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Software Engineer Level 1 Jobs in Illinois (NOW HIRING)

Software Engineer

Naperville, IL ยท On-site

$130K - $132K/yr

Software Engineer for AmpliFI Loyalty Solutions, Naperville, IL. Define the long-term architectural ... Act as the highest-level subject matter expert for ampliFI's AWS ecosystem. Lead the design and ...

Mid-Level Software Engineer

Hartford, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

Belleville, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

Columbia, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

Maryville, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

Wood River, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

South Roxana, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

Edwardsville, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

Venice, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

Roxana, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

Madison, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

Collinsville, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

Granite City, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

Glen Carbon, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Mid-Level Software Engineer

Caseyville, IL ยท On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Showing results 21-40

Software Engineer Level 1 information

See Illinois salary details

$61.5K

$143K

$199.1K

How much do software engineer level 1 jobs pay per year?

As of Aug 6, 2026, the average yearly pay for software engineer level 1 in Illinois is $142,954.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,300.00 and $167,600.00 per year, depending on experience, location, and employer.

What is the difference between Software Engineer Level 1 vs Software Engineer Level 2?

CriteriaSoftware Engineer Level 1Software Engineer Level 2
Required CredentialsBachelor's degree in CS or related field; entry-level experienceSame as Level 1, often with 1-3 years of experience
Work EnvironmentJunior team member, supervised tasks, learning-focusedMore independent, handles complex tasks, mentorship roles
Employer & Industry UsageCommon in tech companies, startups, and corporate IT teamsProgression within same environments, increased responsibilities

Software Engineer Level 1 typically involves entry-level tasks with supervision, while Software Engineer Level 2 requires more experience and independence, handling more complex projects and mentoring junior staff. The transition reflects increased skills and responsibilities within the same industry and work environment.

What are the key skills and qualifications needed to thrive as a software engineer level 1, and why are they important?

To thrive as a Software Engineer Level 1, you need a solid understanding of programming fundamentals, problem-solving skills, and a relevant degree or coding bootcamp experience. Familiarity with languages like Python, Java, or JavaScript, version control systems such as Git, and basic software development tools is typically expected. Strong communication, teamwork, and a willingness to learn help you collaborate effectively and adapt to new challenges. These skills and qualities are essential for contributing to projects, growing professionally, and ensuring successful software delivery in a team environment.

What types of projects and technologies does a software engineer level 1 typically work on, and how are tasks assigned within the team?

As a Software Engineer Level 1, you will usually work on foundational components of larger projects, such as coding specific features, fixing bugs, or writing unit tests under the guidance of more experienced engineers. Tasks are often assigned by a team lead or project manager, with regular check-ins to ensure alignment and offer mentorship. The technologies you work with depend on the company's stack but commonly include languages like Python, Java, or JavaScript, and tools such as Git for version control. Collaboration is key, and you'll regularly participate in code reviews, daily stand-ups, and pair programming sessions to build both your technical skills and teamwork abilities.

What is a software engineer level 1?

Software Engineer Level 1 jobs are entry-level positions in the software development field, typically for recent graduates or those with limited professional experience. These engineers work under the supervision of more experienced developers, assisting with coding, debugging, testing, and maintaining software applications. They are expected to have a foundational knowledge of programming languages, software development principles, and problem-solving skills. Level 1 software engineers often participate in team meetings, contribute to project documentation, and learn industry best practices. The role serves as a stepping stone to more advanced engineering positions.
What job categories do people searching Software Engineer Level 1 jobs in Illinois look for? The top searched job categories for Software Engineer Level 1 jobs in Illinois are:
What cities in Illinois are hiring for Software Engineer Level 1 jobs? Cities in Illinois with the most Software Engineer Level 1 job openings:
Infographic showing various Software Engineer Level 1 job openings in Illinois as of July 2026, with employment types broken down into 1% As Needed, 72% Full Time, 20% Part Time, and 7% Contract. Highlights an 93% Physical, 1% Hybrid, and 6% Remote job distribution, with an average salary of $142,954 per year, or $68.7 per hour.

Software Engineer

ampliFI Loyalty Solutions

Naperville, IL โ€ข On-site

$130K - $132K/yr

Full-time

Re-posted 17 days ago


Job description

Software Engineer for AmpliFI Loyalty Solutions, Naperville, IL.
Define the long-term architectural vision and technical strategy for ampliFI's customized credit and debit card loyalty platforms. Lead the design, evolution, and governance of highly scalable, secure, and fault-tolerant cloud-native solutions, providing the highest level of technical leadership and strategic direction to cross-functional engineering teams focused on loyalty, rewards, and card-linked programs for financial institutions.
Key Duties and Responsibilities
โ€ข Architectural Strategy & Governance: Define, document, and enforce architectural principles, standards (e.g., SOLID, DRY), and patterns (e.g., microservices, event-driven architecture) across all engineering teams. Lead the technical planning for major platform evolution.
โ€ข Cloud Platform Leadership (AWS Focus): Act as the highest-level subject matter expert for ampliFI's AWS ecosystem. Lead the design and optimization of high-scale data and application architectures utilizing EC2, S3, Lambda, Glue, and DynamoDB to ensure maximum reliability, cost efficiency, and performance for loyalty solutions.
โ€ข System Design & Development Oversight: Oversee the design and implementation of core backend services in Java and related modern frameworks. Provide deep expertise and guidance on the integration of REACT front-end systems with the backend APIs, ensuring optimal performance and security across the stack.
โ€ข Data Architecture Ownership: Design and govern the strategic evolution of data models and performance optimization for both relational databases (PostgreSQL/MySQL) and NoSQL databases (DynamoDB). Define best practices for data warehousing, ETL/ELT (using Glue), optimization, and data security to support complex loyalty program analytics and transactions.
โ€ข Quality & Reliability Engineering: Define and establish company-wide Test-Driven Development (TDD) and quality assurance mandates, including automated testing frameworks and CI/CD pipelines (Docker/Kubernetes experience is moved from a "Plus" to a core responsibility at the Architect level).
โ€ข Mentorship & Technical Direction: Serve as a technical mentor and coach for Senior and Software Engineers, resolving the most challenging technical roadblocks. Collaborate with Product Managers to translate long-term business goals into a detailed, executable technical roadmap.
Position is based out of and reports to Amplifi's HQ in Naperville, IL, but allows for the option to telecommute from a home office outside of IL (except the following states from which remote work is not an option for tax reasons: AL, AK, AR, CA, CT, DE, HI, ID, IA, KS, KY, LA, ME, MD, MI, MN, MO MS, NV, NM, NC, ND, OK, OR, RI, SD, VT, WA, WV, and WY.)
Requirements:
Master's degree in Computer Science, Software Engineering, or a related field with three (3) years of experience as a software developer or related occupation in software development
Must possess three years of experience in the following:
  • Designing and developing enterprise-level software systems, specifically defining cloud-native architectures within financial services.
  • Developing platform engineering in the loyalty rewards space.

Also requires demonstrable experience with:
  • Java and associated modern backend frameworks;
  • Designing and deploying applications using the AWS ecosystem (including Lambda, S3, EC2, DynamoDB, and Glue); and
  • Database design and optimization in MySQL or DynamoDB; and
  • experience with containerization technologies (e.g., Docker/Kubernetes).

Salary: $130,707 - $132,000
#LI-DNI JOb ID 346