
Milliók használják a Freelancer oldalát ötleteik megvalósítására.
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8,6
8,6
94%

Lilongwe, Malawi
$50 USD óránként
Do you have Windows software developing needs? Then I promise, I’m the freelancer you’ve been looking for. I am a software developer with over 25 years experience, with development projects spanning a number of different languages, including: - Delphi - MS-Access/VBA - MS-Excel/VBA - VB6 - VB.Net/C#.Net - DBase/Foxpro/Visual Foxpro - SQL Server/T-SQL - Firebird - MySQL - PHP - Oracle Database - PostgreSQL I never shy away from a project, no matter what kind of language, parameters, or client needs are attached to it. My designs are turnkey, allowing for quick and easy access and use. All designs and developments come with support and troubleshooting, as I’d never expect a client to fix anything that I created. I also offer licensing, commercialization and marketing services for all products. I’m available in any timezone, and can always be reached via Freelancer.com’s “Hire Me Now” button. If you have any questions about software tools like Visual Studio or PHP, or any general questions about what you need accomplished, reach out! I’m waiting and ready to take your project from seedling to full-grown!

9,6
9,6
98%

coimbatore, India
$18 USD óránként
Welcome to STALLIONi Net Solutions — a trusted web development team with 18+ years of experience and 900+ reviews on Freelancer.com. We build digital solutions that work — on time, on budget, and exactly as promised. What We Do: • Web Design & Development — HTML, CSS, JavaScript, ReactJS, AngularJS • Backend Development — PHP, Laravel, CodeIgniter, Node.js • CMS & eCommerce — WordPress, Shopify, Magento, Joomla • CRM & Automation — Zoho CRM, GoHighLevel, Zapier, QuickBase • Mobile Apps — iOS & Android (native & cross-platform) • AI & Python — Chatbot development & smart integrations • Graphic Design — Branding, UI/UX, digital assets Whether you're launching a new product, scaling an existing platform, or automating your business workflows — we bring the technical depth and communication skills to get it done right. Let's build something great together. + Team STALLIONi

9,5
9,5
96%

indore, India
$10 USD óránként
⚡ Welcome to Votive Technologies Your trusted partner for high-quality Web Development and Mobile App Development solutions. ⚡Who We Are Votive Technologies is driven by a team of technology experts based in India and across the globe. We specialize in Web Development and Mobile App Development, delivering high-quality, scalable, and user-friendly digital solutions tailored to your business needs. Our core team of developers and designers ensures seamless execution of new projects, while our business analysts assist clients in understanding and finalizing their requirements. At Votive, we believe in collaborating closely with clients, making them feel as though they are working with their dedicated virtual team. ⚡Why Choose Us? ✅ Experienced Team – Skilled developers with expertise in modern frameworks & technologies ✅ Client-Centric Approach – We prioritize your vision and deliver solutions that drive results ✅ Quality Assurance – Rigorous testing to ensure bug-free, high-performance applications ✅ Timely Delivery – Efficient project management to meet deadlines without compromising quality ✅ Affordable & Transparent Pricing – Competitive rates with no hidden costs --- ⚡ Our Services ➡️ Custom Website Development – WordPress, React, Next.js, Node.js, PHP, Laravel, Python ➡️ Mobile App Development – iOS & Android apps using React Native & Flutter ➡️ E-commerce Solutions – Shopify, WooCommerce, Custom Stores ➡️ Marketplace Development – Service-based & product-based platforms ➡️ UI/UX Design – User-friendly, intuitive interfaces for better engagement ➡️ API & Payment Gateway Integration – Stripe, PayPal, Razorpay, TWINT, and more ➡️ SaaS & Web Apps – Scalable cloud-based solutions for businesses ➡️ Maintenance & Support – Post-launch updates, bug fixes, and performance optimization ⚡ Industries We Serve ✔️ (Healthcare) | ✔️ (Corporate) | ✔️ (E-commerce) |✔️ (Real Estate) | ✔️ (Education) | ✔️ (Startups) | ✔️ (Travel portals) | ✔️ (Figma designs) ⚡ Let’s Discuss Your Project! We are passionate about bringing your ideas to life. Contact us today and let’s build something amazing together!

