The position requires an engineering mindset focused on reliability, traceability, and handling ... Freelance or project-based experience is suitable for this engagement. Benefits * 100% remote ...
The position requires an engineering mindset focused on reliability, traceability, and handling ... Freelance or project-based experience is suitable for this engagement. Benefits * 100% remote ...
Marketing Specialist
Saint Louis, MO · On-site
... programming and events at the Glade. The Marketing Specialist will coordinate with the Communications & Marketing team and external agencies, vendors and/or freelancers to plan, implement and ...
Marketing Specialist
Saint Louis, MO · On-site
... programming and events at the Glade. The Marketing Specialist will coordinate with the Communications & Marketing team and external agencies, vendors and/or freelancers to plan, implement and ...
Senior Manager, Social Media Marketing
California, MO · On-site
$120 - $180/hr
Partner with Brand Marketing, Creative, Editorial, Communications, Product Marketing, Media, and Programming teams * Brief and guide internal creative teams, agencies, freelancers, and other partners
Senior Manager, Social Media Marketing
California, MO · On-site
$120 - $180/hr
Partner with Brand Marketing, Creative, Editorial, Communications, Product Marketing, Media, and Programming teams * Brief and guide internal creative teams, agencies, freelancers, and other partners
Engineering & Software Domain Expert Mercor · Bay Area, CA $65-105/hr →
California, MO · On-site
$180 - $240/hr
Your engineering expertise is the substance of this role. You will review the quality of ... Roles hired through Cincinnatus are not project-based or freelance engagements. They are structured ...
Engineering & Software Domain Expert Mercor · Bay Area, CA $65-105/hr →
California, MO · On-site
$180 - $240/hr
Your engineering expertise is the substance of this role. You will review the quality of ... Roles hired through Cincinnatus are not project-based or freelance engagements. They are structured ...
Builder - Head of Creative & Brand
California, MO · On-site
$150 - $190/hr
Experience managing designers, agencies, and freelancers. Nice to haves: * Background in AI, data infrastructure, or developer tools. * Strong network in the B2B SaaS or AI space. What we offer:
Builder - Head of Creative & Brand
California, MO · On-site
$150 - $190/hr
Experience managing designers, agencies, and freelancers. Nice to haves: * Background in AI, data infrastructure, or developer tools. * Strong network in the B2B SaaS or AI space. What we offer:
Marketing Specialist
Saint Louis, MO · On-site
... programming and events at the Glade. The Marketing Specialist will coordinate with the Communications & Marketing team and external agencies, vendors and/or freelancers to plan, implement and ...
Marketing Specialist
Saint Louis, MO · On-site
... programming and events at the Glade. The Marketing Specialist will coordinate with the Communications & Marketing team and external agencies, vendors and/or freelancers to plan, implement and ...
You will collaborate with researchers, strategists, designers, developers, clients, and senior ... or freelance environment. * Strong portfolio demonstrating polished, high-fidelity UI and web ...
New
You will collaborate with researchers, strategists, designers, developers, clients, and senior ... or freelance environment. * Strong portfolio demonstrating polished, high-fidelity UI and web ...
New
You will partner closely with Quality, Engineering, Automation, IT/OT, laboratory, and project ... Freelance / contract engagement. * Full-time allocation of approximately 40 hours per week.
You will partner closely with Quality, Engineering, Automation, IT/OT, laboratory, and project ... Freelance / contract engagement. * Full-time allocation of approximately 40 hours per week.
Collaborate with designers, developers, marketers, merchandisers, and business partners to complete ... Internship, freelance, academic, or hands-on experience publishing website content or working with ...
Collaborate with designers, developers, marketers, merchandisers, and business partners to complete ... Internship, freelance, academic, or hands-on experience publishing website content or working with ...
Partner with internal designers, external agencies, developers, and other creative specialists by ... Freelance contract with a senior-level role and significant influence over brand and creative ...
Partner with internal designers, external agencies, developers, and other creative specialists by ... Freelance contract with a senior-level role and significant influence over brand and creative ...
... job, freelance work, retirement, or other activities. Instructors typically teach two to four ... Camps, after-school programs, childcare, or youth programming * Working with groups of elementary ...
Quick apply
... job, freelance work, retirement, or other activities. Instructors typically teach two to four ... Camps, after-school programs, childcare, or youth programming * Working with groups of elementary ...
After-School Science Instructor - Part-Time Weekday Afternoons
MO · On-site
$20/hr
... freelance work, retirement, or other activities. What the Position Looks Like Mad Science ... Science, technology, engineering, education, or related coursework * Coaching or leading activities ...
