Contact Information:
- Email: dsargisyan@gmail.com
- Phone: +971547044663
- Location: Abu Dhabi, UAE
- LinkedIn: linkedin.com/in/davitsargisyan
- GitHub: github.com/davvi
- Website: davvi.io
Professional Summary
Seasoned Lead Java Developer with over 8 years of experience in developing and managing high-load telecommunication systems, large databases, and secure digital forensics solutions. Expertise in Java, Docker, CI/CD, and Linux. Proven track record of founding and architecting innovative IoT solutions and AI-based virtual call centers. Adept at leading teams, optimizing processes, and driving technical excellence.
Key Skills
- Programming Languages: Java, Go, C++
- Security: Digital Forensics, Secure System Design
- DevOps: Docker, CI/CD, Linux, AWS
- Databases: SQL, NoSQL, Oracle, Elasticsearch
- Networking: Network Protocols, VoIP (Avaya, Asterisk)
- Project Management: Stakeholder Engagement, Technical Documentation
Professional Experience
Lead Java Developer
Ascalon Technologies, Abu Dhabi | 02/2020 - Present
- Architected and developed a highly secure digital forensics system.
- Designed and implemented microservices for system integration.
- Managed CI/CD processes, ensuring efficient deployment on Linux infrastructure.
- Collaborated with stakeholders to align project goals and deliverables.
- Technologies: Java, Docker, Jenkins CI/CD, Linux, Microservices, Databases, Search Engines, Data Pipelines
- Key Achievements:
- Improved system security and stability by implementing modern solutions.
- Reduced system downtime by 40% through efficient CI/CD pipelines.
Lead Java Developer & DevOps Engineer
Menu Group UK LTD, Yerevan | 08/2018 - 02/2020
- Developed a high-load dispatching system, enhancing performance by 30%.
- Established and managed CI/CD pipelines using GitLab.
- Led the development and deployment processes, ensuring smooth operations.
- Technologies: Java, AWS, GitLab CI/CD, High-Load Systems, Linux, Databases
- Key Achievements:
- Reduced deployment and testing time by 50% through automation.
- Increased system stability with automated testing and moving to cloud solutions like AWS.
- Increased system scalability, handling peak increases in user traffic.
Senior Java Developer
LLC Vocalize, Moscow | 07/2017 - 08/2018
- Developed an AI-based virtual call center, reducing call handling time by 25%.
- Managed a team of 6 developers, overseeing project milestones and deliverables.
- Technologies: Java, AI, VoiceXML, Avaya
- Key Achievements:
- Successfully integrated AI, improving customer satisfaction by 30%.
- Led a team to deliver the project two months ahead of schedule.
Middle Java Developer & DevOps
T-Solutions, Yerevan | 12/2016 - 08/2017
- Deployed high-load telecommunications applications on AWS.
- Configured VoIP gateways using Asterisk.
- Technologies: Java, AWS, Asterisk
- Key Achievements:
- Optimized application performance, reducing latency by 20%.
- Enhanced system reliability with robust AWS configurations.
Outsource Java Developer
Self-Employed, Yerevan | 01/2015 - 08/2017
- Delivered custom software solutions for various clients, meeting all deadlines and specifications.
- Technologies: Java, Custom Software Development
- Key Achievements:
- Developed over 10 custom applications, all delivered on time.
- Maintained a 100% client satisfaction rate.
Senior System Administrator
Beeline Armenia, Yerevan | 07/2015 - 01/2017
- Administered switch control systems and managed Oracle databases.
- Technologies: Oracle, CRM, Billing System
- Key Achievements:
- Improved database performance through optimization techniques for update delivery.
- Successfully migrated legacy systems with zero downtime.
Rewriter, SMM Specialist, Project Manager, Editor
Naked-Science Magazine, Yerevan | 08/2012 - 02/2015
- Led a column, promoted social networks, and developed online communities.
- Technologies: Social Media Management
- Key Achievements:
- Increased social media engagement by 50%.
- Developed a successful content strategy, growing readership by 30%.
Education
Bachelor of Science in Computer Science National University of Architecture and Construction, Yerevan | Graduated: 10/2016
Certifications
- Certified Java Developer
- AWS Certified Solutions Architect
- Certified Kubernetes Administrator (CKA)
Languages
- Russian (Fluent)
- Armenian (Native)
- English (B2)
Professional Development
- Completed advanced courses in AI and Machine Learning.
- Attended workshops on secure coding practices.
Personal Projects
IoT Solution “4bit”:
- Founded and architected a full-cycle IoT solution using FreeRTOS, AWS Greengrass, and STM32 microcontrollers.
- Implemented graphic and ML acceleration, ensuring seamless operation.
Restaurant Menu and Payment Startup qresto.io:
- Founded and architected a full-cycle restaurant menu and payment management solution with advanced data analysis based on LLM.
- Full development, deployment, and testing implementation.
Personal Interests
- Enjoy reading SyFy and professional books.
- Passionate about running and maintaining an active lifestyle.
- Enjoy solving interesting tasks in LeetCode.