7,9
7,9
96%

Jessore, Bangladesh
$25 USD óránként
Hello, Thank you for considering me for your project needs! I am a Software Development Expert who specializes in Windows Desktop Software and PHP Web Software. I work hard to offer my clients top quality services at fair prices with the most efficient timelines on the market. I can offer a number of different services, which include: - Software Development - Data Scraping - Data Processing - API - Photoshop - Photo Editing This is not a complete list, so feel free to check out my skill set or reach out and ask about any services you may need. I am available through the Freelancer platform, and offer punctual, consistent work with constant communication and long term support. If you’re interested in working with me, feel free to message me! I’d love to learn about your company and your project needs, and hopefully start up on a fulfilling project for the both of us!

7,5
7,5
100%

Basti, India
$40 USD óránként
Certified Server & Cloud Architect with 15+ years of strong hands-on experience in designing, managing and optimizing IT infrastructure across multi-cloud environments. Expert in AWS, Oracle Cloud (OCI), Azure, Google Cloud, DigitalOcean along with Linux, UNIX, Windows, VMware and OpenStack. Strong experience in Oracle Apps, databases and enterprise IT services. Certified AWS Cloud Architect Professional and Generative AI certified for AWS and Oracle Cloud (OCI), with hands-on experience in AI model deployment, cloud-based AI infrastructure, automation using AI tools and integrating AI services with cloud platforms. Strong experience in application development and production-ready deployments including eCommerce platforms (Magento, WooCommerce, Shopify etc), WordPress, PHP-based applications and custom web solutions. Specialized in end-to-end setup from development to production, including CI/CD pipelines, scaling, security hardening and high availability architecture. Expert in Cloudflare setup, CDN configuration, WAF implementation, firewall security and protection against DDoS and web attacks. Strong experience in production-grade email server setup and deliverability including DKIM, DMARC, SPF, RBL, spam filtering and secure mail flow configuration. Expert in cloud architecture, setup, configuration and high-level infrastructure design for scalable and secure environments. Strong expertise in IT cost optimization, improving performance, reducing cloud billing and ensuring best utilization of resources. Expert in troubleshooting live production issues, server failures and cloud problems with proper RCA and quick resolution. Extensive experience in migrations including servers (Linux/Unix/Windows), websites, applications, databases (Oracle, MySQL, PostgreSQL, MongoDB) and mail systems like Zimbra, Exchange, Office 365, cPanel, Plesk and more. Experienced in network security, firewall setup, vulnerability assessment and securing infrastructure against cyber threats. Hands-on experience with DevOps tools like Jenkins, Terraform, Ansible, Prometheus and Grafana for automation and monitoring. Strong experience with hosting panels like cPanel/WHM, Plesk, DirectAdmin, ISPConfig, Webmin, Virtualmin and others. Worked on monitoring and management tools like Nagios, Cacti, Zenoss and other enterprise solutions. Certified RHCE, RHCSA, RHCVA, OpenStack, Oracle Cloud (OCI) Professional and Mirantis Cloud certified. Expert in Active Directory, Microsoft Exchange and Windows server environment setup, migration and management. I believe in delivering reliable, scalable and production-ready solutions with strong security and proactive support. AS AN ENGINEER, I BELIEVE NOTHING IS IMPOSSIBLE TO IMPLEMENT. In addition to this, I look forward to working on your projects in your budget.

