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Junior Mid Software Developer Jobs in Naperville, IL

TransMarket Group

Junior Algorithmic Trader

Chicago, IL · On-site

$69K - $89K/yr

... software and build and improve trading strategies. As a Junior Algorithmic Trader, you will have ... Learn and master object-oriented programming languages (C++ and Python) * Build and maintain ...

TransMarket Group

Junior Algorithmic Trader

Chicago, IL

$69K - $89K/yr

... software and build and improve trading strategies. As a Junior Algorithmic Trader, you will have ... Learn and master object-oriented programming languages (C++ and Python) * Build and maintain ...

Balyasny Asset Management

Junior C++ Developer

Chicago, IL · On-site

$69K - $89K/yr

We are seeking aspiring C++ engineers to join our Systematic technology team, focused on building ... Strong foundation in algorithms, data structures, distributed systems, and software design.

galaxyitechnologies

Javascript Developer

Chicago, IL · On-site

... junior developer * This role will involve mentoring a jr developer * App gives Hyatt Guests the ... The software developer will also analyze and amend software errors in a timely and accurate fashion ...

The Hartford

Staff Software Engineer

Chicago, IL · Hybrid

Mentor junior and mid-level engineers, providing technical guidance, code reviews, and fostering a culture of continuous learning and improvement. * Drive best practices in software development ...

galaxyitechnologies

Javascript Developer

Chicago, IL · On-site

... junior developer * This role will involve mentoring a jr developer * App gives Hyatt Guests the ... The software developer will also analyze and amend software errors in a timely and accurate fashion ...

Ritchie Bros.

Senior Software Engineer

Westchester, IL

$121K - $160K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Senior Software Engineer designs and delivers complex features and services, mentors junior engineers, and contributes to architectural decisions. This role emphasizes technical ownership ...

blueStone

Ruby Developer

Chicago, IL · On-site

Looking for an mid level software developer to work on our Backend platform. If you are interested in working in a startup environment and you're passionate about web development, then you'll fit ...

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Junior Mid Software Developer information

See Naperville, IL salary details

$24K

$88.8K

$137.3K

How much do junior mid software developer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for junior mid software developer in Naperville, IL is $88,843.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,900.00 and $86,900.00 per year, depending on experience, location, and employer.

What is a junior mid software developer?

A Junior Mid Software Developer is an early-career professional responsible for designing, coding, testing, and maintaining software applications under the guidance of senior developers. This role typically requires some prior experience or education in programming and software development, bridging the gap between entry-level (junior) and more experienced (mid-level) positions. Junior Mid Software Developers work collaboratively within a team, contribute to project tasks, and continuously learn new technologies and best practices to advance their skills. They may be involved in debugging, documentation, and implementing new features based on project requirements.

What are the key skills and qualifications needed to thrive as a junior mid software developer?

To thrive as a Junior/Mid Software Developer, you need proficiency in programming languages (such as JavaScript, Python, or Java), understanding of software development principles, and usually a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, basic database management, and common frameworks or development environments is typically expected. Strong problem-solving skills, teamwork, and effective communication help you collaborate with colleagues and adapt to changing project requirements. These skills and qualities are essential for writing reliable code, maintaining project momentum, and contributing positively to development teams.

How does a junior mid software developer typically collaborate with senior developers and other team members?

As a Junior Mid Software Developer, you will often work closely with senior developers, participating in code reviews, pair programming sessions, and regular team stand-ups. You’ll have opportunities to ask questions, receive feedback on your code, and contribute to team discussions about technical solutions. Collaboration also extends to cross-functional teams, such as QA testers, UX/UI designers, and product managers, ensuring that software solutions meet both technical and business requirements. This supportive environment helps you build your skills and gradually take on more complex responsibilities.

What is the difference between Junior Mid Software Developer vs Software Engineer?

