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Contract Frontend Developer Jobs in Missouri (NOW HIRING)

Mid-Level Software Engineer

Bridgeton, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Mid-Level Software Engineer

Saint Charles, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Mid-Level Software Engineer

Earth City, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Mid-Level Software Engineer

Fenton, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Mid-Level Software Engineer

Ballwin, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Mid-Level Software Engineer

Saint Ann, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Mid-Level Software Engineer

Florissant, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Mid-Level Software Engineer

Valley Park, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Mid-Level Software Engineer

Hazelwood, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Mid-Level Software Engineer

Chesterfield, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Mid-Level Software Engineer

Saint Louis, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Mid-Level Software Engineer

Arnold, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Mid-Level Software Engineer

Saint Louis, MO ยท On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ...

Showing results 41-60

Contract Frontend Developer information

What is a contract frontend developer?

Contract Frontend Developers are professionals hired on a temporary or project basis to build and maintain the user-facing parts of websites and web applications. They specialize in technologies like HTML, CSS, and JavaScript, and often work with frameworks such as React, Angular, or Vue.js. Unlike full-time employees, contract frontend developers typically work for a set duration or until the completion of specific tasks. Their flexible arrangement allows companies to scale development efforts according to project needs.

What are some common challenges contract frontend developers face when joining new projects, and how can they adapt quickly?

Contract Frontend Developers often need to ramp up rapidly with unfamiliar codebases and team workflows. Adapting quickly involves proactive communication with team members, thorough review of project documentation, and leveraging onboarding resources provided. Familiarity with popular frameworks and version control systems helps, but flexibility and a willingness to ask clarifying questions are key. Building rapport with the team and participating in code reviews can also accelerate the adaptation process.

What is the difference between Contract Frontend Developer vs Contract Web Developer?

AspectContract Frontend DeveloperContract Web Developer
Required SkillsHTML, CSS, JavaScript, frameworks like React or AngularHTML, CSS, JavaScript, backend integration, server-side scripting
Work EnvironmentFront-end focused, UI/UX design, client-side developmentFull-stack or backend focus, server management, database interaction
Industry UsageWeb applications, mobile apps, SaaS platformsWebsites, web applications, e-commerce platforms

Contract Frontend Developers specialize in creating the visual and interactive parts of websites and applications, focusing on client-side technologies. Contract Web Developers may handle both front-end and back-end tasks, working on the entire web development stack. While both roles require similar credentials, the Contract Frontend Developer role is more focused on UI/UX and front-end frameworks, making it ideal for projects emphasizing user interface design and interactivity.

What are the key skills and qualifications needed to thrive as a contract frontend developer?

To thrive as a Contract Frontend Developer, you need strong proficiency in HTML, CSS, JavaScript, and a solid understanding of modern frontend frameworks like React, Vue, or Angular, often supported by a relevant degree or bootcamp experience. Familiarity with version control systems (such as Git), build tools (Webpack, npm), and responsive design practices is typically required. Excellent problem-solving, communication, and time management skills help you adapt quickly and collaborate effectively with remote teams or multiple clients. These skills ensure timely, high-quality project delivery and seamless integration into diverse development environments.
What are the most commonly searched types of Frontend Developer jobs in Missouri? The most popular types of Frontend Developer jobs in Missouri are:
What are popular job titles related to Contract Frontend Developer jobs in Missouri? For Contract Frontend Developer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Contract Frontend Developer jobs in Missouri look for? The top searched job categories for Contract Frontend Developer jobs in Missouri are:
What cities in Missouri are hiring for Contract Frontend Developer jobs? Cities in Missouri with the most Contract Frontend Developer job openings:
Infographic showing various Contract Frontend Developer job openings in Missouri as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

Senior Full Stack Software Engineer (Contract Position)

6AM City, LLC

California, MO โ€ข On-site

$125 - $185/hr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 2 days ago

New


Job description

Job Description

www.offworld.ai

Senior Full Stack Software Engineer (Contract)

Based in Pasadena, CA

OffWorld is a robotics startup working on developing amobilerobotic workforce for heavy industrial jobs on Earth, Moon, asteroids & Mars. OffWorld was founded by an experienced engineering team drawing on decades of tackling formidable engineering challenges at NASA, ESA,NOAA,MaxarTechnologies, CERN, Reaction Engines, SAFRAN, Surrey Satellites and Cisco.OffWorld'sfirst challenge is developing and maturing a modular robotic system forextremeenvironmentson Earth. Ourrobots willgo deeper underground and farthest on Earth than humans can,eliminate the need for humans to work in life-threatening environmentsin mining, construction, tunneling and other dangerousindustries,and dramatically reduce the environmental footprint and cost ofoperationsin key economies on Earth and beyond.

