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Freelance Remote Frontend Developer Jobs in Missouri

Jobgether

This is a collaborative, remote role in a fast-moving environment where ownership, curiosity, and ... front-end interfaces. * Collaborate closely with product owners, architects, technical leads ...

Jobgether

... stable, developer-first SaaS platform. You will work hands-on across backend and frontend ... You will join a small, experienced, remote-first engineering team where autonomy, speed, quality ...

Third-Party Job Posts

Remote (Europe) How You'll Make an Impact: As a Staff Software Engineer in Revenue Intelligence ... Our systems span frontend experiences, APIs, distributed services, data processing, machine ...

MasterCard

Senior Software Engineer- RPPS Platform

O Fallon, MO · Remote

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... RPPS (Remote Payment and Presentment System) platform team. This team develops and supports ... The position requires strong expertise in Java, Spring Boot, API development, and modern front-end ...

Jobgether

$44.25 - $59.50/hr

Join a fully remote engineering team focused on building scalable, high-performance backend ... exposure to frontend technologies or UI design. * Experience with Docker, Kubernetes, Kafka ...

Ascension

Senior Fullstack Software Engineer

Saint Louis, MO · Remote

$128K - $178K/yr

  • Medical

  • PTO

Remote Department: Studio Engineering Product Delivery Schedule: Full-time Salary: $128,054.78 ... Build modern, responsive front-end user interfaces using Next.js, React, and TypeScript to ensure ...

BAI

Software Engineer

Saint Louis, MO · On-site +1

$75K - $95K/yr

  • Retirement

  • PTO

... DevOps. * Proficiency in C# and other .NET-based languages, with experience maintaining both legacy ... Solid understanding of front-end technologies including HTML, CSS, JavaScript, and React.JS, and ...

ProSight Financial Association

Software Engineer

Saint Louis, MO · On-site +1

$75K - $95K/yr

  • Retirement

  • PTO

... DevOps. * Proficiency in C# and other .NET-based languages, with experience maintaining both legacy ... Solid understanding of front-end technologies including HTML, CSS, JavaScript, and React.JS, and ...

BAI

Advanced Software Engineer

Saint Louis, MO · On-site +1

$85K - $115K/yr

  • Retirement

  • PTO

... DevOps. * Proficiency in C# and other .NET-based languages, with experience maintaining both legacy ... Solid understanding of front-end technologies including HTML, CSS, JavaScript, and React.JS, and ...

EXANTE

Remote/ Hybrid Responsibilities: * Own assigned problems end-to-end - discover the need with ... with no developer handoff * Build and ship working internal tools/apps (front-end, backend, data ...

The Timberline Group

Dynatrace Engineer

Saint Louis, MO · On-site +1

This team does monitoring across IT - back and front-end. Application performance monitoring is ... A few years of experience with Dynatrace is required (3) Fully remote is okay, prefer to be within ...

Jobgether

This is a high-impact remote role where your creativity and expertise will directly shape digital ... Collaborate closely with developers to ensure accurate and effective design implementation.

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Freelance Remote Frontend Developer information

What is the difference between Freelance Remote Frontend Developer vs Freelance Remote Backend Developer?

AspectFreelance Remote Frontend DeveloperFreelance Remote Backend Developer
SkillsHTML, CSS, JavaScript, frameworks like React or AngularServer-side languages like Python, Ruby, PHP, Node.js
Work EnvironmentRemote, project-based, client-focusedRemote, project-based, client-focused
CertificationsWeb development certifications, portfolioBackend development certifications, portfolio
Industry UsageWeb design agencies, startups, tech companiesWeb services, SaaS companies, tech firms

Both roles are freelance, remote, and project-based, requiring technical skills and portfolios. The main difference lies in their technical focus: frontend developers handle user interfaces and client-side code, while backend developers work on server-side logic and databases. Your choice depends on your expertise and career goals within web development.

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For Freelance Remote Frontend Developer jobs in Missouri, the most frequently searched job titles are:

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The top searched job categories for Freelance Remote Frontend Developer jobs in Missouri are:

What cities in Missouri are hiring for Freelance Remote Frontend Developer jobs?

Cities in Missouri with the most Freelance Remote Frontend Developer job openings:

Freelance Remote Frontend Developer jobs near you

Senior QA Automation Engineer

Jobgether

Remote

Full-time

Posted 8 days ago

Job description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior QA Automation Engineer based in Netherlands.

