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Freelance Software Developer In Test Jobs in Missouri

Jobgether

We are currently looking for a (Senior) Freelance Web Developer in Netherlands. This opportunity is ... Strong understanding of software architecture, scalability, and performance optimization best ...

FCC Behavioral Health

Software Developer

Kennett, MO · On-site

Job Purpose The Software Developer is responsible for the on-going development and maintenance of ... Associate's degree in computer science or equivalent experience * Experience with development and ...

Walmart

Senior Software Developer

Anderson, MO

$90K - $180K/yr

As a Senior Software Engineer in Information Security, you will lead the design and implementation ... Collaborate with cross-functional teams to allocate resources, test, debug, and deploy complex ...

Walmart

Senior Software Developer

Noel, MO

$90K - $180K/yr

As a Senior Software Engineer in Information Security, you will lead the design and implementation ... Collaborate with cross-functional teams to allocate resources, test, debug, and deploy complex ...

Walmart

Senior Software Developer

Cassville, MO

$90K - $180K/yr

As a Senior Software Engineer in Information Security, you will lead the design and implementation ... Collaborate with cross-functional teams to allocate resources, test, debug, and deploy complex ...

Genesis10

Entry Level Software Developer

Saint Louis, MO · On-site

$60K/yr

This role requires willingness to relocate anywhere in the United States. Are you ready to break ... Now hiring for our Software Developer cohort starting in August of 2026. To apply, please submit ...

DCS Corp

Senior Level Software Developer

Saint Louis, MO

$53 - $70/hr

Participate in rapid prototyping to quickly iterate and improve solutions. Utilize modern ... test-driven development, or automated testing practices. Desired Skills: A Master of Science or ...

True Manufacturing

Software Developer

O Fallon, MO · On-site

Must embrace a service-oriented mentality with a high sense of ownership in fielding requests and ... Bachelor's degree in Computer Science, Engineering, related field OR equivalent combination of ...

True Manufacturing

Software Developer

O Fallon, MO

Must embrace a service-oriented mentality with a high sense of ownership in fielding requests and ... Bachelor's degree in Computer Science, Engineering, related field OR equivalent combination of ...

True Manufacturing

Software Developer

O Fallon, MO

Must embrace a service-oriented mentality with a high sense of ownership in fielding requests and ... Bachelor's degree in Computer Science, Engineering, related field OR equivalent combination of ...

True Manufacturing

Software Developer

O Fallon, MO · On-site

Must embrace a service-oriented mentality with a high sense of ownership in fielding requests and ... Bachelor's degree in Computer Science, Engineering, related field OR equivalent combination of ...

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Freelance Software Developer In Test information

What is the difference between Freelance Software Developer In Test vs Freelance QA Tester?

AspectFreelance Software Developer In TestFreelance QA Tester
CredentialsProgramming skills, testing frameworks, sometimes certifications like ISTQBTesting certifications, manual and automated testing skills
Work EnvironmentDevelops and maintains automated tests, collaborates with developersPerforms manual and automated testing, reports bugs
Industry UsageUsed in software development projects focusing on test automationUsed across various industries for quality assurance

While both roles focus on software quality, Freelance Software Developer In Test primarily develops automated testing solutions and integrates testing into development, whereas Freelance QA Tester conducts manual and automated tests to identify bugs. The Developer In Test often requires programming skills, while QA Testers may focus more on testing methodologies. Both are essential for ensuring software quality in freelance projects.

What cities in Missouri are hiring for Freelance Software Developer In Test jobs? Cities in Missouri with the most Freelance Software Developer In Test job openings:
Freelance Software Developer In Test jobs near you

(Senior) Freelance Web Developer

Jobgether

Remote

Contractor

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a (Senior) Freelance Web Developer in Netherlands.

This opportunity is ideal for an experienced full-stack developer who thrives in autonomous, fast-paced environments and enjoys building scalable digital products from the ground up. You will contribute to high-priority internal platforms and client-facing initiatives, playing a key role in shaping robust web applications and core technical infrastructure. The role combines hands-on engineering, architectural thinking, and operational ownership, offering the chance to work across modern frameworks, APIs, cloud environments, and deployment pipelines. You'll collaborate with distributed teams while maintaining a high degree of independence and accountability in your day-to-day work. This position is particularly suited to professionals who enjoy solving complex technical challenges, optimizing user experiences, and leveraging modern development practices and AI-assisted tooling to accelerate delivery and innovation.

Accountabilities:
  • Design, develop, and maintain high-performance web applications, services, and operational tools across frontend and backend environments.
  • Contribute to scalable system architecture, including API structures, data models, authentication systems, and cloud-based infrastructure.
  • Implement complex features and intuitive user interfaces from concept through deployment while ensuring maintainability and performance.
  • Integrate third-party services, APIs, and internal systems to enhance functionality and improve operational efficiency.
  • Optimize applications for accessibility, SEO, Core Web Vitals, and overall user experience in alignment with modern web standards.
  • Manage deployment workflows, CI/CD pipelines, and secure hosting environments to support reliable product delivery.
  • Troubleshoot technical issues independently, propose effective solutions proactively, and take ownership of deliverables with minimal supervision.
  • Produce and maintain clear technical documentation to support collaboration, scalability, and long-term maintainability.

Requirements:

  • 5+ years of professional experience delivering production-ready web applications and full-stack development projects.
  • Expert-level proficiency with modern JavaScript frameworks and strong hands-on experience with TypeScript, HTML5, and CSS.
  • Solid backend development expertise, including REST/GraphQL APIs, authentication systems, database interactions, and state management.
  • Experience with Tailwind CSS, CSS Modules, or other modern styling methodologies is highly valued.
  • Strong understanding of software architecture, scalability, and performance optimization best practices.
  • Proven experience with Git/GitHub workflows, branching strategies, and collaborative development processes.
  • Familiarity with cloud platforms such as AWS, Azure, or GCP, along with deployment automation and CI/CD pipelines.
  • Knowledge of accessibility standards (WCAG 2.1 AA), SEO principles, and Core Web Vitals optimization.
  • Comfortable leveraging AI-powered development tools and automation solutions to improve productivity and code quality.
  • Excellent English communication skills and the ability to collaborate effectively with technical and non-technical stakeholders.
  • Strong sense of ownership, adaptability, and the ability to work autonomously in a remote environment.

Benefits:

  • Fully remote freelance opportunity within CET 2 hours time zone compatibility.
  • Flexible workload with an expected commitment of 25-35 hours per week.
  • Initial 2-3 month contract with strong potential for long-term collaboration and expanded engagement.
  • Opportunity to work on impactful internal platforms and innovative web-based products.
  • High level of autonomy and ownership within a collaborative engineering environment.
  • Exposure to modern technologies, scalable architectures, and AI-assisted development workflows.
  • Flexible work schedule designed to support productivity and work-life balance.
  • Potential to transition into a long-term strategic partnership based on performance and mutual fit.
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. 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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