Hire Top Freelance High Availability Systems Developers
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Top freelance High Availability Systems developers available to hire
Freelance High Availability Systems Developer5.0 (33 reviews)
I'm an AI Systems Architect, Founder, and Full-Stack Engineer with over 10 years of experience designing and building scalable software products for startups and enterprises across the US, Europe, and Asia.
I specialize in AI agents, Voice AI, LLM-powered applications, workflow automation, and modern cloud architectures. Over the years, I've helped businesses build production-ready platforms ranging from recruitment automation and conversational AI to CRM systems, logistics platforms, and enterprise SaaS applications.
My expertise spans Python, Node.js, FastAPI, React, OpenAI, real-time AI, AWS, Docker, MongoDB, PostgreSQL, and enterprise integrations. Beyond writing code, I enjoy helping teams make sound architectural decisions, debug complex production issues, improve application performance, and turn ambitious product ideas into reliable, scalable systems.
Outside of technology, I enjoy exploring new cuisines, traveling, and reading about business, technology, and emerging AI trends.
Freelance High Availability Systems Developer5.0 (63 reviews)
I am experienced full stack developer and youtuber with over 8.5+ years in the field, primarily in back-end development for web applications and API . My specialties are debugging, software design, refactoring legacy code, adding automation tests and automating builds and deployments. Till date I have trained/mentored more than 2500+ students world wide.
Freelance High Availability Systems Developer5.0 (21 reviews)
I am a **Senior Software Engineer and Technical Lead** with **16+ years of professional experience** designing and building enterprise software, scalable backend systems, distributed applications, and cloud-native solutions.
My primary expertise is **Java, Spring Boot, REST APIs, microservices, distributed systems, relational databases, and software architecture**. Over the past few years, I have also been building AI-enabled applications, integrating LLMs, designing agent-based workflows, and applying AI-assisted engineering to deliver production-quality software faster while maintaining strong engineering standards.
### Core Expertise
* Java & Spring Boot
* Backend Architecture & Distributed Systems
* REST API Design & Integration
* Microservices & Clean Architecture
* SQL Server, PostgreSQL, MySQL, Oracle
* AWS & Cloud-Native Development
* Docker & Modern Deployment Practices
* AI/LLM Integration, RAG & Agent Workflows
* Performance Optimization & Scalability
* Technical Leadership & Mentoring
I have worked remotely since **2014** and operate from a dedicated home office with high-speed fiber internet and reliable power backup, enabling dependable collaboration with distributed teams across different time zones.
What I bring to every project:
* **16+ years** of professional software engineering experience
* Strong architectural thinking and problem-solving skills
* AI-augmented development with engineering-first validation
* Clean, maintainable, and secure production-quality code
* Low technical debt through thoughtful design and best practices
* Clear communication, ownership, and accountability
* A focus on long-term business value rather than short-term fixes
I enjoy working on technically challenging projects involving backend engineering, cloud platforms, distributed systems, AI-powered applications, and modern software architecture.
I look forward to collaborating with teams that value engineering excellence, continuous learning, and building scalable software that makes a meaningful impact.
regards
Isteeak
Freelance High Availability Systems Developer5.0 (17 reviews)
I’ve been infatuated with computers and programming since the late 90s. I started with BASIC and found PHP in the early 2000s, learning C and C++ along the way. I’m a problem solver at heart, I thoroughly enjoy taking difficult tasks, unpacking them, and finding solutions that are practical and efficient.
I'm also a small-time venture investor, technology startup mentor, ultrarunner and a long-distance running coach in my spare time.
As an active member of the WordPress community since 2012, I’m involved in all levels of the project, be it contributing to the WordPress software, organizing and speaking and WordPress events, or building open-source plugins.
PHP, Python, C, JavaScript, etc.
Freelance High Availability Systems Developer5.0 (5 reviews)
I have started my career as junior C++ developer back in 2006 and since then I've assumed positions of development team lead and egineering manager in one of the largest software companies in Russia, and CTO and VP positions in several international start-ups. As consultant, I help business owners and top management who are not entirely happy with the quality of their products or perfomance of their engineering teams to identify toxic practicies and technical flaws that hold their businesses back and seamlessly transform their businesses to make them more efficient and sustainable.
Freelance High Availability Systems Developer5.0 (5 reviews)
Hi! I have been working as a Software Engineer for over 7 years and I have used various technologies over the time. My expertise is in backend development using Java, C# .net. I love distributed systems, designing systems and database.
I always advocate good coding and design practices and keep learning more about them.
I like exploring everything in tech and I have explored quite a bit on ML as well. I like to build small tools, scripts that can help eliminate redundant work
Freelance High Availability Systems Developer5.0 (5 reviews)
Experienced manager and practitioner in the field of internet technology. Online business and technology consultant. Participated in several large internet projects and took part in organizing series of professional conferences, which gathered thousands of web developers. Worked as Head of Email Service with 300 million of users (#4 worldwide at that time), co-founded a VC company and an IT development agency.
Freelance High Availability Systems Developer5.0 (3 reviews)
Experienced infrastructure architect who enjoys bringing functional expertise to bear on any effort. Patiently teaching and mentoring others is a passion of mine and I hope to assist you in your endeavor.
Strengths: Networking, Cloud, Infrastructure, Architecture, Operations, Process
Freelance High Availability Systems Developer5.0 (3 reviews)
26 yo Master of Applied Informatics from Saint-Petersburg, Russia — home of World Programming Contests Champions.
Ask me everything if your headache contains some of these words:
Go (golang), PHP, Laravel, Vue, React, Node.js, JavaScript, Postgres, SQL, MongoDB, Docker, Kafka, GRPC (Protobuf), JSON-API, Firebase and so on.
Do you use a Laravel, Vue.js, Vuex or any other framework, library or technology? I came across this and spent thousand of hours to answer my own questions.
Are you a beginner? Trust me, I can help you and explain you very complex things in very easy words what makes you to have a fundamental understanding of how things work.
P.S. Special offers for Golang newbies since I really like this language!
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Frequently asked questions
How long do High Availability Systems projects normally take?
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance High Availability Systems project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance High Availability Systems request on Codementor, check out our article.
How much does it cost to hire a freelance High Availability Systems developer?
We don’t charge anything when you post a freelance hiring request for High Availability Systems developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor High Availability Systems developers different?
We do a comprehensive technical and communications screen of all High Availability Systems developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing High Availability Systems developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
As a platform, we strive to ensure you’re always happy with your High Availability Systems project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.
For more answers to frequently asked questions, see here.
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