Alex Bondar

Alex Bondar Email and Phone Number

Java Developer @ Cisco
California, United States
Alex Bondar's Location
San Francisco Bay Area, United States, United States
Alex Bondar's Contact Details

Alex Bondar work email

Alex Bondar personal email

n/a
About Alex Bondar

► I’m a 𝐒𝐞𝐧𝐢𝐨𝐫 𝐉𝐚𝐯𝐚 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with 𝟏𝟏+ 𝐲𝐞𝐚𝐫𝐬 of experience in crafting high-performance applications, seamlessly blending robust 𝐛𝐚𝐜𝐤-𝐞𝐧𝐝 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 with engaging 𝐟𝐫𝐨𝐧𝐭-𝐞𝐧𝐝 𝐢𝐧𝐭𝐞𝐫𝐟𝐚𝐜𝐞s. My expertise lies in designing scalable, cloud-based architectures using 𝐀𝐖𝐒 services like 𝐄𝐂𝟐, 𝐋𝐚𝐦𝐛𝐝𝐚, 𝐑𝐃𝐒, and DynamoDB, delivering solutions that are both efficient and cost-effective. ► On the 𝐟𝐫𝐨𝐧𝐭 𝐞𝐧𝐝, I excel with 𝐑𝐞𝐚𝐜𝐭 and 𝐀𝐧𝐠𝐮𝐥𝐚𝐫, building dynamic and user-friendly interfaces that drive user engagement. I’ve integrated these frameworks with Java-based 𝐑𝐄𝐒𝐓𝐟𝐮𝐥 𝐀𝐏𝐈𝐬, SOAP services, and gRPC, ensuring smooth communication between back-end services and the user experience. ► I specialize in event-driven microservices using 𝐒𝐩𝐫𝐢𝐧𝐠 𝐁𝐨𝐨𝐭, 𝐀𝐩𝐚𝐜𝐡𝐞 𝐊𝐚𝐟𝐤𝐚, and Kafka Streams, powering real-time data processing for high-traffic environments. My skills in advanced Java concurrency, multithreading, and optimized Garbage Collection have consistently led to improved responsiveness and lower latency in demanding systems. ► I’m also passionate about building reusable components, implementing state management with 𝐑𝐞𝐚𝐜𝐭, and creating modular 𝐀𝐧𝐠𝐮𝐥𝐚𝐫 components that speed up development. I focus on delivering interactive, responsive design that works seamlessly across browsers and devices, ensuring a smooth user experience on both web and mobile platforms. ► As a strong advocate for 𝐂𝐈/𝐂𝐃, I use tools like 𝐉𝐞𝐧𝐤𝐢𝐧𝐬, 𝐆𝐢𝐭𝐇𝐮𝐛 Actions, and Spinnaker to automate deployments, making sure releases are quick and smooth for both front-end and back-end updates. I have a solid background in unit testing, using Jest, Jasmine, and Selenium for front-end validation, alongside 𝐉𝐔𝐧𝐢𝐭, 𝐌𝐨𝐜𝐤𝐢𝐭𝐨, and 𝐂𝐮𝐜𝐮𝐦𝐛𝐞𝐫 for the back end. ► Security is a priority in my work—whether it’s using 𝐒𝐩𝐫𝐢𝐧𝐠 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲, 𝐎𝐀𝐮𝐭𝐡𝟐, and 𝐉𝐖𝐓 for protecting APIs or implementing token-based authentication for front-end applications. My deep understanding of 𝐂𝐨𝐫𝐞 𝐉𝐚𝐯𝐚 and 𝐎𝐎𝐏 is complemented by my skills in TypeScript and JavaScript, making me versatile across the full stack. ► Beyond the code, I’m known for my collaborative approach to problem-solving and mentoring junior developers, helping them grow in both front-end and back-end technologies. I thrive in 𝐀𝐠𝐢𝐥𝐞 and 𝐒𝐜𝐫𝐮𝐦 environments, where I can contribute to team success and drive continuous improvement.