AspectJunior Mid Software DeveloperSoftware Engineer
Experience LevelEntry to mid-level, typically 1-3 yearsMid to senior level, often 3+ years
ResponsibilitiesWriting code, fixing bugs, assisting in developmentDesigning systems, architecture, leading projects
Skills & CertificationsBasic programming skills, common certifications (e.g., Java, Python)Advanced coding, system design, certifications often preferred
Work EnvironmentTeam collaboration, supervised tasksLeadership roles, complex problem-solving

While Junior Mid Software Developers focus on coding and assisting in projects, Software Engineers typically handle system design and architecture, often with more experience and responsibility. The roles overlap in skills and industry usage, but differ mainly in experience level and scope of work.

What are popular job titles related to Junior Mid Software Developer jobs in Naperville, IL?

For Junior Mid Software Developer jobs in Naperville, IL, the most frequently searched job titles are:

What job categories do people searching Junior Mid Software Developer jobs in Naperville, IL look for?

The top searched job categories for Junior Mid Software Developer jobs in Naperville, IL are:

What cities near Naperville, IL are hiring for Junior Mid Software Developer jobs?

Cities near Naperville, IL with the most Junior Mid Software Developer job openings:

Junior Mid Software Developer jobs near you
Infographic showing various Junior Mid Software Developer job openings in Naperville, IL as of August 2026, with employment types broken down into 11% Internship, and 89% Full Time. Highlights an 100% In-person job distribution, with an average salary of $88,843 per year, or $42.7 per hour.

Software Engineer - Commerce & Integrations

International Motors, LLC

Lisle, IL • On-site

$137K - $206K/yr

Full-time

Re-posted 21 days ago

International Motors rating

7.6

Company rating: 7.6 out of 10

Based on 23 frontline employees who took The Breakroom Quiz

249th of 490 rated machine equipment manufacturers

Job description

Position Overview
We're looking for a Senior Software Engineer to join our Commerce & Integrations team - a backend engineer who loves building the systems that make complex B2B transactions work reliably at scale. You'll own the integration layer between our eCommerce platform and a network of Dealer Management Systems (DMS), write clean API contracts, and help shape how our backend evolves.
This is a hands-on individual contributor role. About 70% of your time is writing, testing, and shipping production backend code. The remaining 30% is spent collaborating with the team - code reviews, mentoring junior engineers, and working with the Product Owner and Platform Architect to align on direction.
Responsibilities
WHAT YOU'LL BUILD
Backend Code & API Development
  • Write, test, and ship production backend code every sprint - REST API endpoints, business logic, and integration components.
  • Design and implement order workflow logic (state machines) that automates order-to-cash flows, returns processing, and core-charge handling.
  • Own backend user stories end-to-end: design, implementation, unit and integration tests, PR review, and deployment.
  • Diagnose and resolve backend performance issues, API latency spikes, and data consistency problems.

Integrations & Data Orchestration
  • Build and maintain integrations between our commerce platform and Dealer Management Systems (CDK, Procede, SAP, Karmak) - API adapters, data mappers, and retry/failure handling.
  • Implement product data ingestion pipelines from PIM and fitment data sources into the commerce platform, including validation and indexing logic.
  • Implement distributed transaction patterns (e.g., Saga) to keep data consistent across commerce, DMS, and Azure integration layers.
  • Identify and resolve data mismatches between commerce and ERP systems, with clear audit trails.

Infrastructure & Delivery
  • Contribute to CI/CD pipelines (Azure Pipelines or equivalent) - automated testing, environment promotion, and deployment reliability.
  • Work with Docker-based local environments and Kubernetes/AKS deployment configs for backend services.
  • Design and optimize database schemas for B2B commerce data - tiered pricing, account hierarchies, core charge ledgers, and order state history.
  • Instrument backend services with logging, tracing, and alerting so issues surface before they reach customers.

