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Encryption is the process of encoding a message or information for security purposes. This can be done using strategic software tools and practices.
Hire a Software Engineer to implement an encryption solution to protect your valuable intellectual property and data.
Post your project for free and connect with skilled Software Engineers ready to start today. Compare bids, ratings and portfolios, and only pay when you're happy with the work.
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Software Engineers online
No upfront cost · pay only when you're happy with the work

8.4
8.4
98%

Elmaaddi, Egypt
$45 USD per hour
Digital & Analog Electronics VHDL-Verilog-System verilog Matlab/Simulink Analog and Digital Communications Rust Python C/ C++/C# Micro-controllers Data Structures OOP Qt/ PyQt OpenCV x86 assembly

6.1
6.1
100%

Kollam, India
$21 USD per hour
I am an experienced C/C++/C# (.NET)/Python/Java/Fortran 90 programmer. I specialize in the development of high performance cryptographic implementations , deep neural networks, desktop application development (both GUI and terminal applications), graphics programming with SDL 2.0 or SFML and OpenGL, network programming using sockets (both BSD sockets and WinSock), multi threading, system security enhancing applications and writing operating system level code for both Windows and Linux operating systems. I am deeply familiar with the Windows API as well as POSIX API, and I have extensive experience working with intricate projects that use the OpenSSL libraries, libAV (core libraries of ffmpeg), libcurl, GMP and many more! I also develop firmware for embedded micro controllers like ESP32 using the Arduino framework and tools like PlatformIO. I have also worked a lot with Raspberry Pi Linux and developed service applications that runs on Raspberry Pi using C or C++. I prefer developing cross-platform code and I also have experience in industry level communication protocols like HTTP(S), Modbus, IEC 104, MQTT and I am willing to deeply understand any other protocol for the dynamic nature of the project. I love writing efficient, elegant and portable code, that works in the most efficient way possible. I am also a fluent speaker and writer of the English language. If I take up a project, be assured that it will be done with the utmost level of perfection that will make your heart content! Please check out the heartfelt reviews from my clients to understand more about me. I hope to work with you and manifest success in your challenging projects. Thankyou very much for checking out my profile! May God Bless You :)

6.7
6.7
92%

Giza, Egypt
$30 USD per hour
I am computer engineer and certified LabVIEW architect CLA and Embedded LabVIEW developer CLED and Teststand and Diadem developer and Certified Teststand Developer CTD with big experience in Test and Automation projects using NI Hardwear including NI Crio , NI Cdaq ,NI PXI , sbrio and usb series and other vendor hardware controllers and PLC and i worked with many industrial communications protocols like IEC 61850, CAN , ETC.. with MSc degree in cryptography and SAT Math expert tutor . So i can help you manage your work with less prices , i do not care about money but i care about the quality of work , , i can design diagrams using UML , i can speak multi languages , ENGLISH , GERMAN AND ARABIC Thanks

9.2
9.2
100%

BANGKOK, Thailand
$130 USD per hour
Hi, I’m Marjan, Website & Software Developer with 16 years of experience and 4,400+ successful projects delivered worldwide. I help businesses build fast, secure, professional and conversion-focused websites, eCommerce stores, custom web applications, booking systems, dashboards and scalable digital platforms. My expertise includes: • WordPress, Elementor & Custom Theme/Plugin Development • Shopify Store Design, Setup & Customization • Full-Stack Web Development • SaaS, MVP & Custom Web Application Development • Booking Funnels, Lead Generation Forms & Dashboards • PHP, JavaScript, HTML, CSS & API Integrations • Wix, Webflow & Business Website Development • Technical SEO, Speed Optimization & Website Maintenance What you can expect when working with me: • Clear and professional communication • Clean, maintainable and scalable work • Careful attention to detail • On-time delivery and long-term support Whether you need a business website, Shopify store, WordPress development, custom platform, SaaS MVP, booking funnel or ongoing website support, I can help you plan, build and launch it properly. Let’s discuss your project and create something that works for your business.

