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Senior Software Engineer Jobs in Romeoville, IL (NOW HIRING)

Ritchie Bros.

Senior Software Engineer

Westchester, IL

$121K - $160K/yr

The Senior Software Engineer designs and delivers features and services using Microsoft technologies, work with software engineers and product team, and contributes to architectural decisions. This ...

Inspira Financial

Sr. Software Engineer (Remote)

Oak Brook, IL · On-site +1

$123K - $163K/yr

We are seeking talented Senior Software Engineers who can create complex .NET back-end solutions and scalable user experiences while collaborating with an experienced team of product development ...

MedSpeed

Senior Software Engineer

Elmhurst, IL · On-site

$125K - $145K/yr

Senior Software Engineer Hybrid: In Office Every Thursday in Elmhurst, IL Required Join MedSpeed and help deliver health! We're a healthcare logistics company partnering with organizations nationwide ...

Benelynk

Sr. Software Engineer

Chicago, IL · Remote

$150K - $175K/yr

SENIOR SOFTWARE ENGINEER POSITION SUMMARY We are seeking a Sr. Software Engineer and or Jr. Platform Architect to serve as technical lead responsible for day-to-day development, design, build, and ...

Caterpillar

Senior Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

Caterpillar Inc. seeks Senior Software Engineer at its facility located at 540 W Madison St., Chicago, IL 60661. Manage Salesforce Marketing Cloud (SFMC) platform to drive effective digital marketing ...

Hiscox

Senior Software Engineer

Chicago, IL · Hybrid

$126K - $166K/yr

Senior Software Engineer - OutSystems and Integrations Location: Atlanta, Boston, Chicago, NYC Manhattan, West Hartford CT Hiscox is searching for a passionate and highly skilled Senior Software ...

Caterpillar

Senior Software Engineer

Chicago, IL · On-site

$112K - $183K/yr

Caterpillar Inc. seeks Senior Software Engineer at its facility located at 540 W Madison St, Chicago, IL 60661. Design, modify, develop, write, and implement software programming applications for ...

SES

Senior Software Engineer

Chicago, IL

$126K - $166K/yr

Senior Software Engineer ROLE DESCRIPTION SUMMARY SES Inflight has an exciting opportunity for a Senior Software Engineer role who will help us design and develop tools for pro-actively monitor our ...

Ritchie Bros.

Senior Software Engineer

Westchester, IL · On-site

$121K - $160K/yr

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

Next Step Systems

Senior Software Developer

Chicago, IL · On-site

$56.25 - $74.25/hr

Senior Software Developer, Chicago, IL We are seeking a Senior Software Developer for a great ... Industry, Software Engineer, Architect, Programming, Programmer Analyst, Chicago Recruiters ...

FEV North America Inc

Senior Software Engineer

Oak Brook, IL · On-site

$123K - $163K/yr

Description FEV North America, Inc. is seeking a Senior Software Engineer is responsible for leading software development projects, designing and implementing solutions, and ensuring code quality.

FEV North America Inc

Senior Software Engineer

Oak Brook, IL · On-site

$123K - $163K/yr

FEV North America, Inc. is seeking a Senior Software Engineer is responsible for leading software development projects, designing and implementing solutions, and ensuring code quality. Contribute to ...

Cars Commerce

Sr. Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

We are seeking a Senior Software Engineer to enhance existing backend services, troubleshoot and optimize current systems, and build scalable, secure, and reliable API-based backend services that ...

Cars

Sr. Software Engineer

Chicago, IL · On-site +1

$126K - $166K/yr

We are seeking a Senior Software Engineer to enhance existing backend services, troubleshoot and optimize current systems, and build scalable, secure, and reliable API-based backend services that ...

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All JobsSoftware Engineer JobsSenior Software Engineer JobsSenior Software Engineer Jobs in Romeoville, IL

Senior Software Engineer information

See Romeoville, IL salary details

$77K

$146.1K

$195.8K

How much do senior software engineer jobs pay per year?

