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Software Engineer Software Developer Jobs in Illinois

Leidos

Data Engineer Software Developer

Shiloh, IL · On-site

$106K - $128K/yr

The Leidos Digital Modernization Group seeks a Data Engineer Software Developer for the Global Solution Management - Operations II (GSM-O II) contract, under the Global Automations & Intelligent ...

Next Step Systems

C++ Software Developer

Chicago, IL · On-site

$50.50 - $68/hr

... Software Engineer, Programming, Programmer Analyst, Architect, Chicago Recruiters, Information Technology Jobs, IT Jobs, Chicago Recruiting Company Will Sponsor Visas! Company Will Relocate ...

Leidos

Data Engineer Software Developer

Shiloh, IL · On-site

$106K - $128K/yr

The Leidos Digital Modernization Group seeks a Data Engineer Software Developer for the Global Solution Management - Operations II (GSM-O II) contract, under the Global Automations & Intelligent ...

Technical Paradigm LLC

Software Developer

Chicago, IL · Remote

Senior Software Developer (Fintech - fixed income securities trading operations) Remote USA Requires: Extensive developer experience with fixed income securities trading, clearance and settlement ...

Technical Paradigm LLC

Software Developer

Chicago, IL · On-site +1

Company Description Senior Software Developer (Fintech - fixed income securities trading operations) Remote USA Requires: Extensive developer experience with fixed income securities trading ...

ULINE

Software Developer

Waukegan, IL · On-site

$112K/yr

Software Developer Job Duties: Uline, Inc. seeks a Software Developer in Waukegan, Illinois to develop software. Craft, test, and deploy Java applications aligned with business needs using industry ...

ULINE

Software Developer

Waukegan, IL

$112K/yr

Software Developer Job Duties: Uline, Inc. seeks a Software Developer in Waukegan, Illinois to develop software. Craft, test, and deploy Java applications aligned with business needs using industry ...

HPTech Inc.

Software Developer

Rockford, IL · On-site

Title - Software Developer Location: Rockford, Illinois Experience - 5 to 10 years Summary: The job requires a good knowledge of strong analysis, and a thorough understanding of the embedded software ...

New

Next Step Systems

Senior Software Developer

Chicago, IL · On-site

$56.25 - $74.25/hr

... Software Engineer, Architect, Programming, Programmer Analyst, Chicago Recruiters, Information Technology Jobs, IT Jobs, Chicago Recruiting Company Will Sponsor Visas! Company Will Relocate ...

BizTech Fusion

Software Developer

Rockford, IL · On-site

Title - Software Developer Client - Aerospace Domain Rockford, Illinois Experience - 5 to 10 years Summary: The job requires a good knowledge of strong analysis, and a thorough understanding of the ...

New

Seven Seven Software

Software Engineer

Chicago, IL

As a Software Engineer, you'll work on everything from customer-facing web and mobile applications ... DevOps expertise. Our programming languages has been Java, Python, and C#. We are big fans on ...

Paylocity

Engineer Software

Schaumburg, IL · On-site

Minimum 2 years of professional software engineering experience * Good problem-solving skills and analytical thinking * Excellent communication and collaboration abilities Technical Skills * Strong ...

Seven Seven Software

Software Engineer

Chicago, IL · On-site

As a Software Engineer, you'll work on everything from customer-facing web and mobile applications ... DevOps expertise. Our programming languages has been Java, Python, and C#. We are big fans on ...

Next Step Systems

C++ Software Developer

Chicago, IL · On-site

$50.50 - $68/hr

... Engineer, Programming, Programmer Analyst, Trading, Financial, Chicago Recruiters, IT Jobs, Chicago Recruiting Company Will Sponsor Visas! Looking to hire for similar positions in Chicago IL or in ...

Judge Group, Inc.

Software Developer

Buffalo Grove, IL

$55 - $70/hr

Software Developer Work Site: Buffalo Grove, IL Duration: 6-Month Contract (Potential Full-Time Conversion) Work Schedule: 40 hours/week (Flexible start time between 7:00 AM - 9:00 AM) About the Role ...

Paylocity

Staff Engineer Software

Schaumburg, IL · On-site

Staff Engineer Software Paylocity is an award-winning provider of cloud-based HR and payroll software solutions, offering the most complete platform for the modern workforce. The company has become ...

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Software Engineer Software Developer information

Is a Software Engineer the same as a software developer?

A Software Engineer and a Software Developer often perform similar roles involving designing, coding, and testing software. However, a Software Engineer typically applies engineering principles to develop scalable and maintainable systems, while a Developer may focus more on writing code and implementing features. The titles can overlap, but the scope and responsibilities may differ depending on the organization.

