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Freelance Frontend Javascript Developer Jobs in Wisconsin

Vortex Optics is looking for a full-stack Developer that is proficient in both front-end and ... PHP, JavaScript, CSS LESS * Hands on experience with development tools and platforms (jQuery, NGINX ...

Vortex Optics is looking for a full-stack Developer that is proficient in both front-end and ... PHP, JavaScript, CSS LESS * Hands on experience with development tools and platforms (jQuery, NGINX ...

Vortex Optics is looking for a full-stack Developer that is proficient in both front-end and ... PHP, JavaScript, CSS LESS * Hands on experience with development tools and platforms (jQuery, NGINX ...

Vortex Optics is looking for a full-stack Developer that is proficient in both front-end and ... PHP, JavaScript, CSS LESS * Hands on experience with development tools and platforms (jQuery, NGINX ...

... JavaScript, Telerik Kendo, CSS, HTML and SQL Server. The application will require experience ... Project duties include requirements analysis, design, front-end and back-end web application ...

NET MVC / .NET 8 applications using JavaScript, Blazor, and Kendo UI * Enhancements to legacy ... Analyze requirements, design solutions, and develop front-end & server-side components. * Develop ...

$55.25 - $71.25/hr

... frontend development using JavaScript/TypeScript with React or Angular. You will collaborate ... DevOps teams Contribute to the continuous improvement of development processes and tools Ensure ...

Lead Software Developer

Eau Claire, WI

$114K - $144K/yr

Lead Software Developer Job Type : Full-Time, Non-exempt Pay: Hourly, Biweekly Schedule: Monday ... Apex/Lightning/Aura/HTML/CSS/Javascript - Salesforce back-end/front-end languages * React/HTML/SCSS ...

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Freelance Frontend Javascript Developer information

What is the difference between Freelance Frontend Javascript Developer vs Web Designer?

AspectFreelance Frontend Javascript DeveloperWeb Designer
SkillsProficient in JavaScript, HTML, CSS, frameworks like React or AngularDesign principles, UI/UX, graphic tools like Adobe Photoshop or Sketch
Work EnvironmentCode-focused, technical tasks, often collaborating with developers and clientsCreative, visual design, client presentations, branding
Common UsageBuilding interactive websites and web applicationsCreating website layouts, visual elements, and user interfaces

While both roles work on websites, Freelance Frontend Javascript Developers focus on coding and functionality, whereas Web Designers concentrate on visual design and user experience. Understanding these differences helps clients find the right expertise for their projects.

What are the key skills and qualifications needed to thrive as a Freelance Frontend Javascript Developer, and why are they important?

To thrive as a Freelance Frontend Javascript Developer, you need strong proficiency in JavaScript, HTML, CSS, and a solid understanding of popular frameworks like React or Vue, typically demonstrated through a robust portfolio. Familiarity with version control systems like Git, responsive design principles, and task runners or bundlers such as Webpack is highly valuable. Excellent communication, time management, and problem-solving skills help freelancers effectively coordinate with clients and deliver projects independently. These skills and qualities are crucial for producing high-quality, maintainable code while meeting client expectations and deadlines in a competitive freelance market.

How do Freelance Frontend Javascript Developers typically manage client expectations and project timelines?

Freelance Frontend Javascript Developers often work with multiple clients, which requires clear communication to set realistic expectations and deadlines. They usually break projects into milestones, provide regular progress updates, and use project management tools to track deliverables. Managing client expectations involves being upfront about technical limitations, estimated completion times, and potential challenges. Strong organizational skills and proactive communication are essential for building trust and ensuring successful project delivery.

What does a Freelance Frontend JavaScript Developer do?