After-School Science Instructor - Part-Time Weekday Afternoons
MO · On-site
$20/hr
... freelance work, retirement, or other activities. What the Position Looks Like Mad Science ... Science, technology, engineering, education, or related coursework * Coaching or leading activities ...
Working directly with product and engineering teams, you will help shape the systems and processes ... Freelance, full-time engagement. * 100% remote work from anywhere in Europe. * Flexible working ...
New
Working directly with product and engineering teams, you will help shape the systems and processes ... Freelance, full-time engagement. * 100% remote work from anywhere in Europe. * Flexible working ...
New
... freelance work, retirement, or other activities. What the Position Looks Like Mad Science ... chemistry, physics, engineering, electricity, space, forces, motion, and more. Your ...
Quick apply
... freelance work, retirement, or other activities. What the Position Looks Like Mad Science ... chemistry, physics, engineering, electricity, space, forces, motion, and more. Your ...
... job, freelance work, retirement, or other activities. Instructors typically teach two to four ... Camps, after-school programs, childcare, or youth programming * Working with groups of elementary ...
... job, freelance work, retirement, or other activities. Instructors typically teach two to four ... Camps, after-school programs, childcare, or youth programming * Working with groups of elementary ...
$8 - $65/hr
... engineering and evaluation metrics. A bachelor's, master's, or PhD in a science field is ideal; teaching experience, published work, lab or field research, or science communication projects signal ...
$8 - $65/hr
... engineering and evaluation metrics. A bachelor's, master's, or PhD in a science field is ideal; teaching experience, published work, lab or field research, or science communication projects signal ...
$65/hr
... engineering and evaluation metrics. A master's or PhD in mathematics or a closely related quantitative field is ideal; peerreviewed publications, teaching experience, research in pure or applied ...
$65/hr
... engineering and evaluation metrics. A master's or PhD in mathematics or a closely related quantitative field is ideal; peerreviewed publications, teaching experience, research in pure or applied ...
Own the product design track, briefing and coordinating freelance design support while ensuring ... Work closely with engineering, strategy, media specialists, partner teams, and other stakeholders ...
New
Own the product design track, briefing and coordinating freelance design support while ensuring ... Work closely with engineering, strategy, media specialists, partner teams, and other stakeholders ...
New
Programming Freelance information
What is a programming freelance?
Programming freelancers are independent professionals who offer their coding, software development, or related technical skills to clients on a project-by-project basis. Unlike full-time employees, freelancers work for themselves, often managing multiple projects for different clients simultaneously. They may specialize in specific programming languages, frameworks, or industries, and are responsible for finding their own work, negotiating rates, and managing their workloads. Freelance programmers enjoy flexibility in choosing their projects and schedules, but also take on the challenges of self-employment, such as finding clients and handling taxes.
What are freelance programming jobs?
As a freelance programmer, your responsibilities are to develop programs, write code, design software, troubleshoot and update systems, and complete projects as an independent party on a contract basis. Programming jobs include websites, mobile apps, company systems, and more. You can work as a generalist, taking on assignments in various industries with general knowledge of multiple programs, or work as a specialist programmer and focus on one industry, programming language, or specific skill. Freelance programming jobs are typically temporary positions for a company and you are paid a previously agreed amount per job.
What are the key skills and qualifications needed to thrive as a programming freelance?
To succeed as a Programming Freelancer, you need strong coding skills in relevant languages, a solid portfolio of completed projects, and often a degree or certification in computer science or a related field. Familiarity with version control systems (like Git), popular frameworks, and freelancing platforms is highly beneficial. Excellent self-management, communication, and problem-solving abilities set top freelancers apart by ensuring client satisfaction and project delivery. These skills are crucial for building a reliable reputation, meeting client expectations, and securing ongoing work in a competitive market.
How do programming freelancers typically manage multiple client projects and deadlines effectively?
Freelance programmers often juggle several projects at once, which requires strong organizational and time management skills. They commonly use project management tools, set clear expectations with clients, and break projects into manageable tasks with specific milestones. Communication is key—regular updates and proactive discussions about timelines help prevent misunderstandings. Additionally, successful freelancers build buffer time into their schedules to accommodate unexpected issues or urgent client requests.
