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Mid Level Developer Jobs in Peoria, IL (NOW HIRING)

Tech Tammina LLC

Embedded Software Engineer

Mossville, IL · On-site

$95K - $126K/yr

Set coding standards and best practices while guiding junior and mid-level engineers through rigorous design and code reviews. * Field Problem Solving: Lead root-cause analysis for complex issues ...

Xcelo Group Inc

Electrical Engineer

Mossville, IL · On-site

... Engineering Technology plus 12 years of relevant experience OR - Bachelor's degree in Electrical ... mid-level leaders - Organization and attention to detail - Curiosity - Basic computer skills ...

New

Evonik Corporation

Mechanic Master

Mapleton, IL · On-site

$38.51/hr

The incumbent can perform mid-level installation, troubleshooting, repair, and maintenance of ... Clearly communicate with the Maintenance Department, Contractors and Area Engineers and Production ...

Evonik

Mechanic Master

Mapleton, IL

The incumbent can perform mid-level installation, troubleshooting, repair, and maintenance of ... Clearly communicate with the Maintenance Department, Contractors and Area Engineers and Production ...

Evonik Industries

Mechanic Master

Mapleton, IL · On-site

The incumbent can perform mid-level installation, troubleshooting, repair, and maintenance of ... Clearly communicate with the Maintenance Department, Contractors and Area Engineers and Production ...

Farnsworth Group

Construction Resident Engineer

Peoria, IL · On-site

$97K - $124K/yr

... mid to large size heavy highway construction projects. The candidate shall possess a strong ... Level 1, and IDOT Aggregates certifications * Partnering approach to Construction Management.

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Mid Level Developer information

See Peoria, IL salary details

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$85K

$110.9K

How much do mid level developer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for mid level developer in Peoria, IL is $85,040.00, according to ZipRecruiter salary data. Most workers in this role earn between $58,900.00 and $105,500.00 per year, depending on experience, location, and employer.

What is a mid level developer?

Mid Level Developers are software professionals who have gained several years of experience beyond entry-level positions and are proficient in coding, debugging, and collaborating on projects. They possess a strong understanding of programming languages, frameworks, and software development processes. Mid Level Developers often take on more responsibility than junior developers, such as mentoring newer team members, contributing to architectural decisions, and ensuring code quality. They are expected to work independently on tasks, communicate effectively with team members, and deliver reliable solutions to complex problems.

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

To thrive as a Mid Level Developer, you need solid programming skills in languages such as Java, Python, or JavaScript, along with a relevant degree or equivalent experience. Familiarity with version control systems like Git, integrated development environments (IDEs), and frameworks such as React or Spring Boot is typically required. Effective problem-solving, teamwork, and strong communication skills help you collaborate and adapt to project needs. These abilities ensure you can deliver reliable code, work smoothly with colleagues, and contribute to successful software projects.

What opportunities for professional growth can a mid level developer typically expect within a software development team?

As a Mid Level Developer, you can expect to take on more complex projects, mentor junior team members, and gradually assume greater ownership of features or modules. Many organizations support growth through peer code reviews, access to learning resources, and the chance to participate in architectural discussions. Advancement paths often include moving toward senior developer roles, technical leads, or specializing in areas like DevOps or security, depending on your interests and the company's needs.

What is the difference between Mid Level Developer vs Junior Developer?

AspectMid Level DeveloperJunior Developer
Experience2-4 years0-2 years
SkillsProficient in multiple programming languages, problem-solving, and project contributionBasic coding skills, learning foundational concepts
ResponsibilitiesDeveloping features, debugging, collaborating on projectsAssisting in tasks, learning codebases, under supervision
Work EnvironmentIndependent work, team collaboration, project ownership

The main difference between a Mid Level Developer and a Junior Developer lies in experience, skill proficiency, and responsibilities. Mid Level Developers have more experience, can handle complex tasks independently, and contribute significantly to projects, whereas Junior Developers are still learning foundational skills and typically work under supervision.

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

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

What are popular job titles related to Mid Level Developer jobs in Peoria, IL?

For Mid Level Developer jobs in Peoria, IL, the most frequently searched job titles are:

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The top searched job categories for Mid Level Developer jobs in Peoria, IL are:

What cities near Peoria, IL are hiring for Mid Level Developer jobs?

Cities near Peoria, IL with the most Mid Level Developer job openings:

Mid Level Developer jobs near you

Embedded Software Engineer

Tech Tammina LLC

Mossville, IL • On-site

$95K - $126K/yr

Contractor

Re-posted 23 days ago

Job description

Role: Embedded Software Engineer 4

location: Mossville, IL (Onsite)

Duration: 6-month contract

Core Responsibilities:

  • Architectural Leadership: Design and own major autonomy software components across perception, localization, and planning layers to ensure systems are scalable and maintainable.
  • Production Integration: Translate research and AI/ML prototypes into real-time, production-grade software integrated with sensors (LiDAR, Radar, Camera) and vehicle networks.
  • Mentorship: Set coding standards and best practices while guiding junior and mid-level engineers through rigorous design and code reviews.
  • Field Problem Solving: Lead root-cause analysis for complex issues observed in simulation, Hardware-in-the-Loop (HIL), or actual field deployments.

Candidate Requirements:

  • Experience: 8+ years of professional software development with a focus on autonomy, robotics, or real-time systems.
  • Core Tech Stack: Expert-level C++ (Required) and proficiency in Python.
  • Systems Knowledge: Deep understanding of Linux-based development, multithreading, memory management, and performance optimization.
  • Education: Bachelor’s degree in Computer Science, Robotics, or a related field (Master’s preferred).

Preferred Technical Skills:

  • Experience with robotics frameworks (e.g., ROS/ROS2).
  • Hands-on experience with perception systems, sensor fusion, or motion planning algorithms.
  • Familiarity with simulation pipelines (SIL/HIL) and functional safety concepts.
  • Background in developing software for heavy industrial, automotive, or off-highway autonomous systems.

The Value Proposition:

  • Production-Scale Impact: Unlike R&D-only roles, this position focuses on autonomy software that is actively moving to production on large-scale machinery.
  • Technical Influence: As a senior leader, this individual will shape the long-term platform strategy and technical roadmap for autonomous systems.