Collaboration & Code Quality
  • Review pull requests with a focus on correctness, performance, and maintainability - not just style.
  • Mentor 1-2 junior or mid-level engineers through pair programming and code walkthroughs.
  • Partner with the Platform Architect to ensure API contracts and DMS integration interfaces are versioned and future-proof.
  • Use AI-assisted coding tools (Copilot, Claude Code, or similar) to move faster on boilerplate, test generation, and data mapping.

Minimum Requirements
  • Bachelor's degree and at least 5 years of software engineer experience
  • At least 1 years of lead experience

OR
  • Master's degree and at least 3 years of software engineer experience
  • At least 1 years of lead experience

OR
  • At least 8 years of software engineer experience
  • At least 1 years of lead experience

Additional Requirements
  • Qualified candidates, excluding current employees, must be legally authorized on an unrestricted basis (US Citizen, Legal Permanent Resident, Refugee or Asylee) to be employed in the United States. We do not anticipate providing employment related work sponsorship for this position (e.g., H-1B status)
  • 5+ years of backend software engineering with production PHP experience
  • Strong REST API design and implementation - you've built integrations between systems, not just consumed them
  • Comfort working with relational databases (MySQL or PostgreSQL) - schema design, query optimization, and migrations
  • Experience with integration patterns: adapters, data mapping, retry logic, and failure handling across distributed systems
  • Familiarity with CI/CD pipelines and Docker-based development environments
  • Clear written and verbal communication - able to explain backend trade-offs to product and business stakeholders

Desired Skills
  • Experience with Spryker Cloud Commerce OS - modules, Zed business logic, Glue API, or State Machines
  • Background in eCommerce platform development (Magento, Shopware, BigCommerce, or similar)
  • Knowledge of B2B commerce logic: tiered pricing, credit limits, core charge workflows, or order management systems
  • Hands-on experience with DMS/ERP platforms such as CDK, Procede, Karmak, or SAP
  • Experience with EDI or Punchout (cXML/OCI) B2B integration standards
  • Kubernetes/AKS deployment experience and cloud infrastructure (Azure preferred)

Benefits and Compensation
This position offers competitive market-based compensation, along with a comprehensive benefits package designed to support employee wellbeing. You can learn more about the benefits offered for this position by visiting https://careers.international.com/#benefits.
The expected salary offered for this position will fall within the stated range, with the final offer based on the candidates' applicable skills, knowledge, and experience.
Company Overview
About TRATON
With its brands Scania, MAN, International, and Volkswagen Truck & Bus, TRATON SE is the parent and holding company of the TRATON GROUP and one of the world's leading commercial vehicle manufacturers. The Group's product portfolio comprises trucks, buses, and light-duty commercial vehicles. "Transforming Transportation Together. For a sustainable world.": this intention underlines the Company's ambition to have a lasting and sustainable impact on the commercial vehicle business and on the Group's commercial growth.
About International
From a one-man company built on the world-changing invention of the McCormick reaper in 1831, to the 15,000-person-strong company we are today, few companies can lay claim to a history like International. Based in Lisle, Illinois, International Motors, LLC* creates solutions that deliver greater uptime and productivity to our customers throughout the full operation of our commercial vehicles. We build International® trucks and engines and IC Bus® school and commercial buses that are as tough and as smart as the people who drive them. We also develop Fleetrite® aftermarket parts. In everything we do, our vision is to accelerate the impact of sustainable mobility to create the cleaner, safer world we all deserve. As of 2021, we joined Scania, MAN and Volkswagen Truck & Bus in TRATON GROUP, a global champion of the truck and transport services industry. To learn more, visit International.com.
*International Motors, LLC is d/b/a International Motors USA in Illinois, Missouri, New Jersey, Ohio, Texas, and Utah.
EEO Statement
We are an Equal Opportunity Employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics.
If you are a qualified individual with a disability and require a reasonable accommodation to access the online application system or participate in the interview process due to your disability, please email HUB@International.com to request assistance. Kindly specify Job Requisition Number / Job Title and Location in response. Otherwise, your request may not be considered.
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