1,063 junior developer jobs at 503 companies in Darien, WI
2mo
Save
Mark Applied
Hide
Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
St. Louis or St. Charles or Virginia or Sun Prairie
OnsiteFull Time
2+ YOEActive Top Secret/SCI clearance, bachelor’s degree in STEM, 2+ years backend development with Python/Node.js/Java, experience with ArcGIS Enterprise, containerization, API design, and geoprocessing workflows.
ArcGIS Enterprise, Python, Node.js, Java, Docker, Kubernetes, PostgreSQL/PostGIS, SQL Server, Azure, AWS, GCP
1w
Save
Mark Applied
Hide
Junior Application Security Engineer
North Chicago, Illinois, United States
$85k-$162k/yr HybridFull Time
4+ YOEBachelor's+5yrs or Master's+4yrs experience in application security and software development; experience with SAST/DAST/IAST/SCA, secure coding, CI/CD integration, Java/Node.js, and supporting developers.
SAST, DAST, IAST, SCA, Snyk, Endor Labs, CI/CD, Cloud Security Posture Management (CSPM), Python, Java, Node.js
2mo
Save
Mark Applied
Hide
Software Engineer lll - ERP
Waterloo, Wisconsin, United States
OnsiteFull Time
5+ YOE5+ years ERP development; JDE expertise; end-to-end ERP lifecycle; mentor junior engineers.
JDE Orchestrator, Form Design Aid, Report Design Aid, Business Function development, APIs, EDI, web services, middleware, data integration
2mo
Save
Mark Applied
Hide
Software Developer Intern - Summer 2027 - Software Developer Intern - Summer 2027 - Careers (Accessibility)
Madison, Wisconsin, United States
OnsiteInternship
Pursuing BS/BA in CS/Software Engineering; junior standing or higher; eligible to work in the U.S. without visa sponsorship; willing to relocate to Madison, WI; COVID-19 vaccination.
2w
Save
Mark Applied
Hide
Software Engineer
Wauwatosa or Bellevue or Grand Rapids or Atlanta
$77k-$105k/yr OnsiteFull Time
2+ YOEBachelor's in CS or related, 2+ years professional software development, proficiency in C/C++/C#, Azure TFS or Git, RESTful API and microservices experience, strong communication and problem-solving.
C, C++, C#, Azure TFS, Git, RESTful API, microservices
2w
Save
Mark Applied
Hide
Software Engineer
Wauwatosa or Bellevue or Grand Rapids or Atlanta
$77k-$105k/yr OnsiteFull Time
2+ YOEBachelor's degree in CS or Software Engineering, minimum 2 years professional software development, proficiency in C/C++/C#, version control (Azure TFS or Git), RESTful APIs, Agile methodologies, strong communication and problem-solving.
C, C++, C#, Azure TFS, Git, RESTful API
4d
Save
Mark Applied
Hide
Software Developer (Onsite - Huntley, IL)
Huntley, Illinois, United States
$60k-$80k/yr OnsiteFull Time
0+ YOEBachelor's degree in a relevant computer field and 0–2 years of software development experience. Requires knowledge of programming, databases, APIs, web services, and testing.
Python, Java, JavaScript, APIs, ERP, HSA, FSA, Microsoft 401k, Roth 401k
2w
Save
Mark Applied
Hide
Development Engineer I
Schaumburg, Illinois, United States
$80k-$90k/yr OnsiteFull Time
2+ YOE2+ years rubber/materials development experience, polymer and elastomer knowledge, hands-on pilot-scale processing, test interpretation, autonomous problem solving, and strong written/verbal communication.
Microsoft PowerPoint, ERP
1mo
Save
Mark Applied
Hide
Production Software Engineer (Hybrid)
Rockford, Illinois, United States
$69k-$131k/yr HybridFull Time
2+ YOEUS citizenship required. Typically requires a university degree and ~2 years experience. Experience with NI LabVIEW (object-oriented), C/C++, and Python; ability to develop, test, document, and support production equipment software.
NI LabVIEW, C/C++, Python
3d
Save
Mark Applied
Hide
Integration Developer (840017)
Pewaukee or Illinois or Iowa or Michigan or Minnesota
$1/yr HybridFull Time
2+ YOEBachelor’s degree in Computer Science, Information Systems, or related field; 2+ years of API/SDK integration experience; proficiency in Python, PHP, JavaScript, Java, JSON, REST APIs, Git, and integration tools.
Python, JSON, RESTful APIs, PHP, Postman, Bruno, Swagger/OpenAPI, Git, JavaScript, Java, OAuth, OpenID Connect, SQL, ETL, WCAG, FERPA, Banner, Ellucian
1w
Save
Mark Applied
Hide
Sr. Data Engineer
Madison, Wisconsin, United States
$78k-$156k/yr OnsiteFull Time
4+ YOEDesign and develop scalable data architectures and ETL pipelines; experience with Spark on Snowflake/Databricks, Python/Scala/SQL, cloud services, big-data formats, and mentoring junior engineers.