8,4
8,4
97%

Dhaka, Bangladesh
$30 USD óránként
Hi, I’m Omar Faruk, CEO of ITblast Limited, the number one IT company in Bangladesh. With years of experience in web development, animation, and graphic design, I specialize in PHP, HTML, JavaScript, and Python. I’m also skilled in Linux system administration, Excel automation, Magento, and After Effects, among many other tools. My team and I provide top-quality services in: Web Development – Clean, functional, and user-friendly websites. Graphic Design & Animation – Eye-catching visuals and motion graphics. Data Analytics – Turning raw data into powerful insights. Network & System Administration – Ensuring secure and smooth IT operations. 3D Modeling – High-quality 3D assets for various industries. I believe in collaboration—the best results come from working closely with clients to understand their vision. I’m detail-oriented, committed to delivering high-quality work, and always open to feedback. Beyond my technical expertise, I pride myself on being a great communicator and problem-solver. Whether you need expert guidance or hands-on execution, I’m here to help. Let’s bring your ideas to life! ?

7,8
7,8
99%

La Plata, Argentina
$50 USD óránként
I design and build robust automation systems and scalable data extraction pipelines. With a background in Systems Engineering, I specialize in delivering structured, high-quality datasets and automation workflows that are reliable, maintainable and production-ready. My expertise includes: • Large-scale web data extraction • Multi-threaded & concurrent processing • Automation bots (Windows & Web) • Data normalization & transformation (ETL) • Database integration (PostgreSQL, MySQL, SQL Server) • API integrations • Advanced Python development I focus on performance, clean architecture and long-term reliability. If you need a scalable and professional solution — not just a script — let’s talk.

8,4
8,4
100%

Ben Aknoun, Algeria
$70 USD óránként
Thank you for visiting my profile ! My name is Lyes. I am passionate about software design and developement. I hold an Engineer degree and a PhD in computer science . * TOP 1% freelancers of Web Scraping and automation. * TOP 1% freelancers of Python. My main areas of expertise include : ✔ CRM/APP/WEB automation and integration (Zapier, Power Automate, Selenium, Zoho creator, Python scripting, Google apps scripting ...) ✔ Excel macros ✔ Data Scraping (Scrapy, Selenium, Requests, ...) ✔ API Programming and integration ✔ Desktop and web apps developement using Python Frameworks ✔ Cloud Computing : AWS , Google Cloud, Azure ✔ Apps scripts ✔ SQL , NoSQL databases (MySQL, MangoDB, SQL server, ..) ✔ Data Mining ✔ Process automation ✔ Desktop software development ✔ Excel / CSV / XML / JSON ✔ HTML5, PHP ✔ Wireless Networking Languages : ✔ English : Fluent ✔ French : Bilingual ✔ Arabic : Native My ultimate goal is perfection and customer satisfaction....Please feel free to get in touch with me, and I'll be delighted to have a discussion with you.... Talk to you soon :)