Alex Bondar's Current Company Details
Cisco

Cisco

View
Java Developer
California, United States
Website:
cisco.com
Employees:
94888
Alex Bondar Work Experience Details
  • Cisco
    Java Developer
    Cisco
    California, United States
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  • Jpmorganchase
    Senior Java Developer
    Jpmorganchase Oct 2023 - Present
    New York, Ny, Us
    ► Developed core digital wallet features like offline provisioning, updates, and eligibility services using Java 17 and Spring Boot, boosting transaction throughput by 15%.► Built and optimized microservices for wallet management with Spring Boot, PostgreSQL, and Hibernate. Used AWS RDS Aurora for high availability, reducing downtime during peak usage.► Designed RESTful Web Services with Spring Boot, OpenFeign, and GraphQL, improving query performance and reducing data over-fetching from React front-end components.► Integrated Apache Kafka for event-driven communication and Kafka Streams for real-time transaction aggregation, speeding up fraud detection. Streamlined workflows with AWS Step Functions, cutting error rates by 10%.► Managed AWS deployments with EC2, S3, and Elastic Load Balancing (ELB) with Autoscaling, ensuring smooth scaling during high-traffic periods.► Enhanced security using Spring Security, OAuth2, and JWT, reducing unauthorized access and protecting user data.► Optimized backend performance using Java multithreading, reducing response times by 20% during high-volume transactions.► Implemented Drools for automated credit assessments and fraud detection, allowing dynamic rule updates without service restarts.► Configured Jenkins pipelines for CI/CD and integrated Spinnaker for Docker management, speeding up deployments.► Reduced latency by 15% using Redis caching, improving data retrieval speeds.► Achieved 95% test coverage with JUnit, Mockito, and Cucumber, ensuring microservice reliability.► Monitored AWS resources with Amazon CloudWatch, maintaining 99.9% uptime through alerts.► Automated data migrations and server tasks with Python and Unix/Bash scripts, reducing manual effort.► Deployed Spring Cloud Gateway for secure API routing, integrated with AWS Step Functions.► Created API documentation and technical designs, reducing onboarding time for new developers.
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  • Apple
    Senior Java Back-End Developer
    Apple Feb 2023 - Sep 2023
    Cupertino, California, Us
    ► Developed and optimized a Workflow Management System (WFMS) using Java, Spring Framework, and Hibernate, increasing processing speed by 15% and reducing manual workflows.► Designed scalable Spring Boot microservices for the WFMS, using gRPC to streamline communication and cut data exchange latency by 15%.► Managed AWS infrastructure with EC2 and S3, achieving 99.9% uptime and ensuring smooth access to large datasets.► Enhanced real-time data integration with Apache Kafka and AWS Kinesis, reducing processing latency by 10% and improving decision-making.► Automated 80% of deployments with Jenkins CI/CD pipelines, reducing deployment times and maintaining smooth collaboration through Git.► Strengthened data security with Spring Security, implementing encryption protocols to ensure compliance with data protection standards.► Optimized backend performance with Java multithreading, enabling concurrent workflow execution and increasing throughput by 20%.► Designed SQL and JPA schemas for improved data management, integrating Elasticsearch for faster searches.► Achieved 95% code coverage with unit and integration tests using JUnit, TestNG, and Mockito, ensuring reliable service interactions.► Automated routine tasks using Python and managed server logs with Unix/Bash, reducing manual deployment time.► Utilized JSON and XML for data serialization, facilitating communication with third-party systems.► Monitored the WFMS with AWS CloudWatch, using custom alerts to maintain system stability.► Conducted load testing with Apache JMeter, identifying bottlenecks and increasing capacity for concurrent users.► Deployed the WFMS with Docker containers, ensuring consistent performance across development and production environments.► Created detailed technical documentation, including API guides, simplifying ongoing development and onboarding.► Contributed to Agile practices, participating in sprints and retrospectives to ensure timely feature delivery and improvements.
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  • Cisco
    Senior Java Full-Stack Developer
    Cisco May 2021 - Jan 2023
    San Jose, Ca, Us
    ► Developed network simulators using Java and Spring Boot, adding SNMP traps, GPS features, and configuration management, improving testing coverage by 20%.► Built microservices for a Network Management System (NMS) with Spring Boot and Spring Cloud, integrating Keycloak for secure authentication.► Optimized data retrieval with Redis caching and automated workflows using AWS Step Functions, reducing manual tasks and improving efficiency.► Designed and implemented RESTful APIs and gRPC services with Apache Kafka, reducing API latency by 20%.► Managed AWS deployments with EC2, ECS, Lambda, S3, and databases with RDS and Aurora, ensuring scalability and rapid deployments with Helm.► Developed Angular modules for real-time network management dashboards, enhancing engagement for 1,000+ users.► Enhanced backend performance with Java multithreading and CompletableFutures, improving data handling.► Secured microservices with JWT and OAuth2, reducing unauthorized access. Maintained code quality with SonarQube and Checkmarx.► Created 50+ automated test scripts with Selenium and JUnit, reducing manual testing by 40% and ensuring stability.► Managed databases in PostgreSQL, MySQL, and DynamoDB, streamlining data migrations and reducing time by 20%.► Monitored applications with Grafana, Prometheus, and Kibana, cutting mean time to resolution (MTTR) by 15%.► Designed services with Kafka and RabbitMQ, improving microservices responsiveness and data synchronization.► Mentored junior developers, accelerating their growth in Java, Spring Boot, and microservices.► Contributed to Agile sprints, using TDD and BDD with Cucumber, speeding up feature delivery.► Built Docker images and managed Kubernetes containers, optimizing resource usage by 25%.► Streamlined version control with GitHub, implementing advanced branching strategies and improving collaboration.► Automated builds with Maven and Gradle, reducing integration tasks and cutting build times.
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  • Cisco
    Senior Java Developer
    Cisco Oct 2019 - Mar 2021
    San Jose, Ca, Us
