Дмитро

WORK EXPERIENCE

Junior Java Developer ☕ softserve
Company: Softserve
Duration: April 2023 – May 2024 (1 year)
Responsibilities:
Developed backend APIs, integrated third-party services, and optimized data
Dmytro pipelines.
Lysenko Built scalable infrastructure for personalization, analytics, and content
delivery for client.
Implemented AI-powered news generation with OpenAI API and a relevance
Backend Developer algorithm for personalized content.

Accomplishments:
✈ https://t.me/kkdjem
Developed and integrated AI-powered news generation with OpenAI API.
M [відкрити контакти](див. вище в блоці «контактна інформація»)
Created a relevance algorithm to boost content matching and engagement.
https://github.com/DmytroLysenk Deployed AI features as core product components.
⌥
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in Lysenko Dmytro
Go Backend Engineer Med App

Company: Med App — Health Domain
LANGUAGES
Duration: June 2024 – December 2024 (7 months)
English
Responsibilities:
Ukrainian
Designed and developed RESTful microservices in Go (Gin) for a healthcare
data platform serving clinics and insurance providers.
EDUCATION
Implemented secure patient data pipelines compliant with privacy
regulations, integrating with third-party EHR systems via HL7 FHIR APIs.
Interregional Academy of
Personnel Management Built an appointment scheduling service with conflict resolution logic and real-
(Faculty: Computer and time notifications using WebSockets.
Information Technologies and Developed a role-based access control (RBAC) system for managing
Design) permissions across medical staff, patients, and administrators.
Maintained observability across services with Prometheus metrics, Jaeger
SKILLS distributed tracing, and Grafana dashboards.

Accomplishments:
Programming Languages:
Reduced average API response time by 40% through query optimization and
GoLang, Java, SQL.
Redis caching layer implementation.
Web Frameworks: Gin, Spring.
Led migration of two core services from a monolithic architecture to
Databases: PostgreSQL,
independently deployable Go microservices.
Typesense, MongoDB.
Implemented automated integration test suite covering 80%+ of critical
Cloud & Infrastructures: AWS
health data flows.
(S3, Lambda), Docker.
Observability & Monitoring:
Prometheus, Jaeger, Grafana. Go Backend Engineer GENESIS | codefinity
Architecture: Microservices, Company: Genesis/Codefinity
RestAPI / OpenAPI. Duration: January 2025 – Present
CI / CD & DevOps: GitHub Actions.
Responsibilities:
Additional Skills: Python, Implemented automated email notification system for subscription-related
JavaScript, Node.js, TypeScript. events.
Architecture & Patterns: Worked on B2B product capabilities, including group subscriptions, license
Domain-Driven Design, management, and organizational billing, contributing to core business
Microservices architecture, REST API functionality.
/ OpenAPI, Dependency Injection Contributed to evolving system architecture from a monolith to a
(di-go, uber/fx). microservices-based approach.
Contributed to the development and improvement of payment processing
services, supporting core business operations.
Contributed to the integration of AI-powered solutions, driving product
evolution towards more intelligent, automated, and user-centric experiences.

Accomplishment:
Contributed to the development of revenue-generating B2B solutions,
accounting for up to 20% of total company revenue.
Drove the adoption of AI-powered capabilities within the product, enhancing
user experience through intelligent automation and content generation.
Designed and implemented internal tooling that streamlined operational
workflows and enhanced productivity across non-engineering teams.
Contributed to the development of a professional certification platform,
ensuring assessment integrity and strengthening trust for B2B customers.