VLAD KARAPETYAN

高级软件工程师 | DevOps | SSO/API集成专家

以结果为导向的高级软件工程师,拥有15年以上专业经验,专注于DevOps、云基础设施、API集成、SSO/身份验证系统和全栈开发。在AWS、Docker、Kubernetes、CI/CD、OAuth、OpenID Connect、Gluu Server和WebRTC方面拥有专业知识。在Upwork上拥有超过12,000小时的工作时间和100%的工作成功率,提供企业级解决方案的卓越记录。

关于我

构建明日技术的精英工程师

十五年来一直在构建能够交付成果的系统。我不仅仅是写代码——我设计能够扩展、执行和持久的解决方案。从服务于数百万用户的企业级身份验证系统到永不停歇的云基础设施,我将复杂的技术挑战转化为优雅的、可用于生产的系统。

作为拥有12,000+计费小时100%工作成功率Upwork顶级自由职业者,我帮助全球公司解决了他们最关键的技术问题。无论是使用Gluu Server实施企业SSO、构建区块链解决方案、部署可扩展的AWS基础设施,还是创建定制视频会议平台——我提供的解决方案都超出预期。

我的方法很简单:理解业务需求、设计正确的解决方案、交付卓越成果。没有不必要的复杂性。没有捷径。只有能够赋能企业成长的坚实、可维护的代码。

Location:
International (Remote)
Email:
contact@vladkarapetyan.com
Specialization:
DevOps & Enterprise Systems

15+

工作年限

12,000+

Upwork工作时数

100%

工作成功率

12

Upwork项目

与我联系

查看LinkedIn个人资料 查看GitHub个人资料 查看Upwork个人资料

专业服务

DevOps、身份验证、API和企业系统的专业解决方案

技术咨询与定制解决方案

$150-250/小时

为任何软件开发挑战提供全面的技术支持。

  • 针对复杂技术问题的专家解决方案
  • 架构审查和优化建议
  • 代码审查和最佳实践实施
  • 技术战略和路线图规划
  • 紧急故障排除和生产支持

AI项目开发(从A到Z)

$200/小时

从概念到部署的完整AI/ML项目开发。

  • 定制AI/ML模型开发和培训
  • NLP、计算机视觉和预测分析
  • AI集成到现有应用程序
  • 模型优化和部署
  • 生产监控和持续改进

区块链开发与Web3

$175/小时

企业区块链解决方案、智能合约和去中心化应用。

  • 智能合约开发(Solidity、Rust)
  • DeFi协议架构和实施
  • NFT市场和铸造解决方案
  • 多链集成和桥接
  • Web3钱包集成和代币经济学

DevOps与云基础设施

$150/小时

企业DevOps解决方案、云基础设施和CI/CD自动化。

  • AWS/Azure/GCP云架构和部署
  • Docker容器化和Kubernetes编排
  • CI/CD管道设置(Jenkins、GitLab CI、GitHub Actions)
  • 基础设施即代码(Terraform、CloudFormation)
  • 监控、日志记录和警报(Prometheus、ELK)

SSO与身份验证

$150/小时

企业级单点登录和身份验证系统实施。

  • Gluu Server实施和定制
  • OAuth 2.0和OpenID Connect集成
  • 企业应用的SAML 2.0配置
  • 多因素身份验证(MFA)设置
  • 用户联合和身份管理

API集成

$150/小时

定制API开发和第三方系统集成。

  • RESTful和GraphQL API设计与开发
  • 第三方API集成(支付、CRM、营销)
  • Webhook实施和事件驱动架构
  • API安全(速率限制、身份验证、加密)
  • API文档和开发者门户

全栈开发

$150/小时

使用现代框架和技术的定制Web应用程序。

  • 前端:React、Vue.js、Next.js、Tailwind CSS
  • 后端:Node.js、Python、PHP(Laravel)、Java
  • 数据库:PostgreSQL、MySQL、MongoDB、Redis
  • 实时功能:WebSockets、服务器发送事件
  • 渐进式Web应用(PWA)和响应式设计

WebRTC与视频会议

$150/小时

定制视频会议解决方案和Jitsi集成。

  • 定制Jitsi Meet部署和品牌化
  • WebRTC点对点通信
  • 屏幕共享和录制功能
  • 定制视频会议UI/UX
  • 与现有应用程序集成

QA工程与测试

$55/小时

专业质量保证和全面测试服务。

  • 手动测试和测试用例开发
  • 自动化测试(Selenium、Cypress、Jest)
  • 性能和负载测试
  • 安全测试和漏洞评估
  • CI/CD管道中的持续测试