We have designed a modular robotic architecture that focuses on maximizing the commonality and reusability across components for fast deployment and optimization. Our robotic systems combine sensor information, cutting edge classical/machine learning (ML) algorithms and a robotics real-time system platform for control, decision making and execution.

We are looking for a Senior Full Stack Software Engineer who will be responsible for the implementation of the real-time Software Platform architecture. You will be working with our Software Architect to implement key front and back-end functionality for the operation of our robots, including the user interface for swarm/multi-unit robot autonomous operations monitoring and exception management, data processing stack, fault detection, isolation and recovery handling, health management, process management, and other functions.

You will have the unique opportunity of developing systems for high end robots working as a swarm in extreme environments. Your work will be instrumental to ensure effective swarm autonomous operations is achieved with maximum human visualization and minimal human intervention. You will work with the Mechatronics, Machine Learning and Robotics & Controls engineers to ensure interfaces to the firmware, controls and ML modules is seamless.

Your work will entail both design and implementation of the full data processing layer for the real time operation of our swarm of robots, including telemetry, point cloud and other sensor related data processing. You will contribute to the design and implementation of intuitive interfaces (computer and smart pad displays, joysticks, and other types of interfaces) that can ensure low workload and maximum situational awareness for remote monitoring using low latency networking infrastructure. Experience with full stack software engineering for real time mobile app visualization is required. Human Centered Design and UX/UI design principles knowledge for effective operational decision making with minimum workload is a plus.

To hit the ground running, you need:

  • Bachelorsor higher in Computer Science, Software Engineering or equivalent with at least 5years of professional experience.
  • Experience in the development of full stack solutions for applications in robotics, IOT, industrial, automotive or equivalent.
  • Extensive experience in the design of core pieces of software architecture which address product requirements.
  • Extensive experience in developing full-stack software components covering software running on mobile applications and browser-based front-end UI applications. Directly applicable experience in IoT, autonomous cars or robotics is a plus.
  • Experience with the implementation of solutions for multiple platforms, such as computer, tablet and phone displays, as well as hybrid solutions (display and joystick, etc). VR/AR integration experience for the gamification of user interactions with specialized equipment is a plus.
  • Experience in developing polished web applications using Javascript, React, NodeJS and other advanced web technologies.
  • Experience in well-designed, reusable applications and libraries, working closely with end-users to map user problems and requirements into an intuitive, effective designs.
  • Experience with UX/UI design, including wireframing and workflow design in InVision or equivalent is a plus.
  • Knowledge of Python, C/C++. Experience with Redis, InfluxDB and other database technologies is a plus.
  • Knowledge of ROS is a plus.
  • Excellent verbal and written/online communication skills.
  • Demonstrated ability to manage and organize your work to meet deadlines. Comfortable multi-tasking/working on different projects concurrently.
  • Self-driven, passionate, and constantly pursuing knowledge and excellence.
  • Nothing-is-impossible attitude

In a nutshell, we offer the:

  • Opportunity to sink your teeth into cutting edge industrial robotics problems
  • Opportunity to contribute to the mission of transforming how we mine on Earth today and how we will one day mine on the Moon, asteroids & Mars
  • Opportunity to work with a kind, brilliant and supportive team
  • Opportunityto join theOffWorldteam if
    • You are as crazy-excited about the mission as we are
    • Youโ€™ve demonstrated you are The Right Stuff

Expected Compensation:

  • $125,000 - $185,000/annual salary + stock awards + benefits

Our benefits package includes the following:

  • Robust medical plan offerings with 0 to limited paycheck deductions
  • Dental and vision insurance
  • Unlimited Paid Time Off
  • Paternal Leave
  • 401K Match

Pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. The total compensation package for this position may also include other elements dependent on the position offered. Details of participation in these benefit plans will be provided if an employee receives an offer of employment.

OffWorld is an Equal Opportunity / Affinity Action employer committed to diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, age, national origin, disability, protected veteran status, gender identity or any other factor protected by applicable federal, state or local laws.

OffWorld is also committed to working with and providing reasonable accommodations to individuals with disabilities. Please let your recruiter know if you need an accommodation at any point during the interview process.

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