Spark on Snowflake or Databricks, Python, Scala, SQL, ETL, Parquet, Avro, Delta Lake, AWS, SQS, S3, GitLab, JIRA, Confluence, RestAPI, Tableau, Model Context Protocol (MCP), Braze
3w
Save
Mark Applied
Hide
Engineer Software
Rolling Meadows, Illinois, United States
$88k-$131k/yr OnsiteFull Time
2+ YOEBachelor's in ECE/Computer Engineering or related STEM with 2+ years (or MS with 0+ years). Experience with C#, C, Java, SQL, version control, Agile tools; US citizenship and ability to obtain Secret clearance.
C#, C, Java, SQL, MS Office, Microsoft Excel, Git, Gitlabs, Github, Bitbucket, ClearCase, Azure DevOps, Jira, Confluence, Tableau, PowerBI, SSIS, Jenkins, Alteryx, Visual Studio, IIS Server, WinForm Design Framework, JavaScript
1mo
Save
Mark Applied
Hide
Staff Systems Engineer
Waukesha, Wisconsin, United States
OnsiteFull Time
8+ YOEBS in engineering, 8+ years relevant experience, systems integration and product development lifecycle expertise, strong communication and problem-solving skills, experience with system architecture, verification/validation, and mentoring junior engineers.
V model
3w
Save
Mark Applied
Hide
Technical Solutions Engineer
Elkhart or Brighton or Pleasant Prairie
OnsiteFull Time
Lead complex customer programs, develop and integrate technical solutions, mentor junior staff, manage project scope/schedule/cost/risk, and support pre-sales with financial analysis.
2mo
Save
Mark Applied
Hide
Mobile app Developer (Paid Internship)
Fort Atkinson or Madison
$30/hr HybridMultiple Commitments Available
1+ YOEBuild a mobile prototype with on-device object detection using YOLO variants; prepare annotated dataset (300–500 images); train, optimize, and export models (CoreML/TensorFlow Lite); embed models on edge; proficiency in Python, OpenCV/PyTorch/TensorFlow, and mobile frameworks; US work authorization and portfolio/GitHub required.
Python, YOLOv8, YOLOv11, YOLO-NAS, YOLOX, Roboflow, CVAT, CoreML, TensorFlow Lite, OpenCV, PyTorch, TensorFlow, Apple Neural Engine, GPU, Dart/Flutter, JavaScript/React Native, Swift, Kotlin, GitHub
5d
Save
Mark Applied
Hide
AI / ML Engineer
United States or Brownsville or Madison or Boise or Lincoln or Centennial
$95k-$130k/yr HybridFull Time
2+ YOERequires 2+ years in AI, ML, or software engineering; Python, AWS, agentic LLM systems, evaluation, production deployment, RAG, CI/CD, and Terraform experience; bachelor's or master's degree preferred; U.S. citizenship and ability to obtain 6C clearance.
Python, AWS, Amazon Bedrock, AWS Lambda, Amazon ECS, AWS Fargate, Amazon S3, Amazon OpenSearch, AWS Step Functions, Terraform, Docker, Kubernetes, CI/CD, RAG
1mo
Save
Mark Applied
Hide
Research Software Engineer
Madison, Wisconsin, United States
OnsiteFull Time
1+ YOEBachelor's degree required (Master's preferred),1+ years software engineering (3+ preferred),programming in Go/Python/C++,experience with large-scale computing,GitHub,JIRA and CI/CD familiarity.
Go, Python, C++, GitHub, GitHub Actions, Jenkins, JIRA, HTCondor, Containers, Kubernetes, Pelican, CI/CD
4d
Save
Mark Applied
Hide
Full Stack Engineer
United States or San Francisco or New York City or Los Angeles or Boston or Seattle or Washington or San Diego or Chicago or Austin or Dallas or Portland or Denver or Philadelphia or Baltimore or Sacramento or Minneapolis or Miami or Atlanta or Phoenix or Orlando or Las Vegas or Salt Lake City or Madison or Birmingham or San Antonio or Spokane or Toronto
$115k-$195k/yr HybridFull Time
2+ YOERequires 2–4 years of software engineering experience, strong TypeScript/JavaScript, SQL, Node, Express, React, AWS, relational databases, teamwork, and communication skills.
TypeScript, JavaScript, React Native, Node, Express, React, AWS, SQL, relational databases, Redux, Next.js, Jest, Cypress
1w
Save
Mark Applied
Hide
Network Engineer Internship - Summer 2027
Pleasant Prairie or Milwaukee or Waukegan or Glenview or Kenosha
OnsiteFull Time
Junior-status college student pursuing a bachelor’s in network engineering or related IT field; basic networking knowledge (TCP/IP, routing, switching); strong collaboration and communication skills.
TCP/IP
1mo
Save
Mark Applied
Hide
Software Engineer II (Healthcare Solutions)
La Grange or McCook or Carpentersville or Iola or Shenzhen
$70k-$121k/yr OnsiteFull Time
2+ YOEBachelor's in engineering or CS, 2+ years embedded software experience, proficiency in C/C++, microcontroller platforms (ARM Cortex-M, STM32, PIC), RTOS, device drivers, communication protocols (I2C, SPI, UART, USB, BT/BLE), and hardware debugging tools.
C/C++, I2C, SPI, UART, USB, BT/BLE, RTOS, ARM Cortex-M, STM32, PIC, oscilloscopes, logic analyzers, JTAG
Explore Jobs