As a Senior QA Automation Engineer, you'll champion a quality-first mindset across an agile software development environment. You'll contribute throughout the full software development lifecycle, from requirements refinement and test strategy through release validation. The role combines hands-on testing, automation, backend validation, API testing, database testing, and exploratory testing. You'll work closely with product, architecture, engineering, and quality teams to identify risks early and improve testability. As the automation expert within the team, you'll help build and maintain robust automated test suites for new and existing functionality. You'll also have the opportunity to influence engineering practices and raise software quality beyond your immediate team. This is a collaborative, remote role in a fast-moving environment where ownership, curiosity, and continuous improvement are highly valued.

Accountabilities
  • Contribute to feature refinement by challenging assumptions, clarifying requirements, identifying edge cases, and assessing system architecture and testability.
  • Develop and formalize comprehensive test strategies covering test scenarios, integration points, test data, APIs, applications, queues, databases, and result verification.
  • Deploy and configure software updates in QA environments and execute functional, integration, regression, exploratory, and end-to-end tests.
  • Investigate defects, identify root causes where possible, and document bugs with clear, accurate reproduction steps and supporting information.
  • Validate completed functionality and provide production sign-off when quality and acceptance criteria have been met.
  • Drive test automation for both new and existing features, working closely with quality engineering leadership to maintain reliable and effective automated test suites.
  • Act as the team's automation specialist and promote quality engineering practices across the wider development organization.
  • Perform backend testing through multiple interaction methods, including REST APIs, message queues, databases, and front-end interfaces.
  • Collaborate closely with product owners, architects, technical leads, developers, and other stakeholders throughout the software development lifecycle.
  • Advocate for quality, usability, testability, and continuous improvement while managing and reprioritizing multiple workstreams in a dynamic environment.
  • During the first 90 days, build a strong understanding of the products, customers, teams, tools, and processes, while establishing relationships and contributing to the team's quality goals.
  • Participate actively in feedback, professional development, and continuous improvement initiatives.
Requirements
  • 5-8+ years of proven experience working as a QA tester or QA engineer within an Agile software development environment.
  • Strong experience developing test strategies, defining test scenarios, and writing detailed test cases.
  • Extensive experience testing backend systems using multiple approaches, including REST APIs, message queues, databases, and front-end interfaces.
  • Strong SQL skills and practical experience with relational database tools such as DBeaver, SQL Server, or MySQL Workbench.
  • Experience creating or seeding databases with test data is an advantage.
  • Solid understanding and hands-on experience with Git and version control workflows.
  • Experience working with cloud platforms such as AWS, Azure, or GCP; familiarity with AWS services including EKS, RDS, SQS, and API Gateway is a plus.
  • Hands-on experience with API testing and documentation tools such as Swagger, Bruno, and Postman.
  • Experience writing and maintaining test scripts using JavaScript.
  • Knowledge of configuring mocks for isolated service testing is highly desirable.
  • Strong exploratory testing skills, with a sharp eye for functional defects, edge cases, usability concerns, and unexpected behavior.
  • Excellent troubleshooting and analytical abilities, with the capacity to investigate issues and communicate findings clearly and efficiently.
  • Strong organizational and multitasking skills, with the flexibility to manage competing priorities in a fast-paced environment.
  • A proactive, collaborative mindset with the confidence to challenge assumptions and advocate for quality.
  • At senior level, the ability to influence software quality beyond your immediate team and contribute to broader engineering improvements.
  • Strong ownership, curiosity, communication, and continuous-learning skills.
Benefits
  • Fully remote working environment.
  • Opportunity to work within a diverse, international team spanning multiple countries and cultures.
  • Meaningful opportunity to contribute to technology that improves financial access and supports communities.
  • High level of trust, autonomy, and ownership without unnecessary bureaucracy.
  • Collaborative culture focused on customer impact, experimentation, learning, and continuous improvement.
  • Opportunities to influence quality engineering practices beyond your immediate team.
  • Structured career and development conversations, including the opportunity to create a training and career growth plan aligned with your goals.
  • Regular feedback and opportunities to learn from experienced colleagues across product, engineering, and other functions.
  • A supportive environment that values well-being, collaboration, accountability, and having fun while doing meaningful work.
  • Competitive compensation and benefits package, subject to the applicable employment location and hiring arrangement.
How Jobgether works:
We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.
We appreciate your interest and wish you the best!
 Why Apply Through Jobgether? 
 
Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.
 
 
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We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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