25 software engineering jobs at 13 companies in Freeport, IL

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2w
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Principal Engineer, Software Engineering
Rockford, Illinois, United States
$127k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOE3+ MgmtBachelor's in CS/EE or related with 8+ years (or Master's with 5+ years); 5+ years embedded C; 3+ years leading 10–20 person teams; 3+ years DO-178B/C and generator/bus power control software experience; U.S. work authorization required without sponsorship.
embedded C, DO-178B/C
1w
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Engineering Intern
Beloit, Wisconsin, United States
$25-$30/hr OnsiteInternship
Mid-States Concrete Industries
Mid-States Concrete Industries: Produces and installs precast concrete building systems.
Enrolled in civil engineering (structural emphasis), proficient with Microsoft Word/Excel/Outlook, experience with structural analysis/design software, strong communication and teamwork skills.
Microsoft Word, Microsoft Excel, Microsoft Outlook
1w
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Manager, Facilities & Software Validations
Rockford, Illinois, United States
$109k-$123k/yr OnsiteFull Time
PCI Pharma Services
PCI Pharma Services: Integrated pharmaceutical development, manufacturing, and global packaging services.
6+ YOEBachelor's degree in engineering/life sciences/computer science, 6+ years validation experience in regulated industry, CSV/GAMP5 knowledge, supervisory experience, strong validation lifecycle and regulatory knowledge.
Computer System Validation (CSV), GAMP 5
6d
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Site Civil Engineer
Omaha or Coralville or Sioux City or Davenport or Clinton or Iowa City or Lincoln or Des Moines or Iowa Falls or Ames or Council Bluffs or Cedar Rapids or Fort Madison
OnsiteFull Time
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
Bachelor's degree in civil engineering, PE license, experience in general civil engineering, proficiency with CAD civil software, Microsoft Office, strong leadership and communication skills.
Bentley Open Roads Designer, Autodesk Civil 3D, OpenFlows, Microsoft Office
1w
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Entry Level Civil Engineer
Detroit or Cleveland or Maumee or Chicago or Champaign or Rockford or Freeport or Rochelle or Schaumburg or Aurora or New York City or New Jersey or East Berlin or Belleville or Hartford or Providence or Boston
$65k-$95k/yr HybridFull Time
Trilon Group
Trilon Group: Providing engineering and design services for community infrastructure.
0+ YOEBachelor's in engineering or related field,0–4 years experience,strong communication,proficiency with Microsoft Office and design software,EIT or pursuit of PE preferred.
AutoCAD, Civil 3D, Revit, GIS, Microsoft Office
3mo
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Estimator
Rockford, Illinois, United States
RemoteFull Time
MasTec
MasTecNYSE: MTZ: Provides infrastructure engineering, construction, and maintenance services.
5+ YOEBachelor’s Degree in Civil/Structural Engineering or Construction Management; 5 years heavy civil estimating; detail-oriented; able to travel; proficient in estimating practices and software.
Estimating Software, Microsoft Office
1mo
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Senior Web/App Engineer
Janesville, Wisconsin, United States
$118k-$142k/yr OnsiteFull Time
Blain's Farm & Fleet
Blain's Farm & Fleet: Retailer of farm, home, automotive, and outdoor goods.
5+ YOE5+ years software development experience; proficiency in Java, C#, Python, JavaScript; strong system architecture, design patterns, data modeling, cloud and application security knowledge; bachelor's in CS/Engineering preferred; experience with SaaS platforms (Adobe, Oracle) preferred.
Java, C#, Python, JavaScript, Adobe, Oracle
1mo
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Junior Estimator
Rockford, Illinois, United States
OnsiteFull Time
MasTec
MasTecNYSE: MTZ: Infrastructure engineering and construction for energy, utilities, and communications.
5+ YOEBachelor's in civil/structural engineering or construction management preferred; 5 years heavy civil estimating; accurate takeoffs, cost estimates, contract review, site assessments, estimating software use, and risk analysis; able to lift 25 lbs and travel between IL and IN offices.