    ► Built and maintained Core Function Packs (CFPs) for the Secure Agile Edge (SAE) platform using Java, Spring Boot, and NSO, adding features and improving performance, which boosted processing efficiency. Utilized Zookeeper for smooth service synchronization.► Developed Network Element Drivers (NEDs) with Java and Yang models, expanding hardware compatibility, and leveraged Kafka Streams for real-time data flow, reducing latency in network updates.► Automated deployments with Python, and Jenkins CI/CD, cutting deployment times by 35%.► Managed Kubernetes setups using Helm, ensuring consistency across environments.► Deployed Java-based network services with Docker and Kubernetes, delivering stable releases across varied environments. Enhanced incident recovery using Helm, reducing downtime.► Strengthened network security with Role-Based Access Control (RBAC) in NSO and integrated Spring Security for compliance.► Developed RESTful APIs in Java for integrating third-party systems, supporting network orchestration within a microservices framework. Built React-based dashboards for real-time data visualization.► Monitored service health using Grafana, Prometheus, and Jaeger, providing real-time insights into CFP performance and reducing issue detection time.► Designed and deployed nano services with Java, enhancing proactive monitoring and system resilience. Improved service coordination using Zookeeper.► Created automated test cases with Java and Erlang, using multithreading to speed up validation and reduce testing times. Simulated network functions with Netsim, saving testing costs.► Integrated Kibana with Elasticsearch for advanced log analysis, accelerating troubleshooting.► Automated routine tasks using Python and Unix/Bash, minimizing manual intervention.► Mentored junior developers, helping them master Java and microservices architecture.► Managed version control with Bitbucket, streamlining network configuration management and team collaboration.
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  • Mercado Libre
    Java Back-End Developer
    Mercado Libre May 2018 - Sep 2019
    Buenos Aires, Ar
    ► Developed microservices for order and checkout processes using Java, Spring Boot, and RESTful APIs, enabling seamless transactions across Latin American markets. Integrated React interfaces for real-time order status updates, boosting user satisfaction.► Optimized data storage and retrieval in Cassandra, implementing indexing and data replication strategies, reducing latency by 15%. Utilized Apache Spark for batch processing, accelerating the analysis of millions of order records.► Transformed the system architecture from monolithic to microservices-based with Spring Boot, speeding up deployments and allowing for faster feature rollouts.► Integrated SOAP-based web services for regional payment systems, ensuring compliance with a variety of regulations. Leveraged AWS Kinesis for real-time analytics, improving payment processing insights and minimizing delays.► Automated testing with JUnit and Mockito, achieving 90% test coverage and reducing production bugs. Validated front-end and backend integration using Selenium, ensuring a smooth and reliable user experience.► Secured customer data with Spring Security and OAuth2, strengthening API authentication and reducing unauthorized access attempts.► Managed version control with Git and Bitbucket, enabling effective team collaboration and maintaining a clean codebase.► Enhanced search capabilities with Elasticsearch, reducing data retrieval times by 20%.
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  • Docspot
    Java Developer
    Docspot Apr 2016 - Apr 2018
    ► Developed backend services for a geolocation search platform using Java and Spring Boot, helping patients find doctors and therapists based on location, specialty, and insurance.► Enhanced query efficiency using GraphQL, reducing backend load► Designed RESTful APIs to link backend services with user-facing features, enabling real-time search results. Improved data transmission using gRPC, cutting latency by 15%► Integrated Hibernate with MySQL, optimizing complex queries for faster search responses, improving response times by 25%. Kept provider data synchronized with Apache Kafka, ensuring real-time updates► Implemented secure access to patient data with Spring Security and OAuth2, meeting privacy regulations while improving microservices communication► Developed unit and integration tests with JUnit, Mockito, and Selenium, reducing manual testing time.► Performed load testing with Apache JMeter to ensure system stability during peak periods► Deployed backend services on AWS EC2 with S3 for storage, enhancing scalability. Managed deployments with OpenShift for better control over Kubernetes resources► Contributed to Agile sprints, engaging in daily stand-ups and sprint reviews to ensure timely feature delivery. Integrated Jaeger for real-time service monitoring, reducing troubleshooting time
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  • R&A Trucking Logistics Company
    Java/J2Ee Developer
    R&A Trucking Logistics Company Sep 2014 - Apr 2016
    ► Developed a real-time GPS tracking system using Java and Spring Boot, providing visibility into truck locations and improving route planning efficiency. Enhanced data synchronization with Apache Kafka, cutting data delays by 15%► Built RESTful APIs for transmitting location data between tracking devices and the backend, ensuring timely delivery updates for customers. Used gRPC for faster data transmission, optimizing API performance► Managed data storage with Oracle and Hibernate, customizing queries and data models, reducing query times by 20%. Integrated AWS Step Functions for complex logistics workflows, streamlining processes► Secured API endpoints with Spring Security, ensuring safe data transmission between tracking systems and client dashboards. Integrated Firebase for simplified authentication in mobile tracking apps► Automated testing with JUnit and Mockito, achieving comprehensive coverage and minimizing deployment errors. Conducted load testing with Apache JMeter to validate system performance under peak conditions► Deployed services in Docker containers and managed scalability with Kubernetes, ensuring high availability across regions. Used Istio for traffic management, improving Kubernetes resilience► Followed Agile methodologies, collaborating closely with team members to deliver features that improved logistics operations. Enhanced coordination using Zookeeper across distributed services
  • Pfizer
    Java Developer
    Pfizer Jan 2013 - Sep 2014
    New York, New York, Us
    ► Developed backend services for a Clinical Trial Management System using Java, Spring, and Hibernate, managing patient data and clinical study tracking across regions. Integrated AWS Kinesis for real-time analysis, improving decision-making► Created RESTful APIs to facilitate data exchange between clinical trial sites and internal databases, ensuring data synchronization. Enhanced API performance with gRPC, reducing communication latency by 15%► Implemented MongoDB for handling large clinical datasets, optimizing queries for faster retrievals, and maintaining data integrity with replication. Used Elasticsearch for rapid searches, reducing lookup times by 30%► Secured access to clinical data using Spring Security and JWT, ensuring industry compliance and safeguarding sensitive information. Set up RBAC for managing user permissions, enhancing security control► Automated testing with JUnit, Mockito, and TestNG, improving service reliability. Conducted load testing with Apache JMeter, validating system performance under stress► Deployed applications on AWS Elastic Beanstalk, utilizing CloudWatch for monitoring and auto-scaling, adapting to workload fluctuations. Managed containerized deployments using OpenShift for better control over Kubernetes► Actively participated in Agile practices, joining daily stand-ups and sprint reviews, contributing to continuous system improvement
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Alex Bondar Skills

