Nemanja Krivokapic
Verified Expert in Engineering
Video Streaming Developer
Nemanja七年前作为LAMP栈的一名web开发人员开始工作. Through the years, he has moved from custom CMS projects to enterprise-scale, high-availability platform Java development. Thanks to his broad technical experience, 他花了几年时间作为Java Core高级工程师从事OTT/IPTV流媒体平台的开发. 如今,他是一名OTT/IPTV系统架构师,负责为欧洲一家领先的行业参与者制定OTT/IPTV平台的战略规划.
Portfolio
Experience
Availability
Preferred Environment
Git, MacOS, IntelliJ IDEA, iTerm2
The most amazing...
...我已经实现的是OTT/IPTV混频器服务的DRM (MPEG-CENC)保护加密算法.
Work Experience
Software Architect
United Cloud
- 为现有的单片软件设计了面向服务的微体系结构.
- 创建并管理开发实时广告插入到线性内容流的团队.
- 监督和设计向持续部署和Kubernetes部署的迁移.
- 按照开发和部署过程中的最佳行业标准,管理从遗留单片应用程序到现代应用程序部署的过渡.
Owner
KNetwork Solutions
- 使用AngularJS/Silex技术栈开发了一个运行时跟踪应用程序.
- Developed a REST API with Java (Spring).
- 创建了一个基于Vagrant的框架开发环境,用于快速启动带有PHP后端的单页应用程序.
- 实践了基于Behat、Mink和Chai的行为驱动开发.
- Created a dynamic image resize component with caching mechanism.
Senior Technical Team Leader
Levi9 Ukraine
- Translated business requirements to architecture decisions.
- Designed a high-volume transaction system for card processing.
- 使用GitLab CI/CD管道为K8s集群配置和部署.
Java Practice Lead
United Cloud
- 在一年内将开发者数量从4个增加到10个以上.
- 举办几场内部和外部的技术讲座,以支持招聘和公司品牌推广.
- 与人力资源部合作,规范新员工的面试流程.
- 确保所有员工都有明确的发展路径,并定期跟进讨论进展并提供反馈.
Java Core Senior Developer
United.Cloud
- Implemented MPEG-CENC and multicast packet distribution.
- Introduced CI to the build process using Jenkins/Gradle/Nexus.
- 集成多DRM支持Widevine, PlayReady和FairPlay平台.
- Worked with native SmartTV platforms on video playback.
Software Engineer
Seven Bridges Genomics
- Programmed a JPA library for REST API CRUD operations.
- Refactored a legacy billing system.
- Designed a permission microservice.
- Designed and built a proof of concept for JWT OAuth.
- 实现了大型数据集REST API端点速度提升100倍.
WordPress/AWS Developer
Gampets (via Toptal)
- Configured EC2.
- Configured RDS.
- Deployed a WP site to AWS.
- Configured DNS for new environment.
- Suggested the least expensive solution to support customer needs.
Software Engineer
PSTech
- 为3D图形操作的移动和JavaScript应用程序创建了一个REST API.
- 配置并集成了Gearman Job Server和PHP,用于卸载繁重的后台任务.
- 构建了一个可扩展的Java应用程序,以支持使用AWS服务的大量请求.
- 用Java (Spring)创建一个REST API,用于处理来自桌面客户端应用程序和JavaScript web应用程序的信息.
- 构建一个使用AWS SQS作为队列服务的发布/订阅组件.
- Integrated with PayPal checkout payments.
Web Developer
CodeAnvil
- Worked as the main developer on http://brandsupply.com platform for graphic designers.
- 开发每日团购联盟平台,自动更新10多个团购网站的每日团购.
- 通过一个集中的后端应用,构建了一个管理分布式迷你站点的web平台.
- Created a project management tool for internal use.
- 为高级路由系统编写了一个CodeIgniter扩展,该扩展可通过后端应用程序完全配置.
Experience
FishingBooker
http://fishingbooker.com技术:PHP, CodeIgniter, MySQL, PDO, Guzzle, PayPal PHP SDK
InsideMaps
http://www.insidemaps.com/Once a 3D model is created, we provide an immersive, quick, 基于web的3D环境,具有创新的工具,帮助潜在的购房者可视化家庭内部,并为房主尝试家具,并在他们的虚拟家庭中进行家庭改进.
技术:PHP, Zend Framework 2, Gearman, AWS, ThreeJS, jQuery, PayPal Checkout集成
XooPlate
Technologies: PHP, CodeIgniter, MySQL, Bootstrap CSS, jQuery
EON TV
http://eon.tv/有一个用于摄取VOD(点播)的转码管道应用程序, non-linear) content into the platform. CDN分发和监控也作为平台的一部分进行开发.
Skills
Languages
Java, Java 8, Go, PHP, Python, JavaScript
Tools
AWS SDK, Amazon CloudWatch, PhpStorm, Sublime Text, Git, GitLab CI/CD, Amazon Simple Queue Service (SQS), IntelliJ IDEA
Paradigms
API Architecture, REST, Object-oriented Programming (OOP), Back-end Architecture, Distributed Programming, Scrum
Other
Video Streaming, Digital Rights Management (DRM), HTTP Live Streaming (HLS), MPEG-DASH, Architecture, Back-end, Software Architecture, H264, MPEG, TCP/IP, UDP, Multicast, DNS, Smooth Streaming, Video Encoding, Cloud, Relational Database Services (RDS), HTTP, iTerm2, System Architecture
Frameworks
Spring, JPA, Hibernate, Jersey
Libraries/APIs
FFmpeg, PayPal API, Jackson
Platforms
Amazon EC2, Amazon Web Services (AWS), Unix, Windows, Rancher, Kubernetes, Docker, MacOS
Storage
Amazon S3 (AWS S3), MongoDB, MySQL, MariaDB, CockroachDB, CouchDB
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