4w
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Senior Test Lead - DO 178B (126837)
Rockford, Illinois, United States
OnsiteFull Time
HCLTech
HCLTechNational Stock Exchange of India: HCLTECH: Global provider of information technology services and software consulting.
Experience verifying real-time embedded aerospace software to DO-178B/C standards including HSIT/SSIT, requirement-based testing (Emulator, SITE, uHSIT), structural coverage and coupling analysis, configuration management, and standard protocols (ARINC, CAN, SPI, Ethernet).
DO178C, DO178B/C, HSIT, SSIT, Emulator, SITE, uHSIT, ARINC, CAN, SPI, Ethernet, SPDA, EPGS
2mo
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Production Worker-Beloit, WI Job detail
Beloit, Wisconsin, United States
$23-$26/hr OnsiteFull Time
Smurfit Westrock
Smurfit WestrockNYSE: SW: Manufacturer of sustainable paper and packaging solutions.
High school diploma or equivalent; ability to read a tape measure; basic math and computer skills; willingness to work overtime and weekends; experience in manufacturing preferred but not required.
Industrial machinery, Tape measure, Computers
1mo
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Acculynx - UI Engineer
Beloit, Wisconsin, United States
OnsiteFull Time
AccuLynx
AccuLynx: Business management software for roofing and exterior contractors.
3+ YOE3+ years experience; strong HTML5, CSS3, CSS preprocessors, JavaScript; experience with Vue, React, or Angular; responsive design (Bootstrap); Agile familiarity; accessibility and performance awareness.
HTML5, CSS3, CSS Preprocessors, JavaScript, Bootstrap, Vue, React, Angular
1mo
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Junior Estimator
Rockford, Illinois, United States
OnsiteFull Time
MasTec
MasTecNYSE: MTZ: Infrastructure construction and engineering services provider.
5+ YOEBachelor's preferred in civil/structural engineering or construction management, 5 years heavy civil estimating experience, proficiency with estimating software, perform takeoffs, review contracts, and conduct site visits.
1mo
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Pipeline Field Project Construction Manager- (Illinois or Indiana area)
Rockford or Crown Point
FieldFull Time
Buckeye Partners
Buckeye Partners: Operates midstream energy infrastructure and logistics networks for petroleum.
5+ YOEBachelor's in construction management, mechanical, or civil engineering (or equivalent API/CWI certifications), PM certification desirable, 5+ years construction management experience, valid driver’s license, ability to travel ~75%, OSHA familiarity, proficiency with construction management software.
1d
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IT Systems Engineer - Continuous Improvement
Beloit, Wisconsin, United States
OnsiteFull Time
Fairbanks Morse Defense
Fairbanks Morse Defense: Provides naval power and propulsion systems to defense fleets.
5+ YOEBS or equivalent plus 5+ years IT/software experience; strong Azure and AI agent development, RAG, REST API, CI/CD, containerization, and security/compliance for government environments.
Microsoft Azure, Azure OpenAI, Oracle, HFM, Salesforce, Power BI, Codex, Cursor, GitHub Copilot, Claude, Claude Code, Codex Gemini, GitHub Actions, Docker, Terraform, Bicep, Azure DevOps, Microsoft Power Platform, Power Automate, Power Apps, Python, JavaScript, TypeScript, SQL, C#, .NET, LangChain, Microsoft Semantic Kernel, LangGraph, AutoGen, GCC-High, OAuth 2.0, OpenID Connect, Git
4w
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Scientist, Computational Chemist & MLOps Engineer
Madison or Pasadena or San Diego or Verona
$100k-$125k/yr OnsiteFull Time
Arrowhead Pharmaceuticals
Arrowhead PharmaceuticalsNASDAQ: ARWR: Develops RNAi medicines to treat genetic and intractable diseases.
Bachelor's or Master's in a related field; strong Python, Linux, and Git skills; foundational statistics and ML knowledge; experience with biological/omics datasets, reproducible workflows, and scientific software; PhD preferred for senior levels.
Python, Linux, Git, HPC