6,4
6,4
99%

Varna, Bulgaria
$12 USD óránként
There's things that one can, or cannot, do. No living person can do absolutely everything that comes to mind. My strong sides are troubleshooting and debugging/error fixing and problem-solving gigs. I do, although very rarely, a "blank sheet" or "full scale" development. Most often I do wordpress plugins, cs-cart,zen-cart,x-cart, sometimes even Joomla modules and core php standalone scripts. Things like visual layout/styling/design are NOT "my thing" and, although I do occasionally work such jobs, I am not very good at. And I NEVER do Mobile Apps development.
A DOS developer builds, maintains, and modernizes software that runs on MS-DOS, FreeDOS, PC DOS, and DOS-compatible environments, including legacy business applications, embedded industrial systems, and retro computing projects. These specialists work with low-level languages and toolchains that most modern programmers no longer touch, which is exactly why hiring one requires deliberate evaluation.
DOS development covers a narrow but commercially important slice of software engineering. Many manufacturing plants, point-of-sale terminals, accounting systems, scientific instruments, and government databases still run on DOS because the software is stable, the hardware works, and rewriting it would be expensive. A skilled DOS programmer keeps these systems alive, ports them to modern environments, or recreates DOS-era experiences for emulation, gaming, and education.
Typical engagements include patching legacy executables, recompiling source from older compilers, writing new utilities in C or assembly, building TSR (terminate-and-stay-resident) programs, debugging memory issues in conventional, EMS, or XMS memory, and packaging software to run on DOSBox, DOSBox-X, or vDos for modern Windows machines.
Genuine DOS work relies on a specific stack that buyers should look for in a candidate's portfolio. Expect to see fluency with several of the following.
The demand for DOS expertise is more common than most clients expect. Typical hiring scenarios include:
Because the field is small, portfolio depth matters more than years of generic experience. Look for candidates who can show working DOS code on GitHub, contributions to FreeDOS or related open-source projects, demoscene productions, or documented commercial maintenance work. Strong candidates will also understand the constraints of real-mode and protected-mode programming, segmented memory models, and the differences between conventional, upper, expanded, and extended memory.
Useful interview questions to copy and use:
DOS expertise is rare, and finding it locally is often impossible. Freelancer.com gives you access to a global pool of programmers who have spent decades working with x86 assembly, Clipper, Turbo Pascal, and FreeDOS, alongside engineers who maintain legacy industrial systems for a living. You can compare portfolios, read verified client reviews, and shortlist freelancers on Freelancer.com whose past work matches your exact toolchain. Whether you need a one-off bug fix, a full migration of a Clipper ERP, or a DOSBox re-release of a classic game, you can post a project on Freelancer.com and receive competitive bids from specialists who already speak the language of legacy DOS software.
Legacy systems do not wait, and qualified DOS expertise is in short supply.
Hiring a DOS developer is straightforward when your brief is specific about the toolchain, target environment, and deliverables. Because DOS work is highly specialized, the clearer you are about the language, compiler, and runtime, the more accurate the bids will be. The process below walks through posting your project, reviewing proposals, and awarding the job.
The quality of your project post determines the quality of bids you receive. A vague brief invites generic responses, while a precise brief filters for freelancers who genuinely work with your exact stack. Head to the
Bids on a DOS project are short proposals, not just price tags. A strong proposal will show that the freelancer understood your toolchain, asked the right clarifying questions, and proposed a realistic approach. Read each bid carefully and shortlist candidates whose technical reasoning matches the brief.
The final decision should combine proposal quality with hard evidence from each freelancer's profile. With a niche skill like DOS development, consistency across past work matters more than a single impressive sample. Weigh portfolio depth, written reviews, and verified track record together before awarding.
Yes. Many freelancers actively maintain Clipper, FoxPro, dBase, and Turbo Pascal codebases for businesses still running them in production. They can patch bugs, add features, recompile against newer toolchains, or wrap the application in DOSBox or vDos so it runs reliably on modern Windows machines.
There is overlap, but they are not identical. A DOS developer typically focuses on business, utility, embedded, or systems-level software, while a retro game developer specializes in graphics modes, sound hardware, and game engine techniques specific to DOS-era titles. Some freelancers do both, and you should pick based on which portfolio examples most closely match your project.
That depends on cost, risk, and how active the system is. A DOS developer can audit your codebase and recommend whether to keep it on DOSBox or FreeDOS, port the business logic to a modern language, or rebuild it as a web or desktop application. Many freelancers offer the audit as a discrete first engagement before any larger migration.
If your project touches real-mode memory, BIOS interrupts, segmented pointers, TSRs, or DOS-specific compilers, you need a DOS specialist. A general C programmer without DOS experience will struggle with the toolchain, the memory model, and hardware-level quirks that are second nature to a seasoned DOS developer.
Often yes. Reverse engineering DOS-era database and document formats is a common request, and experienced freelancers can extract records from Clipper DBF files, FoxPro tables, custom binary formats, and other legacy structures into modern formats like CSV, JSON, or SQL.

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Merítsen ihletet DOS projektjeinkből

Weboldaltervezés.
$540 USD összegért 7 nap alatt.

Alkalmazástervezés.
$100 USD összegért 1 nap alatt.

Weboldal.
$430 USD összegért 1 nap alatt.

Weboldaltervezés.
$140 USD összegért 13 nap alatt.

Alkalmazástervezés.
$200 USD összegért 19 nap alatt.

Weboldal.
$150 USD összegért 13 nap alatt.

Weboldal.
$240 USD összegért 1 nap alatt.

Weboldal.
$100 USD összegért 1 nap alatt.
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