1,145 senior software developer jobs at 454 companies in Johnsburg, IL
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Chicago, Illinois, United States
$123k-$150k/yr OnsiteFull Time
5+ YOE5–8 years software development with leadership; bachelor’s in CS, engineering, or related field; strong backend and frontend experience.
C#, Node.js, Python, Java, Angular, React, Next.js, Vue.js, REST, Microservices, SQL Server, PostgreSQL, MongoDB, Cosmos DB, Databricks, Python, PySpark, Spark SQL, Power BI, DAX, Power Query, Git, CI/CD, Azure, Docker, Kubernetes, Azure AI, AI/ML, Event-driven systems
3mo
Save
Mark Applied
Hide
Senior Software Engineer - Cybersecurity
Waukesha, Wisconsin, United States
HybridFull Time
4+ YOESenior software engineer with cybersecurity focus; 4+ years backend, secure coding, Agile, hybrid on-site in Waukesha; U.S. work authorized; bachelor’s in CS.
C#, REST, Relational Databases, Windows, Unix/Linux, CI/CD, DevSecOps, SAST, DAST, Secrets Management
3mo
Save
Mark Applied
Hide
Senior Software Engineer - DeFi
Chicago, Illinois, United States
$130k-$225k/yr OnsiteFull Time
Strong software engineering fundamentals with DeFi/Blockchain experience, server-side development, JVM and Node.js/TypeScript, microservices, and distributed systems knowledge.
Kubernetes, Docker, ArgoCD, PostgreSQL, Oracle, SQS, RabbitMQ, Linux, Ansible, Nginx, Git, Node.js, TypeScript, Java, EVM, ethers.js, web3.js
3mo
Save
Mark Applied
Hide
Senior Software Engineer, Zaidyn
Chicago or New York or Princeton
HybridFull Time
3+ YOEBachelor’s or Master’s in CS/EE/math or related; 3-5 years software product development; full-stack SaaS experience; strong APIs, SOA/REST; English fluency.
Java, REST, SOA, Jenkins, Hibernate, Maven, TeamCity, APIs, OOP, DI/IoC, AWS
2mo
Save
Mark Applied
Hide
Senior Systems Software Engineer
Milwaukee, Wisconsin, United States
$119k-$178k/yr HybridFull Time
4+ YOESenior Systems Software Engineer with 4+ years IT experience; strong in AWS/Docker/Kubernetes, CI/CD, and scripting; Bachelor’s or equivalent.
Kubernetes, Docker, AWS, Terraform, CloudFormation, GitLab CI, Jenkins, CircleCI, CI/CD, Python, JavaScript, Linux, Windows
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Chicago, Illinois, United States
$153k/yr OnsiteFull Time
5+ YOEBachelor's or Master’s in Computer Science or related field with years of relevant software engineering experience; 5 years with Bachelor's or 3 years with Master's; strong Python and cloud skills.
Python, FastAPI, Flask, REST, PostgreSQL, SQLAlchemy, Weaviate, Pinecone, QlikView, Pandas, Plotly, Matplotlib, AWS, S3, RDS, Lambda, GraphQL, Celery, Redis, SQS, Git, OpenAI, Anthropic, MistralAI
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Chicago, Illinois, United States
$153k/yr RemoteFull Time
5+ YOERequires advanced Python development, relational/vector databases, cloud services, and AI/ML concepts with REST APIs and CI/CD.
Python, FastAPI, Flask, REST API, PostgreSQL, SQLAlchemy, Weaviate, Pinecone, Pandas, Plotly, Matplotlib, AWS, S3, RDS, API Gateway, Lambda, Redis, SQS, Celery, Git, CI/CD, GraphQL, OpenAI, Anthropic, MistralAI, UML
1w
Save
Mark Applied
Hide
Senior Software Developer
Bedford Park, Illinois, United States
$120k-$140k/yr OnsiteFull Time
5+ YOE5+ years professional software development experience; strong C#, .NET, React skills; proficiency with Git, CI/CD, automated testing, AI-assisted development tools; bachelor's in CS/engineering or equivalent.
C#, .NET, React, Git, CI/CD, Microsoft Azure, AWS, Claude Code, Codex, GitHub Copilot, SQL, REST APIs
3mo
Save
Mark Applied
Hide
Senior Staff Software Engineer
Durham or Milwaukee or Milwaukee
HybridFull Time
10+ YOELead architecture and development of AI-powered systems; 10+ years software engineering; cloud-native AI; mentoring; Bachelor's, Master's preferred.
Cloud Computing, AI Frameworks, LLMs, Distributed Computing, Software Architecture
1w
Save
Mark Applied
Hide
Senior Software Developer
Bedford Park, Illinois, United States
$120k-$140k/yr HybridFull Time
5+ YOE5+ years professional software development experience; advanced proficiency with C#, .NET, React; Git; CI/CD and automated testing experience; bachelor's in CS/Engineering or equivalent.
C#, .NET, React, Git, Microsoft Azure, AWS, Claude Code, Codex, GitHub Copilot, SQL
2mo
Save
Mark Applied
Hide
Senior Software Engineer - Digital and Web
Naperville, Illinois, United States
$106k-$159k/yr HybridFull Time
6+ YOESenior software engineer with 6+ years of full-stack experience; Next.js/React, GraphQL, Node.js, MongoDB; Docker/Kubernetes; GA/SEO; e-commerce/subscription experience preferred.