项目套餐

针对常见业务需求的固定价格完整解决方案

DeFi协议开发

$65,000

具有高级代币经济学的定制去中心化金融协议。

  • 智能合约开发和安全审计
  • 定制代币经济学和流动性池
  • 质押和收益农业机制
  • 治理系统实施
  • 多链部署支持

NFT市场平台

$45,000

具有多链支持和Web3集成的完整NFT市场。

  • NFT铸造、购买、销售和交易
  • 多链支持(Ethereum、Polygon、BSC)
  • 钱包集成(MetaMask、WalletConnect)
  • 版税系统和市场费用
  • 管理仪表板和分析

AI项目(从A到Z)

$25,000

从构思到生产部署的完整AI/ML解决方案。

  • 需求分析和AI战略
  • 定制模型开发和培训
  • 与现有系统集成
  • 生产部署和扩展
  • 启动后3个月支持

视频会议平台

$18,000

基于Jitsi的定制视频会议解决方案。

  • 定制品牌的Jitsi Meet部署
  • 屏幕共享和录制
  • 用户身份验证和房间管理
  • 移动应用支持(iOS/Android)
  • 分析和使用跟踪

企业SSO实施

$15,000

为您的组织提供完整的单点登录解决方案。

  • Gluu Server部署和配置
  • 集成最多10个应用程序
  • SAML、OAuth和OpenID Connect支持
  • 用户目录同步(LDAP/AD)
  • 文档和培训

定制Web应用程序

$15,000

使用现代技术构建的完全定制Web应用程序。

  • 现代UI/UX设计
  • 响应式前端(React/Vue.js)
  • 强大的后端(Node.js/Laravel)
  • 数据库设计和实施
  • 部署和托管设置

云基础设施设置

$12,000

具有CI/CD自动化的生产就绪云基础设施。

  • AWS/Azure/GCP架构设计
  • Docker和Kubernetes设置
  • CI/CD管道配置
  • 监控和警报设置
  • 文档和操作手册

完整电子商务解决方案

$8,500

具有支付处理和管理面板的完整电子商务网站。

  • 产品目录和购物车
  • 支付网关集成(Stripe/PayPal)
  • 订单管理和库存跟踪
  • 客户账户和订单历史
  • 用于内容管理的管理面板

月度保留

$6,000/月

为您的团队提供持续的DevOps和开发支持。

  • 每月40小时的专门支持
  • 优先响应时间(<4小时)
  • 基础设施监控和维护
  • 代码审查和技术指导
  • 灵活的小时结转政策

我们的团队

准备提供卓越成果的专业人士

Vlad Karapetyan

Vlad Karapetyan

首席工程师兼创始人

拥有15年以上经验的高级软件工程师。DevOps、云基础设施、SSO/身份验证和全栈开发专家。Upwork顶级评级,拥有12,000+小时和100%成功率。

LinkedIn个人资料
David Aghayan

David Aghayan

创始人兼首席全栈工程师

创始人兼首席全栈工程师,在现代Web技术方面拥有深厚的专业知识。专注于React、Node.js、Vue.js和构建企业级可扩展应用程序的高级主栈开发人员。将想法转化为具有卓越架构和简洁、可维护解决方案的坚实、可用于生产的代码。

LinkedIn个人资料
Emilian Tita

Emilian Tita

高级DevOps工程师

拥有20年以上经验的专家DevOps软件工程师。专注于基础设施管理、软件开发和敏捷方法。在项目管理和技术领导方面有良好的记录。

LinkedIn个人资料
Taron Khachatryan

Taron Khachatryan

高级前端开发人员兼UI专家

专注于React、Vue.js、Angular和现代JavaScript框架的专家前端开发人员。擅长以卓越的细节关注创建响应式、像素完美的用户界面。精通TypeScript、Next.js、Tailwind CSS和组件驱动架构。提供具有出色用户体验的优雅、高性能Web应用程序。

LinkedIn个人资料
Susanna Karapetyan

Susanna Karapetyan

QA工程师兼测试主管

具有手动和自动化测试专业知识的质量保证专家。精通Selenium、Cypress和测试自动化框架。确保无bug、高质量的软件交付。

LinkedIn个人资料
Nvard Khachatryan

Nvard Khachatryan

QA工程师兼测试专家

专注于回归测试、测试用例开发和性能测试的经验丰富的QA工程师。注重细节的专业人员,确保全面的测试覆盖。

LinkedIn个人资料

客户推荐

Upwork上满意客户的真实反馈——100%工作成功率

合作过的公司

受到全球领先组织的信赖

Career Highlights

15+
Years Experience
15+
Companies Worldwide
$1.5M+
Earned on Upwork
100%
Job Success Rate