What are software engineers and software developers?

Software engineers and software developers are professionals who design, create, test, and maintain computer software. While the terms are often used interchangeably, software engineers typically focus on applying engineering principles to the entire software development process, including system architecture and design. Software developers are more focused on writing code and building applications based on specific requirements. Both roles require strong problem-solving skills, knowledge of programming languages, and collaboration with other team members. Their work enables the technology and applications we use every day.

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

To thrive as a Software Engineer or Software Developer, you need strong programming skills, problem-solving abilities, and a solid understanding of computer science principles, often supported by a degree in computer science or a related field. Familiarity with languages like Python, Java, or C++, version control systems like Git, and experience with development frameworks and cloud platforms are commonly required. Excellent teamwork, communication skills, and adaptability help you collaborate effectively and respond to evolving project needs. These skills and qualities are crucial for building reliable, scalable software and successfully contributing to dynamic development teams.

Can a software developer work as a Software Engineer?

A software developer can often work as a Software Engineer, as both roles involve designing, coding, and testing software. However, Software Engineers typically have a broader scope, including system architecture and design principles, and may require additional experience or certifications. Transitioning between these roles depends on skills, experience, and the specific company's job requirements.

How do software engineers typically collaborate with product managers and designers during the development process?

Software engineers frequently work closely with product managers and designers to ensure that technical solutions align with user needs and business goals. This collaboration often involves participating in regular meetings such as sprint planning, design reviews, and daily stand-ups to clarify requirements, discuss feasibility, and provide feedback. Engineers contribute technical insights early in the process, help identify potential challenges, and iterate on features based on cross-functional input. Effective communication and teamwork are essential for delivering high-quality software on schedule.

What engineers make $500,000?

Senior software engineers, especially those in high-demand fields like machine learning, cloud computing, or with expertise in specialized tools, can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, advanced skills, and working at large tech companies or startups with significant funding.

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

AspectSoftware Engineer Software Developer

Both roles often require similar skills, including programming, problem-solving, and understanding software development lifecycle. They typically work in similar environments such as tech companies, startups, or IT departments. Employers often use these titles interchangeably, and candidates search for both when exploring opportunities. The main difference is that 'Software Engineer' may imply a broader scope or more emphasis on engineering principles, but in many contexts, they are considered equivalent roles.

Will AI replace coders by 2040?

As a Software Engineer or Developer, AI is expected to automate certain coding tasks and improve productivity, but it is unlikely to fully replace human coders by 2040. AI tools can assist with code generation and debugging, yet complex problem-solving, creativity, and understanding user needs remain essential skills for developers. Continuous learning and adapting to new technologies will be important for future job security in the field.
What are popular job titles related to Software Engineer Software Developer jobs in Illinois? For Software Engineer Software Developer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Software Engineer Software Developer jobs in Illinois look for? The top searched job categories for Software Engineer Software Developer jobs in Illinois are:
What cities in Illinois are hiring for Software Engineer Software Developer jobs? Cities in Illinois with the most Software Engineer Software Developer job openings:
Software Engineer Software Developer jobs near you
Infographic showing various Software Engineer Software Developer job openings in Illinois as of June 2026, with employment types broken down into 78% Full Time, 11% Part Time, and 11% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution.
Data Engineer Software Developer

Data Engineer Software Developer

Leidos

Shiloh, IL • On-site

$106K - $128K/yr

Full-time

Posted 14 days ago

Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 146 frontline employees who took The Breakroom Quiz