9.1
9.1
99%

Antalya, Turkey
$45 USD per hour
I've been on internet since 1996. I always tried to do something with programming. Started with mirc scripting, then created my own websites (I had 1500+ websites when it was 2005) and earned a lot of money with domain parking and google adsense. Since I was not so good with programming, I was asking help from other people. But as you probably guess, I had many many problems with programmers. Then, I decided to improve my programming skills. Finally, I realized that coding is the coolest thing in the world. I feel better when I help other people over the world. This is how I became freelancer programmer :) I love coding and ready to help you. - Web Scraping / Crawling - Data extraction - Data conversion - API Integration - Wordpress plugin

8.5
8.5
98%

Noida, India
$50 USD per hour
🚀 OMANGOM – Ecommerce, Automation, Cloud & AI Solutions Partner We help businesses build, automate, and scale digital operations using ecommerce platforms, business systems, cloud infrastructure, and AI-driven automation. With 16+ years of experience and 600+ projects delivered, we support clients globally as a reliable long-term technology partner. 🌐 Core Expertise 🛒 Ecommerce Development & Optimization Shopify | WooCommerce | Magento Store development, migration, optimization Conversion improvement & performance tuning Backend workflow automation ⚙️ Business Systems & Automation Zoho | Odoo | Custom Systems CRM, ERP, HRMS implementation Workflow automation AI-enabled lead handling & support ☁️ DevOps, Cloud & Infrastructure AWS | Azure | Oracle | Google Cloud | DigitalOcean Linux & Windows server management Deployment, monitoring, security, backup Performance & uptime optimization 🛠 Managed Support & Helpdesk Ongoing technical support Issue resolution & maintenance System upgrades & monitoring 📧 Hosting, Email & IT Setup Microsoft 365 | Zimbra | Exchange | DNS Email setup & server management Hosting & infrastructure support 💻 Web, App & SaaS Development PHP (Laravel, CodeIgniter) | ASP.NET | Node.js | React | Flutter Custom web & mobile applications Scalable SaaS platforms 🧩 CMS & Website Platforms WordPress | TYPO3 | Sitecore | Wix | Drupal Website development & customization CMS migration & performance optimization 🤖 Data & AI Solutions AI-powered automation Data analytics & insights Process optimization 🎯 What You Get Scalable & reliable systems Reduced manual work through automation Fast response & ongoing support End-to-end execution (build + manage) 🏆 Why Choose Us ✔ 600+ successful projects ✔ 16+ years experience ✔ Strong ecommerce + cloud + automation expertise ✔ Trusted by international clients (US, UK, EU, etc.) ✔ Quick turnaround & long-term support 💬 Let’s Work Together If you need a team that can build, automate, and manage your complete digital ecosystem, we are ready to help.

7.9
7.9
96%

Nagpur, India
$50 USD per hour
I build clean, functional solutions fast across the full stack. Specializing in: - Web: React, Next.js, Node.js, Python, PHP, Ruby on Rails, Golang, Laravel, Django, WordPress, Vue.js - Mobile: React Native, Flutter, Android (Kotlin), iOS (Swift), Dart - AI & Machine Learning: LLM integrations (Claude, OpenAI, Gemini), RAG pipelines, LangChain, vector databases, prompt engineering, chatbots, NLP, OCR, generative AI - APIs & Integrations: REST, GraphQL, payment gateways (Stripe, PayPal, Razorpay), Twilio, SendGrid, third-party services - Cloud & DevOps: AWS, Azure, Docker, Kubernetes, Jenkins, CI/CD, Nginx, Linux server administration, Cloudflare - E-commerce & CRM: WooCommerce, OpenCart, Magento, Odoo, Prestashop, Point of Sale systems - Databases: MySQL, PostgreSQL, MongoDB, MariaDB, Elasticsearch, SQLite, Redis, Microsoft SQL Server - Trading & Finance: MetaTrader 4/5, MQL4/5, Pine Script, NinjaTrader, OpenClaw, backtesting, trading bots - Data & Automation: Excel/Google Sheets automation, dashboards, data analysis, workflow automation I focus on understanding your requirements clearly, delivering working code, and communicating progress throughout.