技术专长

DevOps、云基础设施、区块链、身份验证系统和全栈开发

DevOps & Cloud Infrastructure

Docker
Kubernetes
Jenkins
GitLab CI
GitHub Actions
Terraform
Ansible
AWS
Azure
GCP
Linux
Nginx
Apache
Prometheus
Grafana

Blockchain & Web3

Solidity
Rust (Solana)
Ethereum
Solana
Binance Smart Chain
Tron
Web3.js
Ethers.js
Smart Contracts
NFT Development
DeFi Protocols
IPFS

Authentication & Security

OAuth 2.0
OpenID Connect
Gluu Server
SAML
SCIM 2.0

Backend Development

Java
Spring Framework
JSP/JSF
Java EE
PHP
Laravel
Node.js
Python
RESTful APIs
GraphQL

Frontend Development

React
Vue.js

Databases

MySQL
PostgreSQL
MongoDB
Redis

Specialized Services

WebRTC
Jitsi Meet
CMS/CRM
Payment Gateways

QA & Testing

Selenium
Cypress
Jest
Pytest
JUnit
Manual Testing
Test Automation
Performance Testing

客户推荐

Upwork上满意客户的真实反馈——100%工作成功率

"

"I wouldn't have any hesitation to hire Vlad due to his exceptional technical competence. Vlad's proficiency and skillset in the technical domain are truly outstanding. He consistently demonstrates a deep understanding of complex technical concepts and the ability to apply them effectively. His problem-solving abilities are second to none, and he has a knack for finding innovative solutions to intricate technical challenges. His dedication to staying updated with the latest industry trends and advancements makes him a valuable asset to any team."

UC
Upwork Client
Payment for work done - Oct 2023
⭐⭐⭐⭐⭐ 5.0
"

"Volodya has been a tremendous asset to our project in developing all components from Unit into Production. Using his extensive software engineer experience, he was able to enhance our code / automated testing framework. He was very quickly to remove any blockers, debug issues and re-design our API interface / enhance our security. It has been a pleasure working him with and we are looking forward to hire him for any future projects. Thank you!"

OT
Outsource Team Client
Sr. Full Stack Developer - Sep 2021 - Feb 2022
⭐⭐⭐⭐⭐ 5.0
"

"We have worked often with Vlad and he has a very good understanding of APIs, SSO, Video conferencing stacks. He shows a lot of initiative and is extremely versatile. We wont hesitate to work with him again and highly recommend him to others!"

IM
IntelMCU Client
WebRTC Product Development - Feb 2019 - Aug 2021
⭐⭐⭐⭐⭐ 5.0
"

"Vlad is an expert on Open ID, OAuth and Gluu. He has helped us with integrating many of our solutions - he wrote necessary APIs to sync data across applications with Gluu. He is dedicated and is a wonderful resource to work with. We continue to work with Vlad on other engagements and won't hesitate to hire him."

GC
Gluu SSO Client
Gluu SSO & SCIM Expert - Nov 2017 - Jun 2019
⭐⭐⭐⭐⭐ 5.0
"

"Great to work with. Knowledgeable and patient."

SA
System Administrator Client
Gluu Expert - Jun 2021 - Jan 2022
⭐⭐⭐⭐⭐ 5.0
"

"Enterprise Class IAM specialist with deep expertise in SCIM 2.0 deployment. Delivered exceptional results on authentication and identity management systems."

EC
Enterprise IAM Client
SCIM 2 Deployment - Aug 2023 - Sep 2023
⭐⭐⭐⭐⭐ 5.0

案例研究

真实项目,对全球企业的真实影响

RAD Intel - 云基础设施与DevOps自动化

公司:RAD Intel(远程)| 角色:DevOps工程师
2021年11月 - 至今

挑战: 需要强大的CI/CD管道和可扩展的云基础设施来支持快速增长的AI/ML平台。

解决方案: 使用Jenkins和GitLab CI架构和部署了具有自动化CI/CD的全面AWS基础设施。为微服务实施Docker容器化和Kubernetes编排。使用Prometheus和Grafana设置监控。

结果: 将部署时间从数小时减少到数分钟。实现99.9%的正常运行时间。自动化基础设施配置,将设置时间减少80%。

ProTech Solutions - 高级软件架构师与DevOps

公司:ProTech Solutions Inc(通过Upwork自由职业)| 角色:高级软件架构师
2017 - 2022(5年)

挑战: 多个企业客户需要具有强大DevOps实践和云架构的复杂全栈解决方案。

解决方案: 使用React、Node.js、Python和Laravel领导开发多个企业应用程序。实施CI/CD管道、自动化测试以及在AWS和Azure上的云部署。提供技术领导和代码审查。

