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Senior Python Full Stack Developer Jobs in Belvidere, IL

Georgia IT Inc

Java Developer

Loves Park, IL · On-site

$49 - $63.25/hr

Riverwood, IL 1. Full stack Java (Spring Boot and ReactJS / AngularJS) 2. Knowledge of RDBMS (MySQL ... programming training 6. Jenkins is must, concourse is secondary Good to have knowledge: 1. ...

Acculynx

Senior Software Engineer

Beloit, WI · On-site

$116K - $153K/yr

Description: Senior Software Engineer AccuLynx is a fast-growing SaaS provider of business ... Top notch coding skills * 7-10 years of software development experience * 7+ years of full-stack ...

Varsity Tutors

Web Development Tutor

Dekalb, IL · Remote

$40/hr

Ability to explain client-server architecture, MVC patterns, and authentication while preparing students for full-stack development roles and software engineering careers. * Conceptual Teaching ...

Varsity Tutors

JavaScript Tutor

Dekalb, IL · Remote

$40/hr

Ability to explain callback functions, scope and hoisting, and the event loop while preparing students for web development careers and full-stack engineering coursework. * Conceptual Teaching ...

Varsity Tutors

Supabase Tutor

Dekalb, IL · Remote

$40/hr

Adapts instruction using database design exercises, authentication implementation tutorials, and full-stack project development to support developers from Supabase beginners through advanced users ...

DataAnnotation

SDLC Engineer - AI Trainer

Elgin, IL · Remote

$50 - $100/hr

As a DataAnnotation's coder, you'll be part of a growing community of over 100,000 professionals -- including front-end, back-end, full-stack, machine learning, and other engineers -- who are driving ...

DataAnnotation

SDLC Engineer - AI Trainer

Rockford, IL · Remote

$50 - $100/hr

As a DataAnnotation's coder, you'll be part of a growing community of over 100,000 professionals -- including front-end, back-end, full-stack, machine learning, and other engineers -- who are driving ...

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All JobsPython Full Stack Developer JobsSenior Python Full Stack Developer JobsSenior Python Full Stack Developer Jobs in Belvidere, IL

Senior Python Full Stack Developer information

See Belvidere, IL salary details

$56.2K

$122.6K

$173.4K

How much do senior python full stack developer jobs pay per year?

As of Jun 18, 2026, the average yearly pay for senior python full stack developer in Belvidere, IL is $122,636.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,000.00 and $142,700.00 per year, depending on experience, location, and employer.

How much does a senior Python developer make?

A senior Python full stack developer typically earns between $100,000 and $150,000 annually, depending on experience, location, and company size. Skilled developers with expertise in frameworks like Django or Flask and experience with front-end technologies tend to command higher salaries.

What are the key skills and qualifications needed to thrive as a Senior Python Full Stack Developer, and why are they important?

To thrive as a Senior Python Full Stack Developer, you need advanced proficiency in Python, JavaScript frameworks (such as React or Angular), database management, and a solid understanding of both front-end and back-end development principles, often backed by a degree in computer science or related experience. Familiarity with tools like Django or Flask, RESTful APIs, version control systems (e.g., Git), and cloud platforms is typically required. Excellent problem-solving abilities, effective communication, and the ability to mentor junior developers are standout soft skills for this role. These skills ensure robust, scalable applications and foster effective collaboration across technical teams, driving project success.

What is the difference between Senior Python Full Stack Developer vs Backend Developer?

AspectSenior Python Full Stack DeveloperBackend Developer
Required SkillsProficiency in Python, JavaScript, HTML/CSS, frameworks like Django/Flask, React or AngularStrong Python skills, experience with server-side development, databases, APIs
Work EnvironmentFull-stack development across front-end and back-end, often in agile teamsPrimarily server-side, database, and API development
Industry UsageTech companies, startups, enterprises needing full-stack solutionsWeb services, SaaS, enterprise applications

The main difference is that a Senior Python Full Stack Developer handles both front-end and back-end development, requiring skills in multiple technologies, while a Backend Developer focuses mainly on server-side logic, databases, and APIs. The full-stack role demands broader expertise, whereas backend roles are more specialized in server-side development.

What are Senior Python Full Stack Developers?

Senior Python Full Stack Developers are experienced software engineers who specialize in both frontend and backend web development using Python and related technologies. They are responsible for designing, building, and maintaining complex web applications, often leading teams and making architectural decisions. Their expertise typically includes frameworks like Django or Flask for backend development, as well as JavaScript frameworks such as React or Angular for the frontend. In addition to coding, they often mentor junior developers and ensure best practices in software development. Their role requires a deep understanding of databases, APIs, deployment processes, and modern development workflows.