Jms Windows System Jsp Os X Sql Server Powerpoint Agile Waterfall Vim Db Unit Jquery Mongodb Concurrency Test Driven And Scrum Models Ubuntu 16 Jenkins Load Test Soap Excel Jax Ws J2ee Oracle Eclipse Cvs Outlook Html Netbeans Java Postgresql Xml Microsoft Word Bootstrap Spring Hibernate Beans Pl/sql Web Services Multi Threading Javascript Sublime Text Atom Css Sql Junit Jax Rs Servlets Jdbc Svn Mysql Intellij Idea

Alex Bondar Education Details

  • International Technological University (Itu)
    International Technological University (Itu)
    Computer Software Engineering
  • International Christian University - Kyiv
    International Christian University - Kyiv
    General

Frequently Asked Questions about Alex Bondar

What company does Alex Bondar work for?

Alex Bondar works for Cisco

What is Alex Bondar's role at the current company?

Alex Bondar's current role is Java Developer.

What is Alex Bondar's email address?

Alex Bondar's email address is ab****@****sco.com

What schools did Alex Bondar attend?

Alex Bondar attended International Technological University (Itu), International Christian University - Kyiv.

What skills is Alex Bondar known for?

Alex Bondar has skills like Jms, Windows System, Jsp, Os X, Sql Server, Powerpoint, Agile, Waterfall, Vim, Db Unit, Jquery, Mongodb.

Who are Alex Bondar's colleagues?

Alex Bondar's colleagues are Rodrigo Escalante, Johan Serrato Lanuza, Nick Crawford, Freek Nabben, Luis Maximiliano Castillo Sandoval, Sally Rock, Mateusz Stala.

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