React, Next.js, GraphQL, Node.js, MongoDB, Docker, Kubernetes, REST, WebSockets, XML, JSON, YAML, Tailwind, Bootstrap, SCSS, Google Analytics, Google Webmaster Tools, SEO
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Westchester, Illinois, United States
$99k-$124k/yr RemoteFull Time
10+ YOEBachelor's in CS/IT, 10+ years software development with backend Java experience; proficiency in Python/Go, Spring Framework, cloud platforms, containerization, relational databases, CI/CD, and strong communication.
Java, Python, Go, Spring Framework, Spring Boot, Spring Data, Spring Security, MySQL, PostgreSQL, AWS, Azure, GCP, Docker, Kubernetes, React, Angular
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Chicago, Illinois, United States
$153k-$183k/yr HybridFull Time
5+ YOEBachelor's in computer science/IT/software engineering,5 years SFMC developer experience,Salesforce Marketing Cloud certification,experience with email marketing,AMPscript,GTL,CSS,HTML,SQL,SDLC,Agile tools.
Salesforce Marketing Cloud, AMPscript, GTL, CSS, HTML, SQL, SDLC, Azure DevOps, JIRA
3d
Save
Mark Applied
Hide
Senior Software Engineer
United States or Dallas or Chicago or New York City or California or Seattle or Texas
$122k-$146k/yr RemoteFull Time
5+ YOEBachelor's degree or equivalent experience, 5+ years in software engineering, Angular or React, REST APIs, unit testing, security principles, Git, CI/CD, Agile, cloud-native development, and complex project delivery.
Angular, React, REST APIs, Test Driven Development, Behavior Driven Development, Microservice, Vertical Slice Architectures, C#, Python, Docker, MS SQL, Postgres, MySQL, ASP.NET, Kafka, Kubernetes, Helm, ArgoCD, Terraform, GitHub Actions, NoSQL, GraphQL, Azure, Git, CI/CD
3w
Save
Mark Applied
Hide
Senior Software Engineer
New York City or Chicago or Atlanta or Dallas or Nashville
$73k-$174k/yr HybridFull Time
5+ YOE5+ years software experience with AWS, 1+ year Azure; experience in AI/ML model development (LoRA, RL), model optimization (TensorRT, quantization), CI/CD, containerization, and architecture design; bachelor's preferred.
LoRA, TensorRT, Python, Java, Golang, JavaScript, React, Angular, HTML, CSS, Docker, Kubernetes, AWS, Microsoft Azure, CI/CD, C4 Model
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Chicago, Illinois, United States
$140k-$160k/yr OnsiteFull Time
5+ YOE2+ Mgmt5+ years software development experience, 2+ years people leadership; strong Java and Python skills; experience with Spring Boot, ETL/data pipelines, Docker, CI/CD, production operations, and client-facing delivery.
Java, Python, Spring Boot, Docker, AWS, Azure, CI/CD
1mo
Save
Mark Applied
Hide
Senior Software Engineer
North Chicago, Illinois, United States
OnsiteFull Time
5+ YOEU.S. citizen able to obtain Secret clearance; Bachelor's in engineering/computer science; 5+ years software development for modeling and simulation; experience with Windows and Linux; proficiency in Assembly, C/C++, .NET, Java; CompTIA Security+ preferred.
Assembly, C, C++, Microsoft .Net, C#, VB, Java, Microsoft Windows, Windows 7, Windows 10, Windows Server 2008R2, Windows Server 2012R2, Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Linux
2mo
Save
Mark Applied
Hide
Senior Software Engineer
San Francisco or Miami or Atlanta or Salt Lake City or Phoenix or Washington D.C. or Los Angeles or Seattle or Chicago or Boston or Austin or New York City
$153k-$205k/yr RemoteFull Time
6+ YOE6+ years professional software development with Java and Go; bachelor’s in CS or equivalent; led small technical teams; experience with payment systems, RESTful APIs, cloud services, and SQL; strong system design, testing, and communication skills.
Java, Go, AWS, Google Cloud, Microsoft Azure, SQL, NoSQL, RESTful API
3mo
Save
Mark Applied
Hide
Senior Software Engineer
Chicago or United States
$100k-$144k/yr RemoteFull Time
10+ YOEExpert PHP 8.x with 10+ years, Laravel, RESTful APIs, Vue, TypeScript, SaaS architecture, AWS, Git, Agile, testing (Pest/PHPUnit).
1mo
Save
Mark Applied
Hide
Senior Software Engineer
New York City or Asbury Park or Boston or Chicago or Baltimore
$160k-$180k/yr HybridFull Time
5+ YOE5+ years software engineering experience; lead full-stack development with TypeScript, Node.js, Python, Next.js, Tailwind CSS; experience with Microsoft Azure, Azure DevOps, GitHub, Jira, EMU/AI-enabled features, and leading/mentoring engineers.
TypeScript, Node.js, JavaScript, Next.js, Tailwind CSS, Python, Microsoft Azure, Microsoft Azure DevOps, GitHub, Jira, Figma, Microsoft Dynamics, Microsoft Business Central, Microsoft PowerApps, Microsoft Power BI
Explore Jobs