What are some common challenges faced by Senior Python Full Stack Developers when working on cross-functional teams?

Senior Python Full Stack Developers often collaborate with designers, product managers, and DevOps specialists, which can present challenges in aligning technical solutions with business goals and user experience expectations. Balancing backend performance with frontend responsiveness and maintaining clear communication across disciplines are key hurdles. Additionally, staying updated with rapidly evolving frameworks and ensuring code quality and scalability across the stack requires continual learning and adaptability. Successful developers proactively bridge these gaps by fostering open dialogue and advocating for best practices throughout the development process.

Is there demand for Python full stack developer?

The demand for Python full stack developers remains strong due to the language's versatility in web development, data analysis, and automation. Companies seek professionals skilled in frameworks like Django and Flask, along with front-end technologies, to build comprehensive applications. Proficiency in related tools and continuous learning can enhance job prospects in this field.

Which pays more, C++ or Python?

For a Senior Python Full Stack Developer, Python skills generally command higher salaries due to its widespread use in web development, data science, and automation. C++ developers may earn more in specialized fields like systems programming or game development, but overall Python offers higher average compensation for full stack roles. Salary differences depend on industry, experience, and location.

Is Python full-stack in demand in 2026?

Python full-stack development remains in high demand in 2026 due to its versatility, with companies seeking developers skilled in frameworks like Django and Flask, as well as front-end technologies. Strong knowledge of databases, APIs, and version control tools enhances employability in this role.
What job categories do people searching Senior Python Full Stack Developer jobs in Belvidere, IL look for? The top searched job categories for Senior Python Full Stack Developer jobs in Belvidere, IL are:
What cities near Belvidere, IL are hiring for Senior Python Full Stack Developer jobs? Cities near Belvidere, IL with the most Senior Python Full Stack Developer job openings:
Senior Python Full Stack Developer jobs near you

Full-Stack & Mobile Application Developer

Fairbanks Morse Defense

Beloit, WI • On-site

Full-time

Posted 20 days ago

Job description

Summary
Fairbanks Morse Technology's goal is to create secure, mission-driven, advanced, and reliable technology solutions through artificial intelligence, digital technology, smart engineering solutions, automation, and Advanced IOT Solutions.
FMT is seeking a Full-Stack AI & Mobile Application Developer to join our FM OnBoard team in a full-time, Beloit based roll
You will build and maintain two integrated products as well as any other projects that come up:
  • A full-stack AI-powered AI chat bot with advanced document processing web application in Microsoft Azure Government Cloud, using React on the frontend and Python/Node.js on the backend, integrated with Azure OpenAI for large-scale document processing (text, Excel, and image-based content such as schematics, inspection photos, and scanned technical manuals). The solution will support RAG, agentic workflows with tool use, and OCR, all within a Fed-compliant Azure Gov environment.
  • An offline-first cross-platform mobile application built with .NET MAUI targeting Android, iOS, Windows, and macOS from a shared codebase. The app will consume AI service APIs when online and fall back to cached content and local features when offline to support critical tasks in low-connectivity environments.

The ideal candidate has full-stack experience across modern web, AI, and mobile development, plus practical experience deploying and operating workloads in government cloud environments.
Principle Duties and Responsibilities
  • Full-Stack AI Application Development
    • Design and build a custom full-stack AI application using React (frontend), Python and Node.js (backend), and Azure OpenAI, deployed in Azure Government Cloud.
    • Implement scalable document processing pipelines that ingest, parse, and extract insight from heterogeneous sources including text documents, Microsoft Excel workbooks, and image-based content (schematics, inspection photos, scanned manuals).
    • Design and deliver retrieval-augmented generation (RAG) pipelines over large technical document corpora - including chunking, embedding, indexing, and retrieval strategies tuned for domain-specific content.
    • Build AI agents with tool-use and function-calling capabilities that execute multi-step workflows on behalf of operators, with appropriate guardrails and human-in-the-loop controls where needed.
    • Implement image analysis and optical character recognition (OCR) workflows using Azure AI Vision, Azure Document Intelligence, or comparable services.
    • Develop and publish secure, versioned REST API endpoints that expose AI capabilities to both the web frontend and downstream mobile clients.
    • Deploy, configure, and maintain services in Azure Government Cloud in line with federal security and compliance requirements.
    • Establish prompt engineering, evaluation, and observability practices to measure and continuously improve model output quality.
  • Mobile Application Development
    • Design, develop, and maintain offline-first cross-platform applications using .NET MAUI, targeting Android, iOS, Windows, and macOS from a shared codebase.
    • Integrate mobile clients with the AI application's REST API endpoints, implementing authentication, request retry, and caching strategies suited to intermittent connectivity.
    • Optimize local storage, data synchronization, and offline workflows so applications remain fully usable in low- or zero-connectivity environments.
    • Implement secure data synchronization protocols over Wi-Fi, Bluetooth, and USB.
    • Collaborate with UX/UI designers to deliver intuitive, high-performance interfaces tailored to field operators.
  • Engineering Practices
    • Write clean, maintainable, and secure code across multiple languages and stacks, applying modern testing practices including unit, integration, and automated end-to-end tests.
    • Ensure application security, scalability, and reliability by following industry best practices, including secure handling of model inputs, outputs, credentials, and sensitive content.
    • Produce clear technical documentation covering architectures, APIs, deployment procedures, and prompt/agent specifications.
    • Diagnose and resolve issues promptly across the full stack - frontend, backend, AI services, and mobile client.
  • Any other duties as the job requires

