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OpenSSL is the open-source gatekeeper of secure online communications. It's a robust library that implements SSL and TLS protocols, providing encryption and cryptographic capabilities to secure data transmission over networks. From safeguarding e-commerce transactions to encrypting sensitive information, OpenSSL is the backbone of internet security. Developers leverage OpenSSL to build secure web applications, protect server communications, and ensure data integrity.
Ready to fortify your digital fortress? The best way to find a quality OpenSSL Developer is on Freelancer. With the widest range of experts specializing in SSL/TLS, cryptography, and network security, Freelancer makes connecting with top talent a breeze.
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9.0
9.0
100%
MAUR MANDI, India
$40 USD (1시간 기준)
Working in the Web Design & Development field for more than 11 years and have successfully completed 1200+ projects in the International market. Technologies we work on: 1. PHP 2. WORDPRESS 3. SHOPIFY 4. SQUARESPACE 5. Bootstrap 6. HTML/HTML5/CSS 7. Javascript Benefits of hiring: 1. Working 7 days a week 2. Providing free maintenance to website and software clients for up to 3 months. 3. Creating responsive and mobile-friendly websites. 4. Also do website maintenance, server management and website optimization.
7.7
7.7
100%
Lahore Cantt, Pakistan
$10 USD (1시간 기준)
Fixing slow, hacked, and broken WordPress websites with precision and guaranteed results. Are you dealing with a slow, hacked, or unstable WordPress website? I can fix it — quickly, professionally, and with long-lasting results. I’m a senior WordPress technical specialist with 7+ years of experience working on high-performance, secure, and fully optimized WordPress websites. I’ve successfully repaired, optimized, and secured 870+ WordPress and WooCommerce websites, helping businesses improve speed, stability, SEO, conversions, and overall performance. I turn WordPress problems into clean, fast, secure, and stable websites — every single time. 🔧 What I Do ⚡ Performance & Speed Optimization Load times under 2 seconds 90+ PageSpeed Insights & A+ GTmetrix performance Full optimization of CSS, JS, images, caching, and databases Core Web Vitals improvements for better SEO & user experience 🛡️ WordPress Security & Hack Cleanup Complete malware removal & blacklist fixes Japanese keyword hack, spam redirects, and injected script removal Security hardening, firewalls & long-term protection 🐞 Error Fixing & Technical Troubleshooting White screen of death, 5xx/4xx errors, broken layouts Plugin conflicts, PHP issues, and database problems WooCommerce checkout, cart, and payment failures 🎨 Custom WordPress Design & Development Modern, responsive, mobile-first designs Custom themes, templates, and advanced functionality High-conversion landing pages (Elementor, Divi, Gutenberg, WPBakery) 🛒 WooCommerce Repair & Optimization Fix product variations, errors & theme incompatibilities Checkout optimization & payment gateway fixes Speed improvements for large stores 🔄 Migration, Setup & Configuration Hosting/domain migration with zero downtime SSL setup, CDN configuration & caching setup Fresh WordPress installations and full setup 🔁 Ongoing Support & Maintenance 24/7 availability for emergencies Weekly updates, monitoring, and backup automation Long-term technical support plans 🧩 Why Clients Trust Me ✔ 6+ years of proven WordPress expertise ✔ 640+ successful fixes, optimizations & cleanups ✔ Clear communication & quick delivery ✔ Transparent workflow with before/after reports ✔ Satisfaction guarantee — I stand behind my work I don’t just “fix problems.” I deliver stable, secure, high-performing WordPress systems that support your business long-term. 📩 Let’s Make Your Website Problem-Free Whether you need speed, security, fixes, optimization, or a complete redesign — I’m here to help. Send me a message now and get your WordPress site running perfectly.