A Freelance Frontend JavaScript Developer creates and maintains the parts of websites and web applications that users interact with, using JavaScript along with HTML and CSS. They typically work independently, taking on projects for various clients rather than being employed by a single company. Their responsibilities include building responsive user interfaces, optimizing website performance, and ensuring cross-browser compatibility. Freelancers also communicate directly with clients to meet specific project requirements and deadlines.
What are the most commonly searched types of Frontend Javascript Developer jobs in Wisconsin? The most popular types of Frontend Javascript Developer jobs in Wisconsin are:
Geospatial Front End Developer Multiple Positions at Junior/Mid/Senior Levels

Geospatial Front End Developer Multiple Positions at Junior/Mid/Senior Levels

NV5

Sun Prairie, WI • On-site

$101K - $117K/yr

Full-time

Medical, Dental, Life, Retirement

Posted 10 days ago


NV5 rating

8.3

Company rating: 8.3 out of 10

Based on 20 frontline employees who took The Breakroom Quiz

96th of 355 rated engineering


Job description

Geospatial Front End Developer – Multiple Positions at Junior/Mid/Senior Levels

NV5 Geospatial (NV5G) is actively recruiting qualified and cleared Geospatial Front End Developers to support national security client sites in the Northern Virginia and St. Louis, MO areas. Candidates will develop visualization software to understand data where proximity and location matter. Your work will help developer communities re-imagine the capabilities of location-aware software applications that enable real-world improvements. A Top Secret Clearance with SCI eligibility or an active TS/SCI are required conditions of employment.

Work Environment:

  • Location:  Northern Virginia Area (Springfield, VA and/or Vienna, VA)
  • Travel up to 15% of the time

At NV5, we are a collaboration of intelligent, innovative thinkers who care for each other, our communities, and the environment.  We value both heart and head, the diversity of our people, and their experiences because that is how we continue to grow as a leader in our industry and expand our individual and collective potential.

NV5 is a global technology solutions and consulting services company with a workforce of over 4,500 professionals in more than 100 offices worldwide.  NV5’s continued growth has been spurred through strategic investments in firms with unique capabilities to help current and future customers solve the world’s toughest problems.  The NV5 family brings together talent across a wide range of markets and fields, including Professional Engineers, Professional Land Surveyors, Architects, Photogrammetrists, GIS Professionals, Software Developers, IT, Project Management Professionals, and more.


  • Design, develop, and maintain front-end services and APIs
  • Collaborate with front-end developers and stakeholders to deliver end-to-end solutions
  • Build and enhance CI/CD pipelines to improve deployment speed and reliability
  • Ensure application performance, security, and scalability
  • Participate in code reviews and contribute to engineering best practices
  • Maintain production systems and resolve issues as required

Required Qualifications:

  • US citizenship with Active or Current (within two years of active) Top Secret Security Clearance with SCI eligibility
  • Bachelor’s degree in Computer Science, Mathematics, Geographic Information Systems (GIS), or STEM-related field
  • 2+ years of experience with web design and web front end development
  • Proven web design/development experience using HTML5, CSS3, TypeScript and JavaScript
  • Experience with front-end development libraries, such as React, Angular, Vue, etc.
  • Background building high availability and high scalability solutions
  • Excellent written and verbal communication skills; strong interpersonal skills
  • Creative problem-solving skills and proven good judgement
  • Highly detail oriented with excellent organization, analytical, and time management skills

Preferred Qualifications:

  • Master’s degree in Computer Science, Mathematics, Geographic Information Systems (GIS), or STEM-related field
  • Esri certification
  • CompTIA Security+ certification
  • Experience with containerization technologies such as Docker and Kubernetes
  • Familiarity with cloud platforms (Azure, AWS, or GCP)
  • Experience with monitoring, logging, and observability tools
  • Exposure to DevSecOps practice and secure development pipelines
  • Experience working in Agile or Scrum development environments

Clearance Requirement:

  • Active/Current Top Secret Clearance with SCI Eligibility

NV5 offers a competitive compensation and benefits package including medical, dental, life insurance, FTO, 401(k) and professional development/advancement opportunities.

Employment is contingent upon successful completion of a background check and drug screening.

NV5 provides equal employment opportunities (EEO) to all applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state, and local laws. NV5 complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

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What NV5 employees say

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About NV5

Sourced by ZipRecruiter

NV5 is a renowned company based in Los Angeles, CA, US, that operates in the architecture, engineering, and consulting industry. Officially established in 2009, this company provides technical engineering and consulting solutions that cater to public and private sectors globally. The firm is adept in a wide range of services, including infrastructure, energy, construction, program management, and environmental services. As part of its mission, NV5 seeks to deliver solutions that enhance communities and safeguard the environment meticulously.

Industry

Civil engineering construction

Company size

1,001 - 5,000 Employees

Headquarters location

Los Angeles, CA, US