6.7
6.7
100%

Mettamalai, Sattur, India
$20 USD per hour
Hi ! I'm Gowtham Raj , a Professional Full Time Freelancer in Freelancer.com with 7+ years of Experience in Programming. Combined with my B.E in Computer Science and Engineering I can solve the below mentioned Programming languages task. Apart, from this I am having 2 years of Experience in Branding and Data Entry Works. ✅ 5-start rated freelancer , specialized in C, C++, JAVA, PYTHON and Mulesoft PROGRAMMING LANGUAGES: - C Programming - C++ Programming - Java - Java FX - Python - SQL - MY SQL ADVANCED & SPECIALIZED PROJECTS: - Bot Development Projects - AI-Related Projects - Block Chain Projects - Web Development Projects - App Development Projects BRANDING: - Naming the Organization / Brand - Suggesting the Slogans WHY CHOOSE ME OVER OTHER FREELANCERS? ✅ Client Reviews: I focus on providing VALUE to all of my Clients and Earning their TRUST. The Client Reviews and Feedback on my Profile are immensely important to me and the value that I provide. ✅ Over-Delivering: This is core to my work as a Freelancer. My focus is on GIVING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "WOW" ✅ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my Clients. ✅ Communication: I will provide proper communication and I expect the same from my client. You can ask update at anytime regarding the work because I will be doing your work NO outsourcing here. If you're looking for a good programmer with quick turn around then I'm the guy you need. Kindly send me a message through Freelancer, either via message or with the “Hire Me Now” button. Thanks for taking the time to read through my profile, and I hope to speak with you soon!