Qualifications and Educational Requirements
  • BS in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering, or a related technical field; or equivalent practical experience
  • 3-5 years of experience in full stack software development, including front-end and back-end design and implementation, system integration, and technical project/task management; experience with deployment and production support is a plus.
  • Strong expertise in React for frontend development, with Python and Node.js for backend services.
  • Demonstrated experience integrating Azure OpenAI Service, OpenAI APIs, or equivalent large language model services into production applications.
  • Practical experience building retrieval-augmented generation (RAG) pipelines, including vector databases, embedding models, and retrieval strategies.
  • Experience processing and extracting information from multiple document formats including text, Microsoft Excel (.xlsx), and images - including OCR workflows.
  • Experience deploying and operating workloads in Microsoft Azure, with exposure to Azure Government Cloud and associated compliance considerations.
  • Strong expertise in .NET MAUI, including shared-codebase development targeting Android, iOS, Windows, and macOS.
  • Experience designing offline-first mobile architectures and optimizing for memory, battery efficiency, and load times.
  • Proficiency with REST API design, authentication patterns (OAuth 2.0 / OpenID Connect), and secure data synchronization over Wi-Fi, Bluetooth, and USB.
  • Proficiency with additional languages as needed (e.g., C#, JavaScript/TypeScript, HTML, CSS, Swift, Kotlin).
  • Experience with local / synchronizing databases such as PouchDB, CouchDB, or SQLite.
  • Proficiency with Git-based version control and containerization tools such as Docker.
  • Strong problem-solving skills, attention to detail, and excellent written and verbal communication, with the ability to explain technical concepts to varied audiences.
  • Ability to work collaboratively in a fast-paced environment.
  • This position requires access or potential access to Unclassified Naval Nuclear Propulsion Information, which is Not Releasable to Foreign Nationals (NOFORN) data. Therefore, to meet NOFORN requirement, you will have to provide proof of US Citizenship and attest that you do not have dual citizenship. Acceptable proof of US Citizenship is a US Passport, US Birth Certificate or Naturalization Certificate.

Preferred
  • Hands-on experience building and operating applications within Azure Government Cloud (FedRAMP, IL4 / IL5) environments.
  • Experience building AI agents with frameworks such as Microsoft Semantic Kernel, LangChain, LangGraph, or equivalent.
  • Experience with Azure AI Vision, Azure Document Intelligence, and Azure AI Search for document and image processing workflows.
  • Familiarity with LLM evaluation, observability, and prompt engineering best practices.
  • Experience with SAML and other federated authentication frameworks for secure enterprise and federal user authentication.
  • Experience with Blazor Hybrid for embedding web components into native applications.
  • Experience with 2D/3D digital twin technology.
  • Experience delivering in rapid, iterative development environments.
  • Working Knowledge of MS Project
  • Experience with SCADA or HMI software development
  • Cyber Security specifically as it relates to the government (STIG, NIST, etc)
  • Proficiency with reading and understanding mechanical drawings, P&ID's, water, air, and hydraulic system drawings.
  • Familiarity with implementing and deploying AI solutions
  • Application development using programing languages like: Python, Javascript, C/C++, etc

This specification is intended to indicate the kinds of tasks and levels of work difficulty that will be required of positions that will be given this title and shall not be construed as declaring what the specific duties and responsibilities of any particular position shall be. It is not intended to limit or in any way modify the right of any supervisor to assign, direct, and control the work of employees under his/her supervision. Ability to competently perform all the essential duties of the position, with or without reasonable accommodation, demonstrated commitment to effective customer service delivery, and the ability to work productively as a member of a team or work group are basic requirements of all positions at Fairbanks Morse Defense.

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