8.8
8.8
99%
Myronivskyi, Ukraine
$32 USD (1시간 기준)
Professional software developer with over 25 years of overall experience in software development and maintenance looking for challenge projects fit my skills. Main specialization: • developing Windows Desktop and Web solutions (mainly using C, C++, C#, ASP.NET) • converting/translating/porting code from one programming language to another programming language. • writing wrappers around miscellaneous libraries, packages and SDKs, mainly for using it with other programming languages. • consuming HTTP based APIs, (RESTful APIs, etc) • scraping data from web sites, both with and without Selenium Secondary specialization: • developing Linux and cross-platform solutions and utilities. • scripts/utilities to process Excel spreadsheets • Microsoft Office Automation
8.7
8.7
95%
Panchkula, India
$15 USD (1시간 기준)
⭐ Profile Rating: 4.9 Out of 5 📊 Percentage of jobs completed: 95% 🏆 Successfully delivered jobs: 600+ 12+ years of experience in the domain of information technology, having expertise in web design, development, and digital marketing (SEO, PPC, Social Media Marketing & Online Reputation Management). I worked for a number of organizations from new to well-established ones around the world. My goal is to understand business goals and develop a customized strategy that meets your specific needs regardless of size or industry. ........................................................................ Web Skills: PHP, HTML, HTML5, CSS, CSS3, JavaScript, jQuery, Ajax, React, Node.js, Angular.js, Adobe Photoshop WordPress, WooCommerce, Shopify, Code Igniter, Laravel, Magento, Joomla, BigCommerce, Wix, Yii, Zend Framework, API Development, Payment Gateway Integration, E-Commerce Website Development, WordPress Plugin Development Digital Marketing Skills: - SEO (Search Engine Optimization Both On-Page and Off-Page) - Social Media Optimization and Marketing - Lead Generation Campaign - Amazon, Walmart, eBay, Mobile App Store SEO and Optimization - Pay Per Click/Paid Marketing (Google, Facebook, Amazon, Walmart, eBay) - Set up conversion tracking for Google Ads - Set up and Install the Meta pixel - Set up Google Analytics 4 - Set up Google search console - Looker Studio custom reports - YouTube Video Optimization and Marketing - Market research and business plan - Link Building - Google Ads Campaigns Setup, Optimization, and Management (PPC Advertising) - Google Shopping/Merchant Setup, Optimization and Marketing - Online Reputation Management - Conversion Rate Optimization (CRO) - Data Analytics - Local Citation/Business Listings - Amazon Listing Optimization & PPC Ads Campaign: Product Title, Bullet Points, Products Descriptions | A+ Content/EBC Design | PPC Campaigns | Custom Infographics, Lifestyle images, Product Images & Videos. I’m backed with a team of 50+ dedicated certified experts.
7.9
7.9
100%
Villa De Merlo, Argentina
$25 USD (1시간 기준)
I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP Postfix, POP/IMAP Dovecot. FTP Vsftpd, Proftpd, Pure-ftpd-mysql. Dns Bind9, dnsmasq. File Server & printer Samba (dc-ac). Network administrator: isc-server-dhcp, openvpn, etc. Install and renew SSL certicate. All services on cloud; AWS, Azure, etc. Also website and E-mail migrations. ALL panels and web managers. Management all Linux distributions. Setup, security and optimization your server. __________________________ VERY IMPORTANT!!! “Hi I'm Matias, someone is trying to impersonate me, this account is the only one active and verified by freelancer! I DON'T USE ANY OTHER MEANS OF CONTACT, ONLY FREELANCER CHAT!” -----------------------------------------
7.9
7.9
97%
CHERTHALA, India
$50 USD (1시간 기준)
I have 12 years of experience in Linux and Cloud server management which includes Monitoring, Security, and Optimization. Designed, configured, and managed public/private cloud infrastructures utilizing Amazon Web Services (AWS), including Elastic Cloud Compute (EC2), Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer, Cloud Watch and IAM. Implemented AWS high availability using AWS Elastic Load Balancing (ELB), which performed a balance across instances in multiple Availability Zones. AWS deployment using Ansible and Terraform, also deployed, and administered Open stack services. Configuring Ansible to manage AWS environments and automate the build process for core AMIs (Amazon Machine Image) used by all application deployments including Auto scaling and Cloud formation scripts. Worked with Docker on multiple cloud providers, from helping developers build and containerize their application (CI/CD) to deploying either on public or private cloud. Played a major role in building Docker images; create build and deployment configurations to deploy applications using Jenkins onto the Kubernetes cluster. Deployed and configured Elastic search