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Sr Software Developer Jobs in Peoria, IL (NOW HIRING)

Caterpillar

Senior Software Engineer

Peoria, IL · On-site

$120K - $158K/yr

As a Senior Software Engineer on the CAT Digital - Global Services Application Team, you will help ... Proficiency in automated testing (Playwright), CI/CD pipelines, and DevOps practices. * Experience ...

Caterpillar

Senior Software Engineer

Peoria, IL · On-site

$112K - $183K/yr

Hands-on experience with GenAI developer tools * Experience with tools such as GitHub Copilot or Claude Code, or similar AI coding assistants to improve developer productivity, code quality, and ...

RC Mowers

Senior Robotics Software Engineer

Peoria, IL

$100K - $140K/yr

We're hiring a senior ROS2 engineer to help us do it. WHAT YOU'D ACTUALLY DO * Develop and ship ... Help shape how we hire, review, and scale the software team as we grow WHAT YOU BRING * Strong ...

Maui Jim

Senior Analytics Developer

Peoria, IL · Hybrid

$90K - $130K/yr

To serve as the organization's lead analytics developer and advisor, responsible for owning and evolving Maui Jim's enterprise reporting and visualization environment. The role combines hands-on ...

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All JobsSr Software Developer JobsSr Software Developer Jobs in Peoria, IL

Sr Software Developer information

See Peoria, IL salary details

$15

$60

$86

How much do sr software developer jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for sr software developer in Peoria, IL is $60.57, according to ZipRecruiter salary data. Most workers in this role earn between $51.39 and $67.93 per hour, depending on experience, location, and employer.

What are some typical challenges Sr software developers face when leading project teams, and how can they effectively manage them?

Sr Software Developers often encounter challenges such as balancing coding responsibilities with mentoring junior team members, aligning technical solutions with business goals, and managing project timelines across cross-functional teams. Effective management involves clear communication, setting realistic expectations, and fostering a collaborative environment where team members can share ideas and resolve issues quickly. Leveraging agile methodologies and regular code reviews can also help maintain project momentum and ensure high-quality deliverables.

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

AspectSr Software DeveloperSoftware Engineer
Required CredentialsBachelor's degree in CS or related field; experience often preferredBachelor's or higher in CS or related field; certifications optional
Work EnvironmentDevelops software, collaborates with teams, and mentors junior staffDesigns, develops, tests, and maintains software applications
Employer & Industry UsageUsed across tech companies, startups, and enterprise firmsCommon in software development firms, tech companies, and IT departments

Both roles involve software development, but Sr Software Developers typically have more experience, leadership responsibilities, and mentorship duties. Software Engineers focus on designing and building software solutions, often with a broader scope. The roles overlap significantly, but the seniority and leadership aspect distinguish the Sr Software Developer from a general Software Engineer.

What do senior software developers do?

Senior software developers design, develop, and maintain software applications, often leading projects and mentoring junior team members. They analyze user requirements, write clean code, perform testing, and collaborate with cross-functional teams to ensure software quality and performance. Proficiency in programming languages, problem-solving skills, and experience with development tools are essential for this role.

What is a Sr software developer?

Sr Software Developers are experienced professionals responsible for designing, developing, and maintaining complex software applications. They typically lead technical teams, make architectural decisions, and mentor junior developers. Their role often involves collaborating with stakeholders to define requirements, ensuring code quality, and staying updated with emerging technologies. Senior developers play a crucial part in the software development lifecycle, helping to deliver robust and scalable solutions.

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

To thrive as a Sr Software Developer, you need advanced proficiency in programming languages (such as Java, Python, or C#), software architecture, and a bachelor's or master’s degree in computer science or a related field. Familiarity with development tools like Git, integrated development environments (IDEs), cloud platforms, and relevant certifications (e.g., AWS Certified Developer) are typically expected. Strong problem-solving, leadership, collaboration, and communication skills help you mentor junior developers and work effectively within teams. These abilities are crucial to building robust software solutions, driving technical excellence, and ensuring successful project delivery.

What cities near Peoria, IL are hiring for Sr Software Developer jobs?

Cities near Peoria, IL with the most Sr Software Developer job openings:

Sr Software Developer jobs near you
Infographic showing various Sr Software Developer job openings in Peoria, IL as of August 2026, with employment types broken down into 1% Internship, 79% Full Time, 16% Part Time, and 4% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $125,984 per year, or $60.6 per hour.

(1108354) Senior Software Engineer - Application Integration & Architecture

Diversified Services Network, Inc.

Peoria, IL • On-site

$120K - $158K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 3 days ago

New

Job description

Senior Software Engineer – Application Integration & Architecture

Onsite | Peoria, IL | Full-Time

Diversified Services Network, Inc. (DSN) is seeking a full-time Senior Software Engineer – Application Integration & Architecture to join our team in Peoria, IL. We offer full benefits, PTO, 401k, and more! If you're looking to grow your career within an extremely reputable, stable Fortune 100 company - let's talk!

Position Overview

This role is responsible for partnering with business stakeholders to understand organizational goals and translate them into effective, scalable application integration and architecture solutions. The Senior Software Engineer will drive solutions from initial design through deployment and long-term support, working within a global engineering team.

Key Responsibilities

  • Partner with business stakeholders to understand business goals and challenges, and design and implement effective solutions
  • Drive software solutions through the full Software Development Lifecycle, from requirements gathering through deployment and ongoing support
  • Provide work estimates for tasks and initiatives
  • Understand existing deployed solutions and support functional changes as needed
  • Assign and coordinate tasks for developers located in other regions of the world

Team & Work Environment

  • Collaborate closely with business partners, project managers, and architects
  • Work within a global team of approximately 15–20 team members
  • Direct team includes 4 U.S.-based employees plus additional developers located in India

Requirements

Education & Experience Required

  • Bachelor's degree with 5+ years of relevant experience OR
  • 8+ years of relevant experience in lieu of a degree

Required Technical Skills

  • IT-related experience in application development, support, and architecture
  • Strong understanding of the Software Development Lifecycle (SDLC)
  • Experience creating architecture diagrams and design documentation
  • Demonstrated success implementing both API-based and ETL-based integration architectures
  • Experience working with SaaS and cloud-based technologies
  • Experience supporting major applications serving thousands of users across a global user base

Additional Technical Skills (Preferred)

  • Snowflake
  • SnapLogic
  • SQL
  • Python
  • AI
  • GitHub / DevOps

Soft Skills

  • Strong written and verbal communication skills
  • Strong ability to learn new tools, technologies, and processes
  • Strong troubleshooting skills

Benefits

  • 401(k)
  • Dental insurance
  • Vision Insurance
  • Disability insurance
  • Employee assistance program
  • Health insurance
  • Health savings account
  • Life insurance
  • Paid time off
  • Paid Holidays

Please follow the link to our website for a list of job openings in Engineering, IT, Project Management, and more! https://www.dsnworldwide.com

Salary expectations: 108,000-115,000 per annual