结果: 成功交付12+个企业项目。保持100% Upwork工作成功分数和5星评价。客户实现可衡量的ROI和运营效率。

Gluu Inc - 企业IAM与SSO实施

公司:Gluu Inc | 角色:SSO与身份验证专家
多个项目 2018 - 至今

挑战: 企业客户在多个应用程序中面临分散的身份验证系统、安全漏洞和复杂的用户管理。

解决方案: 为集中式身份和访问管理实施Gluu Server。配置OAuth 2.0、OpenID Connect和SAML 2.0集成。设置MFA和与LDAP/Active Directory的用户联合。

结果: 在每个客户的10+个应用程序中实现统一身份验证。增强安全态势和合规性。将密码重置工单减少70%。

ET Virtual Worlds - 区块链架构与NFT生态系统

公司:ET Virtual Worlds | 角色:区块链专家
元宇宙平台开发

挑战: 为沉浸式元宇宙平台架构复杂的区块链基础设施,需要跨不同区块链网络的无缝多链互操作性和可扩展的NFT生态系统。

解决方案: 为Ethereum和Polygon用Solidity开发智能合约。构建NFT铸造和交易系统。实施跨链桥接和Web3钱包集成。创建定制代币经济学和质押机制。

结果: 推出具有多链支持的成功NFT市场。处理10,000+个NFT交易。构建支持50,000+并发用户的可扩展基础设施。

定制Jitsi视频会议解决方案

多个企业客户(Upwork)| 角色:WebRTC与Jitsi专家
2020 - 至今

挑战: 客户需要具有超出商业平台提供的定制功能的安全、可扩展、品牌化视频会议解决方案。

解决方案: 部署具有品牌UI/UX的定制Jitsi Meet实例。实施身份验证、录制和定制功能。优化高质量视频和低延迟。

结果: 交付5+个定制视频平台。支持数千个并发会议。客户与商业解决方案相比节省70%。

Simplessus - 全栈开发与API集成

公司:Simplessus Corporation | 角色:全栈开发人员
多个项目

挑战: 需要与多个第三方API和服务无缝集成的复杂Web应用程序。

解决方案: 使用React、Vue.js和Laravel构建现代Web应用程序。集成支付网关、CRM系统和营销自动化工具。实施RESTful API和实时功能。

结果: 交付处理100,000+用户的可扩展应用程序。无缝API集成将手动工作减少60%。通过响应式设计增强用户体验。

GITST - Enterprise Software Development

Company: GITST | Role: Software Engineer
Previous Experience

Challenge: Developing enterprise-grade software solutions with high reliability and performance requirements.

Solution: Built robust enterprise applications using modern development practices, implemented comprehensive testing strategies (unit, integration, E2E), followed SOLID principles and design patterns, conducted code reviews and mentored junior developers, optimized application performance, and ensured security best practices.

Impact: ✓ Delivered mission-critical applications | ✓ 99.99% application uptime | ✓ Improved code quality metrics | ✓ Reduced bug reports by 65% | ✓ Faster feature delivery cycles

Professional Experience

15+ Years of Expert Software Engineering

Senior Software Engineer & SSO Specialist

Upwork (Top Rated Freelancer)
2017 - Present

Delivered 12+ successful projects with 100% job success rate and 12,000+ billable hours. Specialized in enterprise IAM solutions, SCIM 2 deployments, Gluu Server implementations, and complex API integrations. Notable clients include enterprise companies requiring secure authentication systems and video conferencing solutions.

Full Stack PHP Developer

Various Enterprise Clients
2015 - 2021

Built scalable web applications using Laravel, CodeIgniter, and WordPress. Developed custom CMS/CRM solutions, API integrations, and payment gateway implementations. Expertise in database design, optimization, and AWS deployment. Created custom plugins, themes, and modules for various platforms.

Authentication Systems Developer

Global Clients (SSO/OAuth Projects)
2019 - Present

Expert implementation of OAuth 2.0, OpenID Connect, SAML, and Gluu Server for enterprise clients. Built custom authentication solutions, user provisioning systems (SCIM 2.0), and multi-app SSO configurations. Helped organizations secure their applications and streamline identity management across platforms.

Frequently Asked Questions

Everything you need to know about working with us

We specialize in DevOps & Cloud Infrastructure (AWS, Azure, GCP), Enterprise SSO & Authentication (OAuth, OpenID Connect, Gluu Server), Blockchain Development (Smart Contracts, NFT, DeFi), Full-Stack Development (Laravel, React, Vue.js), AI/ML Project Development, Video Conferencing Solutions (Jitsi, WebRTC), and API Development & Integration. With 15+ years of experience, we've successfully delivered 100+ projects across these domains.

