Contact Information:
- Name: Sargisyan Davit
- Email: hi@davvi.io
- Location: Abu Dhabi, UAE
- LinkedIn: linkedin.com/in/dsargisyan
- GitHub: github.com/davvi
- Website: davvi.io
Profile
Innovative Senior Java & Go Developer with 10+ years of experience in high-load distributed systems, secure cloud-native applications, and DevOps automation. Proven track record in designing and delivering mission-critical solutions in governmental security, telecommunications, fintech, and e-commerce. Skilled in leading teams, optimizing architectures, and ensuring compliance with strict security standards.
Core Competencies
- Programming: Java, Go, Spring Boot, REST, Microservices, Quarkus, Micronaut
- Cloud & DevOps: AWS, Kubernetes, k3s, Docker, Helm, GitLab CI/CD, GitHub Actions, Jenkins, Linux, Ansible, Terraform
- Databases: SQL, NoSQL, PostgreSQL, MongoDB, Redis, Elasticsearch, Oracle
- Security: Encryption protocols, OAuth2, OpenID Connect, Keycloak, secure architecture design, compliance standards
- Tools & Methods: Jira, Confluence, Agile/Scrum, Prometheus, Grafana
- Domains: Governmental Security, Telecommunications, Fintech, E-commerce
- Languages: Russian (native), Armenian (native), English (upper-intermediate)
Professional Experience
Lead Java Developer
Ascalon, Abu Dhabi | Feb 2020 – Present
- Designed and implemented a digital forensics system with advanced encryption and containerized microservices (Java, Docker), ensuring compliance with governmental security standards.
- Delivered 15+ microservices with REST APIs, reducing latency by 30% and improving interoperability.
- Introduced SOLID principles and structured code reviews, cutting code-related incidents by 40%.
- Boosted system uptime by 25% via Linux resource optimization and high-availability strategies.
- Authored technical documentation, reducing onboarding time by 20%.
Lead Java Developer & DevOps Engineer
Menu Group UK LTD, Yerevan | Aug 2018 – Feb 2020
- Architected a high-load dispatching system, managing full development and deployment lifecycle.
- Built a GitLab CI/CD pipeline with automated testing, cutting deployment times by 50% and increasing coverage by 35%.
Senior Java Developer
LLC Vocalize, Moscow | Jul 2017 – Aug 2018
- Created an AI-powered virtual call center using Avaya VoIP gateway, boosting call automation efficiency.
- Led a 6-engineer agile team, improving delivery timelines and team productivity.
Middle Java Developer & DevOps
T-Solutions, Yerevan | Dec 2016 – Aug 2017
- Developed and deployed AWS-hosted telecom apps capable of handling high data volumes with low latency.
- Configured Asterisk VoIP gateway, enhancing call throughput for high-traffic environments.
Senior System Administrator
Beeline Armenia, Yerevan | Jul 2015 – Jan 2017
- Managed Switch Control systems, Oracle databases, and CRM, increasing reliability and performance.
Rewriter / SMM Specialist / Editor
Naked-Science Magazine, Yerevan | Aug 2012 – Feb 2015
- Led a science column, grew online readership, and boosted social media engagement.
Education
B.Sc. in Computer Science National University of Architecture and Construction, Yerevan | Graduated: 2016
Notable Projects
QResto
Multi-tenant B2B menu/payment platform for restaurants, coffee shops, and vending machines. Built using Go, Kubernetes, and cloud-native architecture with flexible CMS and secure payment integration.
AI Call Automation Platform
Telecom solution integrating NLP and VoIP, automating thousands of daily calls with high accuracy.