industry

Health and personal care stores

Company size

51 - 200 Employees

Headquarters location

Aurora, IL, US

Year founded

2011

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