Анастасія

NASTIA SAIKOVSKA
Senior Backend Engineer
​ [open contact info](look above in the "contact info" section) ​ [open contact info](look above in the "contact info" section) ​ t.me/anastasiiasai ​ Kyiv, Ukraine

SUMMARY
Senior Backend Developer (Java/Spring) with 5+ years of experience in designing and scaling high-load distributed systems and data-intensive platforms.

Worked with high-load REST APIs and event-driven architecture focusing on system stability, performance, and data consistency.

Owned features end-to-end - from requirements and design to implementation and release. Proven track record of translating complex business requirements
into technical designs and owning features through the full SDLC.

Also have mentoring experience, supporting onboarding and knowledge sharing within the team. Confident English and experience working with USA teams
and product owners.

SKILLS
Technical Skills Backend
Java 8, Java 21, Kotlin, Spring Boot, Hibernate, JDBC

Databases
Snowflake, MySQL, AWS Redshift, Redis

Messaging & Cloud
RabbitMQ, AWS (S3, SQS, MediaConvert, Elastic Transcoder)

Automation & Data Extraction
Web harvesting & scraping (Facebook Ad Library), anti-bot bypass, OCR pipelines (ABBYY FineReader), PDF/text data extraction

Data Processing
ETL pipelines, batch processing, SQL optimization, overlap-based deduplication, Stage-table architecture

English
C1 (Advanced)

Ukrainian
Proficient

EXPERIENCE
Backend Software Engineer
RightAndAbove
12/2020 - 04/2026
• Business & Technical Alignment: Partnered with Product Managers during discovery and planning phases, translating product requirements into technical
solutions and delivering end-to-end features across backend services, background jobs, databases, and integrations.
• Full SDLC Ownership: Managed the complete lifecycle of software applications — from initial prototyping and design to deployment and post-release
support.
• System Reliability & Quality: Maintained high-load REST APIs (1000+ RPM) with a focus on data integrity and system reliability. Improved data processing
speed by five times and ensured system stability during traffic spikes through Redis-based buffering and architectural improvements.
• Integrated AWS media processing services (MediaConvert, Elastic Transcoder). Maintained an Intelligent Document Processing pipeline using ABBYY
FineReader OCR to convert unstructured PDF data into relational models.
• Legacy & Modernization: Experienced in navigating and improving complex legacy architectures, implementing event-driven solutions (RabbitMQ) and
Redis-based
• Data Modeling & Architecture: Designed and maintained reliable ETL pipelines (AWS S3 → Snowflake) and managed complex relational models.
• Front-End: Experience with Angular, TypeScript, AngularJS

EDUCATION
Java Enterprise Program
Hillel IT School
07/2020 - 11/2020
• Hillel Evo Synergy Project | 2020 as Capstone Project with Full Production Simulation