We offer two pricing models: Fixed-Price Packages ($8,500 - $65,000) for well-defined projects with clear scope and deliverables, and Hourly Services ($55 - $250/hour) for consulting, ongoing support, or projects with evolving requirements. We also offer monthly retainer packages starting at $6,000/month for continuous support.

Project timelines vary based on complexity and scope. Typical timelines are: E-Commerce platforms (6-8 weeks), Enterprise SSO implementation (8-12 weeks), Cloud infrastructure setup (4-6 weeks), NFT Marketplace (12-16 weeks), DeFi Protocol (16-24 weeks), and Custom Web Applications (8-12 weeks). We provide detailed project plans with milestones and regular progress updates.

Yes! All our fixed-price packages include 2-6 months of post-launch support depending on the package. This covers bug fixes, minor adjustments, and technical assistance. After the included support period, you can opt for our monthly retainer service ($6,000/month for 40 hours) or pay-as-you-go hourly support.

Cloud & DevOps: AWS, Azure, GCP, Docker, Kubernetes, Terraform, Jenkins, GitLab CI/CD
Backend: Laravel, Node.js, Python, PHP, Java
Frontend: React, Vue.js, Angular, JavaScript
Blockchain: Ethereum, Solana, BSC, Tron, Solidity, Rust
Authentication: Gluu Server, OAuth 2.0, OpenID Connect, SAML, SCIM 2.0
Databases: MySQL, PostgreSQL, MongoDB, Redis
Video: Jitsi Meet, WebRTC, AWS IVS

Absolutely! We frequently integrate with existing development teams and work with legacy codebases. Our expertise includes code reviews, refactoring, modernization, and seamless collaboration through Git, Slack, Jira, and other standard development tools. We adapt to your team's workflow and communication preferences.

Quality and security are our top priorities. We implement: comprehensive code reviews, automated testing (unit, integration, E2E), security audits for smart contracts and authentication systems, OWASP security best practices, regular penetration testing, encrypted communications, secure CI/CD pipelines, and compliance with industry standards (SOC 2, GDPR, HIPAA where applicable).

We maintain flexible hours to accommodate clients across different time zones. Communication typically happens via Slack, email, or scheduled video calls. For project work, we provide: daily standups for active projects, weekly progress reports, dedicated Slack channels, and 24-48 hour response time for urgent issues. Monthly retainer clients receive priority support with faster response times.

Yes, we routinely sign NDAs and work-for-hire agreements. We understand the importance of confidentiality and intellectual property protection. All code, designs, and deliverables are transferred to you upon project completion and final payment. We're also happy to review and sign your company's standard agreements.

Getting started is simple: 1) Schedule a free consultation call using our calendar below, 2) We'll discuss your requirements, timeline, and budget, 3) Receive a detailed proposal with scope, timeline, and pricing, 4) Sign the agreement and make the initial payment, 5) Project kickoff with team introductions and planning. Most projects can start within 1-2 weeks of agreement signing.

Still Have Questions?

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Contact Information

🌍 Location

International (Remote)

⏱️ Response Time

Within 24 hours

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What to Expect

📋

Project Discussion

Review your requirements and technical needs

💡

Solution Planning

Discuss best approaches and technologies

💰

Transparent Pricing

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Education & Certifications

Academic background and professional development

🎓

Bachelor of Engineering (BEng)

State Engineering University of Armenia (SEUA)

Duration: 2005 - 2009

Specialized in Software Engineering with focus on distributed systems and enterprise applications. Participated in Armenian-Indian Center of Excellence (EIFA) for advanced Java programming and Web development.

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Professional Certificate

SEUA College

Duration: 2003 - 2005

Advanced technical education in Computer Science and Software Development fundamentals.

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Secondary Education

N.199 Henrik Khachatryan Secondary School

Duration: 1995 - 2003

Completed high school education with strong foundation in mathematics and sciences.

🏆 Professional Training & Certifications

💻
Armenian-Indian Center of Excellence (EIFA)

Advanced Java Programming & Web Development Certification

🔐
Identity & Access Management (IAM)

Specialist in OAuth, OpenID Connect, SAML, and Gluu Server Architecture

☁️
Cloud & DevOps Expertise

AWS Certified Solutions Architect • Kubernetes • Docker • CI/CD

⛓️
Blockchain Technologies

Ethereum, Solana, and Tron Blockchain Architecture & Development

Open Source & Projects

Explore my latest repositories and contributions on GitHub

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Public Repositories

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