As of Jul 9, 2026, the average yearly pay for senior software engineer in Romeoville, IL is $146,101.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,900.00 and $164,700.00 per year, depending on experience, location, and employer.

Are senior software engineers still in demand?

Senior software engineers remain in high demand due to ongoing digital transformation across industries, with expertise in programming languages, cloud computing, and system architecture highly valued. Companies seek experienced developers to lead projects, improve systems, and implement new technologies, ensuring strong job prospects for senior roles.

What is a good salary for a senior software engineer?

A senior software engineer's salary typically ranges from $100,000 to $160,000 annually, depending on experience, location, and industry. Higher salaries are common in tech hubs and for those with specialized skills in areas like cloud computing or machine learning.

What are Senior Software Engineers?

Senior Software Engineers are experienced professionals who design, develop, and maintain complex software systems. They often lead technical projects, mentor junior team members, and make architectural decisions. Their role involves collaborating with stakeholders to understand requirements, ensuring code quality, and staying up-to-date with the latest technologies. Senior Software Engineers are expected to have strong problem-solving skills and a deep understanding of software development best practices.

What Is a Senior Software Engineer?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

What engineers make $300,000 a year?

Senior Software Engineers with extensive experience, specialized skills in areas like machine learning or distributed systems, and often working at large tech companies or in high-cost-of-living regions can earn $300,000 or more annually. Compensation may include base salary, bonuses, and stock options, especially for those in leadership or highly technical roles.

What are some common challenges Senior Software Engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

Can you make $500,000 as a software engineer?

Senior software engineers in high-demand industries or with extensive experience, specialized skills, and working in competitive markets can potentially earn $500,000 or more annually, often through base salary, bonuses, and stock options. Achieving this level typically requires advanced expertise in areas like cloud computing, machine learning, or leadership roles, along with working at large tech companies or startups with significant funding.

What is the difference between Senior Software Engineer vs Software Developer?

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

What are the key skills and qualifications needed to thrive as a Senior Software Engineer, and why are they important?

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.
More about Senior Software Engineer jobs
What are the most commonly searched types of Software Engineer jobs in Romeoville, IL? The most popular types of Software Engineer jobs in Romeoville, IL are:
What are popular job titles related to Senior Software Engineer jobs in Romeoville, IL? For Senior Software Engineer jobs in Romeoville, IL, the most frequently searched job titles are:
What job categories do people searching Senior Software Engineer jobs in Romeoville, IL look for? The top searched job categories for Senior Software Engineer jobs in Romeoville, IL are:
What cities near Romeoville, IL are hiring for Senior Software Engineer jobs? Cities near Romeoville, IL with the most Senior Software Engineer job openings:
Senior Software Engineer jobs near you
Infographic showing various Senior Software Engineer job openings in Romeoville, IL as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% Remote job distribution, with an average salary of $146,101 per year, or $70.2 per hour.
Senior Software Engineer

Senior Software Engineer

Ritchie Bros.

Westchester, IL

$121K - $160K/yr

Full-time

Posted yesterday

Ritchie Bros. Auctioneers rating

7.5

Company rating: 7.5 out of 10

Based on 26 frontline employees who took The Breakroom Quiz

3rd of 16 rated auctioneers

Job description

The Senior Software Engineer designs and delivers features and services using Microsoft technologies, work with software engineers and product team, and contributes to architectural decisions. This role emphasizes technical ownership, quality, and crossteam collaboration.
 

Minimum 5years of professional software engineering experience

Proficiency in .NET, C# and relational databases. Having knowledge in front-end technologies like React, Knockout, or Angular is preferred.

Strong experience with CI/CD and DevOps practices, Azure exposure is preferred.

Lead development of complex fullstack features with minimal supervision

Design scalable solutions using .NET, C# and modern web architectures

Review code, drive performance, reliability, and maintainability improvements

Collaborate with product, QA, and DevOps teams

Reduce technical debt and improve engineering standards

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