What is the difference between Programming Freelance vs Software Developer?
| Aspect | Programming Freelance | Software Developer |
|---|---|---|
| Credentials | Self-taught or certifications, no formal degree required | Bachelor's or higher in Computer Science or related field |
| Work Environment | Remote, independent projects, flexible hours | Typically office-based or remote, employed by a company |
| Employer & Industry Usage | Clients, startups, agencies; freelance platforms | Tech companies, corporations, startups; full-time employment |
| Search & Comparison Intent | Freelance opportunities, project-based work | Full-time roles, career growth, company benefits |
Programming Freelance involves independent, project-based work often done remotely for various clients, requiring self-motivation and diverse skills. Software Developers usually work as part of a team within a company, focusing on long-term projects and career development. Both roles require programming skills, but their work settings, employment status, and career paths differ significantly.
How to get into freelance programming?
To start as a freelance programmer, build a strong portfolio showcasing your skills, gain experience through personal projects or internships, and create profiles on freelance platforms like Upwork or Freelancer. Developing proficiency in relevant programming languages and tools, along with good communication skills, helps attract clients and secure projects.
More about Programming Freelance jobs
What are the most commonly searched types of Programming jobs in Missouri?
The most popular types of Programming jobs in Missouri are:
What are popular job titles related to Programming Freelance jobs in Missouri?
For Programming Freelance jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Programming Freelance jobs in Missouri look for?
The top searched job categories for Programming Freelance jobs in Missouri are:
What cities in Missouri are hiring for Programming Freelance jobs?
Cities in Missouri with the most Programming Freelance job openings:
Full-time
Posted 10 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 Backend Engineer - API Integrationen, Connectoren, Worker/Jobs, Mailer Service, QA based in Netherlands.
This role is an opportunity to build robust backend systems and integrations that connect critical business platforms and services. You'll work across APIs, connectors, background jobs, messaging, email delivery, persistence, and quality assurance. The position requires an engineering mindset focused on reliability, traceability, and handling real-world failure scenarios rather than relying on happy-path implementations. You'll design integrations that remain resilient through rate limits, webhooks, timeouts, retries, and other operational challenges. Working on a project basis, you'll have significant ownership over technical deliverables and architecture decisions. This is a strong fit for a backend engineer who enjoys solving complex integration problems and building dependable production systems.
Accountabilities
- Build and maintain production-ready API integrations and connectors, prioritizing Box and HubSpot, followed by Microsoft Graph, Asana, and billing-related systems.
- Implement reliable authentication and integration patterns using OAuth, webhooks, pagination, rate limits, retries, and robust error handling.
- Design and develop queue-driven, stateful, and replayable workers and background jobs.
- Build and maintain a mailer service supporting PDF attachments, structured logging, retry mechanisms, delivery checks, and deduplication/idempotency.
- Design database schemas and implement clean, reliable migrations using PostgreSQL or comparable technologies.
- Implement audit events and persistent traceability mechanisms, including correlation IDs and observability across distributed processes.
- Develop comprehensive QA coverage, including contract tests, integration tests, and end-to-end regression testing for critical workflows such as document delivery and deadline-related processes.
- Use Docker, queue/eventing technologies, and observability practices to support reliable deployment and operation of backend services.
- Proactively identify failure modes and strengthen systems against timeouts, webhook failures, rate limiting, retries, duplicate events, and other production scenarios.
- Strong professional track record in backend engineering, with proficiency in Python, Node.js, Go, or a comparable backend technology.
- Proven experience building and maintaining production API integrations, including OAuth, webhooks, pagination, rate limits, authentication, and error handling.
- Solid understanding of relational databases, schema design, data persistence, and safe database migrations.
- Strong testing mindset with experience implementing contract, integration, unit, and/or end-to-end tests.
- Experience developing asynchronous, queue-based, or event-driven systems and background workers.
- Understanding of reliability engineering principles, including idempotency, retries, replayability, deduplication, observability, and failure-mode analysis.
- Experience working with Docker and modern backend development and deployment workflows.
- Familiarity with PostgreSQL, queue/eventing systems, and application monitoring or observability tools.
- Strong problem-solving skills and the ability to design systems that remain reliable outside of ideal or "happy path" scenarios.
- Ability to work independently, take ownership of technical deliverables, and communicate clearly in a remote project environment.
- Availability to work remotely, ideally aligned with Central European Time (CET) or European working hours.
- Freelance or project-based experience is suitable for this engagement.
- 100% remote working arrangement.
- Flexible project-based engagement with workload agreed upon according to availability and project needs.
- Full-time or part-time engagement options.
- Freelance contract structure.
- Opportunity to work on technically challenging API integrations, worker systems, messaging infrastructure, and QA automation.
- Significant ownership over backend architecture, implementation, reliability, and delivery.
- Opportunity to start as soon as possible.
- Collaboration within an international and digitally focused professional environment.
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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