ELK, Logstash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with AWS Lambda and CloudWatch. Used Kubernetes to deploy scale, load balance, scale and manage Docker containers with multiple namespace versions. Troubleshooting the network issues involving TCP/IP, LAN/WAN networking, DNS, DHCP, SMTP, SNMP, netstat and monitored the servers and Linux scripts regularly and performed troubleshooting. Monitoring of the servers through Nagios, Icinga2, Zabbix I can handle cloud platform setup and Network management. I'm an expert in Website and e-mail Migration. I also have experience on VMware. Cloud Services: Amazon web services (AWS) , Gcloud , Digitalocean , Scaleway , Azure , Rackspace , Linode etc... My areas of expertise are: Linux, FreeBSD, Windows, Asterisk, FreePBX, NFS, CIFS, VMware, Xen, LVM, Apache, Nginx, Tomcat, Zimbra, Qmail, Sendmail, Postfix, Exim, LVM in Linux, Jabber, Openfire, FTP, Bind, PowerDNS, Pfsense, IPtables, Zabbix, Nagios, MysQL, LDAP, SquidFreeNAS, IPSEC, OpenVPN, PPTP, L2TP TECHNICAL SKILLS Operating systems: Linux, Windows Protocols: TCP/IP, FTP, DHCP, HTTP, SMTP, POP, IMAP Application/Web Servers: Apache, Nginx, Litespeed Mail Servers: Postfix, exim, sentmail, zimbra, iredmail
8.0
8.0
98%
Visakhapatnam, India
$25 USD (1시간 기준)
AWS Certified Solutions Architect with more than 12 years of system admin experience. We Provide Business Solutions such as - Custom Wordpress Websites - Laravel and CodeIgniter websites creation and modification - Super fast website migrations (Wordpress, Moodle, Magento etc.) - DNS related issues and Email migrations (imap to imap, office365 to Gsuite etc.) - Installation of all panels (cpanel, centoswp, vestacp, cyberpanel, plesk, openlitespeed etc.) - Advanced AWS Architecture consultation/implementation and Google Cloud , Microsoft Azure, Alibaba Cloud, Digital Ocean and Linode server deployments - Troubleshooting Websites/servers (linux) - Git implementation / integration with existing software flow - Python GUI Applications/ Web Scraping Our completed projects speak of our skills and feedback from the employers showcase our ability to deliver on time, every time. "Never Hire for Skills. Hire for Passion. Skills are cheap, Passion is hard to come by"
9.5
9.5
96%
indore, India
$10 USD (1시간 기준)
⚡ 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!
An OpenSSL developer is a software engineer who implements, configures, and customizes the OpenSSL cryptographic library to secure applications, networks, and data through TLS/SSL protocols, certificate management, and encryption routines. These specialists work at the intersection of cryptography and systems programming, building the secure communication layers that protect sensitive transactions, APIs, and user data across modern software stacks.
OpenSSL developers produce the cryptographic backbone of secure software. They integrate the OpenSSL library into C, C++, Python, Go, and Node.js applications, configure TLS handshakes, generate and manage X.509 certificates, and implement encryption, decryption, hashing, and digital signing workflows. Their work directly impacts compliance, data protection, and the trust signals that customers and regulators expect from production systems.
A skilled OpenSSL engineer ships code that is both cryptographically correct and performant. Misconfigured cipher suites, weak key generation, or careless certificate handling create vulnerabilities that propagate across an entire infrastructure. Hiring an experienced OpenSSL specialist prevents those failures and produces audit-ready implementations.
OpenSSL developers work fluently with the OpenSSL toolkit itself, including libssl, libcrypto, and the openssl command-line utility. They commonly pair OpenSSL with related cryptographic and networking technologies such as BoringSSL, LibreSSL, wolfSSL, and mbedTLS for cross-library compatibility work. Many engagements involve integration with NGINX, Apache HTTP Server, HAProxy, and stunnel, where OpenSSL underpins the TLS termination layer.
On the certificate authority side, freelancers often work with Let's Encrypt, ACME clients like Certbot, HashiCorp Vault PKI, step-ca, and EJBCA. For HSM and key management integration, expect familiarity with PKCS#11, AWS KMS, Azure Key Vault, Google Cloud KMS, and YubiHSM. Adjacent skills include C and C++ systems programming, Linux kernel and network programming, secure coding practices, threat modeling, and DevSecOps pipeline integration.
OpenSSL expertise is in demand wherever data confidentiality, integrity, and authentication matter. Common industries include fintech and payments, where PCI DSS compliance requires strong TLS and key management. Healthcare and HIPAA-regulated software depend on OpenSSL for encrypted patient data exchange. Government, defense, and critical infrastructure projects often require FIPS-validated cryptography.