56th of 428 rated business services

Job description

The Leidos Digital Modernization Group seeks a Data Engineer Software Developer for the Global Solution Management - Operations II (GSM-O II) contract, under the Global Automations & Intelligent Network Solutions (GAINS) Team. Seeking a Back-End Developer to join the Real-Time Visibility (RTV) team, focused on designing, building, and maintaining the infrastructure and systems that collect, store, process, and analyze large volumes of network operations data for the DISN network. This role is critical for ensuring that data from disparate sources-such as logs, performance metrics, events, ticketing, ordering, and CMDB systems-is readily available, reliable, and performant for business and mission use. The existing platform is built on Elastic stack and Confluent Kafka platforms. The ideal candidate will have a strong background in data engineering, platform operations, and integration, with experience in large-scale, mission-critical environments.
As a key Real-Time Visibility team member, you will be conducting design and implementation for a variety of solution capabilities to integrating various data sources into Confluent (Kafka) and Elastic platforms, design of robust data integration solutions, and adhering to the program's CI/CD processes and data governance practices. You will an integral member of a fast paced, Agile development and implementation team to architect, design and develop data integration solutions (Extract, Transform, Load) to support a unified User Experience / User Interface (UX/UI) that provides a holistic single-pane-of-glass interface for an integrated solution on the Elastic platform. You will also work with operational end users and support teams to perform requirements analysis, as well as design, develop and demonstrate mockups and wireframes.
Candidate must be within driving distance of Scott AFB. At a minimum, a Secret clearance is required upon the start of employment and within 14 days following the start date the employee must obtain their Security + certification.
Primary Responsibilities:
  • Designs, builds, and maintains scalable, reliable data systems and pipelines to ingest, process, and transform large, complex, and disparate data sources for analytics and reporting.
  • Unifies and integrates data from multiple network operations systems into a consistent, accessible platform, ensuring data quality, accuracy, security, and compliance with DoD and DISA requirements.
  • Implements solutions using Confluent Kafka, Elastic Stack, AWS, and Red Hat OpenShift (Kubernetes), including creating Kafka, Elastic, and Logstash pipelines and supporting Kibana visualizations and dashboards with React, JavaScript, and HTML.
  • Develops and manages data warehouses and data lakes to support analytics, reporting, and operational dashboards, optimizing infrastructure for performance, scalability, and cost-effectiveness through automation and best practices.
  • Continually analyze and optimize ingestion throughput, query performance, indexing strategies, and storage efficiency across Elastic and Kafka platforms.
  • Automates data-related tasks such as ETL/ELT processes, data validation, cleansing, monitoring, and supports CI/CD pipelines for automated build, test, and deployment.
  • Collaborates with data analysts, visualization engineers, and other stakeholders to deliver integrated, actionable data solutions, and documents data architecture, integration patterns, and operational procedures.
  • Troubleshoots and resolves issues related to data ingestion, processing, and platform performance, storage, memory, partitioning, and cluster performance.

Basic Qualifications:
  • Bachelor's degree in Computer Science, Engineering, or related technical discipline and 4+ years of relevant experience.
  • Hands-on experience designing, building, and maintaining data pipelines (ETL/ELT) and integrating multiple, disparate data sources.
  • Experience with data warehouse and/or data lake technologies (e.g., AWS Redshift, S3, Hadoop, Snowflake, or similar).
  • Proficiency with data engineering tools and languages such as Python, Java, SQL, and shell scripting.
  • Experience with Elastic Stack (Elasticsearch, Logstash, Kibana) and/or Kafka for data ingestion and processing.
  • Familiarity with network operations data (logs, metrics, events, ticketing, CMDB) and related data models.
  • Experience with Linux/UNIX system administration and automation.
  • Knowledge of data security, access controls, and compliance frameworks (DoD, DISA, RMF, STIGs).
  • Experience with CI/CD pipelines, containerized pipelines, version control (Git, Bitbucket), and DevOps practices.
  • Strong communication and documentation skills for collaboration and knowledge sharing.
  • Must be able to commute to Scott AFB, IL for up to full-time onsite support.
  • Ability to obtain interim Secret DoD Security clearance before the start date.
  • Ability to obtain Security+ certification or equivalent DoD 8570 IAT II certification within 14 days of the start date.

Preferred Qualifications:
  • Experience with DISA, DISN, or other DoD network environments, including developing and deploying software applications that meet DoD security standards (e.g., STIGs), and knowledge of network security, encryption, and access controls in classified environments.
  • Experience with big data technologies and platforms such as Kafka, Spark, NiFi, Hadoop, Elasticsearch, Logstash, Databricks, and ELK Stack for text mining, summarization, search, and entity extraction.
  • Experience with cloud-based data platforms (AWS, Azure, GCP, AWS GovCloud), cloud-integrated platforms, and infrastructure as code, including networking and security policies.
  • Familiarity with Kubernetes deployment, platform upgrades, patching, configuration management tools (Ansible, Puppet, Chef), and monitoring, alerting, and observability tools (Prometheus, Grafana, Elastic).
  • Experience with BI tools like Kibana and developing and maintaining technical documentation and runbooks.
  • Strong understanding and practical experience with Agile methodologies (Scrum, SAFe), and related tools such as Atlassian JIRA and Confluence.
  • Certified Confluent Developer and Certified Elastic Engineer.
  • Excellent communication and collaboration skills, with experience working remotely with geographically dispersed teams and within a matrixed organization to combine software, integration, and data engineering practices.
  • Apply knowledge of system architecture, networks, and centralized logging (ELK) to support data transformation initiatives.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
Original Posting:
June 4, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $87,100.00 - $157,450.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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