Alexander Danylenko

Alexander Danylenko Email and Phone Number

Senior Software Engineer @ Navan | Java, Kotlin, JavaScript, Spring Boot, SQL, NoSQL, Kafka, Docker, GCP, Computer Science @ Navan
Alexander Danylenko's Location
San Francisco Bay Area, United States, United States
About Alexander Danylenko

Passionate about engineering and driving efficiency and performance forward. A technology leader with experience in large-scale backend infrastructure. I specialize in products and all stages of the software development life cycle.My focus:• Backend engineering• Overseeing and building the entire technical operation of the full-stack development team.• System design and architecture. Converting complex tasks into elegant and structured solutions.• do magical things :)I just love programming and I cannot imagine life without it!I'm always looking to grow my personal and professional network. Feel free to connect!Skillset:Cloud: Google Cloud Platform, Docker, Kubernetes, Terraform, Prometheus, Grafana, New Relic, EC2, EMR cluster, S3, AlthenaJava: Spring Boot, Spring Cloud, Spring Data, Spring Reactor, Maven, Gradle, JUnit, JBDC, Microservices, Apache Kafka, RedisPHP: Symfony, Yii, PHPUnit, MySQL, Nginx & PHP-FPM, WordPressJavaScript: VanillaJS, ReactJS, Redux, Saga, HTML, CSS, PhotoshopLead: Mentorship, team leadership, problem solving, project management, decision making, tech spec design & planning & implementation

Alexander Danylenko's Current Company Details
Navan

Navan

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Senior Software Engineer @ Navan | Java, Kotlin, JavaScript, Spring Boot, SQL, NoSQL, Kafka, Docker, GCP, Computer Science
Alexander Danylenko Work Experience Details
  • Navan
    Senior Software Engineer
    Navan Oct 2024 - Present
    Palo Alto, California, Us
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  • Revolut
    Senior Software Engineer
    Revolut Feb 2022 - Sep 2024
    London, England, Gb
    - Refactored and enhanced the loan system architecture, boosting its scalability and enabling the efficient implementation of flexible, country-specific solutions to support a diverse customer base.- Found and fixed a critical bug which was causing losses for the company, by identifying incorrect calculations in the codebase.- Led the development of new functionalities within the Open Market and PCW systems, allowing users to obtain loans outside of the native application.- Designed and developed tailored loan systems for multiple European markets, resulting in higher turnover and earnings for the company.- Led a team of new joiners in the development of a loan system tailored to the market of one country; optimized loan processing time and achieved a reduction in loan application errors.- Created a custom Birthday plugin tailored to the market of one country, enhancing the user experience and boosting the application rate.
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  • Nuorder By Lightspeed
    Senior Software Engineer
    Nuorder By Lightspeed Jul 2021 - Feb 2022
    Los Angeles, California, Us
    - Developed and implemented a permission-based authentication system using JWT tokens for a gRPC Spring Boot server, ensuring the security of 100% of requests from internal services or users. This implementation includes robust permission support for enhanced security.- Engineered a synchronization system connecting BigTable and ElasticSearch through PubSub using Apache Beam, ensuring seamless data transfer and integration; reduced data processing time by 50% and improved overall system performance.- Crafted and implemented a dynamic load testing service that enables the deployment of Kubernetes jobs and the collection of load metrics, utilizing the JMeter library, leading to the identification and resolution of performance issues, resulting in a 10% improvement in overall system performance.
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  • Videal
    Java Bigdata Software Engineer
    Videal Sep 2019 - Jul 2021
    Kharkiv, Kharkivska, Ua
    - Built an Hbase ORM that supports AsyncConnection, leading to more efficient resource utilization and a 15% increase in application performance.- Created an API system to provide real-time data access to our customers.- Implemented Big Data pipelines for Apache Spark and ran them on EMR clusters.
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  • Wix.Com
    Senior Backend Developer
    Wix.Com Jul 2018 - Jul 2019
    Tel Aviv, Il
    - Rewrote legacy frontend to a new Modern React.js framework.- Delivered a tracking analytics system for user actions.- Refactored legacy backend code to implement new modern PHP features that led to a performance improvement of 50%.
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  • Lancaster Solutions
    Senior Full Stack Web Developer
    Lancaster Solutions Apr 2017 - Jun 2018
    Luxembourg, Lu
    - Developed a system (site builder) from scratch, allowing users to build websites from provided components.- Integrated our system with the Casino game provider AleaPlay.- Designed the system architecture.
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  • 4Ti (For Turning Ideas)
    Cto
    4Ti (For Turning Ideas) Oct 2012 - Dec 2016
    - CTO at 4TI, outsourcing web development company- Ran rapid team expansion, scaling from 4 to 20 professionals.- Acquired all company clients and projects, contributing to a significant company portfolio.- Strategically planned business development.- Created our internal processes from scratch.- Led our most critical and significant projects.- Provided direct communication and support to clients.- Mentored new team members.- Managed company staff.
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  • Valant
    Php Developer
    Valant Apr 2011 - Sep 2012
    New York, Us
    - Developed websites from scratch using a JS and PHP stack.
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  • Justcoded
    Web Developer
    Justcoded Apr 2010 - Apr 2011
    Kharkiv, Kharkiv, Ua
    - Conducted HTML/CSS website markup from Photoshop designs.
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Alexander Danylenko Skills

Php Mysql Javascript Html 5 Symfony2 Oop Css3 Ajax Yii Android Wordpress Mvc Ios Subversion Json Html Jquery Xml Zend Framework Css Phonegap Angularjs Java Angular 2 Typescript React.js Scala

Alexander Danylenko Education Details

  • Kharkiv National University Of Radioelectronics
    Kharkiv National University Of Radioelectronics
    Master'S Degree
  • Kharkiv National University Of Radioelectronics
    Kharkiv National University Of Radioelectronics
    Information Security

Frequently Asked Questions about Alexander Danylenko

What company does Alexander Danylenko work for?

Alexander Danylenko works for Navan

What is Alexander Danylenko's role at the current company?

Alexander Danylenko's current role is Senior Software Engineer @ Navan | Java, Kotlin, JavaScript, Spring Boot, SQL, NoSQL, Kafka, Docker, GCP, Computer Science.

What schools did Alexander Danylenko attend?

Alexander Danylenko attended Kharkiv National University Of Radioelectronics, Kharkiv National University Of Radioelectronics.

What skills is Alexander Danylenko known for?

Alexander Danylenko has skills like Php, Mysql, Javascript, Html 5, Symfony2, Oop, Css3, Ajax, Yii, Android, Wordpress, Mvc.

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