Use cases span IoT firmware security, VPN appliances, secure messaging platforms, blockchain node communication, embedded device authentication, e-commerce checkout flows, API gateway TLS termination, and zero-trust network architectures. Software vendors building on-premise products also hire OpenSSL developers to embed licensing and update verification systems.
Strong OpenSSL freelancers demonstrate deep cryptographic literacy alongside production C/C++ experience. Look for portfolios showing TLS integration work, contributions to open-source security projects, CVE disclosures or patches, and experience with certificate authority operations. Certifications such as CISSP, OSCP, or vendor-specific PKI credentials add credibility, though hands-on evidence matters more than paperwork.
Review their understanding of OpenSSL 3.x architectural changes, including the move from engines to providers, the FIPS provider model, and the deprecation of low-level APIs. Ask for code samples that show defensive memory handling, proper error checking on every cryptographic call, and constant-time comparison logic where relevant.
Sample interview questions you can use directly:
Freelancer.com gives you access to a global pool of cryptography and security engineers with verified profiles, transparent ratings, and detailed work histories. Whether you need a short engagement to patch a vulnerable OpenSSL version or a long-term contractor to build a PKI from scratch, you can review portfolios, compare bids, and shortlist freelancers on Freelancer.com who match your technical requirements. The platform's Milestone Payments system protects your budget while giving the developer confidence to commit to the work.
With millions of freelancers worldwide, you can find OpenSSL specialists across time zones, language preferences, and industry specializations. Clients set their own budgets and receive competitive bids, so pricing reflects the scope of your project and the experience level you need.
Hiring an OpenSSL developer is straightforward when you approach it with a clear technical brief. Cryptographic work is unforgiving of ambiguity, so the more precise your project post, the better the bids you receive. The three steps below walk you through posting, reviewing, and awarding the project.
Your project brief is the single biggest determinant of bid quality, especially for cryptographic work where small details change the entire scope. A clear brief filters for OpenSSL developers whose experience genuinely matches your stack, target OpenSSL version, and compliance needs. Head to the
Bids are short proposals that reveal how each OpenSSL developer interprets your brief. Read them carefully — a strong bid for cryptographic work shows technical understanding, not just availability. Shortlist candidates whose proposals demonstrate they have done this exact type of work before and who raise the right clarifying questions.
The final decision combines proposal quality with profile evidence. For OpenSSL work, you want consistency across past cryptographic projects rather than a single impressive sample. Look for developers who show sustained engagement in security and systems programming work.
An OpenSSL developer specializes in implementing and customizing the OpenSSL library at the code level, including cryptographic primitives, TLS integration, and PKI tooling. A general security engineer covers a broader scope including network security, application security, and policy. Hire an OpenSSL specialist when the work centers on cryptographic implementation rather than security operations.
For straightforward certificate installation on NGINX or Apache, a system administrator is usually sufficient. You need a dedicated OpenSSL developer when the work involves custom integration, application-level cryptography, FIPS compliance, building a private CA, or remediating vulnerabilities in C/C++ code that uses libcrypto directly.
A focused task such as patching an OpenSSL version or hardening cipher suites can take a few days. Building a full PKI, implementing mutual TLS across a microservices architecture, or migrating a large codebase from OpenSSL 1.1 to 3.x typically runs several weeks to a few months depending on scope and testing requirements.
Yes. Experienced OpenSSL developers can build and integrate the FIPS provider in OpenSSL 3.x, configure your application to operate in FIPS mode, and document the cryptographic boundary for audit purposes. They cannot grant certification themselves, but they prepare your codebase to meet the technical requirements.
For most defined cryptographic tasks, a skilled freelancer delivers faster and at lower overhead than an agency. Agencies make sense when you need a multidisciplinary team handling security, compliance, and infrastructure together. For targeted OpenSSL work, freelancers on Freelancer.com offer the right balance of expertise and flexibility.
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웹사이트 디자인
$540 USD (7일 소요)
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$100 USD (1일 소요)
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$430 USD (1일 소요)
웹사이트 디자인
$140 USD (13일 소요)
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$150 USD (13일 소요)
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$100 USD (1일 소요)
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