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Freelance Backend Web Developer Jobs in Wisconsin

Resource Point LLC

Java Developer

Madison, WI · On-site

$51.50 - $66.50/hr

... * 5+ years in web applications development, web services, REST API and etc,. * 3+ years in ... Develop and maintain Java-based backend applications, ensuring high performance and scalability.

Socket.dev

WI · On-site

Develop new features and infrastructure across the database, API, and web tiers to support project ... back-end bindings to programmatically integrate data into desktop applications. * Support ...

Soteria Reinsurance Ltd.

WI · On-site

$105K - $138K/yr

... Amazon Web Services (AWS), and Cypress to deliver solutions to complex technical challenges ... Performs back-end services development using Application Programing Interface (API) design and ...

NJT Automation LLC

Front-End Developer

Milwaukee, WI · On-site

$102K - $119K/yr

NJT Automation is seeking a Front-End Developer to help build and evolve our customer-facing repair ... Integrate the web application with backend platforms and third-party services for sign-in, data ...

US staffing Inc

WI · On-site

$46.25 - $60/hr

... SQL * 2+ years developing REST/web services and writing complex SQL queries for relational ... Proficiency with DevOps practices and CI/CD pipelines using tools like Jenkins and CloudFormation

Centurion Health

WI · On-site

Integrate web applications with healthcare APIs and services (e.g., FHIR, HL7, EHR systems ... Ensure performance, security and data integrity in back-end processes. * Collaborate on CI/CD ...

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Freelance Backend Web Developer information

What is a freelance backend web developer?

A Freelance Backend Web Developer is a self-employed professional who specializes in building and maintaining the server-side logic, databases, and APIs that power web applications. Unlike front-end developers who focus on the visual and interactive aspects of a website, backend developers work behind the scenes to ensure websites and applications function correctly and efficiently. Freelance backend developers typically work on a project basis for various clients, managing their own schedules and business operations. They often use programming languages like Python, Java, Ruby, PHP, or Node.js, and are responsible for tasks such as database management, server configuration, and integrating third-party services.

What are the key skills and qualifications needed to thrive as a freelance backend web developer?

To thrive as a Freelance Backend Web Developer, you need strong proficiency in server-side programming languages (such as Python, Node.js, or PHP), database management, and a solid understanding of web architecture, often supported by a relevant degree or proven project experience. Familiarity with frameworks (like Django, Express, or Laravel), version control systems (such as Git), and cloud platforms (AWS, Azure) is typically required. Excellent problem-solving, time management, and client communication skills set successful freelancers apart in this competitive field. These skills ensure you can deliver robust, scalable solutions, meet client expectations, and efficiently manage independent projects.

What are some common challenges freelance backend web developers face when working with multiple clients simultaneously?

Freelance backend web developers often juggle projects for several clients at once, which can present challenges in managing deadlines, aligning with different technical stacks, and maintaining clear communication. Each client may use unique frameworks or have distinct workflow expectations, requiring adaptability and strong organizational skills. Effective time management and clear documentation help ensure smooth collaboration and prevent misunderstandings throughout the development process.

Can a freelance backend web developer work as a freelancer?

A freelance backend web developer works independently and can choose to take on projects from clients directly, making freelancing their primary mode of employment. They typically need skills in server-side programming, databases, and relevant tools, and may set their own schedules and rates. Freelancers often find work through online platforms, networking, or personal marketing efforts.

How much does a freelance backend web developer make?

Freelance backend web developers typically earn between $30 and $150 per hour, depending on experience, skills, and project complexity. Annual income varies widely, often ranging from $50,000 to over $150,000 for experienced professionals working on high-value projects or with specialized expertise in languages like Python, Java, or Node.js.

What are the most commonly searched types of Backend Web Developer jobs in Wisconsin?

The most popular types of Backend Web Developer jobs in Wisconsin are:

Freelance Backend Web Developer jobs near you

Java Developer

Madison, WI • On-site

Resource Point LLC
IT Services • 51 - 200 employees
Learn more about Resource Point LLCexternal

$51.50 - $66.50/hr

Contractor

Re-posted 28 days ago

Job description

Looking for W-2 CANDIDATES ONLY who are authorized to work in the United States without the need for sponsorship. H-1B Transfers AND CORP-TO-CORP Candidates WILL NOT BE CONSIDERED for this position

Job Title: Java Developer

Location: Madison, WI

Duration: 6 Months

Required Skills & Years of Experience:   

  • 5+ years working with Java and spring framework/spring boot.
  • 5+ years in web applications development, web services, REST API and etc,.
  • 3+ years in Messaging Queues and Caching and related tools like Kafka and Redis.
  • 2+ years of work in Angular.
  • 5+ years working in Relational databases like Oracle.
  • Strong proficiency in Java, Spring Framework (Spring Boot), Hibernate/JPA, Message queuing, and caching.
  • Advanced skills in Angular (Angular 6+ required), Typescript, HTML5, and CSS3.
  • Experience designing, creating, and documenting RESTful API using Spring Boot and OpenAPI.
  • Practical knowledge of, and experience with, various middleware platforms like Apache Kafka, Redis, and BOOMI.
  • Familiarity with CI/CD pipelines, deployment automation, and dynamic environment configuration.
  • Experience developing wire frames and mock-ups as a tool to communicate design concepts with stakeholders.
  • Strong knowledge of relational databases.
  • Familiarity with cloud platforms like AWS, Azure, Google Cloud.
  • Excellent problem-solving and analytical skills.
  • Strong verbal and written communication skills.
  • Proven ability to work both independently and collaboratively in a team environment.
  • Knowledge of containerization and orchestration tools like Docker and Kubernetes.
  • Familiarity with Agile/Scrum, Iterative, and waterfall development methodologies.
     

Preferred Experience & Skills:

  • Dell Boomi, Dynatrace, Microsoft Azure Devops

Responsibilities:

  • Develop and maintain Java-based backend applications, ensuring high performance and scalability.
  • Good working experience using spring boot, messaging queues, caching and having good experience using Kafka, Redis and or equivalent tools.
  • Develop and maintain Angular-based front-end user interfaces with a focus on responsiveness, usability, and ADA/WCAG compliance.
  • Collaborate with cross-functional teams, including business analysts, and APM/QA engineers, to gather and implement requirements.
  • Create and maintain RESTful APIs for seamless integration between frontend and backend systems.
  • Troubleshoot and resolve technical issues, ensuring system reliability and robustness.
  • Stay up to date with industry trends, emerging technologies, and best practices in Java and Angular development.
  • Have good experience doing code reviews and contribute to code quality and standards to ensure high-quality product delivery.
  • Participate in the full software development lifecycle, including requirements gathering, design, coding, testing, and deployment