9.2
9.2
99%

Daska, Pakistan
$50 USD per hour
Live Experts LLC is a multidisciplinary technology company specializing in Engineering, AI/ML, Embedded Systems, IoT, and Automation Solutions for startups, businesses, and enterprises worldwide. With over a decade of technical delivery experience and hundreds of successfully completed projects, we help clients transform complex ideas into scalable, production-ready solutions that solve real business and operational problems. Our strength comes from combining software, AI, automation, electronics, and engineering expertise under one team. This allows us to handle both digital systems and real-world hardware projects with practical implementation experience. Our expertise includes: • Artificial Intelligence (AI) & Machine Learning (ML) • Generative AI & Conversational AI • AI Chatbots & AI Agents • Computer Vision & OCR Systems • Predictive Analytics & Data Intelligence • Workflow Automation & AI Integration • Embedded Systems & IoT Solutions • Arduino, ESP32 & Raspberry Pi Development • PLC, SCADA & Industrial Automation • Electrical & Mechanical Engineering Support • Sensor Integration & Smart Monitoring Systems • AI-Powered Dashboards & Business Platforms • Cloud APIs & System Integrations • Automation & Control Systems We work with modern technologies including: Python, OpenAI, ChatGPT, TensorFlow, OpenCV, Node.js, React, FastAPI, PostgreSQL, AWS, Docker, MATLAB, Arduino, ESP32, Raspberry Pi, PLC systems, and industrial automation platforms. What makes us different is our ability to bridge the gap between: AI + Automation + Embedded Systems + Engineering Many companies can build software. Others can build electronics. Very few can combine AI, automation, hardware, and engineering into complete intelligent systems that work in real business environments. We have experience working across: • Industrial Automation • Healthcare • Logistics & Fleet Systems • Manufacturing • Finance & Trading Systems • Smart Monitoring Systems • Operational Dashboards • IoT & Connected Devices • AI Business Solutions • Intelligent Automation Platforms Our development approach focuses on: • practical implementation • scalable architecture • clean UI/UX • reliable integrations • business-focused solutions • long-term maintainability • clear communication • premium execution quality Whether you need: • an AI-powered platform • an embedded IoT device • industrial automation • computer vision systems • AI automation workflows • predictive analytics dashboards • AI chatbots • sensor-based monitoring systems • electrical/mechanical engineering support • or a complete intelligent system Live Experts can help design, develop, and deploy reliable solutions tailored to your business goals. We believe in building long-term partnerships and delivering systems that create measurable operational and business value.
A software engineer is a technical professional who designs, builds, tests, and maintains software applications, systems, and platforms using established programming languages, frameworks, and engineering practices. Hiring a freelance software engineer gives you on-demand access to the architectural thinking and coding expertise needed to ship reliable products without the overhead of a full-time engineering hire.
A freelance software engineer translates business requirements into working software. Unlike a coder who simply implements specifications, a software engineer applies disciplined methodology to the full development lifecycle: requirements analysis, system design, implementation, testing, deployment, and ongoing maintenance.
Freelance software engineers work across the stack. Some specialize in backend services and APIs, others in frontend interfaces, mobile applications, embedded systems, or cloud-native architectures. Many are full-stack engineers capable of owning a feature end to end.
Software engineering projects on Freelancer.com cover a wide range of technical work. Typical deliverables include:
The software engineering field spans dozens of languages and ecosystems. The right choice depends on your project. Common stacks freelance software developers work with include Python for data-heavy applications and machine learning, JavaScript and TypeScript for web platforms, Java and C# for enterprise systems, Go and Rust for high-performance services, and PHP for content-driven sites.
Beyond languages, professional engineers use Git for version control, Jira or Linear for issue tracking, Postman for API testing, and CI/CD platforms for automated builds and deployments. Familiarity with Agile and Scrum methodologies is standard.
Software engineering is industry-agnostic, but freelance software developers on Freelancer.com regularly serve:
Strong candidates show evidence of shipped, production-grade software — not just tutorials or toy projects. Look for a portfolio that demonstrates work in your specific stack, a public GitHub or code sample repository, clear written communication, and a track record of completed projects with positive client reviews.
Key signals include experience with the exact framework your project uses, familiarity with testing and code review practices, comfort with cloud deployment, and an ability to ask sharp clarifying questions before quoting timelines.
Sample interview questions you can use directly:
Freelancer.com connects clients with millions of software engineers worldwide, spanning every major language, framework, and specialization. Whether you need a senior architect to design a distributed system or a generalist developer to build an MVP, you can post a project on Freelancer.com and receive bids within minutes.
Profiles surface verified skills, certifications, completed project counts, client ratings, and detailed reviews — giving you the evidence needed to make a confident hire. Milestone Payments protect your budget by releasing funds only when work meets your standards. The global talent pool also means you can find engineers in compatible time zones for synchronous collaboration or asynchronous overnight delivery.
Hiring a software engineer through Freelancer.com follows a structured process designed to match you with the right technical talent. Below are the three steps, with guidance specific to evaluating engineering work — from writing a brief that surfaces the right candidates to verifying portfolios and code quality before awarding the project.
The brief is the single biggest determinant of bid quality. A vague software project post will attract generic proposals, while a precise technical brief filters for engineers whose stack, experience, and methodology genuinely match your needs. Head to the
Bids are short proposals, not just price quotes. They reveal how each engineer interprets your brief, what architectural approach they propose, and what timeline they consider realistic. Read each proposal carefully and shortlist candidates whose technical reasoning matches the work.
The final decision combines proposal quality with profile evidence. For software engineers, weigh portfolio depth, code samples, and consistency of client feedback across multiple projects — not just a single standout build. Look for engineers who deliver reliably across varied technical work.
The terms are often used interchangeably, but software engineers typically apply formal engineering principles — architecture, scalability, testing rigor, and lifecycle management — to larger systems. Software developers may focus more narrowly on writing application code. For most freelance projects on Freelancer.com, the skill sets overlap substantially.
Yes. Many freelance software engineers take on bug fixes, small feature builds, code reviews, and short consulting engagements. Define the scope clearly in your brief and you will receive proposals scaled to match.
Timelines vary with scope. A simple landing page integration may take a few days, an MVP web application typically takes several weeks, and a complex multi-service platform can run several months. A good freelancer will provide a realistic estimate after reviewing your requirements.
An individual freelance software engineer is usually the right choice for focused projects, MVPs, and well-scoped features where one or two engineers can deliver. An agency may suit larger programs with multiple parallel workstreams. Freelancer.com supports both — you can hire individuals or assemble a small team.
Share your functional requirements, any existing codebase or design files, target platforms, integrations needed, and security or compliance constraints. The more specific you are upfront, the more accurate the bids and timelines will be.

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